JP2723241B2 - Document management system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a document management system for storing documents to be managed such as various drawings in the form of electronic information and performing maintenance accompanying changes. .

2. Description of the Related Art Conventionally, there has been a system for electronically storing documents that are stored for a long period of time, including drawings related to various manufacturing and facilities, and that are appropriately changed as necessary, on a recording medium such as an optical disk. Are known. These systems are roughly classified into the following two systems.

In other words, the first method is to input a document to be managed using a pointing device such as a digitizer. In this type of system, graphic data is converted into vector data and stored, and character information is converted and coded. When the stored document data is changed, the document data is corrected by a CAD (Computer Aided Design) system for drafting.

However, this method has a problem that a complicated input operation is required to convert the data into a data that can be maintained by the CAD system, the workability is poor, and it is not suitable for processing a large number of documents.

On the other hand, the second method is a method in which a drawing to be managed is input as image data using a scanner or the like and stored in a large-capacity file such as an optical disk. In this method, when a drawing to be managed is changed, the stored drawing is temporarily output using a plotter, etc., the output drawing is manually corrected, and the drawing is maintained by inputting again. I was

However, according to this method, drawing by plotter →
Each time the accumulation cycle is repeated, the image quality deteriorates, and it is not easy to manually correct the drawings output by the plotter, which is not suitable for maintenance and management of frequently corrected documents. .

(Problems to be Solved by the Invention) As described above, in the conventional document management system described above,
There is a problem that it takes a great deal of time to prepare initial data for storing a document in the form of electronic information, that the image quality is deteriorated due to the change of the document, and that the work of changing the document is not easy.

An object of the present invention is to provide a document management system which solves the above-mentioned problems, easily converts initial data for storage, reduces deterioration of image quality due to document change, and facilitates document change work. Aim. It is another object of the present invention to provide a document management system capable of presenting a document at an arbitrary time point designated as required in such a document management system.

[Configuration of the Invention] (Means for Solving the Problems) The present invention relates to an image reading unit for reading a management target document as image data, and a first storing unit that associates image data for the management target document with its editing history. Storage means;
Second storage means for temporarily storing the image data to be edited, display means for displaying the image data being edited on a display screen, information for specifying the type of input editing, A first editing unit that edits the image data stored in the second storage unit in accordance with information on an editing target area directly specified for the image data, and designates input drawing or erasing The second storage unit uses the generated graphic pattern based on the information to be specified, the information that specifies the type of the graphic pattern to be drawn or erased, and the information that can specify the size and position of the graphic pattern. A second editing unit for editing the stored image data, a third storage unit for temporarily storing an editing history performed on the image data being edited, Means for reflecting the editing history stored in the third storage means in the contents of the first storage means, wherein the second editing means refers to the editing history and The image data portion drawn by the second editing means is erased using the information at the time of drawing.

Preferably, the image editing is movement per area, copying per area, erasing per area, drawing with an electronic pencil or erasing with an electronic eraser, and the graphic pattern is a line, a symbol, or a character.

(Operation) According to the present invention, since the initialization of the document to be managed is performed by the image reading means such as the scanner, it can be easily performed. The managed document once stored is edited by the first editing means such as erasing the image data in the necessary area at the image data level, and the second editing means generates the necessary graphic pattern. By performing the additional writing in this way, the management document can be changed electronically, and the change operation becomes extremely easy.

Further, the history information is searched by storing it as information of a change instruction when edited by the first and second editing means or history information such as image data of a correction area before or after the change. This makes it possible to present the document data at any time as needed.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of the drawing management system according to the present embodiment.

This system connects a scanner 2, an image memory 3, a controller 4, an optical disk 5, a graphic processor 6, a change history memory 7, a display 8 and a printer 9 via a bus 1, and connects a keyboard 10 and a mouse 11 to the controller 4. Are connected.

The scanner 2 is an image reading unit that reads a management target drawing as image data, and corresponds to, for example, a drum scanner or a facsimile machine.

The image memory 3 temporarily stores image data read by the scanner 2 and image data read from the optical disk 5 to change the drawing, and provides an image displayed on the display 8.

The controller 4 interprets input instructions from the keyboard 10 and the mouse 11, manages the input / output of the scanner 2, the image memory 3, the optical disk 5, the display 8, and the printer 9, and activates the graphic processor 6 indirectly. ,
Alternatively, it directly changes the image memory 3 in response to the operation of the mouse 11, and controls the storage management of history information at the time of the change.

The optical disk 4 is a large-capacity memory for storing drawings to be managed. The optical disk 4 stores image data read from the scanner 2 or image data corrected via the controller 4 and the name of the drawing input via the keyboard 10. It is stored in association with file management data composed of keywords. Further, on the optical disk 5, the change history data stored in the change history memory 7 in association with the work of changing the image data is also stored in association with the file management data.

The graphic processor 6 includes a keyboard 10 and a mouse
Generate a pattern of lines, symbols, characters, etc. indicated via 11.

