CN116977481A - Auxiliary programming method and system for homeland space planning - Google Patents
Auxiliary programming method and system for homeland space planning Download PDFInfo
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Abstract
The invention provides a homeland space planning auxiliary compiling method and system, which are characterized in that a city and county remote sensing image map and a city and county administrative boundary map of a village and county to be partitioned are obtained, then the city and county remote sensing image map is divided into areas, then a target remote sensing image map is determined according to the village and county remote sensing image maps of the villages and towns, and the boundary of the target remote sensing image map is marked; identifying each region to be divided in the target remote sensing image with the boundary line, and respectively calculating the area of the actual region to be divided; obtaining the areas of all target areas of villages and towns to be partitioned, and respectively calculating the areas of all areas to be planned according to the areas of the areas to be partitioned; according to a preset rule, the areas are sequentially adjusted, corresponding target boundary lines are respectively drawn, and a remote sensing image with the target boundary lines is output for reference by a user, so that the problems that the traditional mode of dividing the control lines manually is low in efficiency and inaccurate in division are effectively solved.
Description
Technical Field
The invention belongs to the technical field of auxiliary programming of homeland space planning, and particularly relates to an auxiliary programming method and an auxiliary programming system for homeland space planning.
Background
In general, three basic control lines including an ecological protection red line, a permanent basic farmland protection red line and a town development boundary are divided in a manual mode, wherein an established planning target is taken as a benchmark, excellent division cases of other villages and towns in China are used for dividing the control lines of the villages and towns to be planned currently, the efficiency of the mode of dividing the control lines manually is low, and meanwhile, the case of the application is possibly not in line with the actual situation of the villages and towns currently, and the risk of inaccurate division exists.
Disclosure of Invention
Based on the above, the embodiment of the invention provides a homeland space planning auxiliary compiling method and system, which aim to solve the problems that in the prior art, the efficiency of a mode of manually dividing a control line is low, and meanwhile, the applied case may not conform to the actual situation of the current villages and towns, and the risk of inaccurate division exists.
A first aspect of an embodiment of the present invention provides a method for assisted programming of homeland space planning, the method including:
acquiring a city and county remote sensing image map and a city and county administrative boundary map of a village and a county to be partitioned, and dividing the city and county remote sensing image map according to the city and county administrative boundary map to obtain a village and county remote sensing image map of each village and town under the planning of the city and county;
Determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, and marking the boundary of the target remote sensing image to obtain a target remote sensing image with a boundary line;
identifying an ecological protection area, a farmland area and a town area in a target remote sensing image with boundary lines, and respectively calculating an actual first ecological protection area, a first farmland area and a first town area;
acquiring a target ecological protection area, a target permanent basic farmland area and a target town development area of a village and town to be partitioned, and respectively calculating a second ecological protection area, a second farmland area and a second town area which need to be planned according to the first ecological protection area, the first farmland area and the first town area;
sequentially adjusting the ecological protection area, the farmland area and the town area according to the planning sequence of the second ecological protection area, the second farmland area and the second town area, and respectively drawing corresponding target boundary lines according to adjustment results;
and outputting a remote sensing image with the target boundary line for reference of a user.
Further, the step of identifying the ecological protection area, the farmland area and the town area in the target remote sensing image map with the boundary line and calculating the actual first ecological protection area, the first farmland area and the first town area respectively includes:
calculating the shortest interval distance between adjacent target remote sensing image maps with boundaries according to the target remote sensing image maps with boundaries;
judging whether the interval distance is smaller than a preset distance or not;
if yes, determining a target line segment with the shortest interval distance, and taking the target line segment as a base line, extending a preset distance to two sides in parallel, and determining an edge line segment between adjacent target remote sensing image graphs with boundaries;
determining a closed area enclosed according to the edge line segments and the adjacent target remote sensing image map with the boundary;
calculating the area of the closed area, and judging whether the area of the closed area is smaller than a preset area or not;
if yes, combining the adjacent target remote sensing image graphs with the boundaries to obtain an overall remote sensing image graph.
Further, the step of obtaining a city and county remote sensing image map of the village and county to be partitioned and a city and county administrative boundary map, and dividing the city and county remote sensing image map according to the city and county administrative boundary map to obtain the city and county remote sensing image map of each village and county under the city and county planning comprises the following steps:
Acquiring a city and county remote sensing image map, a city and county administrative boundary map and a preset map scale of a town to be partitioned, and scaling the city and county remote sensing image map and the city and county administrative boundary map in equal proportion according to the preset map scale so that the city and county remote sensing image map and the city and county administrative boundary map reach the size of the preset map scale;
overlapping the city and county remote sensing image and the city and county administrative boundary image, and mapping the boundary line of the city and county administrative boundary image to the city and county remote sensing image to obtain a city and county remote sensing image with the boundary line;
and dividing the region of the city and county remote sensing image according to the boundary line on the city and county remote sensing image to obtain the village and town remote sensing image of each village and town under the city and county planning.
