JP2774703B2 - CAD equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[Object of the Invention]

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CAD apparatus for creating and retrieving data such as figures and characters by a computer, and more particularly to an on-screen tablet display for displaying a tablet having a work instruction display section on a display screen. The present invention relates to a CAD apparatus that performs processing.

[0003]

2. Description of the Related Art In recent years, CAD apparatuses have been developed and widely used as means for creating and retrieving data such as figures and characters by a computer. The CAD apparatus basically has a display screen and a display means for displaying data on the display screen, an input means for inputting a work command for designating positions of graphics and characters on the display screen and drawing. Are connected and configured.

In such a CAD apparatus, an assembly drawing,
When creating a layout drawing or the like, the input means extracts some graphic data from other graphic data or similar graphic data, and displays these data in an appropriate combination on the display screen of the display means. Desired assembly drawings, layout drawings, and the like can be easily created.

Further, in recent CAD apparatuses, display processing generally called on-screen tablet display processing is performed. The on-screen tablet display means a work instruction display section (hereinafter referred to as an icon section) on a display screen.
Is displayed on a rectangular board. By performing this processing, the user operates a coordinate pointing device, such as a mouse, which is one of the input means,
By designating the icon portion of the tablet, a work command can be easily input to the CAD device.

Here, an on-screen tablet display process in a conventional CAD device will be specifically described with reference to FIG.

The CAD apparatus shown in FIG. 1 includes a display unit 10 for displaying data such as figures and characters on a display screen, and a board 1.
An on-screen tablet display unit 9 for displaying a tablet 12 having an icon unit 13 on the display unit 4 and a clear unit 15 for clearing data displayed on the display screen are connected. A1, B1, and C in the figure indicate states of data displayed on the display screen at each processing stage.

First, the display means 10 displays the graphic data 11 by one.
Each element is displayed (state of data A). Then, when performing the on-screen tablet display processing, the on-screen tablet display means 9 displays the on-screen tablet 12 on the display screen (the state of the data B1).

When returning from the display screen on which the tablet 12 is displayed to the display screen during drawing before the tablet 12 is displayed, first, the clearing means 15 sets the display screen on which the graphic 11 and the on-screen tablet 12 are displayed. Are all erased (the state of data C). Thereafter, when the display screen is completely cleared, the graphic display means 10 again displays the graphic 11 on the display screen A one element at a time (state of data A).

[0010]

By the way, in the data input / output processing of the CAD device, it is necessary to maintain a constant response speed and take measures to prevent the thinking of the operator. However, the CAD apparatus that performs the above-described on-screen tablet display processing has conventionally had the following problems.

That is, when returning from the screen displaying the tablet to the drawing screen before the tablet is displayed after performing the on-screen tablet display processing, once the entire display screen is completely cleared, the figure under drawing is again displayed. Was displayed.

Therefore, the time required for screen switching is long, and a waiting time is generated. Therefore, the thinking of the worker was interrupted in some cases. In addition, other operations cannot be performed during the screen switching, resulting in a large time loss.

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

As described above, in the case of performing the on-screen tablet display processing in the conventional CAD apparatus, the switching time from the tablet display screen to the screen before the tablet display is long, and further, the entire screen before the tablet display is displayed on the tablet display screen. Therefore, the operability and workability are extremely poor, which has been a problem.

The present invention has been proposed to solve the above-mentioned drawbacks of the prior art, and an object of the present invention is to reduce the time required for switching from a tablet display screen to a screen before tablet display by reducing on-screen display time. It is an object of the present invention to provide a CAD apparatus that speeds up tablet display processing time, clearly grasps the entire original screen even when a tablet is displayed, and improves operability and workability.