The history information memory 7 stores, as history information, the content of a change instruction for image data in the image memory 3. The contents stored in the change history memory 7 are stored in the optical disk 5 after the change is completed.

Next, the operation of the drawing management system according to the present embodiment configured as described above will be described.

FIG. 2 is a flowchart showing a procedure at the time of storing a drawing.
First, when the drawing is read as image data by the scanner 2 (S21), the read image data is stored in the image memory 3
(S22). Subsequently, when a keyword such as a drawing name is input via the keyboard 10 (S23), the controller 4 changes the input keyword to file management data (S24) and is temporarily stored in the image memory 3. The original drawing data is stored in the optical disk 5 together with the file management data (S25).

According to the above procedure, the drawing is initialized. still,
The optical disk 5 also stores change history data. Each of these data is stored according to the physical arrangement shown in FIG. That is, first, the file management data area 31 is provided at the top of the storage area, and the file management data is stored in this area from the top to the back. The file management data includes drawing numbers, names, registration dates, keywords, pointers to original drawing data, pointers to change history data, and the like. Next, a change history data area 32 is provided following the file management data area 31. In this area, the change history data is stored from the beginning to the end. Further, the change history data area 32
Then, an original drawing data area 33 is arranged. In this area 33, original drawing data is stored from the end to the front.

Next, a procedure for maintaining the drawings when the drawings stored in this manner need to be changed will be described with reference to FIG.

First, when a name of a drawing to be changed or the like is input as a keyword via the keyboard 10 (S41), the input keyword is changed to file management data, and based on a pointer to original image data in the data. A search for a target drawing is performed (S42). When the retrieved drawing data is read from the optical disk 5, the drawing data is stored in the image memory 3 (S43). And the image memory 3
Is displayed on the display 8 (S44). As a result, a standby state is established, and the work of changing the image data using the maintenance editor can be executed (S45). When this operation is completed and the changed article is additionally written in the file management data (S46), the contents of the change history are stored again on the optical disk 5 together with the file management data and the drawing data.

Next, the function of the maintenance editor will be described with reference to FIGS.

As shown in FIG. 5, the maintenance editor includes an image editor as a first editing unit and a graphic editor as a second editing unit. The image editor captures a drawing on the display 8 as an image and realizes functions such as moving, copying, and erasing by designating an area, an electronic pencil, and an electronic eraser. Further, the graphic editor has a function of writing or erasing a specified type of straight line, curve, symbol, character, or the like in the specified area by the drawing function of the graphic processor 6. Selection of these functions (mode specification)
For example, when the menu displayed on the display 8 is
This is performed by appropriately selecting according to 11.

FIG. 6 shows the flow of the move / copy / erase mode of the image editor. First, the user specifies an area (first area) to be moved / copied / erased by moving the cursor with the mouse 11 using the area specifying function of the image editor, and when the data is input ( (S61) If the mode is the erasing mode (S62), "0" is stored in the storage area of the image memory 3 corresponding to the first area, and the image data in that area is erased (S63). In the case of the move or copy mode, the image data of the first area is stored in the first work area in the controller 4 (S6).
4), when the user operates the mouse 11 to specify the second area as the movement destination or the copy destination (S65), the image data of this second area is stored in the second work area in the controller 4. (S66) Then, the contents of the first work area and the contents of the second work area are ORed for each dot, and the value is stored in the second area of the image memory 3 (S67). ). Further, in the case of the movement mode (S68),
“0” is stored in the storage area of the image memory 3 corresponding to the first area, and the image data of the movement source area is deleted (S63).

FIG. 7 is a diagram showing a flow of the image editor in the electronic pencil / electronic eraser mode. That is, a small area indicating the position and size of the electronic pencil / electronic eraser is displayed on the display 8.
Displayed above (S71). This minute area moves with the moving operation of the mouse 11 (S72, S73, S74). Drawing with an electronic pencil and erasing with an electronic eraser function when the switch of the mouse 11 is turned on. That is, if the switch is ON (S75), if the designated mode is pencil (S75)
76) and “1” is stored in the minute area of the image memory 3 (S7).
7) If the designated mode is the eraser (S76), "0" is stored in the minute area position of the image memory 3 (S78). By combining this with a moving operation (S71 to S74), an arbitrary image can be drawn freehand (electronic pencil) or image data at an arbitrary position can be erased (electronic eraser).

Fig. 8 shows lines, symbols,
FIG. 4 is a diagram illustrating a flow of a character drawing / erasing mode. First, in the line drawing / erasing mode (S81), when area designation data and line type data are input by the mouse 11 (S82), the graphic processor 6 generates a coordinate sequence of the designated line (S83). . For line drawing (S8
4) The storage location of the image memory 3 specified by the coordinate sequence generated by the graphic processor 6 is set to "1" (S8).
5) In the case of line erasure (S84), the storage location of the image memory 3 specified by the coordinate sequence generated by the graphic processor 6 is set to "0" (S86). In addition, the symbol
In the character mode (S87), when the area designation data and the symbol / character type data are input by the mouse 11 (S88), the graphic processor 6 generates a coordinate sequence of the designated symbol / character pattern (S88). S89).
In the case of display (S90), the storage location of the image memory 3 designated by the coordinate sequence of the symbol / character pattern generated by the graphic processor 6 is set to "1" (S91). In the case of erasing (S90), the storage location of the image memory 3 designated by the coordinate sequence of the symbol / character pattern generated by the graphic processor 6 is set to "0" (S92).
As a result, it is possible to draw a line, symbol, or character at an arbitrary position, or to erase a line, symbol, or character drawn at a position known in advance by history information or the like by specifying a code.