Further, in the step of determining the target remote sensing image map corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image map of each village and towns, and marking the boundary of the target remote sensing image map to obtain the target remote sensing image map with the boundary line, other boundaries except the boundary of the target remote sensing image map in the city and county remote sensing image map with the boundary line are removed.
Further, the step of identifying the ecological protection area, the farmland area and the town area in the target remote sensing image map with the boundary line, and calculating the actual first ecological protection area, the first farmland area and the first town area respectively includes:
acquiring target feature points corresponding to an ecological protection area, a farmland area and a town area, and identifying the ecological protection area, the farmland area and the town area in a target remote sensing image with boundary lines according to the target feature points;
and respectively calculating a first ecological protection area, a first farmland area and a first town area corresponding to the ecological protection area, the farmland area and the town area in the target remote sensing image map with the boundary according to the preset map scale.
Further, the steps of sequentially adjusting the ecological protection area, the farmland area and the town area according to the planning sequence of the second ecological protection area, the second farmland area and the second town area, and respectively drawing corresponding target boundary lines according to the adjustment results include:
judging whether the ecological protection area needs to be enlarged according to the second ecological protection area;
If yes, marking the roads which are positioned outside the ecological protection area and are adjacent to the ecological protection area in the target remote sensing image map, and drawing a first target closed area by the marked roads;
identifying the first target closed area, and judging whether a target barrier exists in the first target closed area;
if not, according to the second ecological protection area, controlling the ecological protection area to expand outwards in the target closed area to obtain an expanded ecological protection area, and drawing a first target boundary line;
judging whether the farmland area needs to be enlarged or not according to the second farmland area;
if yes, acquiring the farmland area, and expanding the farmland area according to a preset rule to obtain an expandable area;
drawing a target area meeting the second farmland area in the expandable area according to the second farmland area, combining the target area with the farmland area, and drawing a second target boundary line;
judging whether the town area needs to be enlarged according to the second town area;
if yes, marking the roads which are positioned outside the town area and adjacent to the town area in the target remote sensing image map, and drawing a second target closed area by marking the marked roads;
According to the second town area, controlling the town area to expand outwards in the second target enclosed area to obtain an expanded town area, and drawing a third target boundary line;
judging whether the second target boundary line and the third target boundary line intersect with the first target boundary line;
and if not, executing the step of outputting the remote sensing image map with the target boundary line for reference by a user.
Further, the step of determining whether the second target boundary line and the third target boundary line intersect with the first target boundary line includes:
when the second target boundary line and the third target boundary line are judged to be intersected with the first target boundary line, acquiring the area of the intersected part, and determining the intersected area according to the area of the intersected part;
and removing the area of the crossed part from the area framed by the first target boundary line, and controlling the farmland area and the town area to expand towards the direction away from the area framed by the first target boundary line according to the crossed area.
A second aspect of an embodiment of the present invention provides a homeland space planning assistance compilation system, the system comprising:
The regional division module is used for acquiring a city and county remote sensing image map of a village and a county to be partitioned and a city and county administrative boundary map, and dividing the city and county remote sensing image map region according to the city and county administrative boundary map to obtain a village and county remote sensing image map of each village and town under a city and county planning;
the boundary marking module is used for determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, marking the boundary of the target remote sensing image, and obtaining a target remote sensing image with a boundary line;
the first area calculation module is used for identifying an ecological protection area, a farmland area and a town area in the target remote sensing image with the boundary line, and calculating an actual first ecological protection area, a first farmland area and a first town area respectively;
the second area calculation module is used for acquiring a target ecological protection area, a target permanent basic farmland area and a target town development area of the villages and towns to be partitioned, and calculating a second ecological protection area, a second farmland area and a second town area which also need to be planned according to the first ecological protection area, the first farmland area and the first town area respectively;
The target boundary line drawing module is used for adjusting the ecological protection area, the farmland area and the town area in sequence according to the planning sequence of the second ecological protection area, the second farmland area and the second town area, and drawing corresponding target boundary lines according to adjustment results;
and the output module is used for outputting the remote sensing image map with the target boundary line for reference of a user.
A third aspect of an embodiment of the present invention provides a computer-readable storage medium comprising:
the readable storage medium stores one or more programs which when executed by a processor implement the homeland space planning assistance compilation method of the first aspect.
