CN107705360A - A kind of mountain landscape section rapid generation - Google Patents
A kind of mountain landscape section rapid generation Download PDFInfo
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- CN107705360A CN107705360A CN201710878819.1A CN201710878819A CN107705360A CN 107705360 A CN107705360 A CN 107705360A CN 201710878819 A CN201710878819 A CN 201710878819A CN 107705360 A CN107705360 A CN 107705360A
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Abstract
The present invention discloses a kind of mountain landscape sectional drawing rapid generation, comprises the following steps successively:Establish mountain region digital elevation model and generate mountain region section structure line:By parsing the landscape resource key element in Mountain Remote Sensing satellite image, and site inspection and forestry resource survey are combined, establish all kinds of landscape resource key element facade image element storehouses in mountain region:Make mountain landscape sectional drawing.The present invention is based on digital GIS-Geographic Information System, Remote Sensing Image Processing System and global positioning system, it is combined by generating digital elevation model cross-section structure, parsing remote sensing images and on-site inspection mountain landscape element of resource three, and go out mountain landscape sectional drawing using AutoCAD quick Fabrications, for the integration of the spatial informations such as site topography, landforms, the hydrology, elevation, the reductive analysis of the artificial works landscape resource such as Yi Jiqiao, filling, careless phytobiocoenose and building, road provides new scientific method.
Description
Technical field
The present invention relates to a kind of landscape section generation technique, and in particular to a kind of mountain landscape sectional drawing side of quickly generating
Method.
Background technology
Landscape sectional drawing refers to the vertical plane of environment where landscape, illustrate the vertical of overall landscape or so and vertically to
The illustrated tool of spatial relationship.Researcher can be used for combing the spatial informations such as site topography, landforms, the hydrology, elevation, and science is returned
The complexity and correlation of the artificial works landscape resources such as analysis of receiving is tall, fill, careless phytobiocoenose and building, road.Landscape
Scientific data can be combined by sectional drawing with visual diagram, and designer easily can join data and image
It is tied, the composition structure and spatial relationship and the complexity of inherence for research landscape feature play indispensable work
With for one new intercourse platform of research construction interdisciplinary.
The content of the invention
Goal of the invention:It is an object of the invention to solve the deficiencies in the prior art, there is provided a kind of mountain landscape breaks
Face figure rapid generation, the present invention can be as needed, quickly obtain landscape section with any angle at an arbitrary position, are beneficial to
Integrate the spatial informations such as site topography, landforms, the hydrology, elevation, scientific induction analysis Qiao, filling, careless phytobiocoenose and building, road
Deng the complexity and correlation of artificial works landscape resource.To achieve these goals, the technology path of use is to combine
Digital elevation model, parsing satellite remote-sensing image are established in Field Research, and establish landscape resource key element material facade image element
Storehouse.
Technical scheme:A kind of mountain landscape sectional drawing rapid generation of the present invention, comprises the following steps successively:
(1) establish mountain region digital elevation model and generate mountain region section structure line:
(2) by parsing the landscape resource key element in Mountain Remote Sensing satellite image, and site inspection and forestry resource survey are combined,
Establish all kinds of landscape resource key element facade image element storehouses in mountain region:
(3) mountain landscape sectional drawing is made.
Further, the specific method of the step (1) is:
(1.1) according to actual mapping and satellite remote sensing map with obtaining trivector that is complete, accurately obtaining the mountain region
Shape figure and related geographical spatial data;
(1.2) format conversion order in AutoCAD software is used obtained vector mountain city form three-dimensional data
All data are switched into multi-section-line form;According to the dwg files for switching to multi-section-line form, vector data is carried in AutoCAD
Two kinds of basic datas of contour and elevational point are taken out, and establish new figure layer, wherein contour is multi-section-line form, and elevational point is a little
Form;
(1.3) it will simplify and stored with the vector data dwg files after processing with dxf forms, then with importing ArcGIS
Manage information system, formation base terrain data information;
(1.4) DEM digital elevation models are established with 3D Analyst instruments in ArcGIS, and Usage profile figure instrument is given birth to
It is imported into section structure line, and with dwg forms in AutoCAD.
