JP3039987B2 - Drawing management device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a drawing management apparatus for digitally managing facility drawings such as water and gas piping systems, electricity and telephone wiring systems, and the like.

[Conventional technology]

2. Description of the Related Art Conventionally, facilities such as pipes for water, gas, electricity, telephone, and wiring systems, and wiring systems are managed using drawings drawn on paper or polyester film. At this time, if a change occurs in the facility, it is necessary to correct the drawing. All drawing corrections must be performed manually, which requires much labor and time, and has a high rate of erroneous writing. In order to solve this problem, it has been proposed to convert facility drawings into digital information and manage them as described in, for example, JP-A-63-254565. In order to manage and convert facility drawings into digital information, a large number of facility drawings (topographic maps,
(System diagram, symbol diagram, etc.) are displayed on a display device on a monitor. Also, the work of correcting the drawing is displayed on the display device.

[Problems to be solved by the invention]

By the way, when performing pipe network calculation for obtaining the pressure, flow direction, and the like of a pipe, reduction of the pipe network is necessary because the amount of calculation in an actual pipe network is enormous. If the pipe network calculation is performed with the reduced pipe network, there is a problem that information about the actual pipe becomes unknown.

The present invention has been made in view of the above points, and an object of the present invention is to make a part of a reduced pipe network diagram as a real pipe network or a pipe network having a reduced rate close to that of a real pipe network and convert it from a divided facility drawing. An object of the present invention is to provide a drawing management device that can be easily created.

[Means for solving the problem]

According to the present invention, when a pipe network calculation is performed, the divided pipeline drawing is integrated with the surrounding contracted drawing and displayed, the pipe network calculation is performed, and the result is added to the display.

[Action]

The integrated display of the divided pipe drawing and the surrounding contracted pipe network is combined with the surrounding contracted pipe network drawing by selecting the divided facility drawing for which the flow rate, flow direction, pressure, etc. of the actual pipe network are to be known. Display the divided drawing of. Here, since the pipe network calculation is performed and the result is added to the display screen, accurate information on the actual pipe line can be obtained.

〔Example〕

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

FIG. 2 is a basic configuration diagram of a drawing management apparatus according to an embodiment of the present invention.

In FIG. 2, facility drawing data is stored in the file device 203. The facility drawing data includes graphic data such as a topographic map and a pipe map, and attribute data expressed by characters and numerical values such as a town name, a personal name, a management diameter, and a pipe type related to the graphic. The stored graphic data is input from a drawing input device 204 which scans a drawing drawn on paper at regular intervals, converts the drawing into gray-scale gradations in accordance with the shading of the read data, obtains a digital image and obtains coded data. Facility drawing is 3rd
As shown in FIG. 7A, the drawing is composed of a plurality of drawings, and each is divided to form a graphic data file. Fig. 3 (b)
The lengths X ₀ and Y ₀ in the X and Y axis directions are determined by the drawing size as shown in FIG. These graphic data are
The data storage structure is hierarchically separated from roads, house frames, and pipelines as shown in FIGS. These data are superimposed on each layer as necessary to form graphic data as shown in FIG. 4 (a). On the other hand, the attribute data is input to the file device 203 using a data input device 208 such as a keyboard 206 or a floppy disk capable of inputting data collectively. In order for the operator to operate the mouse 207 to display the drawing on the display device (CRT) 205, the operator first operates the mouse 207 to move the cursor CU to the function selection icon displayed on the CRT screen. To specify. When the "draw drawing" icon is specified, the central processing unit (CP
U) 201 retrieves the relevant drawing data (graphic data and its attribute data) from the file device 203 and temporarily stores it in the main memory 202. The main memory 202 functions to store a program for executing processing such as search and editing of screen data and data being processed. After the drawing data temporarily stored in the main memory 202 is edited by the CPU 201 in accordance with the effective display coordinates of the display area of the CRT 205, the
Displayed on T205. The operator can know the contents of the target drawing from this display screen. In order to grasp a detailed part, the part is enlarged and displayed. For this purpose, the cursor CU is moved by the mouse 207, for example, and a rectangular arbitrary area is designated from both ends on the diagonal line from the CRT display area and enlarged or reduced to an arbitrary magnification. Specifically, the main memory
A part of the relevant drawing data stored in 202 is enlarged / reduced and edited via the CPU 201 and displayed on the CRT 205.

