JP2000181938A - Cad system and program recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently execute editing due to plural persons in charge by separately managing and respectively independently editing child drawings and a parent drawing when handling the parent drawing composed of plural child drawings. SOLUTION: In a CAD system 1, the parent drawing is managed by a parent drawing information managing means 11 and the child drawings are managed by a child drawing information managing means 10 so that the drawings can be respectively independently managed. Then, an editing means 12 performs processing for respectively independently editing the child drawings managed by the child drawing information managing means 10 and the parent drawing managed by the parent drawing information managing means 11. Further, the editing means 12 performs processing for editing the child drawings managed by the child drawing information managing means 10 by displaying the child drawing, which is managed by the child drawing information managing means 10, to be linked with the parent drawing on the parent drawing at the time of displaying that parent drawing and by editing that displayed child drawing. Thus, when plural persons are in charge of editing, that editing can be efficiently executed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a C for editing drawings.
The present invention relates to an AD device and a program recording medium in which a program used to realize the CAD device is stored.
The present invention relates to a parent drawing composed of a plurality of child drawings and a CAD device suitable for editing the child drawings, and a program recording medium storing a program used for realizing the CAD device.

[0002] When editing a drawing of a large system using a CAD device, a plurality of persons are involved in editing a drawing in charge of the person. From now on, the necessity of constructing a CAD apparatus suitable for such an editing mode has been raised.

[0003]

2. Description of the Related Art In some cases, a parent drawing composed of a plurality of child drawings is edited, such as editing a unit drawing composed of a plurality of component drawings.

In a conventional CAD apparatus, in such a case,
A configuration is adopted in which only the child drawings are managed, and the parent drawings are indirectly managed by managing the link information to the child drawings without directly managing the parent drawings.

[0005]

However, according to such a conventional technique, various inconveniences arise when an editing form is adopted in which a plurality of persons edit their own drawings.

For example, if a person in charge edits a child drawing, there is a disadvantage that even if the approval of the person in charge is not obtained, the approval is directly reflected in the parent drawing. Further, if a child drawing file is taken out to another CAD apparatus, there is a disadvantage that the parent drawing cannot be displayed.

Further, according to such a conventional technique, since the parent drawing manages only the link information,
There is also a disadvantage that the child drawing cannot be edited on the parent drawing.

The present invention has been made in view of such circumstances, and provides a new CAD apparatus suitable for editing a parent drawing including a plurality of child drawings and those child drawings. It is an object of the present invention to provide a new program recording medium in which a program used to realize a CAD device is stored.

[0009]

FIG. 1 shows the principle configuration of the present invention.

In the figure, reference numeral 1 denotes a CAD device equipped with the present invention, which edits a parent drawing composed of a plurality of child drawings and their child drawings, and 2 denotes a terminal provided in the CAD device 1. And functions as a means of dialogue with the user.

The CAD apparatus 1 of the present invention comprises a child drawing information management means 10, a parent drawing information management means 11, an editing means 12
, Registration means 13, comparison display means 14, copying means 1
5 is provided.

The child drawing information management means 10 manages child drawings. The parent drawing information management means 11 manages the parent drawing and also manages link information to the child drawings managed by the child drawing information management means 10 constituting the parent drawing.

The editing means 12 interacts with the terminal 2 to independently edit the child drawing managed by the child drawing information managing means 10 and the parent drawing managed by the parent drawing information managing means 11. The registration unit 13 is developed in, for example, the editing unit 12 and registers the child drawing in the child drawing information management unit 10. The comparison display means 14 is developed in, for example, the editing means 12 and displays the child drawings constituting the parent drawing and the child drawings managed by the child drawing information management means 10 linked thereto, while comparing them. The copying means 15 copies part or all of one of the child drawings displayed by the comparison display means 14 to the other child drawing.

Here, the functions of the CAD apparatus 1 of the present invention are specifically realized by a program, which is stored on a floppy disk or the like, or stored on a disk such as a server. The present invention is realized by being installed in the CAD apparatus 1 and operating on the memory.

The CAD apparatus 1 of the present invention configured as described above manages the link relationship between the parent drawing and the child drawing, but does not employ a configuration in which the child drawing is shared and managed. Is managed by the parent drawing information management means 11 and the child drawings are managed by the child drawing information management means 10, such that the parent drawing and the child drawings are managed independently.

