CN105760451A - Big data real-time display and output end based on coordinate transformation and used for urban planning - Google Patents
Big data real-time display and output end based on coordinate transformation and used for urban planning Download PDFInfo
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Abstract
The invention discloses a big data real-time display and output end based on coordinate transformation and used for urban planning.The method includes the specific steps that firstly, through an input module, data content and common point coordinates based on a WGS coordinate system are input into a system; then a calculation module is used for converting WGS coordinates of data into a geodetic coordinate system through a coordinate conversion seven-parameter method; finally, a display module and an external mapper are used for displaying the data based on the geodetic coordinate system ad printing out the data.The limitation that due to different coordinate systems of current big data information based on a GPS instrument, the big data information is hardly applied widely to the field of urban planning projects is avoided, the data can be displayed and output in real time while coordinate conversion is conducted, the utilization efficiency of the data is greatly improved, and high application value is achieved in the field of the urban planning projects.
Description
Technical field
The invention belongs to urban planning technical field, show in real time and output intent by big data particularly to the urban planning based on Coordinate Conversion.
Background technology
Along with the development of GPS device and location technology, positioning precision improves day by day, GPS location with round-the-clock, high accuracy and simple operation feature and in big data fields extensive use.Registering data, POI coordinate data from current engineering field widely used mobile phone signaling base station coordinates data, Floating Car coordinate data, microblogging, its coordinate information is obtained by GPS device, and data coordinate system all adopts three-dimensional rectangular coordinate WGS-84.
WGS--84 coordinate system is a kind of conventional terrestrial coordinate system (CTS, ConventionalTerrestrialSystem) that U.S. Department of Defense sets up according to satellite positioning surveys result.WGS--84 coordinate system is as the referential extensive use of gps satellite broadcast ephemeris and precise ephemeris.The feature of WGS-84 coordinate system is: coordinate system is the solid rectangular coordinate system of ground heart, and z-axis points to IERS with reference to extreme direction, i.e. agreement earth pole (CTP) direction of BIH1984.0 definition；X-axis pointed to the initial point plane vertical with Z axis and the IERS intersection point with reference to meridian plane (IRM), namely pointed to zero meridian plane of BIH1984.0 and the intersection point in CTP equator, and Y-axis constitutes right-handed system with Z, X.
Another kind of typical coordinate system type is 2000 countries' earth coordinates (CGCS2000).CGCS2000 coordinate system is solid orthogonal coordinate system with having the feature that a kind of right hand, its coordinate origin is the mass centre of the whole earth including ocean and air, Z axis is pointed to the earth direction with reference to pole of epoch 2000.0 by initial point, the initial directional that epoch is 1984.0 that the sensing of this epoch is given by International Time Bureau calculates, directed temporal evolution ensures not produce the whole world rotation of remnants relative to the earth's crust, X-axis is pointed to the intersection point of Greenwich guide meridian and earth equatorial plane (epoch 2000.0) by initial point, Y-axis and Z axis, X-axis constitutes right hand orthogonal coordinate system.
Reason due to history, Chinese city planning engineering field life-time service earth coordinates, therefore country's earth coordinates are used at a series of planning engineering drawings such as schema mapping, road traffic map, present situation map, blue prints involved by this field at present, to make full use of the data such as original topography, engineering drawing, underground pipeline construction figure.So the urban planning engineering field big data information of application have to carry out WGS--84 coordinate is tied to the conversion of 2000 country's earth coordinates.
In recent years, coordinate system method for transformation has been carried out big quantity research by Chinese scholars.GPS positions market demand early stage, Molodensky proposes three parametric methods and carries out coordinate transformation, the ginseng heart difference dx of two coordinate system ellipsoids of three parameters, dy, dz.Along with GPS positions the popularization of market demand, it has been found that three parametric method errors are relatively big, it is not particularly suitable for the country the territorial scopes such as China are bigger and uses.As the correction to three parametric methods, have employed Seven-parameter both at home and abroad and carry out Coordinate Conversion, namely adopt 7 conversion parameters, including 3 translation parameterss, 3 rotation parameters and 1 scale parameter, seven conversion parameters are obtained by several common point coordinates, can carry out the conversion between coordinate system.Follow-up study proves, Seven-parameter still unavoidably exists local error, and scholar also continues to propose more accurate conversion method, but for City-scale, Seven-parameter can meet the required precision of urban planning engineering practice completely.
Although there being the computational methods of the coordinate transformation such as Seven-parameter, but lack at present convenient big data message is carried out real-time coordinates conversion, figure shows, the method that exports, this has resulted in the big data being currently based on GPS device and has been difficult in urban planning field to understand, is difficult to association, is difficult to the limitation applied, becomes and causes the big data in city instantly to obtain lot of research in field, city to be but difficult to carry out applying at engineering field the critical bottleneck of this phenomenon.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of can carry out coordinate transformation the method showing output in real time quickly and easily by the big data message based on WGS--84 coordinate system, it is possible to the carrying out helping the industries such as architectural design, planning and designing, traffic design more efficient, deep shows and output intent by big data in real time in conjunction with the urban design of big data and the urban planning based on Coordinate Conversion of building-up work.
Technical scheme: for achieving the above object, the present invention provides a kind of urban planning based on Coordinate Conversion to show in real time and output intent by big data, comprises the following steps:
Step 1: by input module, by based on the real time data content of WGS coordinate system and common point coordinate import system；
Step 2: use computing module, utilize Coordinate Conversion Seven-parameter, the WGS coordinate system data of data and common point coordinate are converted into earth coordinates data by Seven-parameter；
Step 3: use output module and display module, by the earth coordinates data obtained by, after output module, re-using display module and by screen, the earth coordinates data obtained after conversion are shown output in real time；
Step 4: use printout module, by the earth coordinates data that obtain after converting by external drawing apparatus printout.
Wherein by based on the real time data content of WGS coordinate system and specifically comprising the following steps that of common point coordinate import system in step 1
Step 1.1: import the big data message based on X-Y-Z three-dimensional rectangular coordinate WGS-84, the wherein built-in GIS-Geographic Information System port of input module by input module；
Step 1.2: the spatial shape of the big data message of the WGS-84 coordinate system of input is displayed with transverse and longitudinal X-Y coordinate by display screen.
Wherein the WGS coordinate system data of data and common point coordinate are converted into specifically comprising the following steps that of earth coordinates data by Seven-parameter by step 2
Step 2.1: the big data coordinates based on WGS-84 coordinate system is imported computing module；
Step 2.2: some common point coordinates are imported computing module；
Step 2.3: calculate seven Transformation Parameters, i.e. three translation parameterss, three rotation parameters and a scale parameter based on common point coordinate；
Step 2.4: import Transformation Parameters in computing module, uses Seven-parameter that X-Y-Z three-dimensional rectangular coordinate WGS-84 is converted into B-L-H2000 country geodetic coordinates；
Step 2.5: derive the big data message based on 2000 country's geodetic coordinates.
Wherein the input module in step 1 is all displayed by display module with the output module in step 3.
Step 4 wherein uses the external drawing apparatus of system, by the coordinate points of the big data message based on 2000 country's geodetic coordinates with the form printout of transverse and longitudinal X-Y coordinate for engineering drawing.
Wherein in step 1.1, big data message is that mobile phone signal base station coordinates data, Floating Car coordinate data, microblogging are registered data and POI coordinate data, and its coordinate information is obtained by GPS device, and coordinate system adopts three-dimensional rectangular coordinate WGS-84.
The present invention carries out coordinate computation based on computing module, realize being tied to the rapid conversion of the general earth coordinates in urban planning field from the WGS coordinate that big data fields is conventional, and carry out display in real time and output, as the important evidence of urban planning, Urban Design Practice.The present invention first passes through input module, by based on the data content of WGS coordinate system and common point coordinate import system；Secondly, use computing module, utilize " Coordinate Conversion Seven-parameter ", be earth coordinates by the WGS coordinate transformation of data；Finally, use display module and external drawing apparatus, data are shown with earth coordinates and printout.The invention solves instantly based on the big data message of GPS equipment owing to coordinate system is different, it is difficult to by the wide variety of limitation of urban planning engineering field, data can be shown in real time output while coordinate transformation, the efficiency of data separate is greatly improved, has broad application value at urban planning engineering field.
Beneficial effect: the present invention compared with prior art has the advantage that
(1) better solve current urban planning engineering field and be difficult to be converted into the big data of WGS-84 coordinate system the limitation of 2000 country's earth coordinates, coordinate computation is carried out based on computing module, realize being tied to from the WGS coordinate that big data fields is conventional the rapid conversion of the general earth coordinates in urban planning field, and carry out display in real time and output.
