CN116341090B - Automatic plotting method for farmland water conservancy channels - Google Patents
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Abstract
The invention discloses an automatic plotting method for farmland water conservancy channels, which comprises the following steps: s1: obtaining a topography map and channel parameters of a water conservancy channel, and checking the integrity and correctness of the channel parameters; s2: drawing channel trend and calculating channel length based on the channel parameters after checking the integrity and the correctness; s3: drawing a single channel plan according to the channel trend and the channel length; s4: drawing a channel cross-sectional diagram according to the single channel plan; s5: determining channel elevation, and drawing a channel longitudinal section map; s6: and sequencing each channel according to the sequence of the single channel plan view, the cross-sectional view and the longitudinal section view to complete automatic drawing. The invention provides a high-efficiency rapid plotting method, which only needs to import a topographic map and design parameters and performs automatic plotting according to channel vector data and corresponding parameters.
Description
Technical Field
The invention belongs to the technical field of water conservancy, and particularly relates to an automatic plotting method for a water conservancy channel of a farmland.
Background
In the field of farmland water conservancy construction, the main construction contents include roads, ditches, mountain areas, ponds, reservoirs and the like. The road construction types comprise newly built roads, reconstructed roads, expanded roads and road repair; the ditch construction type comprises newly-built ditches, demolishing and rebuilding ditches and repairing ditches; the mountain lawn pond is mainly newly built and remedied; the reservoir is mainly newly built. The following difficulties are presented: the construction area is wide, the construction content is many, the number of the construction is many, the specification is not uniform, the point positions are scattered, the construction variety is many, the participation is many (relating to villages, towns, agricultural offices and platform companies), the construction content is changeable and the cultivated land is occupied.
The current main design flow is that on-site investigation and construction points and village requirements (construction parameters) are investigated, a topographic map is loaded in CAD, measurement data is loaded, vectorization is carried out on the planned road and ditch according to the field investigation points, numbering and labeling are carried out on the vectorized road and ditch, and labeling contents comprise length, width, thickness and material model. And superposing the topographic map to form a total plan, cutting each road and channel in the total plan, sleeving a picture frame on the road and channel to form a single road and channel plan, superposing corresponding elevation points on the picture frame on each road and channel sleeve to form a longitudinal section plane map. And independently designing a cross-sectional diagram according to the design parameters of each road and each ditch, so that the whole process is complicated. According to the statistics of related experience, in the design of a 50000 mu high-standard farmland, the number of roads and ditches is up to more than 400, the number of road and ditches is more than 400, the number of longitudinal section views is more than 400, the cross section views are added, the total view is more than thousand, one parameter is problematic, the number of modified drawings is more than thousand, and the manual intervention is excessive and the error is easy.
Disclosure of Invention
The invention provides an automatic plotting method for farmland water conservancy channels in order to solve the problems.
The technical scheme of the invention is as follows: an automatic plotting method for farmland water conservancy channels comprises the following steps:
s1: obtaining a topography map and channel parameters of a water conservancy channel, and checking the integrity and correctness of the channel parameters;
s2: drawing channel trend and calculating channel length based on the channel parameters after checking the integrity and the correctness;
s3: drawing a single channel plan according to the channel trend and the channel length;
s4: drawing a channel cross-sectional diagram according to the single channel plan;
s5: determining channel elevation, and drawing a channel longitudinal section map;
s6: and sequencing each channel according to the sequence of the single channel plan view, the cross-sectional view and the longitudinal section view to complete automatic drawing.
Further, in step S1, the trench parameters include a trench starting and ending point, a trench starting and ending point elevation, a trench ending point elevation, turning point coordinates, a 50 meter interval original trench top elevation, an original trench bottom elevation, and a trench design parameter;
the channel design parameters comprise channel types, channel materials, section types, channel renovation types and channel size design parameters;
channel types include rectangular channels and trapezoidal channels; channel materials include grouted bricks and grouted pebbles; the section types comprise a full section, a left section, a right section and a bottom plate section; channel repair types include newly built channels and repair channels; channel sizing parameters include top width, bottom width, height, wall thickness, and floor thickness.
Further, in step S2, the channel lengthSThe calculation formula of (2) is as follows:
in the method, in the process of the invention,X 1 ,X 2 ,X 3 ,…,X n represents the abscissa of the turning point of the channel trend,Y 1 ,Y 2 ,Y 3 ,…,Y n indicating the ordinate of the turning point of the channel trend.
Further, in step S3, the specific method for drawing the single channel plan is as follows: numbering and labeling channels, and intercepting each channel plan in the plan according to the channel numbering sequence to obtain a single channel plan.
Further, in step S4, the specific method for drawing the channel cross-sectional diagram is as follows: and (3) drawing rectangular channels or trapezoidal channels, filling the rectangular channels or the trapezoidal channels with the serosal bricks or the serosal pebbles according to the channel types, repairing the sections of the rectangular channels or the trapezoidal channels, and drawing cross-sectional diagrams of the channels.
Further, in step S4, the specific method for repairing the cross section is as follows: drawing channels by adjusting the width of the upper top, the width of the lower bottom, the height and the wall thickness, filling the slurry bricks or the slurry pebbles according to channel materials, and marking left section repair or right section repair; and calling the width of the lower bottom and the thickness of the bottom plate to draw a rectangle, filling the serosal bricks or the serosal pebbles according to channel materials, and marking the bottom repair.
Further, step S5 comprises the sub-steps of:
s51: calling a channel starting point elevation and a channel ending point elevation, and calculating the channel starting point elevation and the channel ending point elevation;
s52: calculating the gradient according to the channel starting and ending elevation;
s53: calculating a 50-meter-interval canal bottom design elevation according to the gradient, and calculating the water surface elevation of the channel according to the 50-meter-interval canal bottom design elevation;
s54: according to the set proportion, drawing a channel profile line according to the channel length, drawing a gradient above the profile line, and marking an original channel top elevation, an original channel bottom elevation and a channel water surface elevation with a distance of 50 meters.
Further, in step S51, the channel start and end point height differencehThe calculation formula of (2) is as follows:
in the method, in the process of the invention,h starting up Represents the elevation of the channel bottom at the beginning of the channel,h terminal (A) And representing the channel end point canal bottom elevation.
Further, in step S52, the gradientPThe calculation formula of (2) is as follows:
in the method, in the process of the invention,hthe height difference of the starting and ending points of the channel is indicated,Srepresenting the channel length.
Further, in step S53, a design elevation of the channel bottom is set at a distance of 50 metersH S The calculation formula of (2) is as follows:
in the method, in the process of the invention,Pthe gradient is indicated as such,S 1 the distance from the corresponding point mileage to the channel starting point,H starting up Representing the channel starting point canal bottom elevation;
in step S53, the channel water surface elevationH SM The calculation formula of (2) is as follows:
。
the beneficial effects of the invention are as follows: the invention provides a high-efficiency rapid plotting method, which only needs to import a topographic map and design parameters and performs automatic plotting according to channel vector data and corresponding parameters; when a certain design parameter changes, only the design parameter is required to be imported again and the drawing is performed again, so that the possibility of human error in the drawing process is avoided, the drawing time is saved, and the drawing efficiency is improved; meanwhile, the automatic plotting of the repair channel can be completed according to the actual condition of the site.
Drawings
FIG. 1 is a flow chart of an automatic plotting method of a farmland water conservancy channel;
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in FIG. 1, the invention provides an automatic plotting method for farmland water conservancy channels, which comprises the following steps:
s1: obtaining a topography map and channel parameters of a water conservancy channel, and checking the integrity and correctness of the channel parameters;
s2: drawing channel trend and calculating channel length based on the channel parameters after checking the integrity and the correctness;
s3: drawing a single channel plan according to the channel trend and the channel length;
s4: drawing a channel cross-sectional diagram according to the single channel plan;
s5: determining channel elevation, and drawing a channel longitudinal section map;
s6: and sequencing each channel according to the sequence of the single channel plan view, the cross-sectional view and the longitudinal section view to complete automatic drawing.
In step S1, parameter integrity check: the imported parameters are divided into 5 layers, wherein the first layer is basic parameters including sequence numbers, coordinates, elevations and materials, is a necessary filling parameter, and cannot be empty; the second level is a treatment type, is a necessary filling parameter, and cannot be empty; the third level is channel type parameter, is necessary filling parameter, and can not be empty; the fourth level is a section parameter, is a filling parameter, and cannot be empty; the fourth level is a channel size design parameter, and the full section size comprises an upper top width B1, a lower bottom width B2, a height H1, a wall thickness C1 and a bottom plate thickness D1, and is a necessary filling item and cannot be empty; the upper top width B1, the lower bottom width B2, the height H1 and the wall thickness C1 are necessary filling parameters in the left end face and right section size parameters, and the rest size parameters can be empty; the bottom plate repair dimension parameter thickness D1, the bottom width B2 can not be empty, and other dimension parameters can be empty;
parameter correctness checking: the first level is basic parameter, sequence number is integer, coordinate and elevation are double-precision type, material text type is only Z and L. The second hierarchical remediation type is a text type and can only be XJ or XB; the third level is a channel type parameter, is text type and can only be J or T; the fourth level is that the section parameter is of text type and can only be one of QDM, ZDM, YDM, DB; the fifth level is a section size parameter, which is of the double-precision type.
In the embodiment of the invention, in step S1, the trench parameters comprise a trench starting and ending point, a trench starting point elevation, a trench ending point elevation, turning point coordinates, a 50-meter-interval original trench top elevation, an original trench bottom elevation and a trench design parameter;
the channel design parameters comprise channel types, channel materials, section types, channel renovation types and channel size design parameters;
channel types include rectangular channels and trapezoidal channels; channel materials include grouted bricks and grouted pebbles; the section types comprise a full section, a left section, a right section and a bottom plate section; channel repair types include newly built channels and repair channels; channel sizing parameters include top width, bottom width, height, wall thickness, and floor thickness.
In the embodiment of the invention, in step S2, the channel vector data can be formed by sequentially and automatically connecting coordinate points in the imported parameters into a line. And calculating the channel length S according to a formula, and automatically importing the channel length S into a parameter mark. Channel lengthSThe calculation formula of (2) is as follows:
in the method, in the process of the invention,X 1 ,X 2 ,X 3 ,…,X n represents the abscissa of the turning point of the channel trend,Y 1 ,Y 2 ,Y 3 ,…,Y n indicating the ordinate of the turning point of the channel trend.
In the embodiment of the present invention, in step S3, the specific method for drawing the single channel plan is as follows: numbering and labeling channels, and intercepting each channel plan in the plan according to the channel numbering sequence to obtain a single channel plan.
Automatically numbering from north to south and from west to east in the project area; the labeling content is item abbreviation, channel number, length, width, height and material, and is expressed by words and figures.
In the embodiment of the invention, in step S4, the specific method for drawing the channel cross-sectional diagram is as follows: and (3) drawing rectangular channels or trapezoidal channels, filling the rectangular channels or the trapezoidal channels with the serosal bricks or the serosal pebbles according to the channel types, repairing the sections of the rectangular channels or the trapezoidal channels, and drawing cross-sectional diagrams of the channels.
In the embodiment of the present invention, in step S4, the specific method for repairing the section is as follows: drawing channels by adjusting the width of the upper top, the width of the lower bottom, the height and the wall thickness, filling the slurry bricks or the slurry pebbles according to channel materials, and marking left section repair or right section repair; and calling the width of the lower bottom and the thickness of the bottom plate to draw a rectangle, filling the serosal bricks or the serosal pebbles according to channel materials, and marking the bottom repair.
In an embodiment of the present invention, step S5 includes the sub-steps of:
s51: calling a channel starting point elevation and a channel ending point elevation, and calculating the channel starting point elevation and the channel ending point elevation;
s52: calculating the gradient according to the channel starting and ending elevation;
s53: calculating a channel design elevation with a distance of 50 meters according to the gradient, and calculating a channel water surface elevation according to the channel design elevation with the distance of 50 meters;
s54: according to the set proportion, drawing a channel profile line according to the channel length, drawing a gradient above the profile line, and marking an original channel top elevation, an original channel bottom elevation and a channel water surface elevation with a distance of 50 meters.
In the embodiment of the present invention, in step S51, the channel start and end point channel bottom height differencehThe calculation formula of (2) is as follows:
in the method, in the process of the invention,h starting up Represents the elevation of the channel bottom at the beginning of the channel,h terminal (A) And representing the channel end point canal bottom elevation.
In the embodiment of the present invention, in step S52, the gradientPThe calculation formula of (2) is as follows:
in the method, in the process of the invention,hthe height difference of the channel bottom at the starting and ending point of the channel is represented,Srepresenting the channel length.