In accordance with the management configuration, the editing unit 12 performs a process of independently editing the child drawing managed by the child drawing information management unit 10 and the parent drawing managed by the parent drawing information management unit 11. Do.

Further, when displaying the parent drawing, the editing means 12 displays the child drawing managed by the child drawing information management means 10 linked to the parent drawing on the parent drawing, and displays the displayed child drawing. By editing the child drawing information management means 10
Performs the process of editing the child drawing managed by. At this time, the editing means 12 may preferably display the parent drawing and the child drawing to be edited displayed thereon in a form that can be distinguished.

When adopting this configuration, the registration means 13
A child drawing to be processed is selected from the parent drawings, and processing for registering the selected child drawing in the child drawing information management means while specifying the coordinate system information of the selected child drawing is performed.

Further, the comparison display means 14 selects a child drawing to be processed from the parent drawings and specifies a child drawing managed by the child drawing information management means 10 linked to the selected child drawing. Then, a process of displaying the selected child drawing while comparing it with the specified child drawing is performed. At this time, the comparison display means 14 may preferably display the two child drawings in a form that clearly indicates the difference between the two child drawings.

The copying means 15 is provided with a contrast display means 14.
By copying a part or all of one of the child drawings displayed by the parent drawing information management means 11, the parent drawing managed by the parent drawing information management means 11 can be edited,
Performs the process of editing the child drawing managed by.

As described above, in the CAD apparatus 1 of the present invention,
When handling a parent drawing composed of a plurality of child drawings, the child drawing is managed by the child drawing, and the parent drawing has a function of being managed by the parent drawing, and has a function of enabling independent editing. It has the function of enabling editing of child drawings on the parent drawing, the function of displaying the child drawing of the parent drawing and the child drawing associated with it, and the function of displaying part or all of the child drawing. It has the function of copying to the child drawing of the parent drawing, or copying part or all of the child drawing of the parent drawing to the child drawing.

With these functions, according to the present invention, when a parent drawing composed of a plurality of child drawings and those child drawings are edited, a plurality of persons involved in editing work. Sometimes a CA that can efficiently realize the editing work
D device can be constructed.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail according to embodiments.

FIG. 2 shows an embodiment of the CAD apparatus 1 according to the present invention.

The CAD apparatus 1 of the present invention according to this embodiment
Is a drawing editing program 100 that is installed via a floppy disk or a line and executes a drawing editing process, a child drawing information file 200 that manages information of child drawings, and a parent drawing that manages information of a parent drawing. An information file 300 and a work memory 400 prepared for work of the drawing editing program 100 are provided.

FIG. 3 shows an embodiment of the file data of the parent drawing information file 300, and FIG.
7 shows an embodiment of the file data No. 00.

As shown in FIG. 3, the parent drawing information file 300 includes graphic information of each graphic described in the parent drawing and attributes of a graphic group (corresponding to the child drawing) constituted by a set of those graphics. Manage information and.

In the embodiment shown in FIG. 3, a parent drawing having a file name "unit drawing" is assumed. The parent drawing has plan views such as an XY plan view and a YZ plan view, and the parent drawing information file 300 includes, for each of these plan views, IDs of figures described in the drawing, It manages graphic information (for example, vector data) of graphics, and IDs of graphic groups described in drawings, IDs of graphics constituting the graphic groups, and child drawing information associated with the graphic groups By managing the link information to the child drawings managed by the file 200, the parent drawing is managed.

On the other hand, the child drawing information file 200
As shown in (1), the graphic information of each graphic constituting the child drawing is managed.

In the embodiment shown in FIG. 4, a child drawing having a file name "parts drawing 1" is assumed. The child drawing will have a plan such as an XY plan view or a YZ plan view. The child drawing information file 200 includes, for each of the plan views, IDs of figures constituting the drawing, By managing the graphic information of the child drawing, the child drawing is managed.

Here, the link information managed by the parent drawing information file 300 includes, as shown in FIG.
It is composed of an “arrangement angle”, a “file name”, and a “plane data part name (such as an XY plan view)”.

