JPH04319775A - Cad system - Google Patents

Abstract

PURPOSE:To speed up an on-screen tablet display processing time, to clearly grasp the whole original picture even when a tablet is displayed and to improve the operability and working efficiency of a CAD system by shortening a switching time from a tablet display screen to a screen displayed before the tablet display. CONSTITUTION:A display picture storing means 7, a display picture switching means 8 and an on-screen tablet display means 9 are connected to a CPU 1 in the CAD system. The means 7 temporarily stores data displayed on a CRT display 2 in a display picture storing part 6. The means 8 accesses the data stored in the storing part 6 and displays a picture displaying the data on the display 2. The means 9 skips the contents of a board part 14 every other line and displays a tablet 12 on the display 2.

Description

[Detailed description of the invention]

[Object of the invention]

0002

[Industrial Field of Application] The present invention relates to a CAD device that uses a computer to create and search data such as figures and characters, and particularly relates to an on-screen tablet display that displays a tablet having a work instruction display section on the display screen. This relates to a CAD device that performs processing.

0003

2. Description of the Related Art In recent years, CAD devices have been developed and widely used as means for creating and retrieving data such as figures and characters using computers. This CAD device basically has a display screen, and includes a display means for displaying data on the display screen, and an input means for inputting work instructions for specifying the position of figures and characters on the display screen and for drawing. are connected and configured.

[0004] In such a CAD device, assembly drawings,
When creating a layout drawing, etc., by extracting some graphic data from other graphic data or similar graphic data using an input means, and displaying these data in an appropriate combination on the display screen of a display means. Desired assembly drawings, layout drawings, etc. can be easily created.

Furthermore, recent CAD devices generally perform display processing called on-screen tablet display processing. On-screen tablet display means that a work instruction display area (hereinafter referred to as the icon area) is displayed on the display screen.
The process involves displaying a tablet on a rectangular board. By performing this process, you can operate a coordinate indicating device such as a mouse, which is one of the input means,
By specifying the icon portion of the tablet, work instructions can be easily input into the CAD device.

[0006] Here, on-screen tablet display processing in a conventional CAD device will be specifically explained with reference to FIG.

The CAD device shown in the figure includes a display means 10 for displaying data such as figures and characters on a display screen, and a board 1.
An on-screen tablet display means 9 for displaying a tablet 12 having an icon section 13 on the display screen and a clearing means 15 for clearing data displayed on the display screen are connected. Note that A1, B1, and C in the figure indicate the state of data displayed on the display screen at each processing stage.

First, the display means 10 displays the graphic data 11
Display the display element by element (state of data A). and,
When performing on-screen tablet display processing, the on-screen tablet display means 9 displays the on-screen tablet 12 on the display screen (state of data B1).
.

Furthermore, when returning from the display screen on which the tablet 12 is displayed to the display screen that was being drawn before the tablet 12 was displayed, the clearing means 15 first clears the display screen on which the figure 11 and the on-screen tablet 12 are displayed. (state of data C). Thereafter, when the display screen is completely cleared, the graphic display means 10 again displays the graphic 11 element by element on the display screen A (state of data A).

0010

By the way, in data input/output processing of a CAD device, it is necessary to maintain a constant response speed and take measures that do not interfere with the thinking of the operator. However, CAD devices that perform on-screen tablet display processing as described above have conventionally had the following problems.

In other words, after performing on-screen tablet display processing, when returning from the screen on which the tablet was displayed to the drawing screen before displaying the tablet, the entire display screen must be cleared, and then the figure being drawn should be was displayed.

[0012] Therefore, the time required for screen switching is long, resulting in waiting time. Therefore, the worker's thinking may be interrupted. In addition, it was not possible to perform other tasks while switching screens, resulting in a large loss of time.

Furthermore, since the tablet is displayed on the display screen, it is difficult to grasp the entire drawing on the screen before the tablet is displayed. Therefore, it has been difficult to accurately specify the icon portion of the tablet, which has been an obstacle to drawing work.

As described above, when performing on-screen tablet display processing in a conventional CAD device, it takes a long time to switch from the tablet display screen to the screen before the tablet display, and furthermore, on the tablet display screen, the entire screen before the tablet display is Because it was difficult to grasp the information, the operability and workability were extremely poor, which was a problem.

The present invention was proposed in order to solve the above-mentioned drawbacks of the prior art, and its purpose is to shorten the time required to switch from the tablet display screen to the screen before the tablet display, thereby reducing the on-screen display. It is an object of the present invention to provide a CAD device that speeds up tablet display processing time, clearly grasps the entire original screen even when a tablet is displayed, and improves operability and workability.

