JP2011018368A - Cad data display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily check a design result of a necessary part in designing a wooden house.SOLUTION: A function for displaying a plan view showing an arrangement state of a structural material of a specified layer on a display on the basis of CAD data is included. When a check part is specified in the plan view, a clipped box 10 of a cube around a specified point is generated. As to the structural material included in the clipped box 10, the structural material included in the clipped box 10 is three-dimensionally displayed as a solid model being cut on an outermost surface of the box 10, and metallic materials 21, 22 included in the box 10 are also three-dimensionally displayed in the solid model. The structural material outside the box 10 is displayed as a planar diagram in a specified layer surface, and is rotated, moved, expanded, and reduced.

Description

  The present invention relates to a support device for designing a frame structure of a wooden house, and more particularly to a support device and a support program for creating precut processing data.

  Conventionally, various CAD apparatuses for residential construction have been proposed.

  For example, when creating a floor plan, the computer inputs two points on both ends of the beam on the computer screen to create image data for the beam, and an image representing the beam is displayed on the screen based on this image data. There has been proposed a CAD apparatus that can be used (Patent Document 1).

  In addition, in connection with hardware construction methods that have been increasingly adopted in recent years, a design computer is provided with a storage unit for storing basic information such as hardware construction manuals, and is generated by the design computer. There has also been proposed a CAD device that performs calculations related to hardware based on the design information of the building, selects the hardware, and determines the mounting position (Patent Document 2). According to this proposed apparatus, it is supposed that a hardware mounting layout diagram and a hardware mounting diagram can be output.

  Furthermore, a technique for automatically creating a perspective view, an elevation view, and a sectional view by recognizing members such as columns and walls from plan view data created by CAD or the like has been proposed (Patent Document 3). ).

In addition, even if any one of the 3D model of the member and the process procedure is changed, the change can be reflected in the 3D display of the construction status without adding a change to the other, A construction plan support system that can perform an efficient construction plan has also been proposed (Patent Document 4).
JP-A-11-85814 (Summary) JP 2002-242431 (Abstract, FIGS. 5 and 6) Japanese Patent Application Laid-Open No. 2002-242431 (Summary, FIG. 10, FIG. 11, FIG. 15 to FIG. 20) JP 2001-249985 (Abstract, FIG. 2, FIGS. 7 to 20)

  According to the techniques proposed in Patent Documents 1 and 2, the design work of precut processing data can be greatly improved. However, for example, there is a problem that it may not be possible to easily determine whether or not the design of the joint / joint portion is correctly performed only with the hardware mounting layout diagram and the hardware mounting diagram output by Patent Document 2.

  The three-dimensional display such as the perspective proposed by Patent Documents 3 and 4 is effective information for the designer. However, even if it is suitable for grasping the arrangement density of the whole structural material, etc., when the check is performed by specifying the connection part between the structural materials, the display is complicated and the work such as the check is performed. There is a problem that it is difficult.

  Accordingly, an object of the present invention is to make it possible to easily check a design result of a necessary part in designing a wooden house.

  In order to achieve the above object, a CAD data display device of the present invention comprises CAD data storage means for storing arrangement information of a structural material designed by CAD for designing the arrangement of the structural material of a house, and a display screen. A hierarchy designating unit for designating a level of a house to be displayed on the floor, and a plan view display unit for reading out the arrangement information of the structural material of the hierarchy designated by the hierarchy designating unit from the storage unit and displaying it as a plan view. The following structure is also provided.

  (1-1) A range designating unit for designating a range to be stereoscopically displayed in the plan view displayed by the plan view displaying unit is provided.

  (1-2) Provided with a structural material specifying means for specifying a structural material included in a range designated by the range designating means in the plan view displayed by the plan view displaying means.

  (1-3) The structural material specified by the structural material specifying means is provided with a cut surface calculating means for calculating information on a cut surface that should appear on the outermost surface of the range specified by the range specifying means.

  (1-4) For the structural material specified by the structural material specifying means, based on the structural material arrangement information stored in the CAD data storage means and the cut surface information calculated by the cut surface calculation means. The structural material within the range designated by the range designating means is displayed as a three-dimensional image, and the structural material outside the range is displayed as a planar image on the hierarchical surface designated by the hierarchical designating means. 3D image display means is provided.

  (1-5) Provided with an edit display means for displaying at least an image in a rotated, enlarged or reduced state for the image displayed by the three-dimensional image display means.

  According to the CAD data display device of the present invention adopting the configuration of (1-1) to (1-5) above, a part of the structure of a house constituted by a large number of horizontal members, column members, etc. It can be designated by the designation means, and a stereoscopic display can be made only within the range. Here, some of the architectural CADs can be switched between two-dimensional display such as a plan view and an elevation view and three-dimensional display such as a perspective view, or can be displayed in a separate window (Patent Document 3, etc.). . However, in such a conventional apparatus, when a three-dimensional image is displayed, the entire structure of the building is displayed in a three-dimensional display, so that it is difficult for the operator to grasp the part that the operator is trying to pay attention to. On the other hand, according to the CAD data display device of the present invention, only the range designated by the operator to be focused is set as a stereoscopic image, and the portion outside the range is left as a planar image, thereby The effect and the effect that it is easy to grasp are exhibited.

  That is, according to the present invention, when a three-dimensional image is displayed, whether or not the operator has correctly specified the location that the user is interested in depends on the positional relationship with the other two-dimensional display image. From this, it becomes immediately clear. Then, once the point of interest can be correctly identified, the edit display means can be operated to rotate, enlarge, reduce, etc., and confirm the structure of the point of interest. In the present invention, the structural material mainly refers to a material related to a framework such as a horizontal member and a column member, but a panel such as a wall member may also be included in the structural material.

  Here, the CAD data display device of the present invention may further include the following configuration.

  (2-1) The CAD data storage means also stores information related to joints and joints between structural materials.

  (2-2) The three-dimensional image display means reads out information relating to joints and joints that should be present within the range designated by the range designation means from the stored contents of the CAD data storage means, and creates a stereoscopic image. As well as joint and joint image display means.

  By providing the configurations of (2-1) and (2-2) in this way, for example, the joint hardware (beam support, hozo pipe, drift pin, etc.) specified when designing with a CAD apparatus in the hardware method is used. It is possible to easily confirm whether or not the position and type are appropriate. Of course, in the same way for joints and joints (such as dovetails and hoses) and auxiliary hardware (such as battledore bolts, bracing box hardware, hole-down hardware, etc.) in conventional construction methods, the appropriateness of selection etc. should be confirmed using the above functions. Can do.

  The “(2-2) joint / joint image display means” may be configured as follows.

  (3-1) For the joint / joint image display means, the joint / joint existing within the range is not cut at the outermost surface of the range, and the joint / joint image display means is provided for the structural material provided with the joint / joint. It is configured as means for displaying a three-dimensional image of a portion protruding from the cut surface of the image.

