JP3005547U - CAD device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a CAD device capable of managing layers or scales for each page. [Structure] An individual figure database that constitutes drawing data is managed as belonging to any layer on the CAD database, and a layer management unit 12 that configures drawing data as a superposition of layers is provided. In a CAD device that has layer management information, which is information such as display / non-display, print / non-print, and scale value, as management information, and outputs to a display device and a printout device according to the layer management information. The layer management means 12 is characterized in that when the CAD drawing has a plurality of pages, independent layer management information is set for each page.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a CAD device capable of managing layers or scales for each page.

[0002]

[Prior art]

 Conventionally, one drawing in a CAD device is usually composed of a plurality of pages, and one drawing having a plurality of pages is managed in one file. And layer management in CAD is done collectively for the drawings. That is, since each file is managed, even if the file has a plurality of different pages, they are managed as information common to them. FIG. 4 shows this situation, and page 1, page 2, and page 3 are managed by common management information of one master layer.

[0003]

[Problems to be solved by the device]

 Generally, scale management is also performed in relation to layers, so when defining layers and scales, it is necessary to consider how to use all the pages in the drawing when starting the drawing creation work. It was This is because it was not possible to use any page with a special layer definition in the middle of drawing creation. However, especially for mechanical CAD, it is often convenient to use several different scales for different pages, and this is not a common requirement for all pages. It was extremely difficult to consider them all before starting.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a CAD device capable of managing layers or scales for each page.

[0005]

[Means for Solving the Problems]

 A CAD device according to the present invention that achieves the above-mentioned object manages each figure database that constitutes drawing data as belonging to any layer on the CAD database, and configures drawing data as a superposition of the layers. Layer management means is provided, and the layer management means has layer management information that is information such as display / non-display, print / non-print, and scale value as layer management information. Therefore, in the CAD device that executes output to the display device and the printout device, the layer management means may set independent layer management information for each page when the CAD drawing has a plurality of pages. Characterize.

[0006] Preferably, the CAD device has a page opening unit capable of writing a new page on the CAD database by a user operation, and the layer management unit can write the new page. Then, the layer management information for each page is set for the new page.

Further, this CAD device has a master layer management means for storing master layer information which is layer management information, and when opening the new page, layer management for each page of the new page is performed. The information is initialized to have the contents of the master layer information.

On the other hand, when the CAD drawing has a plurality of pages, the layer management means sets a mode in which independent layer management information is set for each page, and the layer management information common to each page. May be set by the user, and both modes may be selectable by the user.

In addition, the CAD device according to the present invention has a layer management means for managing the figure database as belonging to any layer on the CAD database and configuring the drawing data as a superposition of the layers. In a CAD device that manages the scale of a drawing by providing at least a scale value as the management information of the layer management unit, the layer management unit includes a plurality of users that are layers that are apparent layers from the user in the CAD database. It manages as many layers as the number of types of scale values used for each layer, and when the CAD drawing has multiple pages, sets independent scale value management information for each page. And

[0012] Preferably, the CAD device has a page opening unit capable of writing a new page on the CAD database by a user operation, and the layer management unit can write the new page. In this case, the management information of the scale value for each page of the new page is set.

Further, this CAD device has a master layer management means for storing master layer information which is layer management information, and at the time of opening the new page, a scale value for each page of the new page. Of the master layer information is initialized to have the contents of the master layer information.

On the other hand, when the CAD drawing has a plurality of pages, the layer management means has a mode in which management information of a scale value independent for each page is set, and is common to each page. It is also possible to have a mode for setting management information of the scale value, and to select both modes by the user.

[0013]

[Action]

 By setting independent layer management information or scale value management information for each page, it is possible to manage layers or scales on each page of the CAD drawing without being dependent on the management of layers and scales on other pages. work. When opening a new page, it is necessary to provide layer management information or scale value management information for each new page without having unnecessary layer management information or scale value management information. And work to have sufficient management information.

Further, having the master layer information and thereby initializing the layer management information for each page or the management information of the scale value can relieve the user from the complicated setting operation when the page is opened. work.

On the other hand, by providing a mode for setting independent layer management information or scale value management information for each page and a mode for setting common management information for each page, the characteristics of the CAD drawing to be created According to, improve the usability of the CAD device.

[0016]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a functional block diagram of a cad device according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram of layer management of the cad device.

The CAD device 10 has a general computer configuration, preferably has a numerical operation processor, and is provided with a secondary storage means such as a hard disk or a magneto-optical disk. A keyboard 21 and a digitizer 22 are connected to the cad device 10 as input devices, and a display device 40 and a plotter 50 are connected as output devices. The digitizer 22 is given here as a typical example of the coordinate input device, and a pointing device such as a so-called mouse can be used instead.