[Configuration of the invention]

[0017]

[Means for Solving the Problems] In order to achieve the above objects, the present invention provides a display means having a display screen and displaying data such as figures and characters on the display screen; In a CAD device, the on-screen tablet is equipped with an input means for inputting a work command for specifying the position of data and drawing, and an on-screen tablet display means for displaying a tablet having a work command display section on the display screen. a display screen storage means for storing data on a display screen before being displayed on the tablet by the display means; a screen displaying the data stored in the display screen storage means; and a screen displaying the tablet by the on-screen tablet display means. and display screen switching means for switching and displaying on the display screen.

Furthermore, in the CAD apparatus of the present invention, the on-screen tablet display means displays the tablet so that the data displayed on the display screen before displaying the tablet can be seen.

[0019]

[Operation] In the CAD apparatus of the present invention having the above-described configuration, when an operator wishes to use on-screen tablet display processing, the display screen storage means first saves the data on the display screen before displaying on the tablet. Next, the on-screen tablet display means displays the tablet on the display screen. Then, the input means operates on the tablet display screen to specify the work instruction display section on the tablet and perform data input work.

When the data input work on the tablet display screen is completed, the display screen switching means switches from the tablet display screen to the screen displaying the data stored in the display screen storage means and displays it on the display screen. Since the display screen storage means stores the data of the display screen before displaying on the tablet, it is possible to instantly return the display screen to the display screen before displaying on the tablet. Therefore, the time required for screen switching is extremely short, and there is no waiting time before moving on to the next operation.

Furthermore, in the CAD device of the present invention, the on-screen tablet display means can display the tablet so that the data displayed on the display screen before displaying the tablet can be seen. You can understand the whole picture, and the tablet display does not interfere with your drawing work.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to FIGS. 1 to 4. Components that are the same as those in the conventional example are given the same reference numerals, and their explanation will be omitted.

FIG. 1 is a block diagram showing the configuration of this embodiment. As shown in the figure, the CAD device of this embodiment is provided with a CPU 1 that controls the entire device. This CP
A display control unit 3 is connected to U1 as a display means 10 for data such as figures and characters. A CRT display 2 serving as a display screen is connected to the display control section 3.

The CPU 1 also has a keyboard 4 for inputting work commands for drawing, and a coordinate instruction device such as a mouse for specifying the coordinates of data input from the keyboard 4, as means for inputting data such as figures and characters. Device 5 is connected.

Furthermore, a display screen storage section 6, a storage display screen storage section 7, a display screen switching section 8, and an on-screen tablet display section 9 are connected to the CPU 1. Among these, the display screen storage means 7 temporarily stores the data displayed on the CRT display 2 in the display screen storage section 6. On the other hand, the display screen switching means 8 includes the display screen storage section 6.
Recall the data saved in the CRT
Display on display 2. Further, the on-screen tablet display means 9 displays the tablet 12 on the CRT display 2.

Next, on-screen tablet display processing in this embodiment having the above-described configuration will be conceptually explained. Note that A and B2 in the figure are data displayed on the CRT display 2 in FIG. 1, and D is data stored in the display screen storage section 6.

As shown in FIG. 2, first, the display means 10 displays the graphic data 11 element by element (state of data A). Then, before the on-screen tablet display process is performed, the display screen storage means 7 stores the display screen A as the original screen data D. After this, the tablet 1 is displayed on the data A by the on-screen tablet display means 9.
2 is displayed (state of data B2). After completing the input work on the on-screen tablet display screen, the display screen switching means 8 calls up the saved original screen data D and displays it on the CRT display 2 (
state of data A).

By the way, FIG. 3 is a partially enlarged view of the tablet 12 of data B2 in FIG. As shown in the figure, the board portion 14 of the tablet 12 displayed by the on-screen tablet display means 9 is displayed on the CRT display 2 by skipping every bit row. Therefore, the graphic data 11 before being displayed on the tablet 12 is stored in the icon section 13.
Although the overlapping portion is hidden, it is displayed on the CRT display 2 as graphic data 11a skipped by one bit row by row.

Next, the operation of the on-screen tablet display processing as described above will be explained according to the flowchart of FIG.

First, in this embodiment, when performing on-screen tablet display processing, a menu file is selected in advance and display preferences are set. Then, when on-screen tablet display processing is instructed using the keyboard 4, the display screen storage means 7
The data A currently displayed on the CRT display 2 is temporarily stored as data D in the display screen storage section 6.