As shown in FIG. 5, this "reference point" is set to any point of the figure group (child drawing) selected from the parent drawing as the origin on the child drawing managed by the child drawing information file 200. It defines what to bring. Also,
The “arrangement angle” defines, as shown in FIG. 5, how much a figure group (child drawing) selected from the parent drawing is tilted and mapped on the child drawing managed by the child drawing information file 200. Things. The “file name / plane data part name” indicates which figure group (child drawing) selected from the parent drawing is associated with the child drawing of which plane data part name of the file of which child drawing. Is to define.

As described above, the CAD apparatus 1 of the present invention manages the child drawings constituting the parent drawing in the child drawing information file 200, while managing which corresponds to which according to the link information. In addition, a configuration is employed in which the parent drawing information file 300 manages the information.

When a child drawing managed by the child drawing information file 200 further has its own child drawing, the child drawing information file 200 has the same file data structure as the parent drawing information file 300 shown in FIG. It will have a file data structure.

6 to 10 show one embodiment of the processing flow executed by the drawing editing program 100. FIG. Next, the processing of the CAD apparatus 1 of the present invention thus configured will be described in detail according to this processing flow.

When the drawing editing program 100 is displaying the parent drawing using the display screen as shown in FIG.
Is operated, as shown in the figure, a "link creation (L creation)" button, a "contrast display (figure comparison)" button,
"Open Link (Open L)" button and "Edit Link (L
Edit) button is displayed. When the user operates the “Create link” button, a “Create link drawing” button, a “Set link information” button, and a “Cancel link information” button are used.
Display one work button.

At this time, when the user operates the “Create link drawing” button, the drawing editing program 100
As shown in the processing flow of FIG.
By interacting with the user, a figure group (child drawing) to be registered in the child drawing information file 200 from the parent drawing
Select For example, a figure group indicated by oblique lines in FIG. 12 is selected.

Subsequently, in step 2, by interacting with the user, the reference point of the selected graphic group is set, thereby setting the "reference point" of the link information. For example,
As shown in FIG. 13, the upper right end point of the selected graphic group is set as a reference point.

Subsequently, in step 3, the user waits for the user to operate the "link information setting" button, and when this button is operated, the flow advances to step 4 to change the "reference point" of the link information. Buttons to be used and buttons used for setting “arrangement angle” / “plane data part name” of link information are newly displayed, and a preview screen is opened as shown in FIG. The selected figure group is displayed with the point (origin) specified.

Subsequently, in step 5, in response to the operation of the newly displayed button, the user interacts with the user using the preview screen to change the "reference point" of the link information or change the "reference point" of the link information. Set “Arrangement angle” / “Plane data part name”.

According to the operation of the confirm button by the user,
When the setting of the “reference point” / “arrangement angle” / “plane data part name” of the link information is determined, subsequently, step 6
Then, as shown in FIG. 15, an input screen for the "file name" of the link information is opened on the preview screen, and by interacting with the user, the file name of the child drawing to which the selected graphic group is copied is displayed. Set.

Finally, in step 7, the graphic information of the selected graphic group managed in the parent drawing information file 300 is copied to the child drawing information file 200, so that the child drawing is registered in the child drawing information file 200. I do.

As described above, the drawing editing program 10
0 selects a figure group to be registered in the child drawing information file 200 from the parent drawing by interacting with the user,
By setting link information associated with the figure group and copying the figure information of the figure group into the child drawing information file 200, a process of registering a child drawing in the child drawing information file 200 is performed.

By the child drawing registration process, both the parent drawing information file 300 and the child drawing information file 200 independently manage the same child drawing (the same at this time).

When an editing request for a child drawing managed by the child drawing information file 200 registered in this way is issued, the drawing editing program 100 first starts as shown in the processing flow of FIG. In step 1, while displaying the child drawing to be edited on the display screen,
Displays the buttons required for the editing operation. For example, as shown in FIG. 16, a child drawing to be edited is displayed.

Subsequently, in step 2, the child drawing to be displayed on the display screen is edited by interacting with the user. For example, as shown in FIG. 17, a child drawing is edited by adding a new figure.

Finally, in step 3, the child drawing managed by the child drawing information file 200 is updated according to the edited child drawing. At this time, the graphic group managed by the parent drawing information file 300 corresponding to the child drawing is not updated.

