JPH05189536A - Method and device for graphic display/edit - Google Patents

Abstract

PURPOSE:To improve the operability of the subject method and device by easily setting a view area which is magnified or reduced. CONSTITUTION:An area setting part 13 sets 8 view area with an instruction of an operator and via an input device 2. A view store processing part 14 stores the view area information on the set view area in a drawing file of a memory 17 via 8 write/read control part 18. A view reading part 15 reads optionally and selectively the view area information out of the part 14 with an instruction of the operator and an interactive operation carried out to the screen of 8 display 3. Than 8 view processing part 16 magnifies or displays the contents of the view area based on the view area information read out by the part 15.

Description

Detailed Description of the Invention

[0001]

The present invention relates to CAD (computer-aid).
The present invention relates to an ed design) system, and more particularly to a drawing display editing method and apparatus for performing display editing processing including enlargement / reduction display processing of drawing data created by a CAD system.

[0002]

2. Description of the Related Art When using a CAD system, it is sometimes desired to perform so-called zoom display processing of displayed drawing data, that is, enlargement or reduction of a part of the displayed drawing data. In the conventional CAD system, such zoom display processing is performed in the following operation procedure in the case of enlarged display, for example.

(1) A zoom display process is designated. (2) Specify the target area for zoom display processing on the displayed screen. (3) By instructing the enlarged display, the drawing data of the specified area is enlarged and displayed on the display screen. Therefore, when the enlargement or reduction is continuously repeated a plurality of times, the target area for zoom display processing is set on the displayed screen each time. Especially when designing a detailed design or a large size object,
It is necessary to handle the details of the parts and the overall appearance alternately and in a multiple manner. In such a case, the zoom display processing as described above is frequently repeated.

[0004]

Therefore, the conventional C
In the AD system, even when the zoom display process is repeatedly performed, the target area must be repeatedly performed each time the zoom process is performed, which requires a complicated operation.
In particular, in the case of a detailed design or a design for a large-sized object, enlargement and reduction of the substantially same region are frequently repeated, so that the complexity of the operation becomes a great burden on the operator.

The present invention has been made in view of the above circumstances, and it is possible to perform a setting operation of a view area to be processed such as enlargement / reduction easily and simply, and to display a drawing with extremely good operability. An object is to provide an editing method and device.

[0006]

A drawing display / editing method according to the present invention is a set view for selecting registration of a view area to be enlarged / reduced on a displayed screen in display / edit processing of drawing data. A selection step, an area setting step for setting a view area to be registered, a view storage step for storing the view area information set in the area setting step in the drawing file, and a view area extraction from the drawing file. A get view selecting step for selecting, a reading instruction step for instructing reading of the information of the view area stored in the view storing step, and a view reading step for reading the information of the view area from the drawing file according to the instruction of the reading instruction step. , In the view area read in the view reading step It is characterized by having a view processing step of applying a constant process.

A drawing display / editing apparatus according to the present invention registers a view area to be enlarged / reduced on a displayed screen in a drawing display / editing processing apparatus for displaying and editing drawing data. Set view command for inputting, and command input means for inputting a command including a get view command for extracting the view area from the drawing file, area setting means for setting the view area to be registered, View storage means for storing the information of the view area set by the area setting means in the drawing file, and view reading means for reading the information of the view area stored by the view storage means from the drawing file, View processing means for performing a predetermined process on the view area read by the view reading means. It is characterized in that.

[0008]

In the drawing display editing method and apparatus of the present invention, when the display editing processing of drawing data is performed, the view area to be enlarged / reduced on the displayed screen is selected and registered. To set the view area to be stored, store the information of the view area in the drawing file, select the retrieval of the view area from the drawing file, and instruct the reading of the stored view area information. Since the area information is read from the drawing file and the predetermined processing is performed on the view area, the view area that has been set and registered once can be easily and repeatedly used, and the view area can be subjected to processing such as scaling. The setting operation of the view area can be performed easily and simply, and the operability is significantly improved.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic configuration of a CAD system incorporating a drawing display / editing apparatus according to an embodiment of the present invention. In the CAD system of the present embodiment, when the drawing data is displayed and edited, the view area to be enlarged / reduced on the displayed screen is set, and the information of the view area is stored in the drawing file and necessary. Accordingly, the stored view area information can be read from the drawing file and a predetermined process can be performed on the view area.

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
A central processing unit (not shown) is included and CAD processing including drawing display editing processing is executed. The input device 2 includes an operation input device such as a keyboard and a pointing device such as a mouse, and CAD operation input information by an operator and other external information necessary for CAD processing are CAD.
Input to the 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, a printer, or the like, and outputs the image information processed by the CAD processing unit 1 as a hard copy. Storage device 5
Is a disk device such as a hard disk device or the like, and operates in association with the CAD processing unit 1 to store data such as image information before processing, after processing and during processing and data such as drawing files as necessary. ..