Further, the specific method of the step (2) is:
(2.1) Mountain Remote Sensing image file after corrected processing, is exported in ERDAS remote sensing image processing softwares
Tiff forms, Akt.msi image files are converted into MapGIS image processing modules;
(2.2) Akt.msi image files are opened in MapGIS and carries out image projection and registration, and according to the longitude and latitude in mountain region
Degree one vector area file of structure swears that conversion area file carries out cutting processing to the image that registration is crossed by grid, and it is suitable to obtain
Mountain region image;
(2.3) reported according to the land use survey of mountain region location, with reference to synthesized by the wave band that 3 pixels are 30m
Pseudo color coding hologram image, parse all kinds of landscape resource key elements in mountain region, in combination with site inspection and forestry resource survey, use
AutoCAD softwares establish all kinds of landscape resource key element material facade image element storehouses, and are built respectively to all kinds of landscape resource key elements
Found different figure layers and name attribute.
Further, the specific method of the step (3) is:
(3.1) according to all kinds of landscape resource key elements in step (2) from Mountain Remote Sensing video recording analysis, find in step (1)
Cross sectional plane position, determine the landscape resource element type on the section;
(3.2) used in AutoCAD:All kinds of landscape feature titles of insertion-block (B) order-input, quick calling should
All kinds of landscape resource key element facade figures on section;
(3.3) according to all kinds of landscape resource key element plan-positions on section, added on the section structure line in AutoCAD
All kinds of landscape resource key element facade figures, produce mountain landscape sectional drawing.
All kinds of landscape resource key elements in mountain region are parsed by image deciphering in the step (2.3), i.e., with MapGIS
Software tentatively identifies forest land, meadow, arable land, water system and building by color and shape, then tells forest land by canopy
In seeds.
Beneficial effect:The present invention can quickly generate complete mountain landscape sectional drawing, by geographical coordinate, find reality
Cross section place carries out contrast check, if difference is larger, can improve the precision of Mountain Remote Sensing satellite image.
Compared with prior art, the present invention has advantages below:
1st, pinpoint accuracy:The preparation method of current existing landscape sectional drawing is made according to common plane figure,
The design of subjectivity has been incorporated to a certain extent;The present invention is based on digital GIS-Geographic Information System, Remote Sensing Image Processing System and complete
Ball alignment system, generated by the section of digital elevation model, the parsing of remote sensing images and second survey are combined, utilization
AutoCAD is made, and the landscape of reality is objectively responded all through the technology of science, comprehensively improves landscape section
Precision.
2nd, high flexibility ratio:The present invention carries out landscape section acquisition to mountain region optional position, any angle, can not only obtain
The Regional Landscape section that people ignore, and can obtain the Regional Landscape section that people is difficult to reach, at the same can also make across
Spend larger landscape section.
3rd, multiple dimensioned property:The present invention carries out the scaling of arbitrary proportion and random length according to the needs of design studies to it
Interception.
4th, strong sharing:The present invention landscape sectional drawing can as planning and designing, the valid data data of As-Is analysis,
Foundation and the guidance of science are provided for planning, construction department.
5th, strong operability:Traditional landscape sectional drawing with actual conditions to coincide, it is necessary to has reconnoitring for the scene of progress
Realizing, this just needs the input of substantial amounts of man power and material, considerably increases the landscape sectional drawing manufacture difficulty of large scale;This
Invention is based on actual operability principle, is combined by the parsing of remote sensing images and the section generation of digital elevation model, profit
Made, the landscape section of optional position, any angle and any yardstick can be carried out of computer aided design software
Make, be advantageous to the popularization and application of the making of landscape section.
Brief description of the drawings
Fig. 1 is the overall flow figure of the present invention;
Fig. 2 is mountain region Digital height model in embodiment 1;
Fig. 3 is any 3 section structure line charts in mountain region in embodiment 1;
Fig. 4 cuts figure for the satellite photo of embodiment 1 is registering with elevation model;
Fig. 5 is that remote sensing image parses schematic diagram in embodiment 1;
Fig. 6 is any 3 landscapes section partial enlarged drawing in embodiment 1;
Wherein, Fig. 3 (a) is a-a ' directions section structure line chart in Fig. 2, and Fig. 3 (b) is b-b ' directions section structure in Fig. 2
Line chart, Fig. 3 (c) are c-c ' directions section structure line chart in Fig. 2;Fig. 6 (a), Fig. 6 (b) and Fig. 6 (c) be followed successively by Fig. 2 three it is disconnected
The final landscape section partial enlarged drawing in face.
Embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
As shown in figure 1, a kind of mountain landscape sectional drawing rapid generation of the present invention, comprises the following steps successively:
(1) establish mountain region digital elevation model and generate mountain region section structure line:
(2) by parsing the landscape resource key element in Mountain Remote Sensing satellite image, and site inspection and forestry resource survey are combined,
Establish all kinds of landscape resource key element facade image element storehouses in mountain region:
(3) mountain landscape sectional drawing is made.
Embodiment 1:
A kind of mountain landscape section rapid generation of the present embodiment, is comprised the following steps that:
(1) establish mountain region digital elevation model and generate mountain region section structure line
(1.1) the trivector topographic map in certain mountain region completely, is accurately obtained according to actual mapping and satellite remote sensing map,
And related geographical spatial data;
(1.2) conversion simplified with form is imported in AutoCAD to obtained vector space form three-dimensional data, it is complete
The screening of paired vector data information, according to the landscape region all standing present situation land used vector graphics, with AutoCAD softwares
In format conversion order PE-M-J all data are switched into multi-section-line form;
(1.3) according to switching to the dwg files of multi-section-line form, in AutoCAD by vector data extract contour and
Two kinds of basic datas of elevational point, and new figure layer is established, wherein contour is multi-section-line form, and elevational point is a form;
(1.4) it will simplify and stored with the vector data dwg files after processing with dxf forms, with importing ArcGIS
Manage information system, formation base terrain data information.
(1.5) digital elevation model (such as Fig. 2) is established with ArcToolBox -3D Analyst instruments in ArcGIS, and
Any 3 section structure lines (such as Fig. 3) are generated with section Core Generator, and are imported into dwg forms in AutoCAD.
(2) by parsing the landscape resource key element in Mountain Remote Sensing satellite image, and site inspection and forestry resource survey are combined,
Establish the facade image element cloud storehouse of all kinds of landscape resource key elements in mountain region
(2.1) Mountain Remote Sensing image file after corrected processing, is exported in ERDAS remote sensing image processing softwares
Tiff forms, Akt.msi image files are converted into MapGIS image processing modules;
(2.2) Akt.msi image files are opened in MapGIS and carries out image projection and registration, and according to the longitude and latitude in mountain region
Degree one vector area file of structure swears that conversion area file carries out cutting processing to the image that registration is crossed by grid, and it is suitable to obtain
Mountain region image (such as Fig. 4);
(2.3) reported according to the land use survey of mountain region location, with reference to synthesized by the wave band that 3 pixels are 30m
Pseudo color coding hologram image, parse mountain region in all kinds of landscape resource key elements (such as Fig. 5), in combination with forestry resource survey method, in AutoCAD
Establish the facade image element cloud storehouse of all kinds of landscape resource key elements, and to all kinds of landscape resource key elements establish respectively different figure layers and
Name attribute.
(3) mountain landscape sectional drawing is made:
(3.1) according to all kinds of landscape resource key elements in step (2) from Mountain Remote Sensing video recording analysis, find in step (1)
Cross sectional plane position, determine the landscape resource element type on the section;
(3.2) used in AutoCAD:All kinds of landscape feature titles of insertion-block (B) order-input, quick calling should
All kinds of landscape resource key element facade figures on section;
(3.3) according to all kinds of landscape resource key element plan-positions on section, added on the section structure line in AutoCAD
All kinds of landscape resource key element facade figures, produce 3 corresponding mountain landscape sectional drawings (such as Fig. 6).