Next, when there is a change in the pipeline drawing, the target pipeline drawing is searched from the file device 203, and after editing the drawing data, the CRT 20
The re-reduction process and pipe network calculation when the pipeline is modified are described below.

FIG. 1 shows a main part of an embodiment of the present invention.
FIG. 4 is a diagram showing an example of a pipe network contraction processing unit of FIG. In FIG. 1, a display surface 101 is a mouse operation icon area 10 for selecting a function for searching and correcting a target drawing.
2. It is composed of a drawing display area 103 in which the pipeline drawing corrected by the mouse operation and the reduced pipeline drawings around it are mixedly displayed, and a mesh display 104 obtained by dividing the drawing display region 103 into drawing units. The mixed display of the corrected pipeline drawing and the reduced pipeline drawing in the drawing display area 103 is processed according to the following procedure.

Using the mouse 207 shown in FIG. 2, the icon area 102 on the display surface 101 and the operation of the mouse 207 are one-to-one.
Move the cursor CU that moves in response to the icon area 103
Select the "Modify Drawing" icon in This selection command causes the drawing search unit 105 in the CPU 201 to search the file device 203 for relevant drawing data, and temporarily stores the drawing data in the main memory 202. The drawing correction unit corrects the pipeline drawing data with the cursor CU of the mouse 207 on the drawing display area 103 on the display surface 101. Since there is a change in pressure and demand of the contracted pipe network and pipe lines due to this pipe line modification, the icon area
By operating the mouse 207, an icon of “reduction of pipe network” in 102 is selected. In the contraction processing unit 107, the conditions necessary for the contraction are specified by the contraction condition designation unit in the file device 20.
Write to 3 and use it to reduce the pipe network. FIG. 6 shows an example of the contraction condition. The contraction condition can be defined by the user, and the degree of contraction can be set arbitrarily. The facility drawing reduced by the “store file” icon in the icon area 102 is stored in the graphic file of the file device 203. In the pipe network calculation unit 108, when the icon of “pipe network calculation” in the icon area 102 is selected and the drawing number is designated, the drawing search unit 105 selects the 8 adjacent to the relevant facility drawing.
The reduced drawings are transferred from the file device 203 to the main memory 202 and displayed on the display 101 via the display editing unit 109. FIG. 7 (a) is an example of a mixed display of a real pipeline drawing and an adjacent contracted pipeline drawing of the display. Here, data required for pipe network calculation such as the demand amount and elevation of each node in the drawing is read. Alternatively, the pipe network calculation is performed by reading the data stored in the attribute file of the file device 203. This gives the pressure at the node, the flow rate and flow rate of the pipeline,
The display / editing unit 109 displays these on the drawing. FIG. 7B is a display example of this result. In addition, the main drawing for the mixed display is not only the actual pipeline but also the contracted pipeline.

〔The invention's effect〕

As described above, according to the present invention, when a contracted pipe network drawing is created, in order to know the pressure, flow direction, and demand of the actual pipe network of this drawing, it is displayed together with the surrounding contracted pipe network drawing to calculate the pipe network. Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a main part of one embodiment of the present invention, FIG. 2 is an overall block diagram showing one embodiment of the present invention, and FIG. 3 is a drawing configuration and graphic coordinates stored in a file device. FIG. 4 is a diagram showing a positional relationship, FIG. 4 is a diagram showing a hierarchical structure of graphic data, and FIG. 5 is a diagram showing an example of a process definition when contracting an actual pipeline diagram. FIG. 6 and FIG. 7 are views showing an example of a mixed display of an actual contraction diagram and eight contraction lines adjacent to each other. 101 ... display surface, 102 ... icon area, 10
3 ... Drawing display area, 104 ... Mesh display, 105 ... Graphic search unit, 106 ... Reduction condition designation unit, 107 ... Reduction processing unit, 108 ... Tube network calculation unit, 109 ... Display editing Part, 201 …… C
PU, 202: Main memory, 203: File device, 204
…… Drawing input device, 205 …… CRT, 206 …… Keyboard, 2
07… Mouse, 208 …… Data input device.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-209700 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G06F 17/50 G06T 1/00 JICST file ( JOIS) Patent file (PATOLIS)

Claims (1)

(57) [Claims] A drawing management apparatus for converting drawing information of a pipeline facility into digital information and displaying a desired pipeline facility drawing on a display device, wherein a pipe network reduction of a pipeline in a specific area of the pipeline facility drawing is performed. A drawing management apparatus configured to display on the display device a contraction rate of a pipe around the specific area different from a contraction rate of the specific area.