JP2943903B2 - CAD equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CAD apparatus having an improved scroll function of an image displayed on a display screen.

[0002]

2. Description of the Related Art FIG. 8 is a block diagram showing a configuration of a conventional CAD apparatus. In the figure, reference numeral 1 denotes an operating system that defines basic functions as a CAD device,
Reference numeral 2 denotes a control module (control means) for managing a group of programs constituting the CAD apparatus, 3 a system control file from which information for controlling a system as the CAD apparatus is read, and 4 an input module (graphics) for providing an input procedure to an operator. Information input means), 5 is an input interpretation module for interpreting input information, 6 is an input module 4, an input interpretation module 5, a command control file for instructing the control module 2 on command grammar, 7 is display information and display state. A display module (output means) for managing, 8 is a display control file from which information for performing display control is read, 9 is a command module for reading a processing program according to the command, and 9a and 9b are command programs corresponding to the command ( Graphic processing operation means).

[0003] Reference numeral 10 denotes a database operation module that manages the database 11 and manages usage of the database 11, reference numeral 12 denotes an external system interface that exchanges information with an external system, and reference numeral 13 denotes a CAD according to a created macro program 14. A macro module for controlling the execution of a system as a device; 15 a data exchange utility for exchanging information with another system;
16 outputs the information such as drawings and graphics processing mentioned FIG utility (output means), 17 is a graphic processing library (graphic processing operation unit).

Reference numeral 18 denotes a display device (output means), 1
Reference numeral 9 denotes a keyboard for input operation (instruction input means), reference numeral 20 denotes a tablet device (graphic information input means), and reference numeral 21 denotes a mouse (graphic information input means).

Next, the operation will be described. FIG. 9 shows this C
9 is a flowchart illustrating a scroll process when an AD device scrolls an image displayed on a screen of a display device. According to this flowchart, the operator operates the mouse 21 and the database 1
1 is selected (step ST).
1). Next, the control module 2 reads the selected CAD diagram from the database 11 via the database operation module 10 and displays it on the display device 18 by the display module 7 (step ST2). At this point, the operator operates the mouse 21 to display “up”, “down”, “right”,
A direction display image indicating the direction of "left" screen movement (scroll) is selected (step ST3). When this direction display image is selected, the control module 2 deletes the CAD diagram once displayed on the screen (step ST4), and thereafter, displays the CAD diagram displayed in the selected direction in a fixed manner. The drawing obtained when the object is moved a distance is displayed again on the display screen (step ST5, step S5).
T6).

[0006]

Since the conventional CAD apparatus is configured as described above, when a drawing in a range that is not displayed on the display screen is redisplayed, the drawing previously displayed is different from the drawing that has been displayed. However, it is not easy to confirm the relationship between the drawings, and it is difficult to confirm how the currently displayed drawing is connected to the previously displayed drawing.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has been disclosed on a display device.
The scroll direction of the image is specified.
When a speed is selected, the operator
C that can easily recognize the direction and speed at which
It is intended to obtain an AD device.

[0008]

According to the present invention, there is provided a CAD apparatus for scrolling an image displayed on a display device.
Scroll direction to specify the direction to perform within 360 degrees
The designation means and the image displayed on the display device
Scroll speed selection means for selecting the speed when rolling, and the direction specified by the scroll direction specification means
At the speed selected by the scroll selection means,
Scroll the images displayed on the display device continuously.
And scrolling means for Le, the direction designated to scroll the image displayed on the display device, when the speed of scrolling is selected, a length corresponding to the scroll speed are both selected when facing the designated scrolling direction An arrow with a symbol on the screen of the display device
And a scroll state display means .

[0009]

The display device is provided by the scroll direction designating means.
The direction in which the image displayed on the screen is scrolled is specified.
Speed when scrolling by scroll speed selection means
Is selected and the image is scrolled by the scrolling means.
When the scroll direction is specified
Arrow with a length corresponding to the selected scroll speed
Is displayed on the display screen by the scroll status display means.
Displayed on the screen, the operator can actually scroll
It is easy to recognize the direction and speed
Wear.

[0010]

[Embodiment 1] Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG.
FIG. 1 is a block diagram showing a configuration of a CAD apparatus according to this embodiment. In FIG. 1, the same or corresponding parts as those in FIG. 8 are denoted by the same reference numerals, and description thereof will be omitted. In the figure, 31
Is a command program for scroll direction designation (scroll direction designation means) for designating a scroll direction in the designated direction when the scroll direction is designated by the operator, and 32 is designated by a command program for designation of scroll direction. A scroll command program (scroll means) for scrolling the CAD diagram displayed on the display device 18 in the scroll direction at a predetermined speed. In this embodiment, any one of the selected command programs is executed by executing the command program 32. The currently displayed CAD diagram is scrolled at a constant speed in the scroll direction.

