JPH0795304B2 - Mapping system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention is a mapping for computing the equipment state based on equipment management drawing information consisting of map information showing equipment states such as electric power, gas, and sewer, and equipment information. It is about the system.

[Conventional technology]

FIG. 4 is a block diagram showing an example of a mapping system using the conventional CAD system disclosed in, for example, Japanese Patent Laid-Open No. 59-125468. In FIG. It consists of a graphic display for correction, a digitizer, a tablet, and a keyboard. A mapping system main body (hereinafter referred to as a main body) 12 includes a graphic library 14 for creating, modifying, and storing drawings, a database modeling unit 15, a graphic control unit 18, and the like. The database modeling unit 15 is composed of a drawing database 16 and an attribute database 17, and access is controlled by the graphic control unit 18. A drawing output device 13 is composed of an XY plotter, an electrostatic plotter, etc. for outputting a drawing created by the system.

As an example of a computer mapping system, the 19th edition of the Japan Computer Graphics Association is issued.
CG Aurum Material P12-1 to 12-7 (issued in June 1986)
It is described in.

Next, the operation will be described.

The drawing to be registered uses the drawing creation / correction device 11 and the operator performs operations such as symbol designation, symbol selection, point designation, etc., which are menuized on the digitizer, for each of the elements constituting the drawing,
The data indicating the coordinates and the shape are registered in the drawing database 16, and the code information indicating the meaning of the figure is separately registered separately in the attribute database 17.

The database modeling unit 15 describes the data structure of the figure and attributes of the target drawing, and defines the figure elements, the set of elements, and this relationship.

At the time of drawing registration, information about the previously registered graphic elements and standard drawings is stored in the graphic library 14,
The drawing can be registered with reference to this. The correction operation of the once registered drawing is similarly performed by using the drawing creation / correction device 11.

The drawing information registered or modified in this way is stored in the main unit 12
The drawing information is delivered to the drawing output device 13, and based on the operator's instruction, the drawing information registered in the drawing database 16 and the code information indicating the meaning of the figure registered in the attribute database 17 are graphically output as an image.

Further, as shown in FIG. 4, the drawing creation / correction device 11
Although multiple units can be connected to the main body 12, since there is only one graphic control unit 18 on the main body 12 side, in response to a simultaneous correction request for maps (drawings) of the same area, the database modeling unit 15 The modeling data set is used by copying the number of 11 drawing creation / modification devices, or the modeling data set of the database modeling unit 15 is directly modified.

[Problems to be solved by the invention]

Since the conventional mapping system is configured as described above, new drawing creation processing can be processed smoothly, but it is required to read and process tens of thousands of topographic maps and equipment maps as drawings from the drawing database 16. Even if a plurality of drawing creation / correction devices 11 are used, the access capability of the graphic control unit 18 is limited and the information capacity of the drawing information registered in the drawing database 16 becomes enormous. There is a problem that it takes a long time to obtain it and the response is significantly lowered.

The present invention has been made to solve the above-mentioned problems. By supplying drawing information registered in the drawing database to the drawing creation / correction device side in a registerable / correctable manner, map information and equipment information can be obtained. It is an object of the present invention to obtain a mapping system capable of smoothly executing a read / write process of master drawing information related to, with good responsiveness.

[Means for solving problems]

A mapping system according to the present invention is a partial drawing database for reading and storing drawing information and figure information registered in a drawing database in each drawing creation terminal means, and drawing information and figure information read and modified as transactions. A transaction processing unit which is constructed and transmitted to the data processing unit is provided.

[Action]

In the mapping system according to the present invention, the transaction processing unit constructs the drawing information and graphic information read from the partial drawing database and modified as a transaction, and transmits the transaction to the data processing unit.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numerals 1 and 2 are graphic creation / correction processing units serving as drawing creation terminal means, modeling unit 3, graphic transaction.
It is composed of a drawing creation / correction device 11, a graphic control unit 18, and the like. The modeling unit 3 is composed of a partial drawing database 4 and a graphic library 5. In the partial drawing database 4, drawing information whose master drawing is the drawing information registered in the drawing database 16 of the main body 12 is used as the high-speed transmission bus line 7. Have been written through. Drawing information having drawing information registered in the drawing library 14 on the main body 12 side as a master drawing is written in the graphic library 5 through the high-speed transmission bus line 7. Reference numeral 8 denotes a data transmission transaction editing unit, which analyzes and edits the graphic transaction which is constructed by the graphic transaction 6 serving as the transaction processing unit of the present invention and sent to the high-speed transmission bus line 7, and updates the contents of the drawing database 16 and the attribute database 17. To do.

2A and 2B are schematic diagrams for explaining the function of the graphic transaction 6 shown in FIG.

In these figures, 6a is a graphic element, which is composed of a symbol and a line segment, and the graphic data of the attribute "1891" (transaction number "1", type "1") is added to the graphic creation / correction device 11
Shows the state of being modified (added, deleted, changed).

6b is a transaction, which is composed of a transaction number, transaction type, graphic data, and attribute data. The transaction 6b is transmitted to the main body 12 side via the high-speed transmission bus line 7, and the graphic transaction sent to the high-speed transmission bus line 7 is data. The transmission transaction editing unit 8 analyzes and edits and updates the contents of the drawing database 16 and the attribute database 17.