(2) work efficiency is high.The program, based on computerized data acquisition and analysis, is realized the conversion of data coordinate system, display and the way of output by automatization, is independent of human input and carries out coordinate and move and proofread, saves substantial amounts of man-hour.
(3) with urban planning industry workflow slitless connection.The big data in urban planning field based on Coordinate Conversion that the present invention proposes show and output intent in real time, unworkable for traditional planning industry big data message can be converted into and meet the engineering drawing that coordinate system is required by urban planning field, meet Its Relevant Technology Standards, make Traditionalcity planning workflow and new data environment seamless connection.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention；
Fig. 2 is 2000 country's earth coordinates that in specific embodiment, mobile phone signaling base station coordinates in Shanghai shows.
Detailed description of the invention
Below in conjunction with Shanghai mobile phone signaling data Coordinate Conversion, show and be output as example to explain technical scheme, as it is shown in figure 1, specific embodiment of the invention comprises the following steps:
Step 1: by input module, by the Shanghai certain Communications service business's mobile phone signaling data content import system based on WGS coordinate system, mobile phone signaling data coordinate is cellular base station coordinate, totally 9773 coordinate points, and coordinate system is WGS-84.
1.1) the built-in GIS-Geographic Information System of input module (GIS) port, import the big data message (X, Y, Z) based on three-dimensional rectangular coordinate WGS-84, big data message refers in particular to the mobile phone signaling base station coordinates data commonly used in urban planning field herein, Floating Car coordinate data, microblogging register data, POI coordinate data, its coordinate information is obtained by GPS device, and coordinate system adopts three-dimensional rectangular coordinate WGS-84.
1.2) WGS-84 inputs the display of data.The spatial shape of input data is displayed by display screen, and display screen shows with transverse and longitudinal X-Y coordinate.
Step 2: use computing module, utilizes " Coordinate Conversion Seven-parameter ", is earth coordinates by the WGS coordinate transformation of data.
2.1) the big data coordinates (x, y, z) based on WGS-84 coordinate system is imported computing module.
2.2) some (more than 3) common point coordinate is imported computing module.
2.3) 7 Transformation Parameters, i.e. 3 translation parameterss, 3 rotation parameters and 1 scale parameter are calculated based on common point coordinate.
2.4) importing Transformation Parameters in computing module, (x, y z) are converted into 2000 countries' geodetic coordinates (B, L, H) by three-dimensional rectangular coordinate WGS-84 to use Seven-parameter.
Above formula is the conversion formula of Seven-parameter, wherein 7 conversion parameters, including 3 translation parameterss (Δ x, Δ y, Δ z), three rotation parameter (εx、εy、εz) and a scale factor K.The Coordinate Conversion between two different spaces rectangular coordinate systems can be carried out by above-mentioned model, when public count be more than three time, just can try to achieve conversion parameter by the method for adjustment.After trying to achieve conversion parameter, recycle above-mentioned model and carry out the Coordinate Conversion of each point.
2.5) the big data message of the Shanghai mobile phone signaling (B, L, H) based on 2000 country's geodetic coordinates is derived.
Step 3: use display module, cellular base station coordinate diagram is shown in real time with earth coordinates output (as shown in Figure 2).
The spatial shape deriving data is displayed by display screen, display screen shows big data message (B, L, H) with transverse and longitudinal X-Y coordinate, selection display screen can be arranged by option to change between " input data " and " derivation data ", it is simple to data compare.
Step 4: use external drawing apparatus, by data with earth coordinates printout.
The external professional drawing instrument of use system, by the coordinate points (B, L, H) of the big data message of Shanghai signaling based on 2000 country's geodetic coordinates with the form printout of transverse and longitudinal X-Y coordinate for engineering drawing.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. show in real time and output intent by big data based on the urban planning of Coordinate Conversion, it is characterised in that comprise the following steps:
Step 1: by input module, by based on the real time data content of WGS coordinate system and common point coordinate import system；
Step 2: use computing module, utilize Coordinate Conversion Seven-parameter, the WGS coordinate system data of data and common point coordinate are converted into earth coordinates data by Seven-parameter；
Step 3: use output module and display module, by the earth coordinates data obtained by, after output module, re-using display module and by screen, the earth coordinates data obtained after conversion are shown output in real time；
Step 4: use printout module, by the earth coordinates data that obtain after converting by external drawing apparatus printout.
