JPH0743638B2 - Drawing display method and apparatus - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drawing display method and an apparatus therefor, and more particularly to a drawing suitable for displaying an image of a piping diagram of a designated piping route from a group of vectorized water supply piping system drawings. A display method and an apparatus thereof.

[0002]

2. Description of the Related Art Conventionally, when a database is created by linking topographic maps, water pipes, and other graphic data with attribute values such as topographic information and water pipes, and specifying an arbitrary point, a certain area within the same drawing is enlarged and displayed. In addition, various facility drawing information systems that display attribute data have been announced ("Pixel [PIXEL]", December 1985 issue,
No. 39, pp96-138).

[0003]

In the prior art, when displaying the image of the piping diagram of the designated piping route from the group of drawings of the water supply piping system, it is not considered to clearly display the water cutoff area. The area is difficult to identify.

Incidentally, JP-A- 57-186111
Report, JP-A-59-119377.
Highlight the vehicle when displaying it on the map so that
It is possible to do it, but if you simply adopt this method,
It is not possible to identify the exact water cutoff area. That is, water is cut off
The area changes depending on the location of the water interruption and the condition of the water supply pipeline.
Therefore, it is necessary to identify the water cutoff area in consideration of this information.
If so, it is not possible to specify the exact water cutoff area. It is an object of the present invention to provide a drawing display method and an apparatus therefor capable of accurately identifying a water cutoff area and displaying this water cutoff area separately from other areas.

[0005]

In order to achieve the above object, the present invention converts drawing information of a water supply system diagram into an image signal, and displays a pipe diagram of a desired water supply route in a color image on a display screen. In the display, a specific part of the water pipe route displayed in the image on the display screen is designated as a water cut part.
Drawing information of the water supply system diagram based on the water cut point
Search, and the water pipe connected to the water cut point by this search
Valve plugs and water cutoffs to prevent water flow to the water cutouts
Form a closed loop region between the water pipe and the valve plug.
Select the distribution pipe to be formed and belong the selected distribution pipe to the water cutoff area.
As a water distribution pipe,
For example, the drawing display method is adopted, which is characterized in that the water supply pipeline in the water cutoff area is displayed in an image in a color different from that of other water supply pipelines.

Further, the present invention is a drawing of a water supply piping system diagram.
Based on the information, the water supply piping route and the piping of this water supply piping route
Display related display objects as color images on the display screen
Displayed on the color display means and the display screen of the color display means
A specific part of the water supply pipeline that was
Depending on the water cut point designation means to be specified and the water cut point designation means
Drawing information of the water supply system diagram based on the designated water cut point
Search for and connect to the water cut point
Distribution that connects the valve plug to prevent water flow to the water supply
Pipe and a water pipe forming a closed loop region with the valve plug
Select by the distribution pipe selection means to select and the distribution pipe selection means
This water pipe as a water pipe belonging to the water cutoff area
A water-stop area limiting means that limits the water supply pipeline in the area
Water supply belonging to a water cutoff area limited by water area limitation means
The color of the displayed image of the piping path is out of the water cutoff area.
Display image to be changed to a color different from the display image of the piping route
The drawing display device is provided with an image changing means .

[0007]

[Operation] When the piping diagram of the desired water piping route is displayed on the screen as an image, the water piping route displayed on the display screen is displayed.
If a specific part of the road is designated as a water cut point, the water cut
Based on the location, the drawing information of the water supply piping system is searched and this inspection is performed.
To the water cut point of the distribution pipe connected to the water cut point by the rope
Pipe that connects the valve plug and the water cut point to prevent the passage of water
And a water pipe that forms a closed loop region with the valve plug is selected.
Selected and selected water pipes as water pipes belonging to the water cutoff area
As a result, the water supply pipelines that belong to this water cutoff area are limited.
As a result, the condition of the water cut point and the water pipe route will change.
Also, the drawing information is searched based on the water cut point and this inspection is performed.
Since the water cutoff area is identified by the rope, the accurate water cutoff area should be specified.
Can be specified. And, through the water pipe in the water cutoff area
When the route is limited, the water pipe route of the water cutoff area is displayed in a different color from other water pipe routes. Therefore accurate
It will be possible to easily identify the water cutoff area.