A fourth aspect of an embodiment of the present invention provides an electronic device, wherein the electronic device includes a memory and a processor, and wherein:
the memory is used for storing a computer program;
the processor is used for realizing the auxiliary programming method for the homeland space planning of the first aspect when executing the computer program stored on the memory.
According to the method and the system for aided programming of the homeland space planning, a city and county remote sensing image map and a city and county administrative boundary map of a village and a county to be partitioned are obtained, and the city and county remote sensing image map areas are divided according to the city and county administrative boundary map, so that a village and county remote sensing image map of each village and county under the city and county planning is obtained; determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, and marking the boundary of the target remote sensing image to obtain a target remote sensing image with a boundary line; identifying each region to be divided in the target remote sensing image with the boundary line, and respectively calculating the area of the actual region to be divided; obtaining the areas of all target areas of villages and towns to be partitioned, and respectively calculating the areas of all areas to be planned according to the areas of the areas to be partitioned; according to the preset rules, the areas are sequentially adjusted, corresponding target boundary lines are respectively drawn according to adjustment results, a remote sensing image graph with the target boundary lines is output for reference of a user, the problem that the traditional mode of dividing the control lines manually is low in efficiency, meanwhile, the applied case possibly does not accord with the actual situation of the current villages and towns, and the problem of inaccurate division exists is effectively solved.
Drawings
Fig. 1 is a flowchart of an implementation of a method for assisting in planning a homeland space according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a homeland space planning auxiliary compiling system according to a second embodiment of the invention;
fig. 3 is a block diagram of an electronic device according to a third embodiment of the present invention.
The following detailed description will be further described with reference to the above-described drawings.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, fig. 1 shows a homeland space planning auxiliary compiling method according to a first embodiment of the present invention, and the method specifically includes steps S01 to S06.
Step S01, a city and county remote sensing image map and a city and county administrative boundary map of a village and a county to be partitioned are obtained, and the city and county remote sensing image map is divided according to the city and county administrative boundary map, so as to obtain the village and county remote sensing image map of each village and town under the city and county planning.
Specifically, a city and county remote sensing image map, a city and county administrative boundary map and a preset map scale are obtained, and the city and county remote sensing image map and the city and county administrative boundary map are scaled in equal proportion according to the preset map scale so that the city and county remote sensing image map and the city and county administrative boundary map reach the size of the preset map scale, and the preset map scale is required to indicate the ratio of the length of a line segment on the map to the actual length corresponding to the ground, wherein the large scale map is 1:500, 1:1000, 1:2000, 1:5000, 1:1 ten thousand and the like; the middle scale map has 1:2.5 ten thousand, 1:5 ten thousand, 1:10 ten thousand and the like; the small scale map has 1:25 ten thousand, 1:50 ten thousand, 1:100 ten thousand and the like.
Further, the city and county remote sensing image map and the city and county administrative boundary map are overlapped, the boundary line of the city and county administrative boundary map is mapped to the city and county remote sensing image map, the city and county remote sensing image map with the boundary line is obtained, and then the city and county remote sensing image map area is divided according to the boundary line on the city and county remote sensing image map, so that the town remote sensing image map of each town under the city and county planning is obtained.
Step S02, determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, and marking the boundary of the target remote sensing image to obtain a target remote sensing image with a boundary line.
In this embodiment, although the town remote sensing image maps of each town are divided, there may be some town remote sensing image maps that are not needed by the user, i.e. planned or temporarily not needed, so that, in order to make the display interface more concise, and also to facilitate subsequent recognition and improve recognition efficiency, other boundaries except for the boundary of the target remote sensing image map in the city and county remote sensing image map with boundary lines are removed, and specifically, the boundary of the target remote sensing image map remaining in the city and county remote sensing image map may be displayed in high light.
And S03, identifying an ecological protection area, a farmland area and a town area in the target remote sensing image with the boundary line, and respectively calculating an actual first ecological protection area, a first farmland area and a first town area.
Specifically, before each area is identified, firstly, calculating the shortest interval distance between adjacent target remote sensing image images with boundaries according to the target remote sensing image images with boundaries, namely, respectively obtaining boundary coordinate points of the adjacent target remote sensing image images with boundaries, wherein the boundary coordinate points can be longitude and latitude data, calculating distance values between boundary coordinate points positioned on the boundaries of different target remote sensing image images, taking the minimum distance value as the shortest interval distance, then judging whether the interval distance is smaller than a preset distance, if the interval distance is not smaller than the preset distance, respectively identifying an ecological protection area, a farmland area and a town area in the adjacent target remote sensing image images with boundaries, and respectively calculating an actual first ecological protection area, a first farmland area and a first town area, if the interval distance is smaller than the preset distance, determining a target line segment with the shortest interval distance, and expanding the preset distance to two sides in parallel by taking the target line segment as a base line, and determining an edge line segment between the adjacent target remote sensing image images with the boundaries; determining a closed area enclosed according to the edge line segments and the adjacent target remote sensing image with the boundary; calculating the area of the closed area, and judging whether the area of the closed area is smaller than a preset area or not; if the space adjacency between villages and towns is described, the adjacent target remote sensing image graphs with boundaries are combined to obtain an overall remote sensing image graph, and it can be understood that after the villages and towns are combined, the respective targets are converted into common targets, namely, the target ecological protection area, the target permanent basic farmland area and the target town development area are considered integrally.
