CN104484898A - Power grid GIS (geographic information system) platform based three-dimensional modeling method for high-resolution remote sensing image equipment - Google Patents
Power grid GIS (geographic information system) platform based three-dimensional modeling method for high-resolution remote sensing image equipment Download PDFInfo
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- CN104484898A CN104484898A CN201410804066.6A CN201410804066A CN104484898A CN 104484898 A CN104484898 A CN 104484898A CN 201410804066 A CN201410804066 A CN 201410804066A CN 104484898 A CN104484898 A CN 104484898A
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Abstract
A power grid GIS (geographic information system) platform based three-dimensional modeling method for high-resolution remote sensing image equipment comprises steps as follows: performing code encoding and deployment on a back-end server of the three-dimensional power grid GIS platform, and receiving three-dimensional model data in real time; encoding and deploying a called layer, performing logic processing according to the received data, and dynamically calling layer data; accessing a three-dimensional equipment resource display interface of the three-dimensional power grid GIS platform, establishing a three-dimensional equipment resource model, and correcting the offset; pushing three-dimensional model data; performing event listening through a front-end container; loading three-dimensional equipment model data; displaying the modeling effect of the three-dimensional equipment model. With the adoption of the method, various defects of large calculated amounts, long processing time, difficulty in information acquisition and the like are overcome, and the authenticity of three-dimensional rendering is improved.
Description
Technical field
The present invention relates to GIS three-dimensional and remote sensing image research field, relate to the equipment 3 d geometric modeling method of high-resolution remote sensing image in particular.
Background technology
In order to obtain power network resources equipment integrated information more intuitively on remote sensing image, more and more obtain the attention of people based on the electrical network of remote sensing image and/or the three-dimensional rapid modeling of meteorological equipment resource.
Along with the development of remote sensing satellite, increasing remote sensing satellite succeeds in sending up satellite three-dimensional imaging ability and progressively improves, and satellite-remote-sensing image resource is enriched constantly, allows whole world three-dimensional reconstruction target become possibility.Under the many disadvantages restriction of conventional three-dimensional modeling, start new modeling direction and urgently can not treat, list also comes into existence as the situation requires as modeling technique.
Single research as modeling has larger meaning, " the City Building 3 d geometric modeling based on single width high-resolution remote sensing image " (Ma Hua, " Chinese excellent MA theses full-text database Information technology is collected ", in October, 2012, I140-1540) describe the modeling method based on single width high-resolution remote sensing image in a literary composition in detail, in the mode introduced, its full content is introduced herein.At present, complicated for the modeling method based on the electrical network of power network GIS platform and/or meteorological equipment, calculated amount is large, actual modeling demand cannot be applicable to, single width remote sensing image is utilized to realize the three-dimensional modeling of electrical network and/or meteorological equipment resource, comply with social demand to a certain extent, avoided the various drawbacks such as calculated amount is large, the processing time is long, acquisition of information is difficult, which raises the authenticity of three-dimensional rendering.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of high-resolution remote sensing image electrical network based on power network GIS platform and/or meteorological equipment three-dimensional modeling method, the method is according to the self-condition of electric system, explore round GIS platform electrical network and/or meteorological equipment dimensional Modeling Technology, set up electrical network and/or meteorological equipment resource three-dimensional model visualization model, realize electrical network and/or meteorological equipment three-dimensional model shade to ask for and the geometric data on electrical network and/or meteorological equipment earth's surface, and the side-play amount of electrical network on remote sensing image and/or meteorological equipment is corrected, electrical network and/or meteorological equipment three-dimensional model is made to show truer.
Based on the high-resolution remote sensing image equipment three-dimensional modeling method of power network GIS platform, comprise the following steps successively:
(1) coding and deployment are carried out to power grid GIS three-dimensional platform back-end server, real-time reception magnanimity device resource three-dimensional modeling data;
(2) carry out working out to calling layer and dispose, device resource three-dimensional modeling data according to receiving carries out logical process, different three-dimensional modeling datas is classified, representing that the data of unified model are integrated, and dynamic call three dimensional topographic data shows three dimensional topographic data, and wherein said device resource three-dimensional modeling data is three-dimensional model attribute data;
(3) the device resource three-dimensional display interface of power grid GIS three-dimensional platform is entered, the three-dimensional modeling method of single width high-resolution remote sensing image is utilized to carry out modeling to device resource three-dimensional model, obtain 3 d geometric modeling model, and the side-play amount of equipment on remote sensing image is corrected;
(4) by power grid GIS three-dimensional platform rear end, equipment three-dimensional modeling data is pushed to power grid GIS three-dimensional platform front end;
(5) by power grid GIS three-dimensional platform front end container, action listener is carried out to power grid GIS three-dimensional platform front end, thus the data that monitoring power grid GIS three-dimensional platform rear end pushes to power grid GIS three-dimensional platform front end;
(6) power grid GIS three-dimensional platform front end loading equipemtn three-dimensional modeling data;
(7) in power grid GIS three-dimensional platform front end, presentation device three-dimensional model modeling effect.
