CN113570174A - Meteorological disaster avoiding route planning method - Google Patents
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- CN113570174A CN113570174A CN202111125409.2A CN202111125409A CN113570174A CN 113570174 A CN113570174 A CN 113570174A CN 202111125409 A CN202111125409 A CN 202111125409A CN 113570174 A CN113570174 A CN 113570174A
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- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 230000008439 repair process Effects 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
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Abstract
The invention discloses a meteorological disaster avoiding route planning method, which takes a slope as a disaster avoiding resistance value and utilizes an equivalent distance formula to calculate and generate a disaster avoiding route; taking a large-gradient area and a torrential flood ditch as blocking areas of the disaster-avoiding path, cutting the disaster-avoiding path by using the blocking areas, taking two end points of the cut path as a starting point and a target point, calculating the minimum value of the equivalent distance in the non-blocking area, and generating a repairing path; and finally, combining the cut disaster avoiding path with the repair path to obtain a final disaster avoiding path. The method can timely cope with the short-time strong convection meteorological disasters in mountainous areas, reasonably designs disaster avoiding routes, is beneficial to reducing casualties and disaster loss.
Description
Technical Field
The invention belongs to the technical field of disaster prevention and reduction, and particularly relates to a meteorological disaster avoiding route planning method.
Background
At present, the disaster prevention and reduction capability of mountain and rural areas is weak, the sudden nature of short-time strong convection meteorological disasters such as rainstorm, hailstone and strong wind is strong, the disaster prevention response time is short, and casualties are easily caused, so that the disaster prevention route is reasonably designed, the disaster prevention loss is favorably reduced, and the method has important significance.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems, the invention provides a meteorological disaster avoiding route planning method which is beneficial to reducing disaster loss by reasonably designing a disaster avoiding route.
The technical scheme is as follows: in order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows: a meteorological disaster avoiding route planning method specifically comprises the following steps:
step 2, setting any disaster-affected unit in the target area as a starting point and a disaster-avoiding unit as a target point, calculating equivalent distances of a plurality of paths from the starting point to the target point in the target area by using a disaster-avoiding resistance value, and selecting the path with the minimum equivalent distance as an initial disaster-avoiding path;
step 3, extracting units with disaster avoidance resistance values larger than a preset threshold value in the target area, and establishing a slope blocking buffer area by using the units to obtain a slope blocking area; the slope blocking area comprises a block consisting of units with disaster avoidance resistance values larger than a preset threshold value and outwards extending edges of the blocklA separation buffer zone formed by the distance;
step 4, extracting the torrential flood channel region in the target region by a digital hydrological analysis method, and establishing a torrential flood channel blocking buffer region to obtain the torrential flood channel blocking region; the mountain torrent ditch blocking area comprises mountain torrent ditch pattern blocks extracted by a digital hydrological analysis method and edge of the mountain torrent ditch pattern blocks extending outwardslA separation buffer zone formed by the distance;
step 5, judging whether the initial disaster avoiding path is interrupted by a slope blocking area and/or a torrential flood ditch blocking area;
if the initial disaster-avoiding path is interrupted by the slope obstruction area, taking two end points of the path interrupted by the slope obstruction area as a starting point and a target point, calculating equivalent distances of a plurality of paths from the starting point to the target point in the non-obstruction area at the moment by utilizing the disaster-avoiding resistance value, and selecting the path with the minimum equivalent distance as a slope repairing path;
if the initial disaster-avoiding path is interrupted by the mountain torrent ditch blocking area, taking two end points of the path interrupted by the mountain torrent ditch blocking area as a starting point and a target point, calculating equivalent distances of a plurality of paths from the starting point to the target point in the non-blocking area by using the disaster-avoiding resistance value, and selecting the path with the minimum equivalent distance as a mountain torrent ditch repairing path;
otherwise, the initial disaster avoiding path is the final disaster avoiding path;
and 6, splicing the interrupted initial disaster avoiding path and the repaired path to obtain a final disaster avoiding path.
Further, the equivalent distance of the certain path is calculated as follows:
in the formula (I), the compound is shown in the specification,
representing a path from a starting point to a target pointjThe equivalent distance of (a) is,i representing a pathjThrough the first stepiThe number of the units is one,nrepresenting a pathjThe total number of units that have passed through,
representing the equivalent distance of two adjacent cells,
、
respectively representing two adjacent cellsiAnd uniti+1, the value of the disaster-avoiding resistance,kdenotes the spacing of two adjacent cells, when two cells are vertically or horizontally adjacentk=1, when two cells are diagonally adjacent
。
Has the advantages that: compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the invention takes the terrain gradient as a disaster avoidance resistance value, and calculates and generates a disaster avoidance route by using an equivalent distance formula; and taking the area with the larger gradient and the torrential flood ditch as the blocking area of the disaster-avoiding path, cutting the disaster-avoiding path by using the area, taking the head and tail end points of the cut path as a starting point and an end point, and calculating the minimum value of the equivalent distance in the non-blocking area to generate the repair path. And finally, combining the cut path with the repair path to obtain a final disaster avoidance path. The method can reasonably and effectively generate a disaster avoiding path in the short-time strong convection meteorological disaster, reduce casualties and reduce disaster loss.