In this embodiment, in order to calculate the actual first ecological protection area, the first farmland area and the first town area respectively, specifically, obtain the target feature points corresponding to the ecological protection area, the farmland area and the town area, identify the ecological protection area, the farmland area and the town area in the target remote sensing image map with boundary lines according to the target feature points, it should be noted that the ecological protection area refers to a green plant with a certain scale, a water area and the like, the corresponding target feature points of the ecological protection area are the feature points of green plants and water areas, the target feature points of the farmland area are the feature points of crops and ridges, the target feature points of the town area are the feature points of buildings and streets, the target feature points are taken as training items for image identification, and an image identification model is established, so that when an image is input, the corresponding area is identified according to the target feature points, in addition, in order to improve the identification accuracy of the image identification model, for example, the feature points of green plants in the ecological protection area may exist in the rural greening area, the feature points may be prevented from being mistakenly identified in the green greening area, and if the feature points in the rural greening area may be identified in the green greening area, and the other feature points may be considered as not belonging to the green greening area.
Further, according to a preset map scale, the actual first ecological protection area, the first farmland area and the first town area corresponding to the ecological protection area, the farmland area and the first town area in the target remote sensing image with the boundary are calculated respectively, and it is required to explain that a mapping model is firstly established, the mapping model is established based on the three parameters of the preset map scale, the actual area of the boundary remote sensing image and the area of a single pixel point, the mapping model is used for inputting the preset map scale, the corresponding area of the single pixel point is output, specifically, when the mapping model is established, firstly, a remote sensing image map with the known map scale is obtained, and the boundary of the target area in the remote sensing image map is marked manually and/or automatically, meanwhile, the number of all pixel points circled by the boundary is determined, and as the actual area of the target area is known (determined through real land exploration), the actual area represented by the single pixel point can be determined, by the same method, the corresponding area of the single pixel point can be established under different map scales, and the calculated according to the number of the calculated corresponding pixels in the preset map area and the actual area.
Step S04, obtaining a target ecological protection area, a target permanent basic farmland area and a target town development area of the villages and towns to be partitioned, and respectively calculating a second ecological protection area, a second farmland area and a second town area which need to be planned according to the first ecological protection area, the first farmland area and the first town area.
The second ecological protection area, the second farmland area and the second town area are differences among the target ecological protection area, the target permanent basic farmland area and the target town development area of the villages and towns to be partitioned, and the corresponding first ecological protection area, first farmland area and first town area.
And step S05, adjusting the ecological protection area, the farmland area and the town area in sequence according to the planning sequence of the second ecological protection area, the second farmland area and the second town area, and respectively drawing corresponding target boundary lines according to adjustment results.
Specifically, whether the ecological protection area needs to be enlarged is judged according to the second ecological protection area, wherein when the target ecological protection area is larger than the first ecological protection area, the ecological protection area needs to be enlarged is described, if the ecological protection area needs to be enlarged, roads which are located outside the ecological protection area and are adjacent to the ecological protection area in the target remote sensing image map are marked, wherein the roads comprise expressways, national roads, provincials and the like, the marked roads are drawn, and a first target closed area is drawn, wherein the first target closed area can be a minimum closed area formed by combining different roads.
And then identifying the first target closed area, judging whether a target barrier exists in the first target closed area, wherein the target barrier can be a residential building, a breeding base and the like, if the target barrier does not exist in the first target closed area, controlling the ecological protection area to expand outwards in the target closed area according to the second ecological protection area to obtain an expanded ecological protection area, drawing a first target boundary line, and if the target barrier exists in the first target closed area, judging whether the target barrier is positioned on the same side in the first target closed area, if the target barrier exists in the first target closed area, controlling the ecological protection area to expand towards the other side of the target barrier in the target closed area, obtaining the expanded ecological protection area, and drawing the first target boundary line.
Further, judging whether the farmland area needs to be enlarged according to the second farmland area, wherein when the target permanent basic farmland area is larger than the first farmland area, the farmland area needs to be enlarged, if the farmland area needs to be enlarged, acquiring the farmland area, expanding the farmland area according to a preset rule to obtain an expandable area, specifically, based on the current farmland area, outwardly extending a farmland subarea with a preset unit area, wherein the farmland subarea is rectangular, then drawing a target area meeting the second farmland area in the expandable area according to the second farmland area, combining the target area with the farmland area, and drawing a second target boundary line. In addition, in towns, there are often many farmland areas, and in order to ensure the quality of farmland, in this embodiment, harvest conditions of historical farmland areas are obtained, and a target expanded farmland area is determined according to the harvest conditions, that is, the farmland area is preferentially expanded from the target expanded farmland area.
In addition, judging whether the town area needs to be enlarged according to the second town area, and similarly, when the target town development area is larger than the first town area, indicating that the town area needs to be enlarged, if the target town area needs to be enlarged, marking roads which are positioned outside the town area and are adjacent to the town area in the target remote sensing image map, wherein the roads comprise highways, national roads, provinces and the like, drawing a second target closed area, controlling the town area to be outwardly expanded in the second target closed area according to the second town area, obtaining the expanded town area, and drawing a third target boundary line.
Finally, whether the second target boundary line and the third target boundary line intersect with the first target boundary line is judged, and the principle of reconciling the three boundary contradictions is that the first target boundary line is prioritized, namely, the village construction land and the farmland to be vacated are only increased and not decreased in the first target boundary line, so when the second target boundary line and the third target boundary line intersect with the first target boundary line, the area of the intersecting part is obtained, the intersecting area is determined according to the area of the intersecting part, the area of the intersecting part is removed from the area framed by the first target boundary line, the farmland area and the town area are controlled to be expanded towards the direction far from the area framed by the first target boundary line according to the intersecting area, and the target boundary line is drawn again.
In this embodiment, on the premise of ensuring that the second target boundary line and the third target boundary line do not intersect with the first target boundary line, if the second target boundary line and the third target boundary line intersect, the second target boundary line and the third target boundary line may be defined in an interactive manner, that is, the second target boundary line and the third target boundary line may be embedded with each other, but do not intersect with each other.
Step S06, outputting a remote sensing image with the target boundary line for reference of a user.
In summary, according to the homeland space planning auxiliary programming method in the embodiment of the invention, the urban and county remote sensing image map of the villages and towns to be partitioned and the administrative boundary map of the urban and county are obtained, and the urban and county remote sensing image map region is divided according to the urban and county administrative boundary map, so as to obtain the urban and county remote sensing image map of each village and towns under urban and county planning; determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, and marking the boundary of the target remote sensing image to obtain a target remote sensing image with a boundary line; identifying each region to be divided in the target remote sensing image with the boundary line, and respectively calculating the area of the actual region to be divided; obtaining the areas of all target areas of villages and towns to be partitioned, and respectively calculating the areas of all areas to be planned according to the areas of the areas to be partitioned; according to the preset rules, the areas are sequentially adjusted, corresponding target boundary lines are respectively drawn according to adjustment results, a remote sensing image graph with the target boundary lines is output for reference of a user, the problem that the traditional mode of dividing the control lines manually is low in efficiency, meanwhile, the applied case possibly does not accord with the actual situation of the current villages and towns, and the problem of inaccurate division exists is effectively solved.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a system for assisting planning and compiling a homeland space according to a second embodiment of the present invention, and the system 200 for assisting planning and compiling a homeland space comprises: a region dividing module 21, a boundary marking module 22, a first area calculating module 23, a second area calculating module 24, a target boundary line drawing module 25, and an output module 26, wherein:
the regional division module 21 is configured to obtain a city and county remote sensing image map of a town to be partitioned and a city and county administrative boundary map, and divide the city and county remote sensing image map region according to the city and county administrative boundary map to obtain a city and county remote sensing image map of each town under a city and county planning;
the boundary marking module 22 is configured to determine a target remote sensing image map corresponding to a town to be partitioned according to the town remote sensing image maps of each town, and mark a boundary of the target remote sensing image map to obtain a target remote sensing image map with a boundary line, where other boundaries except the boundary of the target remote sensing image map in the city county remote sensing image map with the boundary line are removed;
the first area calculation module 23 is configured to identify an ecological protection area, a farmland area and a town area in the target remote sensing image map with boundary lines, and calculate an actual first ecological protection area, a first farmland area and a first town area, respectively;
The second area calculating module 24 is configured to obtain a target ecological protection area, a target permanent basic farmland area, and a target town development area of a town to be partitioned, and calculate a second ecological protection area, a second farmland area, and a second town area that need to be planned according to the first ecological protection area, the first farmland area, and the first town area, respectively;
the target boundary line drawing module 25 is configured to sequentially adjust the ecological protection area, the farmland area, and the town area according to the planning order of the second ecological protection area, the second farmland area, and the second town area, and draw corresponding target boundary lines according to the adjustment results, respectively;
the output module 26 is configured to output a remote sensing image map with the target boundary line for reference by a user.
