JPH05143706A - Method and device for correcting graphic - Google Patents

Abstract

PURPOSE:To easily execute alteration/correction to the group of plural graphic data composed of one part of the same graphic at least in common when executing the alteration/correction for the graphic expressed with the graphic data. CONSTITUTION:A grouping processing part 11 defines the group composed of one part of the plural graphic data, at least, having a common attribute parameter in the same graphic among the graphic data contained in image information under handling at a CAD processing part 1. In this case, by instructing the desired graphic data among the plural graphic data having the common attribute parameter in the same graphic among the graphic data contained in the image information under handling at the CAD processing part 1 and displaying on a display 3 through an input device 2, the group is selectively defined by the grouping processing part 11. A group editing part 12 executes the alteration/correction for the group in common by changing the attribute parameter of the graphic data in the group defined by the grouping processing part 11.

Description

Detailed Description of the Invention

[0001]

The present invention relates to so-called CAD (comp
The present invention relates to a figure correction method and apparatus for changing and correcting a figure represented by the figure data in a system for processing figure data such as a computer aided design) system.

[0002]

2. Description of the Related Art In a conventional CAD system, when a plurality of graphic data are edited, the editing operation is generally performed for each graphic data. For example, in the case of a line segment figure, consider a case where there are two line segments AB and CD on the same straight line SL as shown in FIG. In the conventional system, the attribute parameters of these line segments AB and CD are
They exist individually for each line segment, and are not particularly associated even though they exist on the same straight line SL.

That is, although the line segments AB and CD exist on the same straight line SL, in the conventional system, the data of these line segments AB and CD are coordinate data of the end points A and B and C and D, respectively. It consists of only, for example,
The data stored in the storage means or handled in the editing is the coordinate data of these end points A and B and C and D. That is, the data of these line segments AB and CD are managed by the coordinate data of both end points A and B and C and D, respectively.

[0004]

In the conventional system as described above, as shown in FIG. 10, for example, the line segments AB and CD on the straight line SL are both rotated about the point O by an angle θ. , To obtain the line segments A′B ′ and C′D ′, the line segments must be rotationally moved for each line segment. That is, first, the line segment AB is rotated by the angle θ about the point O by the first operation R1 to make the line segment A′B ′, and then the line segment CD is changed to the point O by the second operation R2. The line segment C ′
D '. Therefore, two operations are required.

In the above, substantially the line segments AB and C
Considering that D is on the straight line SL, the straight line SL
Is rotated about the point O by an angle θ and the straight line S
By simply setting L ′, line segments AB and C on this straight line SL
D should be the line segments A'B 'and C'D' on the straight line SL '. However, in the conventional system, the data of the line segments AB and CD are respectively the end points A, B and C.
Since it is managed only by the coordinate data of and D and is not associated with the straight line SL, such an operation cannot be easily performed.

The present invention has been made in view of the above circumstances, and when changing and correcting a graphic represented by graphic data, a group of a plurality of graphic data which is at least a part of the same graphic is commonly used. It is an object of the present invention to provide a graphic correction method and device that can be easily changed and corrected.

[0007]

A first figure correcting method according to the present invention is a group for defining a group composed of a plurality of figure data of the same figure when changing and correcting a figure represented by figure data. It is characterized in that it has an encoding step and an editing step for commonly editing the graphic data belonging to the group defined in this step by changing the attribute parameter of the same graphic.

A second figure correcting method according to the present invention is to change and correct a figure represented by figure data.
Grouping step for defining a group composed of a plurality of graphic data having the same graphic parameter having a common attribute parameter, and changing the graphic data belonging to the group defined in this step to the attribute parameter of the same graphic It is characterized in that it has an editing step for editing in common.

A first figure correcting apparatus according to the present invention is a figure correcting apparatus for changing and correcting a figure expressed by figure data, and is a grouping for defining a group formed by a plurality of figure data of the same figure. It is characterized by comprising means and editing means for commonly editing the graphic data belonging to the group defined by the grouping means by changing the attribute parameter of the same graphic.