  In other words, for joints and joints, it is not necessary to cut the outermost surface of the specified range as in the case of structural materials, but to easily determine the type etc. by displaying the portion protruding from the outermost surface in three dimensions. Because you can.

  Further, the CAD data display device of the present invention can further include any one or both of the following configurations (4-1) and (4-2) and (5-1) and (5-2). .

  (4-1) A joint / joint moving means for designating the joint / joint displayed by the three-dimensional image display means and moving the joint / joint in the three-dimensional screen is provided.

  (4-2) For the joint / joint moved by the joint / joint moving means, a joint / joint position updating means for rewriting the stored contents of the CAD data storage means based on the position coordinates after the movement is provided. Being.

  (5-1) A joint / joint type changing means for specifying the joint / joint displayed by the three-dimensional image display means and changing the joint / joint type is provided.

  (5-2) A joint / joint whose type has been changed by the joint / joint type changing means, and the contents stored in the CAD data storage means are rewritten to the changed type of joint / joint. Provide type update means.

  As a result of checking the point of interest using the function of the present invention by providing the above configuration, it is better to move the joint / joint or to change the type of joint / joint CAD data can be easily rewritten by visual operation.

  Similarly, a CAD data display device of the present invention, which has been made to achieve the above object, includes CAD data storage means for storing arrangement information of a structural material designed by CAD for designing the arrangement of the structural material of a house, and a display. A hierarchy designating unit for designating a level of a house to be displayed on the screen, and a plan view display unit for reading out the arrangement information of the structural material of the hierarchy designated by the hierarchy designating unit from the storage unit and displaying it as a plan view, Furthermore, it is characterized by having the following configuration.

  (6-1) A range designating unit for designating a range to be stereoscopically displayed in the plan view displayed by the plan view displaying unit is provided.

  (6-2) In the plan view displayed by the plan view display means, structural material specifying means for specifying a structural material included in the range specified by the range specifying means is provided.

  (6-3) A cutting plane calculation unit that calculates information on a cutting plane that should appear on the outermost surface of the range specified by the range specification unit for the structural material specified by the structural material specification unit.

  (6-4) Based on the structural material arrangement information stored in the CAD data storage means and the cut surface information calculated by the cut surface calculation means for the structural material specified by the structural material specifying means. 3D image display means for displaying a structural material within the range designated by the range designation means as a three-dimensional 3D image in a 3D display area provided separately from the display area of the plan view display means Being.

  (6-5) Provided with an edit display means for displaying at least an image in a rotated, enlarged or reduced state for the image displayed by the three-dimensional image display means.

  (6-6) The plan view display means is configured as means for displaying the range designated by the range designating means so as to overlap the plan view.

  The CAD data display device of the present invention adopting the above-described configurations (6-1) to (6-6) displays two-dimensional display and three-dimensional display in separate windows, but is displayed three-dimensionally. Is not the entire two-dimensional plan view, but only the range specified by the range specifying means. Therefore, it is not a complicated display such as a perspective view display in a conventional architectural CAD such as Patent Document 3, and a point of interest can be easily grasped. On the other hand, although only a part is three-dimensionally displayed in this way, since the configuration (6-6) is provided, the designated range can be easily grasped in the two-dimensional display. Therefore, even when a telephone or the like enters during the work and the operator interrupts the work, there is no possibility that the user is not sure where to check when returning to the work.

  These CAD data display devices of the present invention may further have the following configuration.

  (7-1) The range in the vertical direction of the range specified by the range specifying unit is changed, and the structural material is changed with respect to each of the structural material specifying unit, the cutting plane calculating unit, and the three-dimensional image display unit. Vertical direction range changing means for executing update processing of a specified result, a calculation result of the cut surface, and a three-dimensional image displayed in the three-dimensional display area;

  By including the configuration of (7-1), it is possible to change the vertical display range of the three-dimensional image that is cut out and displayed. By providing such a function, the range to be checked can be expanded or reduced upward, downward, or both vertically.

  When this (7-1) configuration is also provided, the following configuration may also be provided.

  (8-1) The vertical direction range changing means is configured as means for extending the vertical range to one level higher or lower than the level specified by the level specifying means.

  By including the configuration of (8-1), it is possible to expand the check range of the structural material or the like up to one level below or one level below the level to be checked.

  Here, the CAD data display device of the present invention having the configurations (6-1) to (6-6) may further include the following configurations.

  (9-1) The three-dimensional image display means displays the display as the three-dimensional image as a solid model display mode in which a line on the back side is invisible and a skeleton model in which the line on the back side is also visible. It must have a skeleton model display mode.

  (9-2) A display mode switching unit that instructs the three-dimensional image display unit to select between the solid model display mode and the skeleton model display mode.

  By including the configurations of (9-1) and (9-2), it is possible to switch between solid model display and skeleton model display. Even when switching to the skeleton model display, since only a part is displayed as a three-dimensional image, lines other than the part to be confirmed are not displayed, and the display is not complicated and difficult to see. On the other hand, by displaying the skeleton model, it is possible to roughly confirm before viewing from the back side, so that it is possible for an operator who is somewhat skilled to omit an image rotation operation for viewing from the back side.

  Here, it is preferable to further include the following configuration.

  (10-1) Provided with a specific structural material non-displaying means for specifying a structural material from the three-dimensional image displayed by the three-dimensional image display means and for making the specified structural material non-displayed. Being.

  Furthermore, the following configuration may be provided.

  (11-1) Information in which the CAD data storage means specifies the mounting position and type of hardware (joint hardware in the hardware construction method or auxiliary hardware in the conventional construction method; the same shall apply hereinafter) as information relating to joints and joints. Remember that.

  (11-2) Provided with hardware data storage means for storing hardware data corresponding to the types and dimensions / shapes of hardware that can be employed as joints and joints when designing a house using the CAD That.

  (11-3) The three-dimensional image display means reads out the hardware to be present within the range designated by the range designation means from the storage contents of the CAD data storage means, and displays the solid model display mode and the skeleton model display. Hardware display means for displaying as a solid model image in any mode is provided.

  (11-4) Provided with a specific hardware non-displaying means for specifying a joint metal from the 3D image displayed by the 3D image display means and making the specified hardware in a non-display state. .

  By providing these configurations as well, it is possible to check the state of the back side while hiding the structural material on the front surface, or to check the state of the ridge hole of the ridge and the like while hiding the hardware. Such confirmation of the back side may be difficult only by processing such as rotation, but the back side can be easily confirmed by specifying a structural material or hardware and hiding it.

  Further, the CAD data display device of the present invention can further include the following configurations (17-1) and (17-2).

  (17-1) Provided with a structural material size changing means for designating the structural material displayed by the three-dimensional image display means and changing the dimensions of the structural material.

  (17-2) A structural material size updating unit that rewrites the storage contents of the CAD data storage unit to the changed size of the structural material whose size has been changed by the structural material size changing unit.

  By providing the above configuration, when it is better to change the dimensions of the structural material as a result of checking the point of interest using the function of the present invention, it is possible to easily rewrite the CAD data.

  According to the present invention, when designing a wooden house, it is possible to easily check a design result of a necessary part.

  Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the precut processing data creation support device 1 of the first embodiment includes a personal computer 3 including a hard disk 2 in which a CAD / CAM data creation program is installed, a display 4, a keyboard 5, and a mouse 6. A CD-ROM drive 7, an FD drive 8, and a printer 9. The hard disk 2 is installed with a CAD / CAM data creation program and various information necessary for executing this program.

  The hard disk 2 stores the CAD / CAM data creation program disclosed in the embodiments of JP-A-2005-165906, JP-A-2005-165907, JP-A-2005-165908, JP-A-2005-165909, and JP-A-2005-165918 and the program. Various information to be executed is installed.

  By executing this CAD / CAM data creation program, the floor plan is determined on the display 4 as shown in FIG. 2, and the layout of horizontal members and pillars at each level is shown as shown in FIG. You can create a sketch.

  In the present embodiment, a database of the joint hardware in the hardware construction method and the auxiliary hardware in the conventional construction method is also installed in the hard disk 2. In this hardware database, the type and model number of hardware and data relating to the shape and dimensions thereof are stored. After determining the arrangement of the horizontal member and the column member, the designer determines the type and model number of the hardware between the structural members, and inputs them as joint / joint data.

  Thereby, the arrangement of the structural material and the determination of the hardware are performed by the CAD function, and the result is stored in the storage area of the hard disk 2 as CAD data.

  This CAD data consists of the name of the structural material constituting the house, the type of structural material, the three-dimensional position coordinates at both ends, the type of processing at the end, the type of hardware, the model number and the three-dimensional position coordinates, and is stored in the hard disk 2 Is done.

  After designing using the CAD function as described above, as shown in FIG. 4, when specifying the hierarchy to be checked and displaying the sketch, and specifying the center point of the location to be checked, the clipping box 10 is displayed. appear. In the present embodiment, a cube having a predetermined size centered on a point designated by the operator is employed as the cutout box 10. Note that the dimensions of the cube can be arbitrarily changed from the default values.

  Thereafter, the three-dimensional display engine provided in the CAD program is operated, and as shown in FIG. 5, the structural material included in the cutout box 10 is displayed as a three-dimensional image, and the structure outside the cutout box 10 is displayed. The material is displayed as a planar image on the hierarchical level. However, this planar image also simply ignores the volume in the height direction in the present embodiment, and the data itself is based on three-dimensional coordinate data.

  FIG. 5 shows a state in which the image has already been rotated. For the structural material of the portion included in the cutout box 10 in the designated hierarchy, a solid tertiary having the outermost surface of the cutout box 10 as a cut surface. The original image is displayed, and the other parts are displayed as a planar image in which the position coordinates after rotation are determined based on the position coordinates of the height of the hierarchical surface.

  Then, when enlargement is instructed by the function of the three-dimensional display engine, the range of the cutout box 10 can be enlarged and confirmed as shown in FIG. As shown in the figure, the hardware 21 and 22 existing within the range of the cutout box 10 is displayed as an image of a three-dimensional shape at the attachment position to the structural material. At this time, as shown in the figure, only the portion of the hardware 22 provided on the end of the wooden shell that protrudes from the cut surface of the structural material is displayed. As hardware data, there is information on the entire shape, but the part embedded in the structural material is hidden by displaying the solid model of the structural material on the front. Further, although the portion displayed in FIG. 6 is originally located outside the cutout box 10, the hardware 22 is displayed without being cut at the outermost surface of the cutout box 10 like a structural material.

  Next, the contents of the display program for achieving the above functions will be described based on the flowcharts of FIGS. This display program is activated in a state where the structural design of the house is completed by the CAD device, and requests the designation of the house to be displayed (S10). In response to this request, when the operator designates a house (S10: YES), the operator subsequently requests designation of a hierarchy to be displayed (S20). In response to this request, when the operator designates a hierarchy to be displayed (S20: YES), the display target hierarchy data of the display target house is read from the CAD data storage area of the hard disk 2 (S30), The arrangement of the structural members in the hierarchy is displayed as a plan view (S40). FIG. 3 shown above is a state in which a floor plan is displayed by designating the second floor of a certain house.

  In this state, the display program waits for the operator to specify a location to be stereoscopically displayed (S50). When the operator operates the mouse 6 to specify a 3D display by designating a point on the screen, for example, as shown in FIG. 4, a clipping box centered on the position coordinate of the point designated by the mouse 6 The position coordinates of the eight corners are calculated (S60), and the structural material included in the cutout box 10 is specified based on the calculation result (S70).

  Here, “included in the cutout box 10” means both of all included and partially included. When the structural material included in the cutout box 10 is specified in this way, a structural material that intersects the outermost surface of the cutout box 10 is further specified (S80).

  Here, although a plan view is displayed on the screen as shown in FIG. 3, in the data reading of S30, for example, for the pillar extending upward from the second floor, the position coordinate of the upper end is also included as data. It has been read. Therefore, in the process of S80, not only the horizontal member but also the pillar material is specified as a structural material that intersects the outermost surface of the cutout box 10. In addition, in the processes of S70 and S80, structural materials other than the horizontal members and column members displayed in the plan view of FIG. 3 are also determined. For example, when the cutout box 10 is specified to include a window, if the window stand located above the displayed hierarchy is included in the cutout box 10 as a part, it is specified as the included structural material. In the case of intersecting with the cutout box 10, the structure material is also identified as intersecting.

  Next, the position coordinate of the cut surface cut | disconnected by the said crossing surface is calculated about what was specified as a structural material which cross | intersects the outermost surface of the cutout box 10 (S90). Subsequently, for all the structural materials specified in S80, those that do not intersect with the outermost surface of the cutout box 10 are solid models of the CAD data as they are, and for the structural materials for which the position coordinates of the cut surface are calculated, 3D image data is generated as a solid model with the end of (S100).

  Subsequently, the hardware included in the cutout box 10 is specified (S110). The identification of the hardware is also performed based on the CAD data of the house designated as the display target. That is, in the state where the design by CAD is completed, the attachment position, the attachment direction, and the like of the hardware can be specified as coordinate data.

  When the hardware contained in the cutout box 10 is specified in this way, solid model stereoscopic image data is also generated for these (S120). Then, the stereoscopic image data of the hardware and the stereoscopic image data of the structural material generated earlier are displayed on the display 4 (S130). At this time, when the coordinates of the three-dimensional image of the structural material and the hardware overlap, the display is performed so that the structural material is on the front side. Therefore, only the portion protruding from the end of the hardware provided at the end of the structural material is displayed as an image. And even if it exists in the cutout box 10, the hardware which will be in the state embedded by the inside of a structural material and a structural material is not displayed.