[0008]

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

FIG. 7 is a block diagram showing an apparatus to which the drawing display method according to the present invention is applied. In FIG.
The drawing display device includes a CPU 301 for executing processing, a file device 303 for storing facility drawing data, a main memory 30 for storing a program for executing processing such as drawing data search and editing, and data being processed.
2. CRT display device 305 for displaying graphics and characters resulting from processing, keyboard 30 for inputting commands
6. Tablet 307 for menu selection and input of coordinate position, stylus 30 for specifying coordinate position
8. The drawing input device 304 is provided for scanning a drawing to convert it to grayscale and obtaining a digital image to obtain coded data.

When facility drawing data is generated from the drawing information of the water supply piping diagram by the above-mentioned device, when the piping drawings of the water supply piping route are sequentially scanned by the drawing input device 304, the facility drawing data relating to the scanned piping drawing is obtained. File data for each facility drawing data generated in sequence
3 is stored. When the CPU 301 designates the piping diagram of the desired water supply piping route, the file device 30
The drawing data of the specified piping diagram is extracted from the drawing data stored in No. 3, and the extracted drawing data is stored in the main memory 302 as display data. That is, CPU
Reference numeral 301 denotes a drawing data extracting means, and the main memory 3
Reference numeral 02 constitutes a display data storage means. Further, among the display data stored in the main memory 302, the color display data of the water pipe route in the water cutoff area is the CPU 3
By the command 01, the color display data is changed from the color display data of other water pipe routes. That is, the CPU 301 also constitutes display data changing means. When the display data stored in the main memory 302 is edited by the CPU 301, the edited display data is transferred to the CRT display device 305 and converted into an image signal, and the display data is displayed on the screen of the CRT display device 305. The image according to is displayed in color. That is, the CRT display device 305 is configured as a color display means.

Next, a display method of the device having the above structure will be described with reference to FIGS.

FIG. 1 is a flow chart for explaining the processing operation of the above apparatus, FIG. 2 is a diagram showing the overall structure of a facility drawing, and FIG. 3 is a relationship between pipes in a water cutoff area and valve plugs in adjacent drawings. Fig. 4, Fig. 4 is a diagram showing a database structure of facility drawings, Fig. 5 is a diagram showing a display example of a water cutoff area, Fig. 6 is a configuration diagram of drawing search-related block data, and Fig. 7 is an entire drawing display device. It is a block diagram which shows a structure.

In the present embodiment, as the distribution pipe data including the distribution pipe 101 as a route and the valve plug 102 as the demarcation part in the facility drawings across the plurality of drawings # 1 to # 16,
In addition to the display data of the water pipe 101 and the valve plug 102 of each drawing being set, data indicating whether or not the valve plug 102 as an opening / closing element exists in the water pipe 101 and the connection relation of the water pipe 101 Data specifying adjacent drawings is set for each drawing. The latter data is set in association with the virtual valve plug 103 provisionally installed at the boundary between each drawing and the adjacent drawing.

That is, based on the distribution pipe data of the facility drawing having the positional relationship as shown in FIG. 2 (data in a state where the distribution pipe 101 and the valve plug 102 are laid across the adjacent map peculiar to the map) , When the drawing of # 6 is displayed on the screen as the facility drawing, as shown in FIG.
When one specific point is designated as the water cut point 104, a search for the presence or absence of the virtual valve plug 103 set at the end of the route of the water pipe 101 connected to the water cut point 104 is executed.
Then, when it is searched that there are four virtual valve plugs 103, the drawing including the water pipe 101 connected to each virtual valve plug 103 is searched, and the drawing adjacent to the drawing of # 6 is # 2, Drawings # 5, # 7, and # 10 are selected. Furthermore, a search is performed to determine whether the valve plug 102 is present in each selected drawing. Then, when the valve plug 102 is present in each drawing, the search for data relating to this drawing is completed. In this case, the valve plug 102 is shown in the drawings of # 2, # 5, and # 7.
Exists, the search for data relating to these drawings ends. Then, these drawings are displayed as images related to the water cutoff area, and the search results of these drawings are stored as drawing search related block data. For example, the drawing of # 5 is stored as the drawing of the left coordinate 1 based on the drawing of # 6, the drawing of # 7 is stored as the drawing of the right coordinate 1 based on the drawing of # 6, and the drawing of # 2 is stored as the drawing of # 2. It is stored as the drawing of the upper coordinate 1 with reference to the drawing of FIG.