In this case, the CAD processing unit 1 uses the normal CA.
In addition to the configuration for executing the D process, the display control unit 1 for executing the drawing display editing process according to the embodiment of the present invention.
1, command input unit 12, area setting unit 13, view storage processing unit 14, view reading unit 15, view processing unit 16,
It includes a memory 17 and a write / read controller 18.

The display control unit 11 controls the display on the display 3. Under the control of the display control unit 11, drawing data and the like are displayed on the screen of the display 3. The command input unit 12 is, for example, a set view command for registering a view area by an interactive operation with the screen of the display 3, a get view command for extracting and using the registered view area information, and processing in drawing data. A process for allowing an operator to input a command including an element selection command for selectively instructing a target element is performed. Therefore, the command input unit 12 controls the display control unit 11 as necessary.

The area setting unit 13 functions at least when the set view command is input by the command input unit 12, and, for example, by an interactive operation with the screen of the display 3, the view area is input via the input device 2. Is performed by the operator to set the instruction. Therefore, the area setting unit 13 also controls the display control unit 11 as necessary. The view storage processing unit 14 functions in association with the region setting unit 13 at least when the set view command is input by the command input unit 12, and writes / reads out the view region information indicating the set view region. A process of storing the drawing file in the memory 17 via the control unit 18 is performed. Therefore, the view storage processing unit 14 also controls the display control unit 11 as necessary. When storing the view area information, the view storage processing unit 14 can set an identification name for each view area for the convenience of reading the view area information later. It is desirable to input the identification name before or after setting the view area by the area setting unit 13.

The view reading unit 15 functions at least when the get view command is input by the command input unit 12, and the view area information stored by the view storage processing unit 14 is displayed on the screen of the display 3, for example. Through an interactive operation, the operator is instructed to perform a process for optionally reading. At this time, the selection instruction of the view area information to be read is performed, for example, by displaying a list of the identification names of the view areas stored in the drawing file on the screen and instructing the desired view area information with the cursor. .. Therefore, the view reading unit 15 also controls the display control unit 11 as necessary.

The view processing section 16 includes a view reading section 15
Using the view area information read by, processing such as enlarging or displaying the contents of the corresponding view area is performed. Therefore, the view processing unit 16 also controls the display control unit 11 as necessary. In the view reading unit 15 and the view processing unit 16 described above, the inside or outside view is selected by the command input unit 12 in the element instruction command for instructing the element to be processed in the process of various drawing operations. It also works sometimes, and targets the element in the selected view or outside the view to the element instruction.

The memory 17 stores information including a CAD drawing file to be displayed by the display control unit 11.
The storage contents of the memory 17 are transferred to the storage device 5 as needed. The memory 17 may share the memory used in the normal CAD processing in the CAD processing unit 1. The writing / reading control unit 18 responds to the operations of the view storage processing unit 14, the view reading unit 15, the view processing unit 16, etc., and is displayed on the display 3 and the memory 1
View area information to the drawing file stored in 7,
Data such as graphic information is written and data such as view area information and graphic information is read from the drawing file in the memory 17.

Next, the set view operation relating to drawing display editing in the CAD system having such a configuration will be described in detail with reference to the flowchart shown in FIG. Figure 2
It is assumed that the processing shown in (1) is started as an interrupt processing by a command input during a normal drawing or editing operation in the CAD system. First, a set view command is selected by the command input unit 12 of the CAD processing unit 1 (step S1), and the system is set to the set view mode (step S2).

When the set view mode is set, for example, the view storage processing unit 14 of the CAD processing unit 1 operates,
The operator inputs the identification name of the view area (step S3), the area setting unit 13 of the CAD processing unit 1 operates, and the view area is set by the operator's operation (step S4). The input of the identification name of the view area in step S3 is performed by requiring the operator to input the identification name via the screen of the display 3, and the operator inputting the identification name character string or the like accordingly.

When the view area is set in step S4, the view storage processing section 14 operates again, and the set view area information is written / read together with the view area identification name input in step S3. Is written in the drawing file of the memory 17 via. In this way, when the view area information is stored in the drawing file together with the view area identification name, the system shifts to the next processing. The view area information stored in this way can be arbitrarily used at any time by the get view command.

Next, the get view operation related to drawing display editing in the CAD system having such a configuration will be described in detail with reference to the flowchart shown in FIG. Figure 3
Similarly to the case of FIG. 2, it is assumed that the processing shown in (1) is started as an interrupt processing by a command input during a normal drawing or editing operation in the CAD system. First,
The get view command is selected by the command input unit 12 of the CAD processing unit 1 (step S11), and the system is set to the get view mode (step S1).
2).