The CAD DB storage means 11 is a secondary storage means such as a hard disk here, and stores CAD DB (cad database) which is the core of the data handled by the CAD device 10, that is, a collection of information such as graphic data. are doing. The cad DB of the cad DB storage means 11 has a data structure as a database. Individual graphic elements, such as rectangles and straight lines, are managed as graphic databases such as rectangular DB and straight line DB, and they are managed as belonging to any of the layers.

The layer management means 12 stores layer management information which constitutes a part of the data of the CAD database, and whether each layer is displayed or not printed by this layer management information means 12. It manages information such as what the display color is.

The drawing data stored in the CAD database storage unit 11 is output to the display device 40 via the display output unit 43, the display device control unit 41, the video RAM 42, etc. when the CAD is operated. At that time, the layer management information is referred to regarding which layer is displayed and in what color.

When the user desires plotter output, the user can cause the print output means 52 to output the contents of the CAD database storage means 11 to the drawing by operating the digitizer 22 or the like. At that time, the print output unit 52 refers to the layer management information, converts only the information regarding the layer to be printed into a plotting command group for plotter, and sends it to the plotter 50 via the output interface 51 to print it on paper. Output.

In the present invention, when the CAD drawing has a plurality of pages, a plurality of layer management information of the layer managing means 12 is provided as independent information for each page. As shown on the right side of FIG. 2, for example, when three pages from page 1 to page 3 are used, as shown on the left side of FIG. Layer, page 2 layer, and page 3 layer are provided independently of each other.

Here, since the CAD drawing may handle an extremely large number of pages, the number of pages that can be opened is set to a large value, for example, 999 pages. Although it is possible to provide the layer management information for all of the 99 pages in advance, if the number of pages is small, they are wasted. Therefore, in this embodiment, the layer management information for each page is It is set up when opening.

In FIG. 1, a page opening unit 30 is a unit for executing the setting of a new page, and opens a new page by a user's operation from the keyboard 21 and digitizer 22 via the input interface 20. By this execution, it becomes possible to write to the new page on the cad DB storage means 11. At that time, the master layer information in the master layer management means 13 which is a storage means is referred to, and the layer management information for each page is initialized by the value and newly provided. The master layer information is management information of layers such as display / non-display, print / non-print, and scale value which are stored in the master layer management means 13 in advance, and when a new page is opened, the new page is displayed. The layer management information for each page is initialized to the contents of this master layer information.

In this way, the master layer information is prepared in advance, and the layer management information for each page is initialized by the master layer information when a new page is opened. It is possible to eliminate the troublesomeness of the user to set different prints and display colors each time a new page is opened.

In the example shown in FIG. 2, four types of scales 1 to 4 are provided. For example, four types of 1/1, 1/2, 1/10, and 1/20 are prepared in advance as the scale value of the master layer.

The layer management information for each page initialized by the master layer information can be reset for each page by a user operation.

When the user selects the drawing means 34 to execute the drawing, the page switching means 31, the layer switching means 32, and the scale switching means 33 are operated in advance to select the page, layer, and scale, and then the drawing is performed. Is registered in the CAD database storage means 11 according to the page, layer, and scale. The embodiment shown in FIG. 1 shows a case in which the layers and scales as described above can be apparently and independently switched by the user.

That is, the scale value is generally regarded as a concept dependent on the layer, and one scale value is usually one scale value, but the concept of the layer and scale in the user setting and the CAD database are set. By establishing the concept of layers and scales on the system in duplicate, and by setting the layer on the cad database system as the concept of the combination of layers and scale values on the user setting, it is possible for the user to think of layers and scales. Can be set independently.

In this case, the layer management means 12 manages as many layers as the number of kinds of scale values used for each of a plurality of user layers, which are apparent layers from the user on the CAD database. . For example, if the number of user layers is 48 and the types of scale values used are 4, there are 192 layers that are four times as many as 48 in the CAD database, and 192 layers are provided. By managing the correspondence between the setting of the user layer and the combination of the setting of the user scale, the user can independently perform the switching of the layer and the switching of the scale without being aware that the scale value is dependent on the layer. It becomes possible to do it.

It is also possible to move a figure once registered in the CAD DB storage means 11 by an operation such as moving between layers. This is done by selecting the figure by the selecting means 35, selecting a menu for moving between layers from the editing means 36, and executing the menu.

A page common mode for commonly setting layer management information on a plurality of pages as shown in FIG. 4 and an independent layer management information for each of a plurality of pages of the present invention as shown in FIG. 2 are set. It is also possible to provide both modes and allow the user to select which mode to select. By doing this, for example, common page mode is used for simple CAD drawings with only one scale value, and independent mode is used for each page when CAD drawings are complicated. In addition, it is possible to improve the usability of the CAD device according to the characteristics of the CAD drawing to be created.