By using the functions of the maintenance editor as described above, the original drawing data can be easily corrected.
When the correction is completed, the contents of the image memory 3 are transferred to the optical disk 5
And the contents of the change history memory 7 are stored in the change history data area 32 of the optical disk 5.
In this way, the registration and maintenance of the drawing are performed. Since the original drawing data is image data, it is possible to add a symbol or the like using a graphic editor, but the symbol or the like cannot be changed. Therefore,
After erasing the image in the change area by the function of the image editor, it is sufficient to add the image in the area by the graphic processor. On the other hand, a drawing once drawn in the image memory can be handled as an image by either a graphic editor or an image editor. Further, since the change history memory 7 stores a process (designation code) corrected in the past by using the graphic processor 6, by using this history information, a portion drawn by the graphic editor can be obtained.
It can also be handled as graphics. For example, when erasing a predetermined character, specific information can be erased by extracting information such as the position where the character was drawn and the character code from the history information and performing the character erasing operation with the same data. . Further, by tracing the history information, it is possible to reproduce and display the image data at an arbitrary time.

In the above embodiment, the designation code at the time of editing by the editing unit is stored as the history information. For example, the image data itself of the changed area before or after the change is stored as the history information. Is also good. In this case, for example, the first original drawing data is stored in the original drawing area 33 of the optical disk 5, the corrected partial image data is stored in the change history data area 32, and the original drawing data and the history are stored every time the image data is read. Information may be overwritten, or the original drawing data area 33 of the optical disk 5 always stores new image data, and the change history data area 32 stores partial image data before correction. You may do it. In the latter case, since the latest image data expected to be read most frequently is stored in the original image data area, there is an advantage that the access time of the image data is short. In the latter case, even when an image is edited, the image data of the area is stored in the change history memory when the area is designated,
When stored, there is an advantage that the designated area of the image memory can be used as a work area for change.

Although the drawing management system has been described above as an example, it goes without saying that the present invention is not limited to the drawing management system but can be applied to any document management system.

[Effects of the Invention] As described above, according to the present invention, by reading a document to be managed as image data, initial data can be easily created, and a large number of documents accumulated in the past can be digitized. Becomes On the other hand, a document needs to be maintained and managed, but by using a combination of erasing with an image editor and drawing with a graphic editor, it is possible to obtain a high-quality modified drawing, and further by taking a change history. There is an effect that an advanced document management system can be configured.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of a drawing management system according to an embodiment of the present invention, FIG. 2 is a flowchart showing a flow of storing drawings in the system, and FIG. 3 is storage of an optical disk used in the system. FIG. 4 schematically shows a physical arrangement of data, FIG. 4 is a flowchart showing a maintenance flow in the system, FIG. 5 is a schematic diagram showing a configuration of a maintenance editor in the system, and FIG. 6 is an image editor in the system. 7 is a flow chart showing the contents of processing in the move / copy / erase mode of FIG. 7, FIG. 7 is a flow chart showing contents of processing in the electronic pencil / electronic eraser mode of the image editor in the system
FIG. 8 is a flowchart showing the contents of the processing of the graphics editor in the system. 1 ... bus 2 ... scanner 3 ... image memory 4 ...
... Controller, 5 ... Optical disk, 6 ... Graphic processor, 7 ... Change history memory, 8 ... Display, 9 ... Printer, 10 ... Keyboard, 11 ... Mouse.

Claims (2)

(57) [Claims] An image reading unit that reads a management target document as image data; a first storage unit that stores image data of the management target document in association with an editing history; and temporarily stores the image data to be edited. Second storage means for storing the image data being edited on a display screen; information for specifying the type of editing that has been input; First editing means for editing the image data stored in the second storage means in accordance with the information of the directly specified edit target area; input designating information for specifying drawing or erasing; and drawing or erasing. Using the graphic pattern generated based on the information for specifying the type of the graphic pattern and the information for specifying the size and position of the graphic pattern, A second editing means for editing the image data stored in the storage means, a third storage means for temporarily storing an editing history of the image data being edited, and Means for reflecting the editing history stored in the third storage means in the contents of the first storage means, wherein the second editing means refers to the editing history and 2. A document management system for erasing a part of image data drawn by an editing means using information at the time of drawing. 2. The image editing is movement of an area, copying of an area, erasing of an area, drawing with an electronic pencil or erasing with an electronic eraser, and the graphic pattern is a line, a symbol or a character. The document management system according to claim 1, wherein: