CN103106683B - The construction method of three-dimensional visual simulation pilot instrument based on Google Earth - Google Patents
The construction method of three-dimensional visual simulation pilot instrument based on Google Earth Download PDFInfo
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- CN103106683B CN103106683B CN201210594783.1A CN201210594783A CN103106683B CN 103106683 B CN103106683 B CN 103106683B CN 201210594783 A CN201210594783 A CN 201210594783A CN 103106683 B CN103106683 B CN 103106683B
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Abstract
The present invention relates to the construction method of a kind of three-dimensional visual simulation pilot instrument based on Google Earth, comprise the following steps: carry out including with standard cross-section structure the line position threedimensional model of described line position surrounding enviroment based on Google Earth by computer program for railway or identitypath position scheme；For described line position scheme, making machine movable model roams drive simulating software along described line position, by this software, it is possible to person drives maneuver modeling run at the enterprising line linearity in described line position and arrange roaming orientation and angle to make drive simulating.The present invention combines exterior three dimensional model powerful for Google Earth and loads ability to express, more roadside key element is added by auxiliary, such as tree, house, electric pole etc., build the scene that a three-dimensional circuits analogue simulation directly perceived is driven, to realize ocular demonstration and the simulation of traffic engineering.
Description
Technical field
The invention belongs to the construction method of simulator, the construction method of a kind of three-dimensional visual simulation pilot instrument based on Google Earth.
Background technology
Drive simulating to train or motor vehicles etc. is only to provide given highway or railway at present, there is following defect: only have the image of highway in given image, do not have the image of highway surrounding in given highway or the image of railway or real road；Given actual highway is merely able to simulate single highway environment (municipal highway, highway, hill path etc.), it is impossible to enough all of highway environment is simulated.
Summary of the invention
It is an object of the invention to provide a kind of and various real road identical and include the construction method of three-dimensional visual simulation pilot instrument based on Google Earth of road surrounding enviroment, to overcome the deficiencies in the prior art.
To achieve these goals, the technical solution adopted in the present invention is:
The construction method of a kind of three-dimensional visual simulation pilot instrument based on Google Earth, comprises the following steps:
Step 1: carried out the circuit threedimensional model built with standard cross-section based on Google Earth by computer program for railway or identitypath position scheme, this model includes by key elements such as embankment, cutting, bridge and tunnels, threedimensional model generates and exports with KMZ file format, can load on Google Earth and check, complete data preparation stage；
Step 2: for described line position scheme, formulates train, automobile or other maneuver modeling position along the line roaming driving software, by this software, it is possible to person drives maneuver modeling carry out linear operation and arrange roaming orientation and angle to make drive simulating.
The present invention combines exterior three dimensional model powerful for Google Earth and loads ability to express, more roadside key element is added by auxiliary, such as tree, house, electric pole etc., build the scene that a three-dimensional circuits analogue simulation directly perceived is driven, to realize ocular demonstration and the simulation of traffic engineering.The method have the advantages that
1, three-dimensional simulation emulation is implemented quick, zero cost, to can instantaneous generation circuit threedimensional model to alignment position scheme, it is to avoid a large amount of human and material resources of artificial modeling, financial resources consumption and time delays；
2, three-dimensional circuits Model Results file is easily issued, and easily propagates, high encryption, can be transmitted directly to engineering each side concerned and intuitively checks on Google Earth and analyze, and guarantee engineering construction is smoothed out with operation；
3, drive simulating roaming is workable, it is possible to the speed of service of angle comprehensive, each ground manipulation objective body and the state of shooting with video-corder, and is especially suitable for the operation of engineering proposal, planning preview and decision-making and reports；
4, the desktop version of Google Earth and the realization of webpage connector version drive simulating technology it are simultaneous for, it is possible to meet the different simulation needs of various different occasion.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention comes from drive simulating string train or a motor vehicles on Google Earth and expects along the roaming carrying out having, caning be fast or slow to fixed line.In order to realize this expectation, the dynamic displacement that the technology of its core realizes seeking to realize given objective body (train or motor vehicles etc.) controls, and the concept being simultaneously introduced leading line carrys out the route that specified object moves, including the height of movement.In addition so that roaming scence is more true, naturally directly perceived, can in the past in Google Earth addition circuit threedimensional model, station and road landscape model on both sides of the road thus realize the drive simulation of a kind of emulation.