[Structure of the Invention]

[0017]

In order to achieve the above object, the present invention provides a display device having a display screen for displaying data such as figures and characters on the display screen, A CAD device comprising: input means for inputting a work command for data position designation and drawing; and on-screen tablet display means for displaying a tablet having a work command display unit on the display screen. Display screen saving means for saving data on the display screen before displaying the tablet by means, a screen displaying the data saved in the display screen saving means,
Display screen switching means for switching between a screen displaying the tablet by the on-screen tablet display means and displaying the screen on the display screen, wherein the tablet has a board portion, and an icon portion which is distributed and arranged on the board portion. Wherein the on-screen tablet display means displays the board portion of the tablet so that data displayed on a display screen before displaying the tablet is visible, and the icon portion is opaquely displayed. And

[0018]

When the operator intends to use the on-screen tablet display processing in the CAD apparatus of the present invention having the above-described configuration, first, the display screen storage means stores the data of the display screen before the tablet is displayed. 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 a work instruction display section on the tablet, and perform data input work.

When the data input operation 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 the data on the display screen. Since the display screen storing means stores the data of the display screen before displaying the tablet, the display screen can be instantaneously returned to the display screen before displaying the tablet. Therefore, the time required for screen switching is extremely short, and there is no waiting time until the next operation is performed.

Further, since the tablet is composed of the board portion and the icon portions distributed on the board portion, the icon portions are arranged at appropriate intervals on the board portion serving as the ground (background) of the tablet portion. Then, only the icon portions that are dispersed and arranged by the on-screen tablet display means are opaque, and the board portion is displayed so that the data displayed on the display screen before the tablet is displayed can be seen through. Therefore, even when the tablet is displayed, the entire screen during drawing can be grasped, and the tablet display does not disturb the drawing operation.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to FIGS. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

FIG. 1 is a block diagram showing the configuration of this embodiment. As shown in the figure, the CAD apparatus of this embodiment is provided with a CPU 1 for controlling the entire apparatus. This CP
A display control unit 3 is connected to U1 as a display unit 10 for displaying data such as figures and characters. The display controller 3 is connected to a CRT display 2 which is a display screen.

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

Further, the CPU 1 is connected to a display screen storage unit 6, a display screen storage unit 7, a display screen switching unit 8, and an on-screen tablet display unit 9. Among them, the display screen storage unit 7 temporarily stores the data displayed on the CRT display 2 in the display screen storage unit 6.
On the other hand, the display screen switching means 8 calls the data stored in the display screen storage unit 6 and displays the data on the CRT display 2. The on-screen tablet display means 9 displays the tablet 12 on the CRT display 2.
To be displayed.

Next, the on-screen tablet display processing in this embodiment having the above-described configuration will be conceptually described. 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 unit 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 processing is performed, the display screen storage unit 7 stores the display screen A as the original screen data D. Thereafter, the tablet 12 is displayed on the data A by the on-screen tablet display means 9 (the state of the data B2). After the input operation on the on-screen tablet display screen is completed, the data D of the original screen stored by the display screen switching means 8
Is displayed on the CRT display 2 (state of data A).

FIG. 3 is a partially enlarged view of the tablet 12 of the data B2 in FIG. As shown in the figure, the board section 14 of the tablet 12 displayed by the on-screen tablet display means 9 is skipped for each bit line and displayed on the CRT display 2. Therefore, the graphic data 11 before displaying the tablet 12 is stored in the icon section 13.
Although the part overlapping with is hidden, it is displayed on the CRT display 2 as graphic data 11a skipped for each bit line.

The operation of the above on-screen tablet display processing will now be described with reference to the flowchart of FIG.

First, in this embodiment, when performing the on-screen tablet display processing, a menu file is selected in advance, and the display request is set. Then, when the on-screen tablet display processing is instructed by the keyboard 4, the display screen storage means 7 is displayed in S (hereinafter abbreviated as S) 0
Thus, the data A currently displayed on the CRT display 2 is temporarily stored in the display screen storage unit 6 as data D.

Next, in step 1, a determination is made as to whether or not a setting for on-screen tablet display is desired, and a menu file corresponding to the setting is opened in step S2.

At S3, the on-screen tablet display means 9 displays the board unit 14 on the CRT display 2.
Is skipped for each bit line and displayed. Further, the icon section 13 is displayed on the board section 14 in S4. At this time, the area of the data 11a that overlaps the icon section 13 becomes invisible.

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

When the coordinates are designated by the coordinate pointing device 5, in S8, the icon portion 13 is obtained from the display area of the tablet stored in S5. When the processing of the designated icon section 13 is completed, the menu file is closed in S9.

Finally, at S10, the display screen switching means 8
Is operated to call the data D stored in the display screen storage unit 6 in S2, and the data A before displaying the tablet 12 is displayed on the CRT display 2.

According to the present embodiment for performing the above-described on-screen tablet display processing, the screen on which the tablet is displayed can be instantaneously returned to the display screen before the tablet is displayed. Therefore, there is no waiting time until the next operation is performed, and the thinking of the worker is not interrupted. In addition, operability was improved without any time loss.

Further, the on-screen tablet display means 9 of this embodiment is provided with the board unit 1 on the CRT display 2.
4 is skipped for each bit row and displayed.
The figure data 11a for each 1-bit row can be seen from the gap.
Therefore, the operator can read the graphic data 1 before displaying the tablet 12.
1 can grasp the whole drawing displayed, and can exhibit excellent work efficiency.

It should be noted that the present invention is not limited to the above-described embodiment, and the shape and color tone of the tablet can be appropriately changed, and the whole drawing can be easily grasped even when the tablet is displayed. It is possible to propose an embodiment in which only the icon portion of the tablet is displayed so that the data before displaying the tablet is not hidden. When the display screen performs color display, it is more effective to set the color of the board portion of the tablet to a color that is inconspicuous in contrast to the data color.

Further, according to the embodiment in which the display screen storing means for storing only the data area invisible by the displayed tablet is provided, the time required to return the display screen to the display screen before displaying the tablet can be further reduced. Therefore, the operability of the on-screen tablet display processing is further enhanced.

[0039]

As described above, according to the present invention, a display screen storing means for storing data on a display screen before displaying a tablet, a screen displaying data stored in the display screen storing means, Display screen switching means for switching between a screen on which the tablet is displayed, the tablet having a board portion, and an icon portion distributed on the board, and the on-screen tablet display means, the board portion of the tablet being a tablet By displaying the data displayed on the display screen before display so that it can be seen, the icon part is opaquely displayed, so that the switching time from the tablet display screen to the screen before tablet display is shortened and the on-screen tablet Speed up display processing time and clearly grasp the entire original screen even when displaying a tablet Bets can be, thereby making it possible to improve the operability and workability.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a CAD apparatus according to the present invention.

FIG. 2 is an explanatory view conceptually showing an on-screen tablet display process of an embodiment according to the CAD apparatus of the present invention.

FIG. 3 is a partially enlarged front view of a display screen of an embodiment according to the CAD apparatus of the present invention.

FIG. 4 is a flowchart of an embodiment according to the CAD apparatus of the present invention.

FIG. 5 is an explanatory view conceptually showing on-screen tablet display processing of a conventional CAD device.

[Explanation of symbols]

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

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G06F 17/50 G06F 3/037 370

Claims (1)

(57) [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 a work instruction for designating a position of data on the display screen and drawing. And a on-screen tablet display means for displaying a tablet having a work instruction display unit on the display screen, wherein the display screen saves data on the display screen before the tablet is displayed by the on-screen tablet display means. Storage means; display screen switching means for switching between a screen displaying data stored in the display screen storage means and a screen displaying the tablet by the on-screen tablet display means and displaying the screen on the display screen. The tablet has a board portion and an icon portion distributed on the board portion, The on-screen tablet display means displays the board portion of the tablet so that data displayed on a display screen before the tablet is displayed, and the icon portion is opaquely displayed. .