FIG. 3 is a schematic diagram for explaining a data transmission state according to the present invention. In the figure, 3a is mesh drawing information, which is stored in the partial drawing database 4.

Next, the operation will be described.

When the operator instructs the graphic display, tablet, and digitizer of the drawing creation / correction device 11 and the main body (data processing unit) 12 side is requested to transmit a part of the drawing information as shown in FIG. 16
Of the drawing information registered in the drawing information 3a is transferred to the drawing creation / correction processing unit 1 or the drawing creation / correction processing unit 2 via the high-speed transmission bus line 7, and the drawing creation / correction processing unit 1 or the drawing creation / correction processing unit 2 is transferred. Are stored in the partial drawing database 4.

Under such a condition, when the operator instructs the graphic display, tablet, and digitizer of the drawing creation / correction device 11 for the initial registration and modification of the drawing, in the case of initial registration, the graphic display is referred to and the desired graphic display is desired. Graphic control unit 18
Is displayed.

On the other hand, for the correction of the drawing information, the desired drawing information registered in the partial graphic database 4 is read, and the graphic control unit 18 corrects the desired graphic information on the graphic display while referring to the graphic library 5 (addition, deletion,
(Changed) and displayed, and the corrected drawing information is registered in the partial figure database 4.

At this time, the graphic transaction 6 is as shown in FIG.
As shown in (b), the graphic transaction data for the corrected contents is constructed, and the transaction 6b including the transaction number, transaction type, graphic data, and attribute data is transmitted to the high-speed transmission bus line 7.

In response to this, the data transmission transaction editing unit 8 on the main body 12 side analyzes the transmission data, that is, the transaction 6b, and as shown in FIG.
Layered in, for example, terrain layer 16a, equipment map layer 16b
Re-edit etc.

The equipment diagram layer 16b is stored in association with the attribute data registered in the attribute database 17, and the drawing information stored in the drawing database 16 from the drawing output device 13 and the attribute data stored in the attribute database 17 are stored. It can be output at any timing.

In the above embodiment, the case where the transaction 6b is stored in the graphic transaction 6 provided on the side of the graphic creation / correction processing units 1 and 2 has been described. While it is possible to refer to in the same format at any time, it is possible to constantly update the information stored in the drawing database 16 and the attribute database 17 of the database modeling unit 15,
You can refer to the latest drawing information.

Further, in the above embodiment, the case where the transaction 6b is transmitted to the main body 12 side has been described. However, the attribute data stored in the attribute database 17 is transmitted as a data transmission transaction in response to a request from the figure creation / correction processing units 1 and 2. Editorial department
8, it may be configured to be readable via the high-speed transmission bus line 7.

Furthermore, if the high-speed transmission bus line 7 is composed of a communication line and a LAN formed by a bus line, the mapping system can be expanded.

〔The invention's effect〕

As described above, according to the present invention, the drawing information and graphic information registered in the drawing database are read out and stored in the partial drawing database of each drawing creation terminal means, and the transaction processing unit reads out and corrects the drawing information and graphic information. Since it is configured to build a transaction into a transaction and transmit it to the data processing unit, the read and corrected map information and drawing information related to equipment information are transmitted with a small amount of data at any timing, and registered master drawings. Since the drawing information in the database can be corrected smoothly and responsively, the latest drawing information can be constantly provided to the terminal device.

[Brief description of drawings]

FIG. 1 is a block diagram for explaining the configuration of a mapping system showing an embodiment of the present invention, and FIGS. 2 (a) and 2 (b) are schematic diagrams for explaining the function of the graphic transaction shown in FIG. FIG. 3 is a schematic diagram for explaining a data transmission state according to the present invention, and FIG. 4 is a block diagram for explaining an example of a conventional mapping system. In the figure, reference numerals 1 and 2 are graphic creation / correction processing units (drawing creation terminal means), 3 is a modeling unit, 4 is a partial drawing database, 5 and 14 are graphic libraries, 6 is a graphic transaction (transaction processing unit), and 7 is high speed. A transmission bus line, 8 is a data transmission transaction editing unit, 11 and 12 are drawing making / correcting devices, 13 is a drawing output device, 15 is a database modeling unit, 16 is a drawing database, 17 is an attribute database, and 18 is a graphic control unit. . In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] 1. A drawing database for sequentially registering new drawing information and new figure information input from a plurality of drawing creation terminal means, and drawing information read and modified in response to a request from the drawing creation terminal means. In a mapping system including a data processing unit for updating and registering graphic information in the drawing database, each drawing creation terminal means is a target of creation or correction of the drawing information registered in the drawing database and the drawing information. A partial drawing database for storing information to be stored in the drawing, a drawing information read from the partial drawing database and modified, and a transaction processing unit for transmitting only modified graphic data of the drawing information to the data processing unit as transaction data. And the data processing unit has the information requested from the drawing creation terminal means. Mapping system, characterized in that to supply the drawing generation terminal means, modifying the drawing database in accordance with said transaction data.