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CN-122023698-A - Multi-object space information calculation method based on Goodyear GIS

CN122023698ACN 122023698 ACN122023698 ACN 122023698ACN-122023698-A

Abstract

The invention discloses a multi-object space information calculation method based on a GoldGIS (geographic information system), which comprises the following steps of 1, collecting space data including remote sensing images, geographic coordinate data and landform information, 2, preprocessing the data collected in the step 1, including data cleaning, formatting and standardization, 3, converting geographic coordinates of a ranging point and geographic coordinates of a target into a North Tiandong coordinate system, and using the position of the ranging point as an origin of a new coordinate system to perform azimuth angle theta and pitch angle Calculation of distance R based on θ, And obtaining actual state data of the target in the real scene by the speed, the moving track, the advancing direction and the advancing angle of the R and the target. The invention expands the possibility of real-time interaction between the map GIS system and the real-space object, and the physical behavior of the real-space object can be reflected into the map GIS system in real time, and the parameters comprise speed, azimuth, pitch angle, altitude and the like.

Inventors

  • WAN JIE
  • WANG ZIQI
  • LI MENGHUI

Assignees

  • 哈尔滨工业大学

Dates

Publication Date
20260512
Application Date
20260202

Claims (7)

  1. 1. A multi-object space information calculation method based on a GoldGIS is characterized by comprising the following steps: Step1, collecting space data, including remote sensing images, geographic coordinate data and topography information; Step 2, preprocessing the data collected in the step 1, including data cleaning, formatting and standardization; step 3, calculating various geographic data of the target and the ranging point: step 31, converting the geographic coordinates (L1, B1, H1) of the ranging points and the geographic coordinates (L2, B2, H2) of the target into a north-east coordinate system; step 32, using the position of the ranging point as the origin point of the new coordinate system to perform azimuth angle θ and pitch angle Calculating a distance R; step 33, calculating azimuth angle θ and pitch angle based on step 32 The distance R, the speed, the moving track, the advancing direction and the advancing angle of the target are used for supplementing actual situation data of the target in the real scene, optimizing the expression of the target state data in the current actual scene, replacing the actual state data and supplementing the actual situation content of the target in the real scene to obtain the actual state data of the target in the real scene.
  2. 2. The method for computing the spatial information of the multiple objects based on the GoodGIS according to claim 1, wherein in the step 2, the preprocessing comprises data cleaning, formatting and standardization.
  3. 3. The method for calculating multi-object space information based on the gide GIS according to claim 1, wherein the specific steps of the step 31 are as follows: (1) Converting the longitude and latitude high coordinates (L, B, H) into geocentric space rectangular coordinates (X, Y, Z): Wherein the method comprises the steps of In the form of a radius of curvature, Is the ellipse eccentricity; (2) Converting the geocentric space rectangular coordinates (X2, Y2, Z2) of the target point into a north-east coordinate system (X ', Y ', Z '), wherein the coordinates of the origin of coordinates (L1, B1, H1) in the geocentric space coordinate system are (X1, Y1, Z1): 。
  4. 4. the method for calculating multi-object space information based on the GoldGIS according to claim 3, wherein the calculation formulas of the curvature radius and the ellipse eccentricity are as follows: Wherein the method comprises the steps of Is the long radius of the ellipsoid, Is an ellipsoid with a short radius.
  5. 5. The method for calculating the multi-object spatial information based on the GoldGIS according to claim 1, wherein the azimuth angle θ is calculated by a formula of θ=rad2 deg (atan (Zt/Xt)), wherein Xt is a translation amount in the X-axis direction and Zt is a translation amount in the Z-axis direction.
  6. 6. The method for computing multi-object spatial information based on Goodyear GIS according to claim 1, wherein the pitch angle is as follows The calculation formula of (2) is as follows: =rad2 deg (atan (Yt/(sqrt (Xt 2 +Zt 2 ))), where Xt is the amount of translation in the X-axis direction, yt is the amount of translation in the Y-axis direction, and Zt is the amount of translation in the Z-axis direction.
  7. 7. The method for calculating the spatial information of the multiple objects based on the GoldGIS according to claim 1, wherein the calculation formula of the distance R is R=sqrt (Xt 2 +Zt 2 +Yt 2 ), wherein Xt is the translation in the X-axis direction, yt is the translation in the Y-axis direction, and Zt is the translation in the Z-axis direction.