The structure of the present invention includes a line position scheme database, line position scheme database mainly includes planar line position intersection point table (intersecting point coordinate, intersection point radius and slow long configuration), gradient table, bridge tunnel plants flag table etc., by the plan coordinate parameters that these line position protocol are given with Google Earth, the circuit three-dimension modeling of scheme is got up by Automatic Program, and by final vertex Coordinate Conversion be the whole world geodetic coordinates, output three-dimensional line bit model is in KMZ file, the most simultaneously, according to planar line position and gradient table, program also can generate the navigation circuit of a swath height value and export as analysable KML key element, data preparation stage completes.
In the roaming dummy run phase, three-dimensional line bit model, train/car model, other building model can be loaded in the lump or intersperse model in Google Earth, specify object module and leading line, both the loading having completed scene data prepares, can be manipulated by panel start with drive objective body model be accelerated along leading line, at the uniform velocity, Reduced Speed Now, travelling simultaneously can be by adjusting video recorder viewpoint, line of vision and visual angle change roaming picture angle, thus reach both controlled motion speed, it is also possible to the purpose inspecting angle is set flexibly.
Owing to, in Google Earth desktop version with plug-in unit version, realizing entirely different to the drive pattern of objective body, operation control panel also differs (although function is identical, but one is html page control, and one is WinForm control).
The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in this area.
Claims (2)
1. a construction method for three-dimensional visual simulation pilot instrument based on Google Earth, comprises the following steps:
Step 1: carried out the circuit threedimensional model built with standard cross-section based on Google Earth by computer program for railway or identitypath position scheme, this model includes described line position surrounding enviroment, threedimensional model generates and exports with KMZ file format, can load on Google Earth and check, complete data preparation stage；
Step 2: for described line position scheme, formulate train, automobile or other maneuver modeling and roam drive simulating software along described line position, by this software, it is possible to person drives maneuver modeling run at the enterprising line linearity in described line position and arrange roaming orientation and angle to make drive simulating；In the roaming dummy run phase, other building model can be loaded in the lump or intersperse model in Google Earth, specify object module and leading line, the loading i.e. completing scene data prepares, be manipulated by panel start with drive objective body model be accelerated along leading line, at the uniform velocity, Reduced Speed Now, travel and be arranged on video recorder viewpoint in analogue simulation pilot instrument by adjustment simultaneously, line of vision changes roaming picture angle with visual angle, thus reach both controlled motion speed, it is also possible to the purpose inspecting angle is set flexibly.
2. the construction method of three-dimensional visual simulation pilot instrument based on Google Earth as claimed in claim 1, it is characterized in that: the computer program of described step 1 includes a line position scheme database, described line position scheme database includes planar line position intersection point table, gradient table and bridge tunnel plant flag table parameter, by described line position protocol and given plan coordinate parameters, the circuit three-dimension modeling of scheme is got up by computer program automatically, and by final vertex Coordinate Conversion be the whole world geodetic coordinates, output three-dimensional line bit model is in KMZ file, meanwhile, according to planar line position and gradient table, computer program also can generate the navigation circuit of a swath height value and export as analysable KML key element, data preparation stage completes.
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| CN201210594783.1A CN103106683B (en) | 2012-12-31 | 2012-12-31 | The construction method of three-dimensional visual simulation pilot instrument based on Google Earth |
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| CN103106683A CN103106683A (en) | 2013-05-15 |
| CN103106683B true CN103106683B (en) | 2016-08-24 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103745627A (en) * | 2013-12-16 | 2014-04-23 | 北京交控科技有限公司 | Three-dimension visual simulation method and three-dimension visual simulation system for driving simulation |
| CN104575149A (en) * | 2014-12-31 | 2015-04-29 | 中国神华能源股份有限公司 | Railway train operation training system based on virtual reality |
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| CN101540020A (en) * | 2009-04-01 | 2009-09-23 | 江西省交通设计院 | Three-dimensional line-selection method for road |
| CN102184570A (en) * | 2011-04-28 | 2011-09-14 | 广东省电力设计研究院 | Three-dimensional optimization and line selection system, method and device for roaming establishment in stereoscopic scenes of three-dimensional optimization and line selection system |
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Patent Citations (2)
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| CN101540020A (en) * | 2009-04-01 | 2009-09-23 | 江西省交通设计院 | Three-dimensional line-selection method for road |
| CN102184570A (en) * | 2011-04-28 | 2011-09-14 | 广东省电力设计研究院 | Three-dimensional optimization and line selection system, method and device for roaming establishment in stereoscopic scenes of three-dimensional optimization and line selection system |
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