It can be seen from above-described embodiment that the present invention based on digital GIS-Geographic Information System, Remote Sensing Image Processing System and
Global positioning system, provided by generating digital elevation model cross-section structure, parsing remote sensing images and on-site inspection mountain landscape
Source key element three is combined, and goes out mountain landscape sectional drawing using AutoCAD quick Fabrications, be site topography, landforms, the hydrology,
The integration of the spatial informations such as elevation, the artificial works landscape resource such as Yi Jiqiao, filling, careless phytobiocoenose and building, road are returned
Analysis of receiving provides new scientific method.
In brief, the mountain landscape sectional drawing that the present invention will quickly generate, by geographical coordinate, finds actual profile position
Put and carry out contrast check, if difference is larger, the precision of Mountain Remote Sensing satellite image can be improved, pass through the landscape repeatedly obtained
Sectional drawing, it is coincide substantially with the landscape resource key element of site inspection, it was demonstrated that remote sensing image precision basically reaches requirement.
Claims (5)
- A kind of 1. mountain landscape sectional drawing rapid generation, it is characterised in that:Comprise the following steps successively:(1) establish mountain region digital elevation model and generate mountain region section structure line:(2) by parsing the landscape resource key element in Mountain Remote Sensing satellite image, and site inspection and forestry resource survey are combined, established All kinds of landscape resource key element facade image element storehouses in mountain region:(3) mountain landscape sectional drawing is made.
- 2. mountain landscape sectional drawing rapid generation according to claim 1, it is characterised in that:The step (1) Specific method is:(1.1) trivector topographic map that is complete, accurately obtaining the mountain region is obtained according to actual mapping and satellite remote sensing map And related geographical spatial data;(1.2) format conversion order in AutoCAD software is used obtained vector mountain city form three-dimensional data by institute There are data to switch to multi-section-line form;According to the dwg files for switching to multi-section-line form, vector data is extracted in AutoCAD Two kinds of basic datas of contour and elevational point, and new figure layer is established, wherein contour is multi-section-line form, and elevational point is a shape Formula;(1.3) it will simplify in step (1.2) and stored with the vector data dwg files after processing with dxf forms, then import ArcGIS GIS-Geographic Information System, formation base terrain data information;(1.4) DEM digital elevation models are established with 3D Analyst Tool instruments in ArcGIS, then Usage profile figure work Tool generation section structure line, and imported into dwg forms in AutoCAD.
- 3. mountain landscape sectional drawing rapid generation according to claim 1, it is characterised in that:The step (2) Specific method is:(2.1) Mountain Remote Sensing image file after corrected processing, is exported into tiff lattice in ERDAS remote sensing image processing softwares Formula, Akt.msi image files are converted into MapGIS image processing modules;(2.2) Akt.msi image files are opened in MapGIS and carries out image projection and registration, and according to the longitude and latitude structure in mountain region Build a vector area file and conversion area file, which carries out cutting processing, is sweared by grid to the image that registration is crossed, obtain suitable mountain region Image;(2.3) reported according to the land use survey of mountain region location, with reference to the vacation synthesized by the wave band that 3 pixels are 30m Chromatic image, all kinds of landscape resource key elements in mountain region are parsed, it is soft with AutoCAD in combination with site inspection and forestry resource survey Part establishes all kinds of landscape resource key element material facade image element storehouses, and establishes different figure layers respectively to all kinds of landscape resource key elements And name attribute.
- 4. mountain landscape sectional drawing rapid generation according to claim 1, it is characterised in that:The step (3) Specific method is:(3.1) according to all kinds of landscape resource key elements in step (2) from Mountain Remote Sensing video recording analysis, find disconnected in step (1) Facial plane position, determine the landscape resource element type on the section;(3.2) used in AutoCAD:All kinds of landscape feature titles of insertion-block (B) order-input, the quick calling section On all kinds of landscape resource key element facade figures;(3.3) according to all kinds of landscape resource key element plan-positions on section, added on the section structure line in AutoCAD all kinds of Landscape resource key element facade figure, produces mountain landscape sectional drawing.
- 5. mountain landscape sectional drawing rapid generation according to claim 3, it is characterised in that:The step (2.3) In all kinds of landscape resource key elements in mountain region are parsed by image deciphering, i.e., it is preliminary by color and shape with MapGIS softwares Forest land, meadow, arable land, water system and building are identified, the seeds in forest land are then told by canopy.
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