In the above embodiment, the scale is grasped as the attribute of the layer, and the management of the scale is included in the layer management. However, as described above, the concept of the layer and the scale on the user setting and the CAD database system are used. In the case where the concept of layers and scales is doubled so that the user can set layers and scales independently, scale management can be performed independently.

Therefore, in another embodiment of the present invention, the layer management means 12 of FIG. 1 uses the scale used for each of a plurality of user layers, which are layers apparently seen by the user on the CAD database. In addition to managing as many layers as the number of value types, if the CAD drawing has multiple pages, multiple scale value management information should be provided as independent information for each page. Now, as shown on the right side of FIG. 3, for example, when three pages from page 1 to page 3 are used, as shown on the left side of FIG. , Page 2 scale and Page 3 scale are provided independently.

The management information of the scale value for each page can be provided when the page is opened, and the management information of the scale value becomes the content of the master layer information when the new page is opened. However, the layer management means is common to each page, and the mode in which the layer management means sets independent scale value management information for each page when the CAD drawing has multiple pages. This is the same as the above-mentioned embodiment in that it has a mode for setting the management information of the scale value and the both modes can be selected by the user.

[0036]

[Effect of device]

 As described above in detail with reference to the embodiments, according to the present invention, independent layer management information or scale value management information is set for each page. It is possible to manage layers or scales without being dependent on the management of layers and scales on other pages.

In addition, by providing layer management information or scale value management information for each new page when opening a new page, unnecessary and unnecessary management information can be provided and only necessary and sufficient information can be provided. It becomes possible to have management information.

Further, by having the master layer information and thereby initializing the layer management information for each page or the management information of the scale value, the user can be prevented from performing a complicated setting operation when a new page is opened. It becomes possible to release.

On the other hand, by providing a mode for setting independent layer management information or scale value management information for each page and a mode for setting common management information for each page, the characteristics of the CAD drawing to be created Depending on the situation, it is possible to improve the usability of the CAD device.

[Brief description of drawings]

FIG. 1 is a functional block diagram of a CAD device according to an embodiment of the present invention.

2 is an explanatory diagram of layer management of the CAD device in FIG. 1. FIG.

FIG. 3 is an explanatory diagram of scale management of a CAD device according to another embodiment of the present invention.

FIG. 4 is an explanatory diagram of layer management according to a conventional example.

[Explanation of symbols]

 10 Cad device 11 Cad DB storage means 12 Layer management means 13 Master layer management means 20 Input interface 21 Keyboard 22 Digitizer 30 Page opening means 31 Page switching means 32 Layer switching means 33 Scale switching means 34 Drawing means 35 Selection means 36 Editing means 40 Display device 41 Display device control means 42 Video RAM 43 Display output / output means 50 Plotter 51 Output interface 52 Print output means

Claims (8)

[Scope of utility model registration request] 1. A layer management means for managing individual figure databases constituting drawing data as belonging to any layer on a CAD database, and for constructing drawing data as a superposition of the layers, the layer management The means has layer management information, which is information such as display / non-display, print / non-print, and scale value, as layer management information, and executes output to a display device and a print output device according to the layer management information. In the CAD device, the layer management means sets independent layer management information for each page when the CAD drawing has a plurality of pages. 2. A page opening unit that allows a new page to be written on the cad database by a user operation, and the layer management unit creates a new page when the new page is writable. The CAD device according to claim 1, wherein layer management information for each page is set. 3. A master layer management unit that stores master layer information that is layer management information, and when the new page is opened, the layer management information for each page of the new page is provided as the master layer information. The cad device according to claim 2, wherein the cad device is initialized so that the contents become the contents. 4. The layer management means sets a layer management information which is independent for each page when the CAD drawing has a plurality of pages and a layer management information common to each page. The cad device according to claim 1, further comprising: a mode to be set, wherein both modes are selectable by a user. 5. The graphic database has layer management means for managing it as belonging to any layer on the CAD database, and constructing drawing data as a superposition of the layers, and at least a scale as management information of the layer management means. In a CAD device that performs scale management of a drawing by providing a value, the layer management unit is a type of scale value used for each of a plurality of user layers that are apparent layers from the user on the CAD database. The CAD device is characterized in that, when the CAD drawing has a plurality of pages, independent management information of the scale value is set for each page. 6. A page opening means for writing a new page on the cad database by a user's operation, and the layer management means creates a new page when the new page is writable. The cad device according to claim 5, wherein management information of a scale value for each page is set. 7. A master layer management unit for storing master layer information, which is layer management information, is provided, and when the new page is opened, management information of a scale value for each page of the new page is provided to the master. The cad device according to claim 5, wherein the cad device is initialized so as to have the contents of the layer information. 8. A mode in which the layer management means sets management information of independent scale values for each page when the CAD drawing has a plurality of pages, and the scale values common to each page. 6. The CAD device according to claim 5, further comprising: a mode for setting management information of 1., wherein both modes are selectable by a user.