Description

Multi-object space information calculation method based on Goodyear GIS Technical Field The invention relates to a multi-target space information calculation method, in particular to a multi-target space information calculation method based on a Goldgeographic Information System (GIS). Background The multi-target space information calculation relates to the use of longitude and latitude data provided by a GIS system to convert the height of a space object into north-east coordinates in a geocentric space rectangular coordinate system. The process aims to accurately calculate the key data such as the relative spatial distance, the angle and the included angle among all the spatial objects, and further provides powerful technical support and decision basis for the fields such as space planning, navigation positioning, environment monitoring, disaster early warning and the like. Through multi-target space information calculation, the position relation and the dynamic change of the space object can be understood and analyzed more deeply, so that the resource allocation is optimized, and the efficiency and the accuracy of space management are improved. In addition, multi-objective spatial information computation has also facilitated the development of interdisciplinary research, such as the fusion of geographic information systems with the fields of remote sensing technology, computer science, geophysics, etc. The cooperation across fields not only promotes technical innovation, but also widens the application scene of space information calculation, so that the space information calculation plays an important role in various aspects such as smart city construction, natural resource management, emergency response system and the like. With the continuous progress of technology and the increasing abundance of data acquisition means, the computing capability of multi-target spatial information is further improved, and finer and more real-time spatial analysis is realized. The method is helpful to solve the problem of complex space, improves the scientificity and timeliness of decision making, and contributes to the sustainable development of society. Disclosure of Invention In order to solve the problem of complex space and improve the scientificity and timeliness of decision making, the invention provides a multi-object space information calculation method based on a GoldGIS. The invention aims at realizing the following technical scheme: a multi-object space information calculation method based on a GoldGIS comprises the following steps: Step1, collecting space data, including remote sensing images, geographic coordinate data and topography information; Step 2, preprocessing the data collected in the step 1, including data cleaning, formatting and standardization; step 3, calculating various geographic data of the target and the ranging point: Step 31, converting the geographic coordinates (L1, B1, H1) of the ranging points and the geographic coordinates (L2, B2, H2) of the target into the north eastern coordinate system: (1) Converting the longitude and latitude high coordinates (L, B, H) into geocentric space rectangular coordinates (X, Y, Z): Wherein the method comprises the steps of In the form of a radius of curvature,Is the ellipse eccentricity; (2) Converting the geocentric space rectangular coordinates (X2, Y2, Z2) of the target point into a north-east coordinate system (X ', Y ', Z '), wherein the coordinates of the origin of coordinates (L1, B1, H1) in the geocentric space coordinate system are (X1, Y1, Z1): step 32, using the position of the ranging point as the origin point of the new coordinate system to perform azimuth angle θ and pitch angle Calculation of distance R, wherein: the calculation formula of the azimuth angle θ is θ=rad2 deg (atan (Zt/Xt)); Pitch angle The calculation formula of (2) is as follows: = rad2deg(atan(Yt/(sqrt(Xt2+Zt2)))); The calculation formula of the distance R is that R=sqrt (Xt 2+Zt2+Yt2); Wherein Xt is the translation in the X-axis direction, yt is the translation in the Y-axis direction, and Zt is the translation in the Z-axis direction; step 33, calculating azimuth angle θ and pitch angle based on step 32 Optimizing the expression of the target state data in the current actual scene, replacing the actual state data, and supplementing the actual state content of the target in the actual scene to obtain the actual state data of the target in the actual scene; And step 34, displaying the data collected and calculated in the steps through a GoldGIS system, graphically displaying the real-time position of each target, and manufacturing a multi-person control target real-time simulation situation simulation system based on the BS architecture based on the graphical display. Compared with the prior art, the invention has the following advantages: 1. the invention expands the possibility of real-time interaction between the map GIS system and the real-space object. 2. The inve