Further, in other embodiments of the present invention, the homeland space planning assistance programming system 200 further comprises:
the interval distance calculation module is used for calculating the shortest interval distance between adjacent target remote sensing image images with boundaries according to the target remote sensing image images with boundaries;
The first judging module is used for judging whether the interval distance is smaller than a preset distance or not;
the edge line segment determining module is used for determining a target line segment with the shortest interval distance when the interval distance is smaller than the preset distance, and expanding the preset distance to two sides in parallel by taking the target line segment as a base line to determine the edge line segment between the adjacent target remote sensing image graphs with the boundaries;
the closed region determining module is used for determining a closed region according to the edge line segments and the adjacent target remote sensing image map with the boundary;
the second judging module is used for calculating the area of the closed area and judging whether the area of the closed area is smaller than a preset area or not;
and the combination module is used for combining the adjacent target remote sensing image graphs with the boundaries when the area of the closed area is judged to be smaller than the preset area, so as to obtain an overall remote sensing image graph.
Further, in other embodiments of the present invention, the area dividing module 21 includes:
the zoom unit is used for obtaining a city and county remote sensing image map, a city and county administrative boundary map and a preset map scale, and carrying out equal proportion zoom on the city and county remote sensing image map and the city and county administrative boundary map according to the preset map scale so that the city and county remote sensing image map and the city and county administrative boundary map reach the size of the preset map scale;
The mapping unit is used for overlapping the city and county remote sensing image and the city and county administrative boundary image, and mapping the boundary line of the city and county administrative boundary image onto the city and county remote sensing image to obtain a city and county remote sensing image with the boundary line;
and the dividing unit is used for dividing the region of the city and county remote sensing image according to the boundary line on the city and county remote sensing image to obtain the village and town remote sensing image of each village and town under the city and county planning.
Further, in other embodiments of the present invention, the first area calculating module 23 includes:
the recognition unit is used for acquiring target feature points corresponding to the ecological protection area, the farmland area and the town area, and recognizing the ecological protection area, the farmland area and the town area in the target remote sensing image map with the boundary line according to the target feature points;
and the first calculating unit is used for respectively calculating a first ecological protection area, a first farmland area and a first town area corresponding to the ecological protection area, the farmland area and the town area in the target remote sensing image map with the boundary according to the preset map scale.
Further, in other embodiments of the present invention, the target boundary line drawing module 25 includes:
The first judging unit is used for judging whether the ecological protection area needs to be enlarged according to the second ecological protection area;
the first target closed region drawing unit is used for marking roads which are positioned outside the ecological protection region and adjacent to the ecological protection region in the target remote sensing image graph when the ecological protection region is judged to be required to be enlarged, and drawing the marked roads into the first target closed region;
the second judging unit is used for identifying the first target closed area and judging whether a target barrier exists in the first target closed area or not;
the first target boundary line drawing unit is used for controlling the ecological protection area to expand outwards in the target closed area according to the second ecological protection area when the first target closed area is judged to be free of target barriers, obtaining an expanded ecological protection area and drawing a first target boundary line;
the third judging unit is used for judging whether the farmland area needs to be enlarged according to the second farmland area;
the expansion unit is used for acquiring the farmland area when judging that the farmland area needs to be expanded, and expanding the farmland area according to a preset rule to obtain an expandable area;
A second target boundary line drawing unit for drawing a target area satisfying a second farmland area in the expandable area according to the second farmland area, and combining the target area and the farmland area to draw a second target boundary line;
a fourth judging unit, configured to judge whether the town area needs to be enlarged according to the second town area;
the second target closed region drawing unit is used for marking roads which are positioned outside the town region and adjacent to the town region in the target remote sensing image map when the town region is judged to be enlarged, and drawing the second target closed region by marking the marked roads;
the third target boundary line drawing unit is used for controlling the town area to be outwards expanded in the second target enclosed area according to the second town area, obtaining an expanded town area and drawing a third target boundary line;
and a fifth judging unit configured to judge whether the second target boundary line and the third target boundary line intersect with the first target boundary line.
Further, in other embodiments of the present invention, the target boundary line drawing module 25 further includes:
A crossing area determining unit configured to acquire a region of a crossing portion when it is determined that the second target boundary line and the third target boundary line cross the first target boundary line, and determine a crossing area according to the region of the crossing portion;
and the removing unit is used for removing the area of the crossed part from the area framed by the first target boundary line and controlling the farmland area and the town area to expand towards the direction away from the area framed by the first target boundary line according to the crossed area.