FIG. 2 is a flowchart showing the operation of scroll processing in the CAD apparatus of this embodiment.
Is selected (step ST1),
The selected CAD diagram is displayed on the screen of the display device 18 (step ST2). At this time, a smooth scroll selection display image for selecting “smooth scroll” is displayed on the screen of the display device 18 together with the selected CAD diagram. The operator selects this smooth scroll selection display image with a mouse (step ST3). Then, the command program 31 for specifying the scroll direction is activated, and a message prompting selection of the scroll direction is displayed (step ST).
4).

In this case, an image indicating the direction of scrolling for selection by the mouse 21 is displayed on the display device 18.
Will be displayed on the screen. This image is, for example, a character indicating a scroll direction or an arrow indicating a 360-degree direction.
By selecting with 1, it is possible to select the scroll direction.

According to the message displayed in step ST4, the operator instructs the scroll direction and inputs information indicating the scroll direction by operating the mouse (step ST5). The control module 2 takes in the information indicating the input scrolling direction (step ST6). Then, the control module 2 starts the command program 32 based on the input information indicating the scrolling direction, and scrolls the CAD diagram currently displayed on the screen of the display device 18 at a constant speed in the specified direction. (Step ST7).

The scrolling speed in this case is such that the contents of the CAD diagram being scrolled on the screen of the display device 18 can be recognized by the operator. As a method of scrolling in the designated direction in this case, a program for executing scrolling in the horizontal / vertical directions is used, and those programs are converted into a horizontal line or a vertical line in the designated direction. A method of alternately or simultaneously activating them at a rate corresponding to the angle, or a method of directly scrolling in the direction from the angle may be considered, but another method may be used.

Embodiment 2 FIG. Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. FIG.
5 is a flowchart showing the operation of scroll processing in the CAD device of this embodiment. In FIG. 3, the same processing steps as those in FIG. In the scroll processing of this embodiment, the mouse 2
1. Click a point on the screen by step 1 (step ST1).
1) Then, click another point on the screen (step S
T12) With the direction of the vector determined by the two clicked points as the scroll direction, the CAD diagram is scrolled at a constant speed in that direction.

Embodiment 3 FIG. Hereinafter, a third embodiment of the present invention will be described with reference to the drawings. The configuration of the CAD apparatus of this embodiment is the same as the configuration of the CAD apparatus shown in FIG. 1, except that a command program for selecting a speed when scrolling the CAD diagram displayed on the display device 18 (scroll speed selecting means) ) 33.

FIG. 4 is a flowchart showing the operation of scroll processing in the CAD apparatus of this embodiment. 4, the same processing steps as those in FIG. 2 are denoted by the same reference numerals, and description thereof will be omitted. In the scroll processing of this embodiment, not only scrolling is performed in any of the selected directions, but also the scroll speed can be selected by activating the command program 33 for speed selection at the time of scrolling. In the processing block of step ST8, the scroll speed is selected by the mouse 21.

In this case, a scroll speed display image indicating the scroll speed for selection by the mouse 21 is displayed on the screen of the display device 18. This image shows, for example, a numerical string indicating a scroll speed or a scroll speed continuously from zero to a predetermined scroll speed in a bar graph or the like, and selects a desired position of the bar graph by clicking with a mouse, or This is a graphic image such as selecting the scroll speed by operating the length of the bar graph with a mouse.

Therefore, in this embodiment, when the CAD diagram in the screen of the display device 18 is scrolled near the area of the CAD diagram to be watched, the operator sets the scroll speed to zero or low at that position. At this time, it is possible to reliably check the CAD diagram displayed on the screen of the display device 18.

Embodiment 4 FIG. Hereinafter, a fourth embodiment of the present invention will be described with reference to the drawings. The configuration of the CAD device of this embodiment is the same as the configuration of the CAD device shown in FIG. 1, but when an arbitrary point on the screen of the display device 18 is designated by operating the mouse 21 , the designated device is designated. One point and the mouse 21 from one point
A scroll speed selection command program (scroll speed selection means) 34 for scrolling the image displayed on the display device 18 at a speed corresponding to the distance the cursor has moved.

FIG. 5 is a flowchart showing the operation of scroll processing in the CAD apparatus of this embodiment. 5, the same processing steps as those in FIGS. 2 and 4 are denoted by the same reference numerals, and description thereof will be omitted. In the scroll processing of this embodiment, the mouse 2 is selected in step ST11.
After clicking a point on the screen by step 1, the cursor of the mouse 21 is moved in the direction of scrolling from that position (step ST16). And mouse 2 at that time
The scroll direction and the scroll speed are calculated from the direction and magnitude of the vector determined by the position of the cursor 1 and the point on the screen that was first clicked in step ST11 (step ST17), and the scroll is performed in the calculated scroll direction. Scroll at a speed (step ST18).