When an editing request for a parent drawing managed by the parent drawing information file 300 is issued, the drawing editing program 100 firstly executes step 1 in step 1 as shown in the processing flow of FIG. In addition, the parent drawing to be edited is displayed on the display screen, and buttons necessary for the editing operation are displayed.

Subsequently, in step 2, the parent drawing to be displayed on the display screen is edited by interacting with the user. Finally, in step 3, the parent drawing managed by the parent drawing information file 300 is updated according to the edited parent drawing. At this time, the child drawing managed by the child drawing information file 200 corresponding to the figure group of the edited parent drawing is not updated.

Thus, the drawing editing program 10
0 is the child drawing information file 2
00, and a parent drawing managed by the parent drawing information file 300 is independently edited.

When the user operates the “contrast display” button while the parent drawing is displayed using the display screen as shown in FIG. 11, the drawing editing program 100 changes the display as shown in FIG. Five work buttons are displayed: a "simultaneous zoom open" button, a "simultaneous zoom release" button, a "difference display" button, a "one-touch copy" button, and a "batch replacement" button.

At this time, when the user operates the “simultaneous zoom open” button, the drawing editing program 100
First, as shown in the processing flow of FIG. 9, by interacting with the user in step 1, from the parent drawing,
Select the figure group (child drawing) to be displayed for comparison. For example, a figure group indicated by oblique lines in FIG. 18 is selected.

Subsequently, in step 2, in response to the user's operation, an input screen for inputting the file name of the child drawing to be linked as shown in FIG. Enter the file name of the child drawing to link to. As described above, since the file name of the child drawing is managed by the link information, the file name of the child drawing specified by the link information is displayed on this input screen. Since the child drawing pointed to by may be managed in another folder, this input screen is prepared so that the child drawing can be acquired even in such a case.

Subsequently, in step 3, a child drawing indicated by the input file name is obtained from the child drawing information file 200. Subsequently, in step 4, the figure group selected in step 1 and the child drawing acquired in step 3 are combined with each other in FIG.
As shown in the figure, they are displayed side by side with the same magnification and the same posture.
That is, the graphic group of the parent drawing managed in the parent drawing information file 300 is displayed in comparison with the corresponding child drawing managed in the child drawing information file 200.

By this comparison display processing, the user can accurately grasp the difference between the graphic group of the parent drawing managed in the parent drawing information file 300 and the corresponding child drawing managed in the child drawing information file 200. Become like
From now on, even if the person in charge of editing the parent drawing managed in the parent drawing information file 300 is different from the person in charge of editing the child drawing managed in the child drawing information file 200, how the other party edits each other You can know exactly what you did.

Subsequently, in step 5, after a processing request is issued from the user, the processing request is issued.
Proceeding to step 6, it is determined whether or not the issued processing request is a termination request. When it is determined that the processing request is a termination request, the entire processing is terminated.

On the other hand, when it is determined in step 6 that the processing request issued by the user is not an end request, the process proceeds to step 7 where the issued processing request is designated by operating the "differential display" button. When it is determined whether or not the request is a difference display request, and when it is determined that the request is a difference display request, the process proceeds to step 8 to compare the graphic information of the two drawings to be displayed as shown in FIG. By doing so, a graphic part that does not exist in the other party is specified, and the graphic part that does not exist in the other party is highlighted (for example, the line segment is thickened, the color is changed, or flicker display is performed). The difference between the drawings is specified, and the process returns to step S5.

By this difference display processing, the user can accurately and easily determine the difference between the graphic group of the parent drawing managed in the parent drawing information file 300 and the corresponding child drawing managed in the child drawing information file 200. Be able to grasp.

On the other hand, when it is determined in step 7 that the processing request issued by the user is not a difference display request, the process proceeds to step 9 (the processing flow of FIG. 9), where the issued processing request is " It is determined whether or not the request is a one-touch copy request instructed by the operation of the "one-touch copy" button. When it is determined that the request is a one-touch copy request, the process proceeds to step 10 and, as shown in FIG. The graphic part is copied to the other party, the file (the parent drawing information file 300 or the child drawing information file 200) is updated accordingly, and the process returns to step S5.