  Even if the stereoscopic image is displayed in this way, if the operator does not instruct rotation, the display state is not much different from the plan view as shown in FIG. However, when the operator instructs rotation by operating the mouse (S140 → S150), the stereoscopic image is rotated by the commanded angle in the commanded direction by the function of the 3D display engine (S160). At this time, the image included in the cutout box 10 is rotated and displayed as a solid image of the solid model, and the structural material of the display target layer located outside the cutout box 10 is rotated and displayed as it is in a plan view. (See FIG. 5). 3 and 4 can be seen as plan views, but since there is actually height data up to the hierarchical surface in the CAD data, Saturn's ring when the cutout box 10 is considered as Saturn. It is displayed as rotated.

  When the operator commands movement by mouse operation (S140 → S152), the image is moved by the commanded amount in the commanded direction (S162). Further, when the operator commands enlargement by mouse operation (S140 → S154), the image is enlarged based on the commanded enlargement ratio (S164), and conversely, when reduction is commanded (S140 → S156), The image is reduced based on the commanded reduction rate (S166). These are functions generally known as a three-dimensional display engine. The difference from a general three-dimensional engine is that only the inside of the cutout box is displayed as a solid model, and the outside of the cutout box is displayed as a diagram of a specified hierarchical surface. By taking such a display mode, as shown in FIG. 5, it is possible to easily confirm that the check location is correctly specified. In particular, as shown in FIG. There is no confusion when displaying.

  Further, when the operator gives an instruction for hardware editing by operating the mouse through operations such as rotation, movement, enlargement, and reduction (S170), the hardware editing routine is started (S200).

  In the hardware editing routine, the operator waits for the hardware to be designated (S210), and if a hardware is designated by an operation such as a mouse click (S210: YES), then whether movement is commanded for the hardware designated by the mouse drag, Alternatively, it is determined whether or not a change of hardware is instructed by right-clicking the mouse (S220, S230).

  When the movement of the hardware is commanded (S220: YES), the designated hardware image is moved based on the drag direction and drag amount of the mouse (S240). When the position determination is instructed (S250: YES), the mounting position information of the hardware in the CAD data is updated based on the new coordinate data after the movement (S260).

  When a change of hardware is instructed (S230: YES), a hardware list that can be selected as the same kind of hardware as the specified hardware is displayed (S270). At this time, the current hardware column is displayed in an easy-to-understand manner by blinking, a different color display, or the like. Then, it waits for the operator to select a hardware from the hardware list (S280). When the selection is made, the hardware list is deleted and returned to the state of the stereoscopic image display (S290), and the newly selected hardware data is displayed. The hardware image is changed based on (S300). When the determination is instructed (S310: YES), the type of hardware at the mounting position in the CAD data is updated to the newly selected one (S320).

  In addition, when the change of the display to another hierarchy is instructed, the process returns to S30 (S330), when the change of the check point is instructed, the process returns to S60 (S340), and when the change of the house is instructed, S20. Return to (S350). When termination is instructed, this program is terminated (S360).

  As described above, according to this embodiment, a part of the structure of a house constituted by a large number of horizontal members and pillars is three-dimensional only within a predetermined range centered on a specified point. It can be a display. In addition, at this time, instead of switching the screen or displaying it in a separate window, on the same screen, the solid model is used only within the specified range, and the thickness in the height direction is ignored outside the range. It is easy to figure out the point of interest.

  That is, when a three-dimensional image is displayed, it can be immediately determined from the positional relationship with other portions of the two-dimensional display image whether or not the operator has correctly specified the location that the operator is interested in. Then, if the point of interest can be correctly identified, then the structure of the point of interest can be confirmed by performing rotation, movement, enlargement, reduction, etc.

  At this time, it can be easily confirmed whether or not the position and type of the hardware are appropriate. In particular, the structural material is displayed at the intersection with the cutout box 10 for easy viewing, while the hardware is displayed without being cut at the intersection with the cutout box 10. By changing the display method, it is easy to check joints and joints.

  Furthermore, if it is better to move the joint / joint as a result of checking the point of interest, or if it is better to change the type of joint / joint, it is easy to rewrite the CAD data by visual operation. Can be executed.

  Next, a second embodiment will be described. As shown in FIG. 11, the precut processing data creation support device 31 of the second embodiment includes a personal computer 33 including a hard disk 32 in which a CAD / CAM data creation program is installed, a display 34, a keyboard 35, and a mouse 36. A CD-ROM drive 37, an FD drive 38, and a printer 39. The hard disk 32 is installed with a CAD / CAM data creation program and various information necessary for executing the program.

  The hard disk 32 stores the CAD / CAM data creation program disclosed in the embodiments of JP-A-2005-165906, JP-A-2005-165907, JP-A-2005-165908, JP-A-2005-165909, and JP-A-2005-165918 and the program. Various information to be executed is installed.

  By executing this CAD / CAM data creation program, as described in the first embodiment, the floor plan is determined on the display 34 as shown in FIGS. A sketch showing the arrangement of pillars and the like can be created.

  In the present embodiment, a database of the joint hardware in the hardware construction method and the sub hardware in the conventional construction method is also installed in the hard disk 22. In this hardware database, the type and model number of hardware and data relating to the shape and dimensions thereof are stored. After determining the arrangement of the horizontal member and the column member, the designer determines the type and model number of the hardware between the structural members, and inputs them as joint / joint data.

  Thereby, the arrangement of the structural material and the determination of the hardware are performed by the CAD function, and the result is stored in the storage area of the hard disk 32 as CAD data.

  This CAD data consists of the name of the structural material constituting the house, the type of structural material, the three-dimensional position coordinates at both ends, the type of processing at the end, the type of hardware, the model number, and the three-dimensional position coordinates, and is stored in the hard disk 32. Is done.

  First, the viewer function realized by this embodiment will be described together with its display screen. After determining the arrangement of structural members and the type of hardware used for joints and joints, model number, etc. using the CAD function, specify the design data of the house for which the design has been completed, and specify the level to be checked Start the viewer program.

  Then, a viewer screen 40 as shown in FIG. 12 is opened. This viewer screen 40 displays a three-dimensional image in a map window 41 in which a map of the hierarchy to be checked is displayed as a two-dimensional image in the region of about 1/3 on the left side, and a region of about 2/3 on the right side thereof. A three-dimensional display window 42.

  In the sketch map display window 41 of the viewer screen 40, as shown in FIG. Then, the 3D display engine is activated, and a 3D image corresponding to the cutout range 43 is displayed in the right 3D display window 42. At this time, the cutout box is calculated by the arithmetic processing. This cutout box is calculated as a rectangular parallelepiped region having the cutout range 43 specified by the operator as the center position in the height direction. The value in the height direction that determines the rectangular parallelepiped region is set as a default value.

  The three-dimensional display engine displays the structural material and the hardware included in the rectangular parallelepiped (cutout box) determined by designating the cutout range 43 as a three-dimensional solid model image. The viewer screen 40 in FIG. 13 shows a state immediately after the cutout range 43 is determined, and the part cut out as a three-dimensional image is a plan view.

  Since the image display in the three-dimensional display window 42 is managed by the three-dimensional display engine, as shown in FIG. 14, the image can be rotated to a perspective view. Although not shown, various editing displays such as changing the display state when the image is enlarged by vertical movement within the screen can be executed as well as enlargement / reduction.

  An up arrow mark 44 shown in the three-dimensional display window 42 of the viewer screen 40 is a button for activating a function for expanding a cutout box for specifying an image currently being displayed to the next higher level. It is. Similarly, a down arrow mark 45 shown in the three-dimensional display window 42 of the viewer screen 40 is a button for activating a function for expanding a cutout box that specifies the currently displayed image to the next lower level. It is. Further, the “transparent” mark 46 shown in the three-dimensional display window 42 of the viewer screen 40 is a button for starting a program for switching the currently displayed image from the solid model display to the skeleton model display. is there.

  When the up arrow mark 44 is clicked from the state of FIG. 14, as shown in FIG. 15, as a result of extending the vertical range of the clipping box upward by the height to the level one level higher, a three-dimensional image is obtained. It is cut out and displayed.

  On the other hand, when the down arrow mark 45 is clicked from the state of FIG. 14, as shown in FIG. 16, the vertical range of the cutout box is expanded downward by the height up to the next lower level. The image is cut out and displayed.

  In addition, when the “transparent” mark 46 is clicked from the state of FIG. 14, the back-side line that is hidden in the solid model display is also displayed as shown in FIG. At this time, as it is understood that the line is on the back side, the surface when displayed as a solid model is left in a colored state, and the back side line can be seen through the back side of this surface. I have to.

  In addition, when any structural material is designated and clicked in the skeleton display of FIG. 17, the color of the designated structural material 51 is changed as shown in FIG. When a structural material is designated and double-clicked, the display is changed to a state in which the structural material has disappeared, as shown in FIG. As a result, the hardware attached so as to penetrate the inside of the structural material is in a state of being seen as the front screen. As a result, when the three-dimensional image is rotated in the display state of FIG. 19, as shown in FIG. 20, it is possible to make the state that the hollows into which the hardware and the structural material erased from the display fit can be clearly seen. When the hardware 52 is designated and double-clicked in the state shown in FIG. 20, the hardware can be changed to a non-display state. As a result, as shown in FIG. 21, the above-mentioned relief hole can be confirmed firmly. It should be noted that the structural materials and hardware disappeared from the display are retained as data, and are only excluded from the display target by the three-dimensional display engine.

  In the present embodiment, as shown in FIG. 22, in the hierarchy with the roof, the roof inclined surface 53 and the ceiling surface 54 of the back of the hut including the designated range are displayed in a diagram. This is to confirm that the structural members are correctly arranged with respect to the direction of the inclination of the roof, to confirm the fit of the hut, or to facilitate the slewing.

  FIG. 23 shows a state in which the three-dimensional display screen cut out by designating a range around the dormer on the roof layer is rotated and enlarged. By displaying the above-described inclined surface and ceiling surface of the roof, it is not possible to know where the roof surface is even if the rotation operation is repeated.

  Here, in the present embodiment, it is considered that the portion that needs to be checked for the structure of the roof is often around a corner tree or a dormer as shown in the enlarged view display window 41 in FIG. As indicated by a circle in the figure, the roof structure display designation position 47 is shown in advance at the end of the dormer or corner tree in order to facilitate the range designation. However, when it is desired to check not only the peripheral part of these dormers and the like, the same function as in the case of checking in other layers can be exhibited by specifying an arbitrary rectangular area 48 as shown in FIG. It is like.

  In this embodiment, an interference check function is further added. As shown in FIG. 26, this interference check function is a function for checking whether or not the items checked in the hardware and structural member name list 61 interfere with each other. Although the check target can be set arbitrarily, the default is set to check interference between all hardware and between the hardware and the structural member.

  FIG. 27 shows a state where a location where interference occurs is checked using this interference check function. In the three-dimensional display window, the parts 62 and 63 causing interference are displayed in different colors from other members.

  Next, the contents of the program installed to achieve the above functions will be described. When this program is started in a state where the structural design of the house is completed by the CAD device, first, as shown in FIG. 28, a request for designation of a house to be displayed is made (S510). In response to this request, if the operator designates a house to be displayed (S510: YES), then it requests to designate a hierarchy to be displayed (S520). In response to this request, when the operator designates a hierarchy to be displayed (S520: YES), the designated hierarchy data of the designated house is read from the CAD data storage area of the hard disk 32 (S530), The arrangement of the structural members in the hierarchy is displayed as a plan view (plan view) (S540).

  In this state, the display program waits for the operator to specify a location to be stereoscopically displayed (S550). The operator operates the mouse 36 and designates a rectangular cutout range on the screen as illustrated in the map display window 41 of FIG. Then, the position coordinates of the four corners of the rectangle designated as the cutout range are calculated (S560). Then, for each of the position coordinates of these four points, the position coordinates of the upper four points obtained by adding a predetermined value to the position coordinates in the height direction and the position coordinates of the lower four points obtained by subtracting the predetermined value are calculated ( S565). The rectangular parallelepiped identified by the position coordinates of the total of the upper 4 points and the lower 4 points calculated in this way is used as a cutout box, and the structural material included in the cutout box is specified (S570).

  Here, “included in the cutout box” means both of all included and partially included. When the structural material included in the cutout box is specified in this way, a structural material that intersects the outermost surface of the cutout box is further specified (S580).

  The calculation processes of S570 and S580 are the same as the calculation processes of S70 and S80 of the first embodiment.

  Next, with respect to what is specified as the structural material that intersects the outermost surface of the cutout box, the position coordinates of the cut surface cut by the intersected surface are calculated (S590). Subsequently, for all the structural materials specified in S580, those that do not intersect with the outermost surface of the cut-out box are solid models with the CAD data as they are, and for the structural materials for which the position coordinates of the cut surface are calculated, Stereoscopic image data is generated as a solid model as an end (S600).

  Subsequently, the hardware contained in the cutout box is specified (S610). The identification of the hardware is also performed based on the CAD data of the house designated as the display target. That is, in the state where the design by CAD is completed, the attachment position, the attachment direction, and the like of the hardware can be specified as coordinate data.

  If the hardware contained in the cutout box is specified in this way, solid model stereoscopic image data is also generated for these (S620). Then, the stereoscopic image data of the hardware and the stereoscopic image data of the structural material generated previously are displayed on the three-dimensional display window 42 of the display 34 (S630). At this time, when the coordinates of the three-dimensional image of the structural material and the hardware overlap, the display is performed so that the structural material is on the front side. Therefore, only the portion protruding from the end of the hardware provided at the end of the structural material is displayed as an image. And even if it exists in a cutout box, the hardware which will be in the state embedded at the inside of a structural material and a structural material is not displayed.

  Even when the stereoscopic image is displayed in this way, if the operator does not instruct to rotate, as shown in the three-dimensional display window 42 in FIG. It looks just like is displayed. However, when the operator instructs rotation by operating the mouse (S640 → S650), the stereoscopic image is rotated by the commanded angle in the commanded direction by the function of the 3D display engine (S660).

  As shown in FIG. 29, when the operator commands movement by mouse operation (S640 → S652), the image is moved by the commanded amount in the commanded direction (S662). Further, when the operator commands enlargement by mouse operation (S640 → S654), the image is enlarged based on the commanded enlargement ratio (S664), and conversely, when reduction is commanded (S640 → S656), The image is reduced based on the commanded reduction rate (S666). These are functions generally known as a three-dimensional display engine. The difference from a general three-dimensional engine is that only the inside of the clipping box is displayed as a solid model. In addition, on the left side of the three-dimensional display window, a plan view display window 41 displays a range in which clipping is specified with a rectangular frame. Therefore, for example, even when the work is interrupted, it is easy to see which structure is currently displayed in the three-dimensional display window for checking by looking at the sketch display window 41. Understandable.

  Further, by clicking the up arrow mark 44 shown in the three-dimensional display window 42 (S640 → S657), an up-scaling routine (S700) for displaying the structural material being displayed up to one level above is displayed. It is activated. In addition, by clicking the down arrow mark 45 shown in the three-dimensional display window 42 (S640 → S658), a down-stretching routine (S800) for displaying the currently displayed structural material to the next lower layer is performed. It is activated. Further, by clicking the “transparent” mark 46 shown in the three-dimensional display window 42 (S640 → S659), a display switching routine (S640 → S659) for switching the currently displayed image between the solid model display and the skeleton model display ( S900) is activated.

  In the up-scaling routine, as shown in FIG. 30, the top surface is the result of adding the height between the hierarchies to the position coordinates of the upper four points among the position coordinates of the eight points of the cutout box determined in S565. The cut box is changed (S710). Then, similarly to S570 to S600, the structural material included in the cutout box after this change is specified, and for the structural material that intersects with the outermost surface of the cutout box, the position coordinates of the cut surface are calculated, and the outermost of the cutout box is calculated. Three-dimensional image data is generated as a solid model that does not intersect with the outer surface as a solid model of CAD data as it is, and for a structural material for which the position coordinates of one cut surface are calculated, as a solid model with the cut surface as an end (S720 to S750). ).

  Subsequently, in the same manner as S610 to S630, the hardware included in the cutout box after the change in S710 is specified, the stereoscopic image data of the solid model is generated, and the stereoscopic image data of the joint structure material is displayed. 34 on the three-dimensional display window 42 (S760 to S780).

  In the downward extension routine, as shown in FIG. 31, the lower surface is the result of reducing the height between the hierarchies with respect to the position coordinates of the lower four points among the position coordinates of the eight points of the cutout box determined in S565. The cut box is changed (S810). Then, similarly to S570 to S600, the structural material included in the cutout box after this change is specified, and for the structural material that intersects with the outermost surface of the cutout box, the position coordinates of the cut surface are calculated, and the outermost of the cutout box is calculated. Three-dimensional image data is generated as a solid model that does not intersect the outer surface as a solid model of CAD data as it is, and for a structural material whose position coordinates of one cut surface are calculated as a solid model with the cut surface as an end (S820 to S850). ).

  Subsequently, in the same manner as S610 to S630, the hardware included in the cutout box after the change in S810 is specified, the stereoscopic image data of the solid model is generated, and the stereoscopic image data of the joint structure material is displayed. 34 are displayed on the three-dimensional display window 42 (S860 to S880).

  In the display switching routine, as shown in FIG. 32, when the current display state is a solid model display (S910: YES), the display is switched to a skeleton model display in which all outlines of the structural members are displayed (S920). . On the other hand, when the current display state is the skeleton model display (S910: NO), the structural member is returned to the solid model (S930). Note that the hardware is displayed as a solid model even when the skeleton model is displayed.

  In the present embodiment, when any one of the structural material and the hardware (hereinafter referred to as “parts”) displayed in the three-dimensional display window 42 is clicked once (S671), it is clicked. The color of the part is changed to make it stand out (S672). If double-clicked (S673), the part is hidden (S674).

  As a result of performing the processing as described above, the viewer display as shown in FIGS. 12 to 25 described above is performed. In addition, when displaying the level of the roof, in addition to the method of specifying the cutout range with the rectangle described above, the range of the rectangle is automatically determined by specifying the location indicated by the circle shown in FIG. A method of executing the processing of S570 and subsequent steps based on the rectangular range is also provided. This is a function provided to save the labor of specifying the range because the top layer of the house has almost the same way of assembling the roof, and the part to be checked is often a specific part. is there.

  As shown in FIG. 33, when a change in display to another level is instructed, the process returns to S530 (S671), and when a change in check location is instructed, the process returns to S560 (S672) to change the house. Is commanded, the process returns to S520 (S673). When termination is instructed, this program is terminated (S674).

  Next, an error check program for checking whether or not interference between hardware and hardware and structural material has occurred will be described. As shown in FIG. 34, when the error check program is started, a name list for specifying the check target as shown in FIG. 26 is displayed (S1010). In the name list, all hardware and structural members (hereinafter referred to as “parts”) are checked as defaults. Therefore, when it is desired to exclude from the check target, the check mark in the name list check box can be removed.

  When the check start is instructed (S1020), the parts with check marks in the name list are extracted from the design data (S1030), and the occupation range for each part grasped as a solid model by the 3D display engine is determined. Read (S1040).

  Next, one of the hardwares is set as a determination criterion from among the parts whose occupation range has been read in S1040 (S1050). Then, a cut-out box centered on the hardware of this determination criterion is set (S1060). The cutout box is set in advance as a rectangular parallelepiped region whose origin is the reference position (for example, the center of gravity) of the solid model of the hardware according to the type of the hardware. When the cutout box is set in this way, the parts included in the cutout box are specified (S1070). Next, each specified part and the hardware of the determination criterion are compared with each other in the occupation ranges, and it is determined whether or not the error determination condition is met (S1080).

  Here, when the occupied ranges overlap, it is determined as an error. Even if the occupied ranges do not overlap, an error is also determined if a space as an error determination condition cannot be secured between the occupied ranges. This method is a method in the case where the occupation range is a solid model volume itself. In addition to this method, for hardware, a rectangular parallelepiped or sphere larger than the volume itself can be set as the occupation range in consideration of a space such as screw tightening. In this case, an error determination condition is whether the occupied ranges overlap each other.

  If there is a part determined as an error as a result of the error determination in this way, the determination result is displayed in an error list (S1090). This error list is a list of the names of hardware for judgment criteria and the names of parts that have been judged to cause interference with the hardware. ) Can be specified. Therefore, when the operator clicks a line to be confirmed in the error list (S1100), a cutout box is set in the same manner as S1050 with the reference position of the determination reference hardware of the line as the center (S1110), and S570. Similarly, the structural material included in the cutout box is specified (S1120).

  Thereafter, as in S580 to S620, the position coordinates of the cut surface of the structural material intersecting the cutout box are calculated, the stereoscopic image data of the structural material is generated, and the hardware in the cutout box is specified to generate the stereoscopic image data (S1130 to S1170). For the parts specified in the target row of the error list, the determination reference hardware is a red solid model, and the parts determined to interfere with the determination reference hardware are known at a glance as the blue solid model. In this state, the same three-dimensional image display as S630 is executed (S1180).

  As a result, as illustrated in FIG. 26, an image that can understand the interference location at a glance is displayed. As a result, it is possible to grasp the situation of interference and easily recognize as an image how much the position of the component is moved and in which direction the interference can be avoided.

  After recognizing the interference portion in this way, the hardware editing routine (S1200) shown in FIG. 35 and the structural material editing routine (S1400) shown in FIG. 36 can be activated to perform the correction work.

  In the hardware editing routine, the operator waits for designation of a hardware (S1210), and if a hardware is designated by an operation such as a mouse click (S1210: YES), next, whether movement is commanded for the hardware designated by mouse dragging, Alternatively, it is determined whether or not a change of hardware is instructed by a right mouse click (S1220, S1230).

  When the movement of the hardware is commanded (S1220: YES), the designated hardware image is moved based on the drag direction and drag amount of the mouse (S1240). When position determination is instructed (S1250: YES), the mounting position information of the hardware in the CAD data is updated based on the new coordinate data after the movement (S1260).

  When a change of hardware is instructed (S1230: YES), a list of hardware lists that can be selected as the same type of hardware as the specified hardware is displayed (S1270). At this time, the current hardware column is displayed in an easy-to-understand manner by blinking, a different color display, or the like. Then, the operator waits for the hardware to be selected from the hardware list (S1280). When the selection is made, the hardware list is erased to return to the stereoscopic image display state (S1290), and the newly selected hardware data is displayed. Based on the above, the image of the hardware is changed (S1300). When the determination is instructed (S1310: YES), the type of hardware at the mounting position in the CAD data is updated to the newly selected one (S1320).

  The structural material editing routine waits for the designation of the structural material. When the structural material is designated, the structural material editing routine waits for the input of the dimension change. This is a routine (S1410 to S1450) in which the dimension data of the structural material is updated.

  As described above, according to the second embodiment, a part of the structure of a house constituted by a large number of horizontal members, pillars, etc. can be displayed in a three-dimensional manner only within a specified range. . At this time, the map and the designated range are displayed in the map display window 41, so that it is possible to easily know where the check was made even when the work is interrupted.

  In addition, the error check function identifies the part of the design data that needs to be corrected, and this can also be partially cut out and displayed in 3D to easily check what kind of interference is occurring. It is possible to quickly examine the correction method.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be implemented in various modes without departing from the scope of the invention.

  For example, regarding a panel such as a wall material, what is present in the cutout box may be displayed as a solid model cut at the intersection with the cutout box.

  Further, in the cutout box, the furniture / furnishings may be displayed together with the structural material on a diagram or the like, or the furniture / furnishings may be displayed as a stereoscopic image. In this case, in the display method of furniture / furnishings, it is preferable to display the furniture / furnishings without cutting at the intersection with the outermost surface of the cutout box as in the case of hardware. For example, in the case of placing a piano in a Western room on the second floor, the structural material display method of the present invention is also effective in a method of visual display to the owner that the floor is sufficiently reinforced. is there.

  Furthermore, not only hardware methods but also conventional methods of joints and joints are displayed in the same way as hardware is displayed in the embodiment, and the position and size can be changed visually. It doesn't matter. In this case, the joint / joint of the conventional construction method prepares data that can be drawn as a solid model based on the type and size of the joint / joint, and crosses the cutout box 10 in the same manner as the hardware. It is easy to understand if you do not cut it.

  In addition, in the embodiment, the specification of the size of the clipping box has not been specifically described, but it is a matter of course that the operator may arbitrarily specify the size of the clipping box. Further, the present invention is not limited to a cube cutout box, and a rectangular parallelepiped box may be used as the range specifying means in the present invention, and the use of a sphere is not denied.

  Also in the first embodiment, as in the second embodiment, the beam of the structural material displayed in the cutout box 10 can be changed, and the CAD data is rewritten. May be. In this case, it is preferable to change the beam formation from 105 mm to 120 mm, for example, by numerical input instead of input by mouse operation. As for the movement amount of the hardware, the movement amount may be designated not by mouse drag but by numerical input. In this case, as shown in FIG. 10, it waits for the designation of the structural material, if it is designated, it waits for the input of the dimension change, and if it is entered, generates and displays the image whose dimension has been changed, and waits for the decision input Thus, a structural material editing routine (S410 to S450) that updates the dimension data of the structural material in the CAD data may be linked to the display program.

It is a block diagram which shows the apparatus structure of 1st Embodiment. It is explanatory drawing which illustrates the display state of the floor plan in 1st Embodiment. It is explanatory drawing which illustrates the display state of the sketch in 1st Embodiment. It is explanatory drawing which illustrates the production | generation state of the clipping box in 1st Embodiment. It is explanatory drawing which illustrates the state of the rotation display of the image in 1st Embodiment. It is explanatory drawing which illustrates the state of the enlarged display of the image in 1st Embodiment. It is a flowchart which shows the process sequence of the display program in 1st Embodiment. It is a flowchart which shows the process sequence of the display program in 1st Embodiment. It is a flowchart which shows the process sequence of the hardware edit routine in 1st Embodiment. It is a flowchart which shows the process sequence of the structural material edit routine in the deformation | transformation aspect with respect to 1st Embodiment. It is a block diagram which shows the apparatus structure of 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is explanatory drawing which illustrates the viewer display in 2nd Embodiment. It is a flowchart which shows the process sequence of the display program in 2nd Embodiment. It is a flowchart which shows the process sequence of the display program in 2nd Embodiment. It is a flowchart of the upper extension routine of the display program in 2nd Embodiment. 12 is a flowchart of a display program lowering routine in the second embodiment. It is a flowchart of the display switching routine of the display program in 2nd Embodiment. It is a flowchart which shows the process sequence of the display program in 2nd Embodiment. It is a flowchart which shows the process sequence of the error check program in 2nd Embodiment. It is a flowchart which shows the process sequence of the hardware edit routine in 2nd Embodiment. It is a flowchart which shows the process sequence of the structural material edit routine in 2nd Embodiment.