The invention has the beneficial effects as follows:
(1) according to the self-condition of electric system, explore round electrical network and/or the modeling of meteorological equipment three-dimensional model, realize electrical network and/or the automatic abstraction function of meteorological equipment shade, avoid the complicacy of each edge detection operator.
(2) spatial relation between satellite, the sun and electrical network when electrical network and/or meteorological equipment shade are formed and/or meteorological equipment is fully analyzed, further consider the angle of electrical network and/or meteorological equipment trend and shade and electrical network and/or meteorological equipment principal direction, improve modeling accuracy.
(3) according to electrical network and/or the Relation acquisition side-play amount computation model between meteorological equipment height and elevation of satellite, and the side-play amount of the electrical network on remote sensing image and/or meteorological equipment is corrected, improve modeling accuracy.
Accompanying drawing explanation
The high-resolution remote sensing image equipment three-dimensional modeling process flow diagram of Fig. 1 power network GIS platform
Fig. 2 power network GIS platform front end container schematic diagram
Fig. 33 d geometric modeling process flow diagram
Embodiment
The following detailed description of specific embodiment of the invention; what be necessary to herein means out is; below implement just to further illustrate for of the present invention; limiting the scope of the invention can not be interpreted as; some nonessential improvement and adjustment that this art skilled person makes the present invention according to the invention described above content, still belong to protection scope of the present invention.
Below in conjunction with accompanying drawing, the present invention is further illustrated, and it embodies specific embodiments of the invention.As shown in Figure 1, the present invention is based on the high-resolution remote sensing image equipment three-dimensional modeling method of power network GIS platform, comprise the following steps successively:
(1) coding and deployment are carried out to power grid GIS three-dimensional platform back-end server, real-time reception magnanimity device resource three-dimensional modeling data;
(2) carry out working out to calling layer and dispose, device resource three-dimensional modeling data according to receiving carries out logical process, different three-dimensional modeling datas is classified, representing that the data of unified model are integrated, and dynamic call three dimensional topographic data shows three dimensional topographic data, and wherein said device resource three-dimensional modeling data is three-dimensional model attribute data;
(3) the device resource three-dimensional display interface of power grid GIS three-dimensional platform is entered, the three-dimensional modeling method of single width high-resolution remote sensing image is utilized to carry out modeling to device resource three-dimensional model, obtain 3 d geometric modeling model, and the side-play amount of equipment on remote sensing image is corrected;
(4) by power grid GIS three-dimensional platform rear end, equipment three-dimensional modeling data is pushed to power grid GIS three-dimensional platform front end;
(5) by power grid GIS three-dimensional platform front end container, action listener is carried out to power grid GIS three-dimensional platform front end, thus the data that monitoring power grid GIS three-dimensional platform rear end pushes to power grid GIS three-dimensional platform front end;
(6) power grid GIS three-dimensional platform front end loading equipemtn three-dimensional modeling data;
(7) in power grid GIS three-dimensional platform front end, presentation device three-dimensional model modeling effect.
Preferably, described equipment is electrical network and/or meteorological equipment.
Preferably, described step (1) is specially:
(1.1) carry out code to power grid GIS three-dimensional platform to write;
(1.2) carry out code to power grid GIS three-dimensional platform front end container to write, wherein can the layer container of presentation device three-dimensional model, be referred to as electrical network thematic map GIS three-dimensional platform front end display container, add electric network data information and transmit monitoring event;
(1.3) power grid GIS three-dimensional platform back-end server is built;
Preferably, step (8) code compilation and deployment is also comprised after described step (7).
Preferably, in described step (3), utilize the three-dimensional modeling method of single width high-resolution remote sensing image to carry out modeling to device resource three-dimensional model, and correction concrete steps are carried out to the side-play amount of equipment on remote sensing image be:
(3.1) obtain high-resolution remote sensing image, carry out pre-service to remote sensing image picture, then carry out step (3.2), wherein step (3.2) specifically comprises the steps;
(3.2.1) information extraction of equipment plane domain is carried out, calibration equipment top and bottom side-play amount;
(3.2.2) detection of equipment shadow information is carried out, computational shadowgraph length, estimation apparatus height;
(3.3) device height that the equipment top and bottom side-play amount obtained based on step (3.2.1) and step (3.2.2) obtain carries out equipment 3 d geometric modeling.
Preferably, described container is the particular components that can comprise other assemblies.
Preferably, it is Relation acquisition side-play amount computation model according between device height and elevation of satellite that described side-play amount carries out correcting, and corrects the side-play amount of the electrical network on remote sensing image and/or meteorological equipment.