Next, in step 1, the setting state, such as whether or not on-screen tablet display is desired, is determined, and in step S2, a menu file matching the setting state is opened.

Then, in S3, the on-screen tablet display means 9 displays the board section 14 on the CRT display 2.
is displayed by skipping each bit row by row. Further, in S4, the icon section 13 is displayed on the board section 14. At this time, the area of the data 11a that overlaps with the icon portion 13 becomes invisible.

Next, in S5, the display area of the tablet 12 displayed on the CRT display 2 is stored. Further, in S6, it is determined whether or not there is a key input on the keyboard 4, and if there is a key input, the on-screen tablet display is ended. On the other hand, if there is no key input, the coordinate designation device 5 waits for coordinate designation input.

[0034] When the coordinate designation device 5 inputs the coordinate designation, in S8, the icon portion 13 is determined from the display area of the tablet stored in the previous S5. When the processing of the designated icon section 13 is completed, the menu file is closed in S9.

Finally, in S10, the display screen switching means 8
is operated to call up the data D stored in the display screen storage section 6 in the previous step S2, and display the data A before being displayed on the tablet 12 on the CRT display 2.

According to this embodiment, which performs the on-screen tablet display processing as described above, the screen on which the tablet is displayed can be instantly returned to the display screen before the tablet was displayed. Therefore, there is no waiting time before proceeding to the next operation, and the operator's thinking is not interrupted. In addition, there was no time loss and operability was improved.

Furthermore, the on-screen tablet display means 9 of this embodiment has a board section 1 on the CRT display 2.
In order to display 4 by skipping each bit row, the board section 14
Graphic data 11a for each 1-bit row can be seen through the gap. Therefore, the operator must read the graphic data 1 before displaying on the tablet 12.
It is possible to understand the entire drawing displayed by 1, and it is possible to demonstrate excellent work efficiency.

It should be noted that the present invention is not limited to the embodiments described above, and the shape and color tone of the tablet can be changed as appropriate. , it is possible to propose an embodiment in which only the icon part of the tablet is displayed so that the data before being displayed on the tablet is not hidden. Furthermore, when the display screen displays in color, it is more effective to set the color of the board portion of the tablet to an inconspicuous color in contrast to the color of the data.

[0039] Furthermore, according to the embodiment in which display screen storage means is provided for saving only the data area that becomes invisible due to the displayed tablet, the time required to return the display screen to the display screen before displaying on the tablet can be further shortened. , further improves the operability of on-screen tablet display processing.

[0040]

[Effects of the Invention] As described above, according to the present invention, there is provided a display screen storage means for storing data on a display screen before displaying on a tablet, a screen displaying data stored in the display screen storage means, By comprising a display screen switching means for switching between the screen displaying the tablet and the screen displaying the tablet, it is possible to shorten the switching time from the tablet display screen to the screen before displaying the tablet and speed up the on-screen tablet display processing time. , even when displayed on a tablet, the entire original screen can be clearly grasped, thereby improving operability and workability.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of a CAD device of the present invention.

FIG. 2 is an explanatory diagram conceptually showing on-screen tablet display processing of an embodiment of the CAD device of the present invention.

[Fig. 3] A partially enlarged front view of a display screen of an embodiment of the CAD device of the present invention.

FIG. 4 is a flowchart of an embodiment of the CAD device of the present invention.

[Fig. 5] An explanatory diagram conceptually showing on-screen tablet display processing of a conventional CAD device.

[Explanation of symbols]

1...CPU 2...CRT display 3 Display control section 4 Keyboard 5 Coordinate indicating device 6 Display screen storage section 7 Display screen storage means 8 Display screen switching means 9 On-screen tablet display means 11, 11a Shape data 12 Tablet 13 Icon section 14 Board part A, B1, B2, C, D, data

Claims (2)

[Claims] 1. Display means having a display screen and displaying data such as figures and characters on the display screen, and input means for inputting work instructions for specifying the position of data on the display screen and drawing. and an on-screen tablet display means for displaying a tablet having a work instruction display section on the display screen, a display screen storage for saving data on the display screen before the tablet is displayed by the on-screen tablet display means. and display screen switching means for switching between a screen displaying data stored in the display screen storage means and a screen displaying a tablet by the on-screen tablet display means and displaying the data on the display screen. Characteristic C
AD device. 2. The CAD apparatus according to claim 1, wherein the on-screen tablet display means displays the tablet so that data displayed on the display screen before displaying the tablet can be seen.