A second figure correcting apparatus according to the present invention is a figure correcting apparatus for changing and correcting a figure expressed by figure data, and is constituted by a plurality of figure data having the same figure and having common attribute parameters. Grouping means for defining a group defined by the grouping means, and editing means for commonly editing the graphic data belonging to the group defined by the grouping means by changing the attribute parameter of the same graphic. There is.

[0011]

In the figure correcting method and apparatus of the present invention,
Defining a group composed of a plurality of figure data of the same figure or a plurality of figure data of the same figure and having a common attribute parameter, and changing the attribute parameter of the same figure for the figure data belonging to this group. Since it is commonly edited by, it is possible to change and correct the graphic data of the same group at a time, and it is possible to easily perform the graphic change operation.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the configuration of a CAD system incorporating a graphic correction device according to a first embodiment of the present invention.
In the CAD system of the present embodiment, a plurality of graphic data are selected in advance from a plurality of graphic data having the same graphic and having common attribute parameters and grouped, and the common attribute parameter of the graphic data is changed and modified. By doing so, it is possible to collectively correct a plurality of grouped graphic data.

The CAD system shown in FIG. 1 comprises a CAD processing section 1, an input device 2, a display 3, an output device 4 and a storage device 5. The CAD processing unit 1 is a CPU
(Central processing unit), and executes CAD processing including figure correction processing. The input device 2 includes an operation input device such as a keyboard and a pointing device such as a mouse, and inputs operation input information by an operator and other external information necessary for CAD processing to the CAD processing unit 1. The display 3 displays necessary information such as processed image information by the CAD processing unit 1 and information related to input by the input device 2. The output device 4 includes a plotter or a printer,
The image information processed by the CAD processing unit 1 is output as a hard copy. The storage device 5 is composed of, for example, a disk device such as a hard disk device, and operates in association with the CAD processing unit 1 to store data such as image information before processing, after processing, and during processing.

In this case, the CAD processing unit 1 uses the normal CA.
In addition to the configuration for executing the D process, the grouping processing unit 1 for executing the graphic correction process according to the embodiment of the present invention.
1, a group editing unit 12 and a memory 13 are included. The grouping processing unit 11 defines a group formed by at least a part of a plurality of graphic data having the same graphic and having a common attribute parameter in the graphic data included in the image information being handled by the CAD processing unit 1. To do. In this case, from the graphic data included in the image information displayed on the display 3 which is being handled by the CAD processing unit 1, desired graphic data of a plurality of graphic data having the same graphic and having common attribute parameters is input. The grouping processing unit 1 is instructed by the operator via the device 2.
1 selectively defines a group.

The group editing unit 12 changes the attribute parameter of the graphic data of the group defined by the grouping processing unit 11 to commonly change and correct the graphic data of the group. The memory 13 stores information related to the processes of the grouping processing unit 11 and the group editing unit 12. This memory 13
The storage content of is transferred to the storage device 5 as needed. This memory 13 is a normal CAD in the CAD processing unit 1.
The memory used in processing may be shared.

Next, with reference to the flow chart shown in FIG. 2, a detailed description will be given of the operation particularly relating to the figure correction in the CAD system having such a configuration. When the execution of the CAD process is started, it is first determined whether or not the "grouping mode" is used (step S1). If the "grouping mode" is not used, the "normal mode" process (step S2) is performed. ), And the normal CA as usual without the figure correction processing in the "grouping mode" according to the embodiment of the present invention.
D processing is performed. Whether or not to use the "grouping mode" is set by the processing mode information input by the operator in advance.