By this one-touch copy process, the user can easily edit the graphic group of the parent drawing managed in the parent drawing information file 300 according to the corresponding child drawing managed in the child drawing information file 200. At the same time, the child drawings managed in the child drawing information file 200 can be easily edited according to the graphic group of the parent drawing managed in the parent drawing information file 300.

On the other hand, when it is determined in step 9 that the processing request issued by the user is not a one-touch copy request, the process proceeds to step 11, where the issued processing request is operated by operating the “batch replacement” button. When it is determined whether the request is a batch replacement request instructed or not, and when it is determined that the request is a batch replacement request, the process proceeds to step 12, and as shown in FIG. The file is replaced with the drawing, the file (the parent drawing information file 300 or the child drawing information file 200) is updated accordingly, and the process returns to step S5.

By this batch replacement process, the user can easily execute the editing process of matching the graphic group of the parent drawing managed in the parent drawing information file 300 with the corresponding child drawing managed in the child drawing information file 200. In addition to this, it is possible to easily execute an editing process for matching a child drawing managed in the child drawing information file 200 with a corresponding figure group of the parent drawing managed in the parent drawing information file 300.

When the user operates the “link edit” button while the parent drawing is displayed using the display screen as shown in FIG. 11, the drawing editing program 100 displays “ Three operation buttons are displayed: a "link drawing display" button, a "link drawing release" button, and an "input screen setting" button.

At this time, when the user operates the “link drawing display” button, the drawing editing program 100
First, as shown in the processing flow of step 0, step 1
Then, by interacting with the user, a graphic group associated with the child drawing to be edited is selected from the parent drawing. For example, a figure group indicated by oblique lines in FIG. 23 is selected.

Subsequently, in step 2, a child drawing linked to the selected figure group is obtained from the child drawing information file 200. Subsequently, in step 3, as shown in FIG. 24, the obtained child drawing is displayed on the display screen in a form overwriting the selected graphic group. At this time, for example, the child drawing is displayed brightly and the parent drawing is displayed dark, thereby clearly indicating that the displayed child drawing is not the one of the parent drawing.

Subsequently, in step 4, the child drawing to be displayed on the parent drawing is edited by interacting with the user. FIG.
As shown in (1), editing such as adding a new figure to the child drawing is performed. Finally, in step 5, the child drawing managed in the child drawing information file 200 is updated according to the child drawing edited on the parent drawing.

Thus, the drawing editing program 10
0 allows the child drawing managed by the child drawing information file 200 to be edited on the parent drawing by interacting with the user.

[0068]

As described above, in the CAD apparatus of the present invention, when handling a parent drawing composed of a plurality of child drawings, the child drawings are managed by the child drawings, and the parent drawings are managed by the parent drawings. It has a function that allows you to edit independently of each other. It has the function of enabling editing of child drawings on the parent drawing, the function of displaying the child drawing of the parent drawing and the child drawing associated with it, and the function of displaying part or all of the child drawing. It has the function of copying to the child drawing of the parent drawing, or copying part or all of the child drawing of the parent drawing to the child drawing.

By having these functions, according to the present invention, when a parent drawing composed of a plurality of child drawings and those child drawings are edited, a plurality of persons involved in editing work. Sometimes a CA that can efficiently realize the editing work
D device can be constructed.

[Brief description of the drawings]

FIG. 1 is a principle configuration diagram of the present invention.

FIG. 2 is an embodiment of the present invention.

FIG. 3 is an example of a parent drawing information file.

FIG. 4 is an example of a child drawing information file.

FIG. 5 is an explanatory diagram of a parent / child drawing information file.

FIG. 6 is a processing flow of a drawing editing program.

FIG. 7 is a processing flow of a drawing editing program.

FIG. 8 is a processing flow of a drawing editing program.

FIG. 9 is a processing flow of a drawing editing program.

FIG. 10 is a processing flow of a drawing editing program.

FIG. 11 is an explanatory diagram of a display screen.

FIG. 12 is an explanatory diagram of a display screen.

FIG. 13 is an explanatory diagram of a display screen.

FIG. 14 is an explanatory diagram of a display screen.

FIG. 15 is an explanatory diagram of a display screen.

FIG. 16 is an explanatory diagram of a display screen.

FIG. 17 is an explanatory diagram of a display screen.

FIG. 18 is an explanatory diagram of a display screen.