DESCRIPTION OF SYMBOLS 1 ... Precut processing data creation assistance device 2 ... Hard disk 3 ... Personal computer 4 ... Display 5 ... Keyboard 6 ... Mouse 7 ... CD-ROM drive 8 ... FD drive DESCRIPTION OF SYMBOLS 9 ... Printer 10 ... Cutting-out box 21, 22 ... Hardware 31 ... Precut processing data creation assistance device 32 ... Hard disk 33 ... Personal computer 34 ... Display 35 ... Keyboard 36 ... Mouse 37 ... CD-ROM drive 38 ... FD drive 39 ... Printer 40 ... Viewer screen 41 ... Background display window 42 ... 3D display window 43 ... Cut out Range 44 ... Up arrow mark 45 ... Down arrow mark 46 ... "Transparent" mark 7 ... roof structure display designation position 48 ... rectangular range in roof designation 51 ... designated structural material 52 ... designated hardware 53 ... inclined surface of roof 54 ... back of hut Ceiling surface 61 ... Name list 62,63 ... Parts causing interference

Claims (12)

CAD data storage means for storing arrangement information of a housing structural material designed by CAD for designing the arrangement of the structural material of the house;
A hierarchy designating means for designating a house hierarchy to be displayed on the display screen;
A plan view display means for reading out the arrangement information of the structural material of the hierarchy designated by the hierarchy designation means from the CAD data storage means and displaying it as a plan view, and further comprising the following configuration: CAD data display device.
(1-1) A range designating unit for designating a range to be stereoscopically displayed in the plan view displayed by the plan view displaying unit is provided.
(1-2) Provided with a structural material specifying means for specifying a structural material included in a range designated by the range designating means in the plan view displayed by the plan view displaying means.
(1-3) The structural material specified by the structural material specifying means is provided with a cut surface calculating means for calculating information on a cut surface that should appear on the outermost surface of the range specified by the range specifying means.
(1-4) For the structural material specified by the structural material specifying means, based on the structural material arrangement information stored in the CAD data storage means and the cut surface information calculated by the cut surface calculation means. The structural material within the range designated by the range designating means is displayed as a three-dimensional image, and the structural material outside the range is displayed as a planar image on the hierarchical surface designated by the hierarchical designating means. 3D image display means is provided.
(1-5) Provided with an edit display means for displaying at least an image in a rotated, enlarged or reduced state for the image displayed by the three-dimensional image display means. 2. The CAD data display device according to claim 1, further comprising the following configuration.
(2-1) The CAD data storage means also stores information related to joints and joints between structural materials.
(2-2) The three-dimensional image display means reads out information relating to joints and joints that should be present within the range designated by the range designation means from the stored contents of the CAD data storage means, and creates a stereoscopic image. As well as joint and joint image display means. 3. The CAD data display device according to claim 2, further comprising the following configuration.
(3-1) For the joint / joint image display means, the joint / joint existing within the range is not cut at the outermost surface of the range, and the joint / joint image display means is provided for the structural material provided with the joint / joint. It is configured as means for displaying a three-dimensional image of a portion protruding from the cut surface of the image. 4. The CAD data display device according to claim 2, further comprising the following configuration.
(4-1) A joint / joint moving means for designating the joint / joint displayed by the three-dimensional image display means and moving the joint / joint in the three-dimensional screen is provided.
(4-2) For the joint / joint moved by the joint / joint moving means, a joint / joint position updating means for rewriting the stored contents of the CAD data storage means based on the position coordinates after the movement is provided. Being. 5. The CAD data display device according to claim 2, further comprising the following configuration.
(5-1) A joint / joint type changing means for specifying the joint / joint displayed by the three-dimensional image display means and changing the joint / joint type is provided.
(5-2) A joint / joint whose type has been changed by the joint / joint type changing means, and the contents stored in the CAD data storage means are rewritten to the changed type of joint / joint. Provide type update means. CAD data storage means for storing arrangement information of a housing structural material designed by CAD for designing the arrangement of the structural material of the house;
A hierarchy designating means for designating a house hierarchy to be displayed on the display screen;
A plan view display means for reading out the arrangement information of the structural material of the hierarchy designated by the hierarchy designation means from the CAD data storage means and displaying it as a plan view, and further comprising the following configuration: CAD data display device.
(6-1) A range designating unit for designating a range to be stereoscopically displayed in the plan view displayed by the plan view displaying unit is provided.
(6-2) In the plan view displayed by the plan view display means, structural material specifying means for specifying a structural material included in the range specified by the range specifying means is provided.
(6-3) A cutting surface calculation unit that calculates information of a cutting surface that should appear on the outermost surface of the range specified by the range specification unit for the structural material specified by the structural material specification unit.
(6-4) Based on the structural material arrangement information stored in the CAD data storage means and the cut surface information calculated by the cut surface calculation means for the structural material specified by the structural material specifying means. 3D image display means for displaying a structural material within the range designated by the range designation means as a three-dimensional 3D image in a 3D display area provided separately from the display area of the plan view display means Being.
(6-5) Provided with an edit display means for displaying at least an image in a rotated, enlarged or reduced state for the image displayed by the three-dimensional image display means.
(6-6) The plan view display means is configured as means for displaying the range designated by the range designating means so as to overlap the plan view. The CAD data display device according to claim 1, further comprising the following configuration.
(7-1) The range in the vertical direction of the range specified by the range specifying unit is changed, and the structural material is changed with respect to each of the structural material specifying unit, the cutting plane calculating unit, and the three-dimensional image display unit. Vertical direction range changing means for executing update processing of a specified result, a calculation result of the cut surface, and a three-dimensional image displayed in the three-dimensional display area; 8. The CAD data display device according to claim 7, further comprising the following configuration.
(8-1) The vertical direction range changing means is configured as means for extending the vertical range to one level higher or lower than the level specified by the level specifying means. 9. The CAD data display device according to claim 6, further comprising the following configuration.
(9-1) The three-dimensional image display means displays the display as the three-dimensional image as a solid model display mode in which a line on the back side is invisible and a skeleton model in which the line on the back side is also visible. It must have a skeleton model display mode.
(9-2) A display mode switching unit that instructs the three-dimensional image display unit to select between the solid model display mode and the skeleton model display mode. The CAD data display device according to claim 9, further comprising the following configuration.
(10-1) Provided with a specific structural material non-displaying means for specifying a structural material from the three-dimensional image displayed by the three-dimensional image display means and for making the specified structural material non-displayed. Being. 11. The CAD data display device according to claim 9, further comprising the following configuration.
(11-1) The CAD data storage means stores information for specifying the mounting position and type of hardware as information related to the joint and joint.
(11-2) Provided with hardware data storage means for storing hardware data corresponding to the types and dimensions / shapes of hardware that can be employed as joints and joints when designing a house using the CAD That.
(11-3) The three-dimensional image display means reads out the hardware to be present within the range designated by the range designation means from the storage contents of the CAD data storage means, and displays the solid model display mode and the skeleton model display. Hardware display means for displaying as a solid model image in any mode is provided.
(11-4) Provided with a specific hardware non-displaying means for specifying a joint metal from the 3D image displayed by the 3D image display means and making the specified hardware in a non-display state. . Furthermore, CAD data display device according to any one of claims 1 to 11, characterized in that it comprises also the following configuration.
(17-1) Provided with a structural material size changing means for designating the structural material displayed by the three-dimensional image display means and changing the dimensions of the structural material.
(17-2) A structural material size updating unit that rewrites the storage contents of the CAD data storage unit to the changed size of the structural material whose size has been changed by the structural material size changing unit.

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