If it is determined in step S1 that the "grouping mode" is to be used, the graphic element grouping setting process is started, and a plurality of graphic elements to be grouped from the graphic data displayed on the display 3 are started. Is selected (step S3), and in order to confirm whether the selected graphic element may be recognized as a group, the group of graphic elements has a display attribute different from that of other portions (for example, a display color different from that of other portions). , Or a display brightness different from that of the other part) (step S4). Regarding whether or not to recognize and set the selected graphic element as a group, after the operator inputs information via the input device 2, the input content, that is, whether or not to recognize the group is determined (step S5). When it is determined in step S5 that the selected graphic element is recognized as a group, group recognition setting processing is performed (step S6). In this step S6, it is also possible to change the graphic elements forming the group. Next, it is determined whether the graphic elements of the group set in step S6 have the same attribute parameter (step S
7) If the graphic elements of the group set in step S6 do not have the same attribute parameter, an error message indicating that the same group cannot be formed is displayed (step S).
8) and returns to step S5. When the graphic elements of the group set in step S6 have the same attribute parameter, the fact that the grouping is completed is displayed on the display 3. This completes the graphic element grouping setting process.

Next, the graphic element group editing process is started.
Whether or not to edit the graphic element is input by the operator via the input device 2, and then the input content is determined (step S10). Step S5 described above
Then, if it is determined that the selected graphic element is not recognized as a group, the process proceeds to step S10. If it is determined in step S10 that the graphic element is to be edited,
The operator commonly changes and sets a desired part or all of the attribute parameter data of the graphic elements of the group via the input device 2 (step S11). When some or all of the attribute parameter data of the graphic elements of the group are commonly changed and set in step S11, the graphic elements of the same group are commonly changed accordingly (step S1).
2). Then, the graphic element group editing process is terminated, and the system shifts to the next process. When it is determined in step S10 that the graphic element editing is not performed, the graphic element group editing processing is immediately stopped at that point, and the system shifts to the next processing.

Next, a specific example of the above operation will be described. For example, when the target figure is a line segment, as shown in FIG. 3, three line segments AB, CD, and
And EF. (1) In order to put the line segments AB and CD into the same group, the operator selects the line segments AB and CD as the same group in step S3. (2) Line segments AB and C in steps S5 and S6
When it is confirmed that D is set as the same group,
In step S7, the system confirms the attribute parameters of the line segments AB and CD and recognizes that they have the same straight line SL attribute parameter as a common attribute parameter, and thus can group them into the same group. And the completion of grouping is displayed.
At this time, if there is no common attribute parameter, an error display indicating that the graphic data cannot be in the same group is displayed in step S8.

(3) When the grouping into the same group is completed, the line segments AB and CD are recognized and set in the system as the same group having the same attribute parameter. With the above, the graphic element grouping setting process ends. (4) When it is desired to rotate and move the line segments AB and CD about the point O by the angle θ, the line segments AB and CD are selected and grouped as the graphic data of the same group as described above, and Grouped line segment AB
The operator can modify the line segments AB and CD at a time by modifying the attribute parameters that both and CD have in common. For example, if the line segment AB is selected as the group correction and the angle θ as the attribute parameter is corrected, the line segments CD belonging to the same group are simultaneously corrected and moved to the straight line SL ′ as shown in FIG. Result in line segments A'B 'and C'D'. At this time, line segment A
Line segment EF existing on the same straight line SL as B and CD
Originally has (or can have) an attribute parameter common to the line segments AB and CD, but since it is not selected by grouping as the same group, it is excluded from the group edit and the line segment EF Does not move.

Here, an example of the attribute parameter that can be used in this embodiment will be described. For example,
The attribute parameter that can be possessed by the line segment GH as shown in FIG. 4 is the attribute parameter of the straight line SL passing through the two points G and H. The attribute parameter of the straight line SL is, for example, the coordinate of one point on the straight line SL and the angle θ with respect to the angle reference of the straight line SL.
And other parameters. In addition, the arc I as shown in FIG.
The attribute parameter that J can have is an attribute parameter of a circle CC that passes through two points I and J and has a center O. The attribute parameters of the circle CC are parameters such as the coordinates of the center O and the radius r of the circle CC. The attribute parameters that the free-form curve segment KL as shown in FIG. 6 can have are two points K.
It is an attribute parameter of the free curve CL passing through and L.
The attribute parameter of the free curve CL is, for example, the free curve CL
Parameters such as the coordinates of the inflection point and its curvature information.