Drawings
Fig. 1 is a schematic diagram illustrating a method for planning a meteorological disaster avoiding route according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the equivalent distance between two adjacent cells for one embodiment;
wherein FIG. 2(a) is a schematic diagram of the equivalent distance when two units are vertically or horizontally adjacent;
FIG. 2(b) is a schematic diagram of the equivalent distance when two cell diagonals are adjacent;
FIG. 3 is a schematic diagram of the equivalent distance of two non-adjacent cells for one example.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
The invention relates to a meteorological disaster avoiding route planning method, which specifically comprises the following steps:
step one, a disaster area is taken as a target area, and the target area is divided to obtain a plurality of units; one of the cells is a square grid area with a side length of 1 m; determining the disaster avoidance resistance value of each unit in the target area by using the digital elevation model by taking the terrain gradient as the disaster avoidance resistance value; the slope of each cell is
Degree of unit;i representing a pathjThrough the first stepiA unit;
step two, referring to fig. 2(a) and 2(b), the equivalent distance of two adjacent units
The method is obtained by calculating a disaster avoidance resistance value and a unit distance:
in the formula (I), the compound is shown in the specification,
、
respectively representing two adjacent cellsiAnd uniti+1, a disaster avoidance resistance value;kmeans the distance, in meters, between two adjacent units, when two units are vertically or horizontally adjacentk=1, when two cells are diagonally adjacent
；
Step three, referring to fig. 3, the equivalent distance between two non-adjacent cells, i.e. the equivalent distance from the starting point to the target point, is calculated as follows:
in the formula (I), the compound is shown in the specification,
representing a path from a starting point to a target pointjThe equivalent distance of (a) is,i representing a pathjThrough the first stepiThe number of the units is one,nrepresenting a pathjThe total number of units that have passed through,
represents the equivalent distance of two adjacent units;
step four, generating an initial path: setting any disaster-affected unit in the target area as a starting point, a disaster-avoiding unit as a target point, selecting a unit through which an equivalent distance between the starting point and the target point (disaster-avoiding point) passes as a path, calculating the equivalent distance of a plurality of paths from the starting point to the target point by using a formula in the step three, and selecting the path with the minimum equivalent distance as an initial disaster-avoiding path as follows:
in the formula (I), the compound is shown in the specification,
representing the minimum equivalent distance from the starting point to the target point;
a set of equivalent distances representing all paths from the starting point to the target point;
step five, extracting block areas formed by units with disaster avoidance resistance values larger than 35 degrees in the target areaareaAnd establishing a slope blocking buffer area to obtain a slope blocking area
(ii) a The gradient barrier region
Is determined by the disaster-avoiding resistance value>35 ° and 5 m around it;
the region of the image blockareaThe following were used:
in the formula (I), the compound is shown in the specification,Ais the set of all cell resistance values;
step six, analyzing the method through digital hydrologyExtracting the torrential flood channel region in the target region by the method, and establishing a torrential flood channel barrier buffer region to obtain the torrential flood channel barrier region
(ii) a The mountain torrent ditch isolation area
Is composed of the area of the mountain torrent ditch and the area within 5 meters of the periphery of the mountain torrent ditch;
step seven, determining a final disaster avoiding route: referring to FIG. 1, with barrier zones
、
Cutting the whole target area to obtain a non-blocking area; by barrier zones
、
Cutting an initial disaster-avoiding path, taking the head and tail end points of the interrupted path as a starting point and a target point, calculating the equivalent distance of a plurality of paths from the starting point to the target point in the non-blocking area again, and connecting all units through which the equivalent distance passes when the equivalent distance reaches the minimum value to generate a repair path; and finally, combining the cut path with the repair path to obtain a final disaster avoidance path.