Example III
In another aspect, referring to fig. 3, a block diagram of an electronic device according to a third embodiment of the present invention is provided, including a memory 20, a processor 10, and a computer program 30 stored in the memory and capable of running on the processor, where the processor 10 implements the above-mentioned auxiliary planning method for the homeland space planning when executing the computer program 30.
The processor 10 may be, among other things, a central processing unit (Central Processing Unit, CPU), a controller, a microcontroller, a microprocessor or other data processing chip for running program code or processing data stored in the memory 20, e.g. executing an access restriction program or the like, in some embodiments.
The memory 20 includes at least one type of readable storage medium including flash memory, a hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 20 may in some embodiments be an internal storage unit of the electronic device, such as a hard disk of the electronic device. The memory 20 may also be an external storage device of the electronic device in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card) or the like. Further, the memory 20 may also include both internal storage units and external storage devices of the electronic device. The memory 20 may be used not only for storing application software of an electronic device and various types of data, but also for temporarily storing data that has been output or is to be output.
It should be noted that the structure shown in fig. 3 does not constitute a limitation of the electronic device, and in other embodiments the electronic device may comprise fewer or more components than shown, or may combine certain components, or may have a different arrangement of components.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, realizes the auxiliary programming method for the homeland space planning.
Those of skill in the art will appreciate that the logic and/or steps represented in the flow diagrams or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electrical device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium may even be paper or other suitable medium upon which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data states, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The auxiliary programming method for the homeland space planning is characterized by comprising the following steps of:
acquiring a city and county remote sensing image map and a city and county administrative boundary map of a village and a county to be partitioned, and dividing the city and county remote sensing image map according to the city and county administrative boundary map to obtain a village and county remote sensing image map of each village and town under the planning of the city and county;
determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, and marking the boundary of the target remote sensing image to obtain a target remote sensing image with a boundary line;
identifying an ecological protection area, a farmland area and a town area in a target remote sensing image with boundary lines, and respectively calculating an actual first ecological protection area, a first farmland area and a first town area;
Acquiring a target ecological protection area, a target permanent basic farmland area and a target town development area of a village and town to be partitioned, and respectively calculating a second ecological protection area, a second farmland area and a second town area which need to be planned according to the first ecological protection area, the first farmland area and the first town area;
sequentially adjusting the ecological protection area, the farmland area and the town area according to the planning sequence of the second ecological protection area, the second farmland area and the second town area, and respectively drawing corresponding target boundary lines according to adjustment results;
and outputting a remote sensing image with the target boundary line for reference of a user.
2. The method for assisting in planning and compiling a homeland space according to claim 1, wherein the steps of identifying an ecological protection area, a farmland area and a town area in the target remote sensing image map with boundary lines and calculating an actual first ecological protection area, a first farmland area and a first town area respectively comprise:
calculating the shortest interval distance between adjacent target remote sensing image maps with boundaries according to the target remote sensing image maps with boundaries;
Judging whether the interval distance is smaller than a preset distance or not;
if yes, determining a target line segment with the shortest interval distance, and taking the target line segment as a base line, extending a preset distance to two sides in parallel, and determining an edge line segment between adjacent target remote sensing image graphs with boundaries;
determining a closed area enclosed according to the edge line segments and the adjacent target remote sensing image map with the boundary;
calculating the area of the closed area, and judging whether the area of the closed area is smaller than a preset area or not;
if yes, combining the adjacent target remote sensing image graphs with the boundaries to obtain an overall remote sensing image graph.
3. The method according to claim 2, wherein the steps of obtaining a city and county remote sensing image map of a town to be partitioned and a city and county administrative boundary map, and dividing the city and county remote sensing image map according to the city and county administrative boundary map to obtain the city and county remote sensing image map of each town under the city and county plan comprise:
acquiring a city and county remote sensing image map, a city and county administrative boundary map and a preset map scale of a town to be partitioned, and scaling the city and county remote sensing image map and the city and county administrative boundary map in equal proportion according to the preset map scale so that the city and county remote sensing image map and the city and county administrative boundary map reach the size of the preset map scale;
Overlapping the city and county remote sensing image and the city and county administrative boundary image, and mapping the boundary line of the city and county administrative boundary image to the city and county remote sensing image to obtain a city and county remote sensing image with the boundary line;
and dividing the region of the city and county remote sensing image according to the boundary line on the city and county remote sensing image to obtain the village and town remote sensing image of each village and town under the city and county planning.