By changing these attribute parameters,
In the line segment figure, its movement (X, Y coordinate change), rotation (θ
Change), the radius can be changed (r change) in the arcuate figure, and the curve itself can be changed in the gentle curve. Incidentally, the case of changing the arcuate shape will be specifically described. For example, assume that arcs MN and PQ on the same circle CC shown in FIG. 7 are grouped into the same group. In this case, regarding the attribute parameter of the graphic element MN which is an arcuate figure, the XY coordinate of the center O of the circle CC is moved to a point O ′, and the circle is rotated by an angle θ, and the radius R of the circle CC is changed. Changing to radius R'obtains arcs MN 'and PQ' on circle CC 'as shown at one time.

Since the same graphic data may have common attribute parameters, the graphic data to be grouped in the normal case is selected from the same graphic data.
As described above, by grouping a plurality of graphic data having the same graphic parameters and having common attribute parameters, the graphic elements grouped in the same group are collectively processed by one operation for changing the attribute parameters in common. Can be edited.

Next, FIG. 8 shows a flow chart of a CAD system incorporating the figure correcting apparatus according to the second embodiment of the present invention. In the second embodiment, the "normal mode" and the "grouping mode" described in the first embodiment are used.
In addition to this, it has a “same attribute all target mode”. When the process starts, the operator immediately selects any one of the three operation modes (step S21), and the process corresponding to the selected operation mode is executed. That is, when the "normal mode" is selected in step S21, a normal CAD process that does not include batch editing of the same attribute parameter is performed (step S2).
2) In step S21, when the "grouping mode" is selected, the graphic elements that may have the same attribute parameter are selectively grouped as desired and the common attribute parameter as described in the first embodiment. A process using the batch editing of is performed (step S23). And step S
When the "same attribute all target mode" is selected in 21, the process using batch editing of common attribute parameters is performed for all graphic elements that may have the same attribute parameter as described later (step S24). ..

FIG. 9 shows the details of the processing in step S24 using the batch editing of common attribute parameters for all graphic elements that can have the same attribute parameter in the "same attribute all target mode". In FIG. 9, the display 3
When an arbitrary graphic element in the graphic data displayed in is designated, all graphic elements that can have the same attribute parameter as that graphic element are selected (step S31), and all graphic elements that can have the same selected attribute parameter are selected. The element has a display attribute different from other parts for confirmation (for example, display color different from other parts, display brightness different from other parts, etc.)
Is displayed (step S32). Next, after the operator inputs through the input device 2 as to whether or not to edit the graphic element, the content of the input is determined (step S33). If it is determined in step S33 that the graphic element is to be edited, the operator operates the input device 2
The desired part or all of the common attribute parameter data of the target graphic element is commonly changed and set via step S34. When some or all of the attribute parameter data of the graphic elements of the group are commonly changed and set in step S34, the graphic elements of the same group are commonly changed accordingly (step S35). And
The editing process of the graphic element is completed, and the system shifts to the next process. When it is determined in step S33 that the graphic element is not edited, the graphic element editing process is immediately stopped at that point, and the system shifts to the next process.

In the system configuration in this case, the grouping processing unit 11 in the configuration shown in FIG. 1 has a function of selecting and grouping all graphic elements that can have the same attribute parameter in the "same attribute all target mode". The group editing unit 12 and the memory 13 may be commonly used even in the “same attribute all target mode”. In the above description, all graphic elements that may have the same attribute parameter are selected and grouped, or a part of them are selected and grouped by the operator. Since it is possible to have the same attribute parameter, it is possible to edit in common by changing the attribute parameter. For example, a straight line figure may have a straight line inclination angle parameter as an attribute parameter, and an arc or circle figure may have a circle or arc radius parameter as an attribute parameter. Therefore, regardless of the coordinate position, it is possible to set a plurality of figure data consisting of a part or all of the same figure on the screen as a group and change the parameters of the inclination angle of the straight line and the parameters of the circle or arc radius. For example, the inclination angles of all the straight lines in the group and the radii of circles or arcs can be collectively changed in the same manner.