In the embodiment of the present invention, in step S53, the design elevation of the channel bottom of the channel is 50 meters apartH S The calculation formula of (2) is as follows:
in the method, in the process of the invention,Pthe gradient is indicated as such,S 1 the distance from the corresponding point mileage to the channel starting point,H starting up Representing the channel starting point canal bottom elevation;
in step S53, the channel water surface elevationH SM The calculation formula of (2) is as follows:
。
those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (4)
1. An automatic plotting method for farmland water conservancy channels is characterized by comprising the following steps:
s1: obtaining a topography map and channel parameters of a water conservancy channel, and checking the integrity and correctness of the channel parameters;
s2: drawing channel trend and calculating channel length based on the channel parameters after checking the integrity and the correctness;
s3: drawing a single channel plan according to the channel trend and the channel length;
s4: drawing a channel cross-sectional diagram according to the single channel plan;
s5: determining channel elevation, and drawing a channel longitudinal section map;
s6: sequencing each channel according to the sequence of a single channel plan view, a cross section view and a longitudinal section view to finish automatic drawing;
in the step S1, the trench parameters comprise a trench starting and ending point, a trench starting point elevation, a trench ending point elevation, turning point coordinates, a 50-meter-interval original trench top elevation, an original trench bottom elevation and a trench design parameter;
the channel design parameters comprise channel types, channel materials, section types, channel renovation types and channel size design parameters;
the channel types comprise rectangular channels and trapezoid channels; the channel materials comprise serosal bricks and serosal pebbles; the section type comprises a full section, a left section, a right section and a bottom plate section; the channel repair type comprises a newly built channel and a repair channel; the channel dimension design parameters comprise an upper top width, a lower bottom width, a height, a wall thickness and a bottom plate thickness;
in the step S2, the channel lengthSThe calculation formula of (2) is as follows:
in the method, in the process of the invention,X 1 , X 2 , X 3 ,…,X n represents the abscissa of the turning point of the channel trend,Y 1 , Y 2 , Y 3 ,…, Y n representing the ordinate of the turning point of the channel trend;
in the step S3, the specific method for drawing the single channel plan is as follows: numbering and labeling channels, and intercepting each channel plan in the plan according to the channel numbering sequence to obtain a single channel plan;
in the step S4, the specific method for drawing the channel cross-sectional diagram is as follows: drawing rectangular channels or trapezoidal channels, filling the rectangular channels or the trapezoidal channels with serosal bricks or serosal pebbles according to the channel types, repairing the sections of the rectangular channels or the trapezoidal channels, and drawing cross-sectional views of the channels;
the specific method for repairing the section comprises the following steps: drawing channels by adjusting the width of the upper top, the width of the lower bottom, the height and the wall thickness, filling the slurry bricks or the slurry pebbles according to channel materials, and marking left section repair or right section repair; calling the width of the lower bottom and the thickness of the bottom plate to draw a rectangle, filling the slurry bricks or the slurry pebbles according to channel materials, and marking the bottom repair;
said step S5 comprises the sub-steps of:
s51: calling a channel starting point elevation and a channel ending point elevation, and calculating the channel starting point elevation and the channel ending point elevation;
s52: calculating the gradient according to the channel starting and ending elevation;
s53: calculating a channel design elevation with a distance of 50 meters according to the gradient, and calculating a channel water surface elevation according to the channel design elevation with the distance of 50 meters;
s54: according to the set proportion, drawing a channel profile line according to the channel length, drawing a gradient above the profile line, and marking an original channel top elevation, an original channel bottom elevation and a channel water surface elevation with a distance of 50 meters.
2. The automatic drawing method of irrigation and water conservancy channels according to claim 1, wherein in the step S51, the channel starting and ending point height differencehThe calculation formula of (2) is as follows:
in the method, in the process of the invention,h starting up Represents the elevation of the channel bottom at the beginning of the channel,h terminal (A) And representing the channel end point canal bottom elevation.
3. The automatic drawing method of farmland irrigation and water channel according to claim 2, wherein in step S52, the gradient isPThe calculation formula of (2) is as follows:
in the method, in the process of the invention,hthe height difference of the starting and ending points of the channel is indicated,Srepresenting the channel length.
4. The automatic drawing method of farmland irrigation and water conservancy channel according to claim 3, wherein in the step S53, the design elevation of the bottom of the canal is 50 meters apartH S The calculation formula of (2) is as follows:
in the method, in the process of the invention,Pthe gradient is indicated as such,S 1 representing the distance from the corresponding point mileage to the channel start point,H starting up Canal floor elevation representing the origin of the canal;
in the step S53, the channel water surface elevationH SM The calculation formula of (2) is as follows:
。
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