4. The aided planning method of claim 3, wherein in the step of determining a target remote sensing image map corresponding to a town to be partitioned according to the town remote sensing image map of each town and marking the boundary of the target remote sensing image map to obtain a target remote sensing image map with a boundary line, other boundaries except the boundary of the target remote sensing image map in the city and county remote sensing image map with a boundary line are removed.
5. The aided programming method of claim 4, wherein the steps of identifying an ecological protection area, a farmland area and a town area in the target remote sensing image map with boundary lines, and calculating an actual first ecological protection area, a first farmland area and a first town area respectively include:
Acquiring target feature points corresponding to an ecological protection area, a farmland area and a town area, and identifying the ecological protection area, the farmland area and the town area in a target remote sensing image with boundary lines according to the target feature points;
and respectively calculating a first ecological protection area, a first farmland area and a first town area corresponding to the ecological protection area, the farmland area and the town area in the target remote sensing image map with the boundary according to the preset map scale.
6. The method according to claim 5, wherein the steps of sequentially adjusting the ecological protection area, the farmland area, and the town area according to the planning order of the second ecological protection area, the second farmland area, and the second town area, and drawing corresponding target boundary lines according to the adjustment results, respectively, include:
judging whether the ecological protection area needs to be enlarged according to the second ecological protection area;
if yes, marking the roads which are positioned outside the ecological protection area and are adjacent to the ecological protection area in the target remote sensing image map, and drawing a first target closed area by the marked roads;
Identifying the first target closed area, and judging whether a target barrier exists in the first target closed area;
if not, according to the second ecological protection area, controlling the ecological protection area to expand outwards in the target closed area to obtain an expanded ecological protection area, and drawing a first target boundary line;
judging whether the farmland area needs to be enlarged or not according to the second farmland area;
if yes, acquiring the farmland area, and expanding the farmland area according to a preset rule to obtain an expandable area;
drawing a target area meeting the second farmland area in the expandable area according to the second farmland area, combining the target area with the farmland area, and drawing a second target boundary line;
judging whether the town area needs to be enlarged according to the second town area;
if yes, marking the roads which are positioned outside the town area and adjacent to the town area in the target remote sensing image map, and drawing a second target closed area by marking the marked roads;
according to the second town area, controlling the town area to expand outwards in the second target enclosed area to obtain an expanded town area, and drawing a third target boundary line;
Judging whether the second target boundary line and the third target boundary line intersect with the first target boundary line;
and if not, executing the step of outputting the remote sensing image map with the target boundary line for reference by a user.
7. The aided programming method of claim 6, wherein said step of determining whether said second target boundary line and said third target boundary line intersect said first target boundary line comprises, after said step of:
when the second target boundary line and the third target boundary line are judged to be intersected with the first target boundary line, acquiring the area of the intersected part, and determining the intersected area according to the area of the intersected part;
and removing the area of the crossed part from the area framed by the first target boundary line, and controlling the farmland area and the town area to expand towards the direction away from the area framed by the first target boundary line according to the crossed area.
8. A homeland space planning assistance compilation system, the system comprising:
the regional division module is used for acquiring a city and county remote sensing image map of a village and a county to be partitioned and a city and county administrative boundary map, and dividing the city and county remote sensing image map region according to the city and county administrative boundary map to obtain a village and county remote sensing image map of each village and town under a city and county planning;
The boundary marking module is used for determining a target remote sensing image corresponding to the villages and towns to be partitioned according to the village and towns remote sensing image of each village and towns, marking the boundary of the target remote sensing image, and obtaining a target remote sensing image with a boundary line;
the first area calculation module is used for identifying an ecological protection area, a farmland area and a town area in the target remote sensing image with the boundary line, and calculating an actual first ecological protection area, a first farmland area and a first town area respectively;
the second area calculation module is used for acquiring a target ecological protection area, a target permanent basic farmland area and a target town development area of the villages and towns to be partitioned, and calculating a second ecological protection area, a second farmland area and a second town area which also need to be planned according to the first ecological protection area, the first farmland area and the first town area respectively;
the target boundary line drawing module is used for adjusting the ecological protection area, the farmland area and the town area in sequence according to the planning sequence of the second ecological protection area, the second farmland area and the second town area, and drawing corresponding target boundary lines according to adjustment results;
And the output module is used for outputting the remote sensing image map with the target boundary line for reference of a user.
9. A computer-readable storage medium, comprising:
the readable storage medium stores one or more programs which when executed by a processor implement the homeland space planning assistance compilation method of any one of claims 1-7.
10. An electronic device comprising a memory and a processor, wherein:
the memory is used for storing a computer program;
the processor is configured to implement the homeland space planning assistance programming method of any one of claims 1-7 when executing the computer program stored on the memory.
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