On the other hand, since the valve plug 102 does not exist in the drawing of # 10, the drawing including the water distribution pipe 101 connected to the virtual valve plug 103 of the drawing of # 10 is searched and the water distribution pipe 101 at the water cut point 104 is searched. # 10 from the connection relationship of the connected water pipes
The drawing of # 14 is selected as the drawing adjacent to. Then, it is searched whether or not the valve plug 102 is present in this drawing. In this case, the water cut point 10 of the water pipe 101 in the drawing of # 14
Since the valve plug 102 is present in the conduit of the water distribution pipe 101 connected to No. 4, the search for data relating to this drawing is completed and the search result is stored as drawing search related block data. This data is stored assuming that the drawings of # 10 and # 14 are drawings of the lower coordinate 2 with reference to the drawing of # 6.

When the search result for selecting the drawing related to the water cutoff area is stored as the drawing search related block data with reference to the drawing # 6, the drawing search related block data is stored as the drawing search related block data. After that, it is possible to quickly search for the drawing related to the water cutoff area based on the drawing in which the drawing search related block data is stored only by searching the drawing search related block data.

Next, the processing contents for searching for and displaying the drawing related to the water cutoff area according to the drawing search related block data will be described according to the drawing.

First, in step 401, the corresponding water distribution pipe drawing is searched from the facility drawings previously stored in the file device 303 of FIG. 7, and the specified water distribution pipe drawing is displayed on the screen of the CRT display device 305. To do. That is, the facility drawing displayed on the CRT display device 305 is displayed based on the facility drawing data 201 as shown in FIG. Moreover, the drawing data 201 is shown in FIG.
~ (4), the road figure 202, the house frame figure 20
3, the distribution pipe figure 204 and the like are separated into a plurality of layers. Therefore, in order to display the water cutoff area, the distribution pipe layer 2
The 04 data is extracted and the distribution pipe drawing is displayed. After the drawing of the water distribution pipe is displayed, a specific portion of the drawing of # 6 is designated as the water cut portion 104 (step 402).

Next, at step 403, the water cut point 10
Based on the drawing # 6 containing 4 as a reference, the drawing search related block data of FIG. 6 is searched. This block data is
When an arbitrary portion of the water distribution pipe 101 in the drawing # 6 is designated as a water cut point, the drawings related to the water cut point can be extracted based on the drawing # 6. Therefore, when the drawing search related block data relating to the # 6 drawing is searched, the drawing of # 5 is extracted as the drawing of the left coordinate 1, the drawing of # 7 is extracted as the drawing of the right coordinate 1, and the upper coordinate 1 is extracted. The drawing of # 2 is extracted as the drawing of
Further, the drawings of # 10 and # 14 are extracted as the drawings of the lower coordinate 2. And each extracted drawing (# 2, # 5, #
7, # 10, # 14) and # 6 drawing images are displayed as shown in FIG. 5 (step 404).