2. the urban planning based on Coordinate Conversion according to claim 1 shows and output intent in real time by big data, it is characterised in that by based on the real time data content of WGS coordinate system and specifically comprising the following steps that of common point coordinate import system in described step 1
Step 1.1: import the big data message based on X-Y-Z three-dimensional rectangular coordinate WGS-84, the wherein built-in GIS-Geographic Information System port of input module by input module；
Step 1.2: the spatial shape of the big data message of the WGS-84 coordinate system of input is displayed with transverse and longitudinal X-Y coordinate by display screen.
3. the urban planning based on Coordinate Conversion according to claim 1 shows and output intent in real time by big data, it is characterized in that, the WGS coordinate system data of data and common point coordinate are converted into specifically comprising the following steps that of earth coordinates data by Seven-parameter by described step 2
Step 2.1: the big data coordinates based on WGS-84 coordinate system is imported computing module；
Step 2.2: some common point coordinates are imported computing module；
Step 2.3: calculate seven Transformation Parameters, i.e. three translation parameterss, three rotation parameters and a scale parameter based on common point coordinate；
Step 2.4: import Transformation Parameters in computing module, uses Seven-parameter that X-Y-Z three-dimensional rectangular coordinate WGS-84 is converted into B-L-H2000 country geodetic coordinates；
Step 2.5: derive the big data message based on 2000 country's geodetic coordinates.
4. the urban planning based on Coordinate Conversion according to claim 1 shows and output intent in real time by big data, it is characterised in that the input module in step 1 is all displayed by display module with the output module in step 3.
5. the urban planning based on Coordinate Conversion according to claim 1 shows and output intent in real time by big data, it is characterized in that, step 4 uses the external drawing apparatus of system, by the coordinate points of the big data message based on 2000 country's geodetic coordinates with the form printout of transverse and longitudinal X-Y coordinate for engineering drawing.
6. the urban planning based on Coordinate Conversion according to claim 2 shows and output intent in real time by big data, it is characterized in that, in step 1.1, big data message is that mobile phone signal base station coordinates data, Floating Car coordinate data, microblogging are registered data and POI coordinate data, its coordinate information is obtained by GPS device, and coordinate system adopts three-dimensional rectangular coordinate WGS-84.
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| CN106777302A (en) * | 2016-12-30 | 2017-05-31 | 深圳市华傲数据技术有限公司 | The conversion method and device of space and geographical coordinate |
| CN111061726A (en) * | 2019-11-18 | 2020-04-24 | 内蒙古师范大学 | Space vector data storage method based on point M value and coordinate system conversion system |
| CN111503524A (en) * | 2020-04-28 | 2020-08-07 | 深圳市爱路恩济能源技术有限公司 | Method for matching urban gas users with pressure regulating box |
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| CN104123695A (en) * | 2014-06-23 | 2014-10-29 | 唐文兴 | Method for realizing coordinate conversion |
| CN105160197A (en) * | 2015-09-23 | 2015-12-16 | 湖北省基础地理信息中心 | Comprehensive geographical spatial data coordinate conversion method and system |
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| US20090265407A1 (en) * | 2008-04-22 | 2009-10-22 | Honeywell International Inc. | Method and System For Determining Altitude, Longitude, and Lattitude From Earth Orthogonal Coordinate System |
| CN104123695A (en) * | 2014-06-23 | 2014-10-29 | 唐文兴 | Method for realizing coordinate conversion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106777302A (en) * | 2016-12-30 | 2017-05-31 | 深圳市华傲数据技术有限公司 | The conversion method and device of space and geographical coordinate |
| CN106777302B (en) * | 2016-12-30 | 2020-10-09 | 深圳市华傲数据技术有限公司 | Method and device for converting space geographic coordinates |
| CN111061726A (en) * | 2019-11-18 | 2020-04-24 | 内蒙古师范大学 | Space vector data storage method based on point M value and coordinate system conversion system |
| CN111061726B (en) * | 2019-11-18 | 2023-03-31 | 内蒙古师范大学 | Space vector data storage method based on point M value and coordinate system conversion system |
| CN111503524A (en) * | 2020-04-28 | 2020-08-07 | 深圳市爱路恩济能源技术有限公司 | Method for matching urban gas users with pressure regulating box |
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