[0027]

As described above, according to the present invention, when changing and modifying a figure represented by figure data, a plurality of figure data of the same figure or a plurality of pieces of the same figure having common attribute parameters. A plurality of figures each including at least a part of the same figure are defined by defining a group composed of the figure data and editing the figure data belonging to this group in common by changing the attribute parameter of the same figure. It is possible to provide a graphic correction method and apparatus that enable common and easy modification and modification of data groups.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating a configuration of a CAD system incorporating a graphic correction device according to a first embodiment of the present invention.

FIG. 2 is a flow chart for explaining the operation of the embodiment of FIG.

FIG. 3 is a schematic explanatory diagram for explaining the operation of the embodiment of FIG.

FIG. 4 is a schematic explanatory diagram for explaining the operation of the embodiment of FIG.

5A and 5B are schematic explanatory views for explaining the operation of the embodiment of FIG.

FIG. 6 is a schematic explanatory diagram for explaining the operation of the embodiment of FIG.

FIG. 7 is a schematic explanatory diagram for explaining the operation of the embodiment of FIG.

FIG. 8 is a flow chart for explaining the operation of a CAD system incorporating a graphic correction device according to a second embodiment of the present invention.

9 is a flowchart for explaining a part of FIG. 8 in detail.

FIG. 10 is a diagram for explaining an operation in a conventional CAD system.

[Explanation of symbols]

1 ... CAD processing unit, 2 ... Input device, 3 ... Display,
4 ... Output device, 5 ... Storage device, 11 ... Grouping processing unit, 12 ... Group editing unit, 13 ... Memory.

Claims (8)

[Claims] 1. A grouping step of defining a group constituted by a plurality of graphic data of the same graphic when changing and modifying the graphic represented by the graphic data, and graphic data belonging to the group defined in this step. And a step of editing the same figure in common by changing the attribute parameter of the same figure. 2. The grouping step includes a step of selectively designating at least a part of a plurality of graphic data of the same graphic, and a step of defining a group by the plurality of graphic data selectively specified by this step. The method according to claim 1, further comprising: 3. A grouping step of defining a group composed of a plurality of graphic data which are the same graphic and have a common attribute parameter in changing and modifying the graphic represented by the graphic data, and the grouping step defined by this step. And a step of editing the figure data belonging to the group in common by changing the attribute parameter of the same figure. 4. The grouping step includes a step of selectively designating at least a part of a plurality of graphic data having the same graphic and having a common attribute parameter, and a plurality of graphic data selectively designated by this step. 4. The method for modifying a graphic according to claim 3, further comprising the step of defining a group according to. 5. A graphic modifying apparatus for modifying and modifying a graphic represented by graphic data, and a grouping means for defining a group constituted by a plurality of graphic data of the same graphic, and a grouping means defined by this grouping means. A graphic correction device comprising: edit means for commonly editing graphic data belonging to a group by changing the attribute parameter of the same graphic. 6. The grouping means includes means for selectively designating at least a part of a plurality of graphic data of the same graphic; and means for defining a group by a plurality of graphic data selectively designated by the means. The graphic correction device according to claim 5, further comprising: 7. A graphic modifying apparatus for modifying and modifying a graphic represented by graphic data, and grouping means for defining a group composed of a plurality of graphic data having the same graphic and having common attribute parameters. A graphic correction device comprising: edit means for commonly editing graphic data belonging to a group defined by the grouping means by changing an attribute parameter of the same graphic. 8. The grouping means includes means for selectively designating at least a part of a plurality of graphic data having the same graphics and having common attribute parameters, and a plurality of graphic data selectively designated by this means. 8. The graphic correction device according to claim 7, further comprising means for defining a group according to.