FIG. 19 is an explanatory diagram of a display screen.

FIG. 20 is an explanatory diagram of a display screen.

FIG. 21 is an explanatory diagram of a display screen.

FIG. 22 is an explanatory diagram of a display screen.

FIG. 23 is an explanatory diagram of a display screen.

FIG. 24 is an explanatory diagram of a display screen.

FIG. 25 is an explanatory diagram of a display screen.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 CAD apparatus 2 Terminal 10 Child drawing information management means 11 Parent drawing information management means 12 Editing means 13 Registration means 14 Comparison display means 15 Copying means

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Noboru Banmitsu 4-1-1, Kamiodanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Prefecture Inside Fujitsu Limited (72) Inventor Yasuo Minami 1-chome, Hakata-ekimae, Hakata-ku, Fukuoka, Fukuoka No.5-1 Fujitsu Kyushu System Engineering Co., Ltd. (72) Inventor Shoji Torisu 1-5-1, Hakata Ekimae, Hakata-ku, Fukuoka City, Fukuoka Prefecture Inside Fujitsu Kyushu System Engineering Co., Ltd. (72) Inventor Shoichi Murakami Aichi Toyota Motor Co., Ltd. 1 in Toyota-cho, Toyota-shi (72) Inventor Koji Yamada 1 Toyota-cho in Toyota-shi, Aichi Prefecture Toyota Motor Co., Ltd. (72) Makoto Fujiuchi 1 Toyota-cho in Toyota-shi, Aichi Toyota (72) Inventor Tatsuo Kondo 1 Toyota Town, Toyota City, Aichi Prefecture Toyo (72) Inventor Kazunari Nakane 1-2-1 Nishiki, Naka-ku, Nagoya-shi, Aichi Pref. Emtyie Corporation (72) Inventor Takashi Asai 2-1-1 Nishiki, Naka-ku, Nagoya-shi, Aichi No. 72, Inventor Masamitsu Toyoda 1-2-1 Nishiki, Naka-ku, Nagoya City, Aichi Pref.

Claims (8)

[Claims] 1. A CAD apparatus for editing a parent drawing composed of a plurality of child drawings and the child drawings, a child drawing information managing means for managing the child drawings, and a parent drawing managing means. A parent drawing information management means for managing link information to a child drawing managed by the child drawing information management means constituting the parent drawing; a child drawing managed by the child drawing information management means; Editing means for independently editing a parent drawing managed by the management means. 2. The child drawing information management means according to claim 1, wherein a child drawing to be processed is selected from the parent drawing, and the child drawing information is managed while designating coordinate system information of the child drawing. A CAD apparatus characterized by comprising a registering means for registering in a CAD apparatus. 3. The CAD apparatus according to claim 1, wherein a child drawing to be processed is selected from the parent drawings, and a child drawing managed by a child drawing information management means linked to the child drawing is specified. And a comparison display means for displaying the selected child drawing and the specified child drawing while comparing the selected child drawing with the specified child drawing. 4. The CAD apparatus according to claim 3, wherein the comparison display means displays the two child drawings in a form that clearly indicates the difference between the two child drawings. 5. The CAD apparatus according to claim 3, further comprising copying means for copying a part or all of one of the child drawings displayed by the comparison display means to the other child drawing. CAD device. 6. C according to claim 1, wherein
In the AD device, when displaying the parent drawing, the editing means displays the child drawing managed by the child drawing information management means linked to the parent drawing on the parent drawing, and edits the displayed child drawing. A CAD apparatus characterized in that: 7. The CAD apparatus according to claim 6, wherein the editing means displays the parent drawing and the child drawing to be edited displayed thereon in a form that can be distinguished. 8. A program recording medium storing a parent drawing composed of a plurality of child drawings and a program used for realizing a CAD apparatus for editing the child drawings, and child drawing information for managing the child drawings. An access process for accessing the management means, and a parent drawing information managing means for managing the parent drawing and additionally managing link information to the child drawing managed by the child drawing information managing means constituting the parent drawing. A program for causing a computer to execute an access process for accessing, and an editing process for independently editing a child drawing managed by the child drawing information management means and a parent drawing managed by the parent drawing information management means are stored. A program recording medium characterized in that: