JPH05266103A - Cad system - Google Patents

Abstract

PURPOSE:To obtain the CAD system which enables a designer to refer to a work part of a drawing when carrying on designing operation. CONSTITUTION:This system is equipped with a memory 5 as a means for storing the display state of the work part of the drawing at the point of time when the designer performs operation last when the designer performs various designing operation by using the CAD system; and the display state of the work part of the drawing stored in the memory 5 is called by a calling means and then immediately referred to, and the continuous operation can be carried on. Therefore, the continuity of the operation that the operator performs is increased to improve operation efficiency.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a CAD that supports the creation (drafting) of drawings, for example, when designing machines.
(Computer aided design) system.

[0002]

2. Description of the Related Art FIG. 4 is a perspective view showing an apparatus of a conventional CAD system. In the figure, 1 is a CRT such as a display, 2 is a CPU (central processing unit) that controls the entire system, 3 is a keyboard for inputting numbers and characters, and 4 is C.
This is a mouse for inputting x, y coordinates of an arbitrary position on the screen of RT1.

Next, the operation of the conventional CAD system shown in FIG. 4 will be described. With respect to the drawing displayed on the screen of the CRT1, by the numbers and characters input from the keyboard 3, the x and y coordinates of an arbitrary position on the screen of the CRT1 input by the mouse, and the function of controlling the entire system by the CPU2, Various design work for drawings is performed.

Generally, in a CAD system, when various design work is performed, a plurality of drawings may be referenced and changed at the same time, and the design work may be performed for a long period of time. With respect to the work portion in the drawings, it was troublesome to search the work portion every time the drawings were switched.

[0005]

SUMMARY OF THE INVENTION Conventional CAD described above
Since the system is configured as described above, when a designer handles various drawings simultaneously or sequentially to perform various design work, the design work is performed without considering the work part of the drawing. Therefore, when the designer wants to refer to another drawing or another portion of the drawing, it is necessary to search the working portion of the drawing in order to continue the work of the design work. As a result, there are problems that the work for performing the design work requires a great deal of work and the work efficiency is poor.

The present invention has been made in order to solve the above problems, and obtains a CAD system in which a designer can immediately refer to a working portion of a drawing when a designer continues to carry out design work. The purpose is to

[0007]

CAD according to the present invention
When the designer performs various design work, the system remembers the display state of the working portion of the drawing at the time when the designer last worked, and can immediately call the stored display state of the working portion of the drawing. It is the one.

[0008]

Since the CAD system according to the present invention stores the display state of the work portion of the drawing at the time when the designer last worked, the designer can easily call the stored work portion of the drawing. The work portion of the drawing can be displayed on the screen, which enables efficient continuous work.

[0009]

【Example】

Example 1. Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a CAD system which is a first embodiment of the present invention. In the figure, 1 is a CRT such as a display, 2 is a CRU (central processing unit) that controls the entire system, 3 is a keyboard for inputting numbers and characters, and 4 is an x, y coordinate at an arbitrary position on the screen of the CRT 1. A mouse 5 is a memory for storing drawing data and a display state, and 6 is an external storage device such as a hard disk in which drawings are stored.

2 and 3 are flowcharts showing the operation of the CAD system according to the first embodiment of the present invention. That is, FIG. 2 is a flowchart showing a process when reading the drawing data from the external storage device 6 into the memory 5, and FIG. 3 is a flowchart showing a process when editing the read drawing data. In the figure, 7 to 20 are steps showing a processing process.

Next, the first embodiment of the present invention shown in FIG.
The operation of the CAD system according to the embodiment will be described with reference to the flowcharts shown in FIGS.
As shown in the flowchart of FIG. 2, when the read command is activated, the processing is started (step 7),
The drawing data is read (step 8). Next, the display data included in the drawing data is set as the display data (step 9). A drawing is displayed based on the set display data (step 10), and after the drawing is displayed, the process is terminated (step 11).

Next, as shown in the flowchart of FIG. 3, the process is started by the user executing some command (step 12). It is checked whether the command involves changing the drawing data (step 13), and if it is a command for changing the drawing data, the display data of the display state at that time is stored (step 14). If the command does not change the drawing data, it is checked whether or not the command calls the display data at the time of the last change (step 15), and if so, the stored display data is stored. Is set as display data (step 16), and the drawing is displayed based on the set display data (step 1).
7). If not, it is checked whether or not it is a command to end the process (step 18). If it is, the end process is performed (step 20). If it is not the command to end the process, The process corresponding to the command is executed (step 19), the process returns to the first process, and the next command is accepted.

As described above, in the CAD system according to the first embodiment of the present invention, the designer is stored because the display state of the working portion of the drawing at the time when the designer last worked is stored. Since the work portion of the drawing can be referred to immediately by calling the work portion of the drawing, the continuity of the work can be improved and the work efficiency can be improved.

[0014]

As described above, according to the CAD system of the present invention, when the designer performs various design work, the display state of the working portion of the drawing at the time when the designer last worked is stored. At the same time, since the display state of the stored work portion of the drawing can be immediately called up, there is an excellent effect that the continuity of the work performed by the designer can be improved and the work efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a CAD system that is a first embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the CAD system according to the first embodiment of the present invention.

FIG. 3 is a flowchart showing the operation of the CAD system according to the first embodiment of the present invention.

FIG. 4 is a perspective view showing a device of a conventional CAD system.

[Explanation of symbols]

 1 CRT (display) 2 CPU (central processing unit) 3 keyboard 4 mouse 5 memory 6 external storage device 7 to 20 steps

Claims (1)

[Claims] 1. A CAD system in which a designer handles a plurality of drawings simultaneously or sequentially to perform various design work, and means for storing the display state of the final reference position of the drawings at the last work point, A CAD system comprising means for calling a display state of a final reference position of the drawing when the drawing is referred to.