Next, in step 405, in order to identify the water cutoff region water pipe 105 that forms a closed loop region between the water pipe 101 connected to the water cut point 104 and the valve plug 102, the water pipe data is lined. Track and limit water interruption areas. That is, the water distribution pipe 1 including the water cut point 104 in the pipeline.
01 and the presence or absence of water pipe 101 in the connection relationship, the search statuses valve plug 102 in these water pipe 101,
Of the water distribution pipes 101 connected to the water cut points 104, the water cut points
Valve plug 102 and water cut-off piece for blocking water flow to the place 104
It is a water pipe that connects to the place 104 and is closed with the valve plug 102.
The water pipes that form the
The pipe belongs to this water cutoff area. It belongs to this water cutoff area as a water distribution pipe.
There are limited water supply pipelines. Therefore, the water cut point 10
4 Even if the condition of 4 or the water supply pipe route changes, the water cut point 104
And the water cutoff area is specified according to the drawing information (water pipe data).
Therefore, it is possible to specify the exact water cutoff area.

After the water cutoff area is limited, the display color of the water cutoff area distribution pipe 105 is changed to a color different from the display color of the other water distribution pipes 101 (step 406). As a result, the water cutoff area can be displayed separately from other areas, and the water cutoff area can be easily identified.

In the above embodiment, the example of the water supply pipe has been described, but the present invention is not limited to this and can be applied to the sewer pipe. Furthermore, the state of the circuit breaker at the time of power failure of the power distribution line,
Alternatively, it can be applied to the detection of leaks in gas pipes, as well as the case of determining a detour in the event of an accident such as traffic control.

[0023]

As described above, according to the present invention,
Identify the water cut area by searching the drawing information based on the water cut point
However, since the water supply pipe route of this water cut area is displayed in a different color from the water pipe line of other areas, the water cut area can be displayed separately from other areas, and the accurate water cut Areas can be easily identified.

[Brief description of drawings]

FIG. 1 is a flowchart for explaining a processing operation of a drawing display device.

FIG. 2 is a diagram showing an overall configuration of a water pipe system.

FIG. 3 is a diagram showing a relationship between a pipe in a water cutoff area and a valve plug in an adjacent drawing.

FIG. 4 is a diagram showing a database structure of facility drawings.

FIG. 5 is a diagram showing a display example of a water cutoff area.

FIG. 6 is a configuration diagram of drawing search related block data.

FIG. 7 is a block diagram showing an overall configuration of a drawing display device.

[Explanation of symbols]

 101 water pipe 102 valve plug 103 virtual valve plug 104 water cut point 105 water cut area water pipe 201 facility drawing data 202 road figure 301 CPU 302 main memory 303 file device 304 drawing input device 305 CRT display device 306 keyboard 307 tablet 308 stylus

Claims (2)

[Claims] 1. A system for converting drawing information of a water pipe system diagram into an image signal and displaying a pipe diagram of a desired water pipe route in a color image on a display screen, in which the water pipe route imaged on the display screen is displayed. Of these, specific points are designated as water cut points.
Drawing information of the water supply system diagram based on the water cut point
Search, and the water pipe connected to the water cut point by this search
Valve plugs and water cutoffs to prevent water flow to the water cutouts
Form a closed loop region between the water pipe and the valve plug.
Select the distribution pipe to be formed and belong the selected distribution pipe to the water cutoff area.
As a water distribution pipe,
A method of displaying a drawing, which is characterized by displaying an image of a water supply pipeline in a water cutoff area in a color different from other water supply pipelines. 2. Water distribution based on the drawing information of the water supply system diagram
Display target related to pipe route and pipes of this water supply pipe route
Display means for displaying a color image on the display screen
And the water pipe displayed on the display screen of the color display means
Suspended parts that specify a specific part of the route as a suspended part
Water cut specified by the place designation means and water cut point designation means
Water is cut off by searching the drawing information of the water supply system diagram based on the location.
Prevents water flow to the water cut points of the distribution pipes connected to the points
It is a water pipe that connects the valve plug and the water cut point for
Pipe selecting a pipe forming a closed loop region between
The distribution pipe selected by the selection means and the distribution pipe selection means
Water pipes in this water cutoff area as water distribution pipes belonging to the water cutoff area
Suspended area limiting means for limiting routes and suspended area limiting means
Display of water supply pipelines that belong to the water cutoff area limited by
Display of other water pipe lines that are out of color in the image
A drawing display device comprising: a display image changing means for changing a color different from an image color .