Claims (4)
1. A meteorological disaster avoiding route planning method is characterized by comprising the following steps:
step 1, taking a disaster area as a target area, and dividing the target area to obtain a plurality of units; one of the cells is a square grid area with a side length of 1 m; determining the disaster avoidance resistance value of each unit in the target area by using the digital elevation model by taking the terrain gradient as the disaster avoidance resistance value;
step 2, setting any disaster-affected unit in the target area as a starting point and a disaster-avoiding unit as a target point, calculating equivalent distances of a plurality of paths from the starting point to the target point in the target area by using a disaster-avoiding resistance value, and selecting the path with the minimum equivalent distance as an initial disaster-avoiding path;
step 3, extracting units with disaster avoidance resistance values larger than a preset threshold value in the target area, and establishing a slope blocking buffer area by using the units to obtain a slope blocking area;
step 4, extracting the torrential flood channel region in the target region by a digital hydrological analysis method, and establishing a torrential flood channel blocking buffer region to obtain the torrential flood channel blocking region;
step 5, judging whether the initial disaster avoiding path is interrupted by a slope blocking area and/or a torrential flood ditch blocking area;
if the initial disaster-avoiding path is interrupted by the slope obstruction area, taking two end points of the path interrupted by the slope obstruction area as a starting point and a target point, calculating equivalent distances of a plurality of paths from the starting point to the target point in the non-obstruction area at the moment by utilizing the disaster-avoiding resistance value, and selecting the path with the minimum equivalent distance as a slope repairing path;
if the initial disaster-avoiding path is interrupted by the mountain torrent ditch blocking area, taking two end points of the path interrupted by the mountain torrent ditch blocking area as a starting point and a target point, calculating equivalent distances of a plurality of paths from the starting point to the target point in the non-blocking area by using the disaster-avoiding resistance value, and selecting the path with the minimum equivalent distance as a mountain torrent ditch repairing path;
otherwise, the repair path does not exist, and the initial disaster avoiding path is the final disaster avoiding path;
and 6, splicing the interrupted initial disaster avoiding path and the repaired path to obtain a final disaster avoiding path.
2. The method for planning a meteorological disaster avoiding route according to claim 1, wherein a calculation formula of the equivalent distance is as follows:
in the formula (I), the compound is shown in the specification,
representing a path from a starting point to a target pointj ，i Representing a pathjThrough the first stepiThe number of the units is one,nrepresenting a pathjThe total number of units that have passed through,
representing the equivalent distance of two adjacent cells,
、
respectively represent unitsiAnd uniti+1, the value of the disaster-avoiding resistance,kdenotes the spacing of two adjacent cells, when two cells are vertically or horizontally adjacentk=1, when two cells are diagonally adjacent
。
3. The method as claimed in claim 1, wherein the gradient blocking area includes blocks composed of units with a disaster-avoiding resistance value greater than a predetermined threshold, and edges of the blocks extend outwardlThe distance constitutes a barrier buffer.
4. The method for planning a disaster-avoiding route for meteorological disasters according to claim 1, wherein the mountain torrent gutter isolation area comprises mountain torrent gutter blocks extracted by a digital hydrological analysis method and edge of the mountain torrent gutter blocks extending outwardslThe distance constitutes a barrier buffer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114021025A (en) * | 2022-01-06 | 2022-02-08 | 深圳市沃特沃德软件技术有限公司 | Path recommendation method, device, equipment and storage medium based on meteorological information |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2710809A1 (en) * | 2008-03-10 | 2009-09-17 | Exxonmobil Upstream Research Company | Method for determining distinct alternative paths between two object sets in 2-d and 3-d heterogeneous data |
| CN108132980A (en) * | 2017-12-13 | 2018-06-08 | 国家电网公司 | Electric power rescue and relief work paths planning method in mountain area under a kind of rainstorm weather |
| CN109724606A (en) * | 2019-01-23 | 2019-05-07 | 北京信息科技大学 | Water bursting in mine based on improved A* algorithm keeps away calamity paths planning method and device |
| CN112556711A (en) * | 2020-11-17 | 2021-03-26 | 浙江大学 | Planning method suitable for fastest walking path of emergency refuge in complex terrain in mountainous area |
| WO2021184793A1 (en) * | 2020-03-17 | 2021-09-23 | 深圳先进技术研究院 | Path planning method and apparatus, electronic device, and storage medium |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2710809A1 (en) * | 2008-03-10 | 2009-09-17 | Exxonmobil Upstream Research Company | Method for determining distinct alternative paths between two object sets in 2-d and 3-d heterogeneous data |
| CN108132980A (en) * | 2017-12-13 | 2018-06-08 | 国家电网公司 | Electric power rescue and relief work paths planning method in mountain area under a kind of rainstorm weather |
| CN109724606A (en) * | 2019-01-23 | 2019-05-07 | 北京信息科技大学 | Water bursting in mine based on improved A* algorithm keeps away calamity paths planning method and device |
| WO2021184793A1 (en) * | 2020-03-17 | 2021-09-23 | 深圳先进技术研究院 | Path planning method and apparatus, electronic device, and storage medium |
| CN112556711A (en) * | 2020-11-17 | 2021-03-26 | 浙江大学 | Planning method suitable for fastest walking path of emergency refuge in complex terrain in mountainous area |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114021025A (en) * | 2022-01-06 | 2022-02-08 | 深圳市沃特沃德软件技术有限公司 | Path recommendation method, device, equipment and storage medium based on meteorological information |
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