Wherein, GIS is the English abbreviation of Geographic Information System (Geographic Information System).GIS platform general set map edit, inquiry, location, amplify, reduce, network analysis, path analysis, equivalently analyzes, the functions such as DEM analysis.
Front end container: front-end user interface is made up of assembly.A container is a particular components that can comprise other assemblies, as shown in Figure 2.
Although for illustrative purposes; describe illustrative embodiments of the present invention; but it should be appreciated by those skilled in the art that; when not departing from scope of invention disclosed in claims and spirit; the change of various amendment, interpolation and replacement etc. can be carried out in form and details; and all these change the protection domain that all should belong to claims of the present invention; and application claims protection each department of product and method in each step, can combine with the form of combination in any.Therefore, be not intended to limit the scope of the invention to the description of embodiment disclosed in the present invention, but for describing the present invention.Correspondingly, scope of the present invention not by the restriction of above embodiment, but is limited by claim or its equivalent.
Claims (7)
1., based on a high-resolution remote sensing image equipment three-dimensional modeling method for power network GIS platform, it is characterized in that, comprise the following steps successively:
(1) coding and deployment are carried out to power grid GIS three-dimensional platform back-end server, real-time reception magnanimity device resource three-dimensional modeling data;
(2) carry out working out to calling layer and dispose, device resource three-dimensional modeling data according to receiving carries out logical process, different three-dimensional modeling datas is classified, representing that the data of unified model are integrated, and dynamic call three dimensional topographic data shows three dimensional topographic data, and wherein said device resource three-dimensional modeling data is three-dimensional model attribute data;
(3) the device resource three-dimensional display interface of power grid GIS three-dimensional platform is entered, the three-dimensional modeling method of single width high-resolution remote sensing image is utilized to carry out modeling to device resource three-dimensional model, obtain 3 d geometric modeling model, and the side-play amount of equipment on remote sensing image is corrected;
(4) by power grid GIS three-dimensional platform rear end, equipment three-dimensional modeling data is pushed to power grid GIS three-dimensional platform front end;
(5) by power grid GIS three-dimensional platform front end container, action listener is carried out to power grid GIS three-dimensional platform front end, thus the data that monitoring power grid GIS three-dimensional platform rear end pushes to power grid GIS three-dimensional platform front end;
(6) power grid GIS three-dimensional platform front end loading equipemtn three-dimensional modeling data;
(7) in power grid GIS three-dimensional platform front end, presentation device three-dimensional model modeling effect.
2., as claimed in claim 1 based on the high-resolution remote sensing image equipment three-dimensional modeling method of power network GIS platform, it is characterized in that: described equipment is electrical network and/or meteorological equipment.
3., as claimed in claim 2 based on the high-resolution remote sensing image equipment three-dimensional modeling method of power network GIS platform, it is characterized in that: described step (1) is specially:
(1.1) carry out code to power grid GIS three-dimensional platform to write;
(1.2) carry out code to power grid GIS three-dimensional platform front end container to write, wherein can the layer container of presentation device three-dimensional model, be referred to as electrical network thematic map GIS three-dimensional platform front end display container, add electric network data information and transmit monitoring event;
(1.3) power grid GIS three-dimensional platform back-end server is built.
4. as claimed in claim 2 based on the high-resolution remote sensing image equipment three-dimensional modeling method of power network GIS platform, it is characterized in that: in described step (3), utilize the three-dimensional modeling method of single width high-resolution remote sensing image to carry out modeling to device resource three-dimensional model, and correction concrete steps are carried out to the side-play amount of equipment on remote sensing image be:
(3.1) obtain high-resolution remote sensing image, carry out pre-service to remote sensing image picture, then carry out step (3.2), wherein step (3.2) specifically comprises the steps;
(3.2.1) information extraction of equipment plane domain is carried out, calibration equipment top and bottom side-play amount;
(3.2.2) detection of equipment shadow information is carried out, computational shadowgraph length, estimation apparatus height;
(3.3) device height that the equipment top and bottom side-play amount obtained based on step (3.2.1) and step (3.2.2) obtain carries out equipment 3 d geometric modeling.
5. as claimed in claim 2 based on the high-resolution remote sensing image equipment three-dimensional modeling method of power network GIS platform, it is characterized in that: also comprise step (8) after described step (7): code compilation and deployment.
6. the high-resolution remote sensing image equipment three-dimensional modeling method based on power network GIS platform as described in one of claim 1-5, is characterized in that: described container is the particular components that can comprise other assemblies.
7. the high-resolution remote sensing image equipment three-dimensional modeling method based on power network GIS platform as described in one of claim 1-5, it is characterized in that: it is Relation acquisition side-play amount computation model according between device height and elevation of satellite that described side-play amount carries out correcting, and corrects the side-play amount of the equipment on remote sensing image.
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| CN109448111A (en) * | 2018-10-25 | 2019-03-08 | 山东鲁能软件技术有限公司 | A kind of image three-dimensional surface model optimization construction method and device |
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