Embodiment 5 FIG. Hereinafter, a fifth embodiment of the present invention will be described with reference to the drawings. The configuration of the CAD device of this embodiment is the same as the configuration of the CAD device shown in FIG. 1, but when an arbitrary point on the screen of the display device 18 is designated by operating the mouse 21, the designated device is designated. A command program (scroll speed selection means) 35 for selecting a scroll speed for scrolling the image displayed on the display device 18 according to the distance between one point and the center of the screen of the display device is provided.

FIG. 6 is a flowchart showing the operation of scroll processing in the CAD apparatus of this embodiment. 6, the same processing steps as those in FIGS. 2 and 5 are denoted by the same reference numerals, and description thereof will be omitted. In the scroll processing of this embodiment, the mouse 2 is selected in step ST11.
When a point on the screen is clicked in step 1, the scroll direction and the scroll speed are determined from the vector direction and magnitude determined by the coordinates of the center of the screen of the display device 18 and the coordinates of the clicked point on the screen. It is determined (step ST19).

Embodiment 6 FIG. Hereinafter, a fifth embodiment of the present invention will be described with reference to the drawings. FIG.
5 is a flowchart showing the operation of scroll processing in the CAD device of this embodiment. 7, the same reference numerals are given to the same processing steps as those in FIG. In the scroll processing of this embodiment, after executing the processing from step ST11 to step ST18 as described in the fourth embodiment, the next step S
At T20, an arrow pointing in the direction of the currently executed scroll and having a length corresponding to the speed of the currently executed scroll is displayed at a predetermined position on the screen of the display device 18 (step ST20).

Therefore, according to this embodiment, the direction and speed of the scroll currently being executed are displayed on the screen by intuitive symbols such as arrows.
The scroll state can be intuitively and easily understood by the operator.

[0026]

As described above, according to the present invention, the screen
Roll direction designating means, scroll speed selecting means,
A crawl unit and a scroll state display unit.
The scroll direction designating means.
The scroll direction of the image displayed on the spray device is
Scroll by the scroll speed selection means
The speed at which the image is to be scrolled
When scrolling, the specified scroll direction is
And the length corresponding to the selected scroll speed.
Arrow on the display by the scroll state display means.
Is displayed on the screen of
Easily recognize the direction and speed at which the roll is running
This has the effect of being able to

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a CAD apparatus according to a first embodiment of the present invention.

FIG. 2 is a flowchart illustrating an operation of a scroll process in the CAD device according to the first embodiment of the present invention.

FIG. 3 is a flowchart illustrating an operation of a scroll process in the CAD apparatus according to the second embodiment of the present invention.

FIG. 4 is a flowchart illustrating an operation of scroll processing in a CAD device according to a third embodiment of the present invention.

FIG. 5 is a flowchart illustrating an operation of scroll processing in a CAD device according to a fourth embodiment of the present invention.

FIG. 6 is a flowchart illustrating an operation of a scroll process in a CAD device according to a fifth embodiment of the present invention.

FIG. 7 is a flowchart illustrating an operation of scroll processing in a CAD device according to a sixth embodiment of the present invention.

FIG. 8 is a block diagram showing a configuration of a conventional CAD device.

FIG. 9 is a flowchart showing a scroll process when scrolling an image displayed on a screen of a display device in a conventional CAD device.

[Explanation of symbols]

2 control module (control means), 4 input module (graphic information input means), 7 display module (output means), 9a, 9b command program (graphic processing operation means), 11 database, 16 drawing utility (output means), 17 graphic processing library (graphic processing calculation means), 18 display device (output means), 1
9 keyboard (instruction input means), 20 tablet device (graphic information input means), 21 mouse (graphic information input means), 31 command program (scroll direction designation means), 32 command program (scroll means), 33, 34, 35 Command program (scroll speed selection means).

Continuation of front page (58) Field surveyed (Int. Cl. ⁶ , DB name) G06F 3/00, 3/02, 3/14

Claims (1)

(57) [Claims] 1. Graphic information input for inputting necessary graphic information
Means and instruction input means for inputting instructions from an operator
And graphic processing functions that perform graphic processing and
Calculation means, database storing necessary data, and number
Display value data, graphic data, etc. on the display device
Output means for inputting or drawing and outputting to a printing device;
Information input means, instruction input means, figure processing operation means, data
Control means for controlling the database, output means, etc.,
Various designs using data processing and graphic processing by computer
In the CAD device to be performed,Scroll the image displayed on the display device
Scroll direction finger to specify the direction of rotation within 360 degrees
Setting means, The image displayed on the display device is scrolled.
When Scroll speed selection means for selecting a speed;In the direction designated by the scroll direction designation means,
Continuous at the speed selected by the scroll selection means
Scroll the image displayed on the display device
To Scroll means;Scroll the image displayed on the display device
Direction is specified, and the scroll speed is selected.
In the specified scroll direction and
Arrow having a length corresponding to the selected scroll speed
Scrolling to display a mark on the screen of the display device
Status display means CAD equipment characterized by having
Place.