When the get view mode is set, for example, the view reading section 15 of the CAD processing section 1 operates, and the operator gives an instruction to select view area information (step S13). In the selection instruction of the view area information in step S13, for example, a list of the view area information registered on the screen of the display 3 is displayed, and the operator operates the cursor to indicate the view area information, and the desired view area information is displayed. Specifies view area information.

When the view area information is designated in step S13, the view reading section 15 operates to read the designated view area information and display the view area on the display screen of the display 3 (step S14). .. When the view area information is read in step S14, the view processing unit 16 operates to instruct the necessary view processing such as enlargement / reduction using the read view area (step S15) and follow the instruction. View processing is performed (step S16).

The view processing in step S16 includes
In the element instruction command for instructing the element to be processed in the process of various drawing operations, the element inside or outside the view is selected, and the element within the selected view or outside the view is the object of element instruction. Processing is also included. When the view processing for the read view area is performed in this manner, the system shifts to the next processing.

Here, an example of a specific operation in this system will be described in detail. First, the set view will be described. When "display"-"set view" is selected in the menu on the edit screen of the CAD system as shown in FIG. 4, a set view processing selection menu as shown in FIG. 5 is displayed. In this menu, the identification name of the view area information registered at that time ("View
1 ”,“ View 2 ”,“ View 3 ”, etc.) and processes that can be selected in the set view mode, that is,“ addition (newly register view area information) ”,“ change (instructed view area information Change the view area to register) ",
"Delete (Delete the specified registered view area information)", "Display (Display the status of the specified registered view area information view area)" and "Display all (View area of all view area information""Displaystatus)" is displayed.

When "Add" is selected to additionally register the view area in the process selection menu of the set view of FIG. 5, first, as shown in FIG. 6, a prompt line at the bottom line on the screen of the display 3 is displayed. The message "Please enter the name of the view" is displayed, and the operator is requested to enter the identification name of the view area to be additionally registered. The selection of the menu and the change thereof are performed by the operator operating the cursor movement keys or the mouse of the input device 2 while moving the cursor on the menu while looking at the edit screen of the display 3 to identify the identification name and the like. The input is performed by an operator operating a keyboard or the like of the input device 2.

In the state of FIG. 6, when the operator inputs the identification name of the view area to be additionally registered, the screen as shown in FIG. 7 is displayed, and the prompt line "Please indicate the first corner of the view" is displayed. When the cross cursor as shown in the figure is displayed on the screen, the operator is requested to indicate the start point of the view area to be additionally registered, that is, the first corner. When the start point is specified by operating the mouse etc., next, as shown in Fig. 8, the prompt line on the screen displays "Please specify the second corner of the view." A diagonal point indication is required for the first corner of the view area to be attempted. After designating the view area by designating the diagonal points and selecting “execute” as shown in FIG. 8, the set view area is stored in the drawing file with the identification name.

In the set view processing selection menu of FIG. 5, in order to change and register the view area, select the identification name of the view area to be changed and "change", and the view area selected on the menu is displayed. In contrast, FIG. 7 and FIG.
By changing the view area, the view area is changed and registered. In order to delete a view area with the process selection menu of the set view in FIG. 5, select the identification name of the view area to be deleted and “Delete” on the menu, and the view area corresponding to the selected identification name will be displayed. To be deleted. In order to display the view area in the process selection menu of the set view in FIG. 5, the identification name of the view area to be displayed and "display" are selected on the menu, and the selected identification is displayed as shown in FIG. The view area corresponding to the name is displayed on the screen along with the identification name. When "Display all" is selected in the process selection menu of the set view in FIG. 5, all registered view areas are displayed together with the identification name.

In this way, the view area information registered by the set view is stored in the drawing file database, and the registered view area information is stored in the saved drawing file even if the drawing is saved. To be done.

Next, the get view will be described. As shown in FIG. 10, when "display"-"get view" is selected from the menu on the edit screen of the CAD system similar to that of FIG. 4, a get view process selection menu as shown in FIG. 11 is displayed. In this menu, the identification name of the view area information registered at that time ("Vi
ew 1 ”,“ View 2 ”,“ View 3 ”, etc.) and a process that can be selected in the get view mode, that is,“ execute (update the view of the screen to the designated view area) ”,
“Display (display the state of the view area of the designated registered view area information)” and “display all (display the state of the view area of all view area information)” are displayed.

To enlarge or reduce the view area in the set view processing selection menu of FIG. 11, select the identification name of the view area to be enlarged or reduced and "execute". The view area corresponding to the identified name is enlarged or reduced as a screen view. In order to display the view area in the process selection menu of the set view in FIG. 11, if the identification name of the view area to be displayed and “display” are selected on the menu, the selected identification name is obtained as in FIG. The corresponding view area is displayed on the screen along with the identification name. When "Display all" is selected in the process selection menu of the set view in Fig. 11, all registered view areas are displayed together with the identification name.

Next, the element selection using the view will be described. When selecting a target element in various editing processes, a menu including “in view” and “outside view” is displayed as shown in FIG. When "inside view" or "outside view" is selected from the menu of FIG. 12, a view processing selection menu as shown in FIG. 13 is displayed.

In this menu, the identification name of the view area information registered at that time ("View
1 ”,“ View 2 ”,“ View 3 ”, etc.) and the process that can be selected in the view process of element selection, that is,“ execute (use the designated view area for element selection) ”,“ display (designated registration) "Display the state of the view area of the view area information)" and "Display all (display the state of the view area of all view area information)" are displayed. In this way, when it is desired to use the same view area repeatedly, the view area can be effectively used or reused, and the view area can be processed easily and appropriately.

[0033]

As described above, according to the present invention, the registration of the view area to be enlarged / reduced on the displayed screen is selected when the drawing data is displayed and edited. The view area to be registered is set, the information of the view area is stored in the drawing file, the retrieval of the view area from the drawing file is selected, and the reading of the stored view area information is instructed. By setting the view area by reading the information of the view area from the drawing file and performing a predetermined process on the view area, the view area once set and registered can be repeatedly used easily and effectively. It is possible to provide a drawing display editing method and device which can be easily and simply operated and have excellent operability.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a CAD system incorporating a drawing display / editing apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart illustrating a schematic operation of a set view of the CAD system of FIG.

FIG. 3 is a flowchart for explaining a schematic operation of a get view of the CAD system of FIG.

FIG. 4 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system of FIG.

5 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system of FIG.

FIG. 6 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system of FIG.

7 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system in FIG.

8 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system in FIG.

9 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system in FIG.

10 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system in FIG.

11 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system in FIG.

12 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system in FIG.

13 is a diagram schematically showing a state of a display screen for explaining a schematic operation of the CAD system of FIG.

[Explanation of symbols]

1 ... CAD processing unit, 2 ... Input device, 3 ... Display,
4 ... Output device, 5 ... Storage device, 11 ... Display control unit, 12
... command input section, 13 ... area setting section, 14 ... view storage processing section, 15 ... view reading section, 16 ... view processing section, 17 ... memory, 18 ... write / read control section.

Claims (8)

[Claims] 1. A set view selection step of selecting registration of a view area to be enlarged / reduced on a displayed screen in the process of displaying and editing drawing data, and an area setting of setting a view area to be registered. Step, a view storage step of storing the view area information set in the area setting step in the drawing file, a get view selection step of selecting retrieval of the view area from the drawing file, and a storage in the view storage step A read instructing step for instructing to read the information of the read view area, a view reading step for reading the information of the view area from the drawing file according to the instruction of the read instructing step, and a predetermined read operation for the view area read in the view reading step. And a view processing step for performing the processing of Drawings display editing method is characterized in that. 2. The view storing step includes the step of setting an identification name of the view area to be stored in association with the information of the view area, and the read instructing step identifies the view area to be read and identifies the view area. The drawing display editing method according to claim 1, further comprising a step of using a name. 3. The view processing step is a step of enlarging / reducing display of the read view area.
Alternatively, the drawing display editing method described in 2. 4. The drawing display editing method according to claim 1, wherein the view processing step is a step of using the read view area as an area for selecting an element to be processed. 5. A set view command for registering a view area to be enlarged / reduced on a displayed screen in a drawing display edit processing device for displaying and editing drawing data, and a drawing. Command input means for inputting a command including a get view command for fetching a view area from a file, area setting means for setting a view area to be registered, and the area setting means View storage means for storing the information of the view area in the drawing file, view reading means for reading the information of the view area stored by the view storage means from the drawing file, and read by the view reading means And a view processing unit for performing a predetermined process on the view area. Editing apparatus. 6. The view storage means includes means for setting an identification name of the view area to be stored in association with information of the view area, and the view reading means specifies the view area to be read. 6. The drawing display / editing apparatus according to claim 5, further comprising means for performing by using the identification name of. 7. The drawing display editing apparatus according to claim 5, wherein the view processing means includes means for enlarging / reducing the read view area. 8. The drawing display editing apparatus according to claim 5, wherein the view processing means includes means for using the read view area as an area for selecting a processing target element.