Self-adaptive gridding distance calculation method and device
The invention provides a self-adaptive gridding distance calculation method and device, and the method comprises the following steps: 1, carrying out the gridding of a map according to the longitude and latitude, and determining the lengths and widths of all grids according to the business demands;...
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| creator | XU JING LU CHIU-MING SUN WEI ZHANG HUIMEI LIN WEIJUN HUANG WANDE FU WENBING FAN YANLONG DAI MEISHUO WANG FANGYUAN |
| description | The invention provides a self-adaptive gridding distance calculation method and device, and the method comprises the following steps: 1, carrying out the gridding of a map according to the longitude and latitude, and determining the lengths and widths of all grids according to the business demands; step 2, carrying out data standardization on the longitude and the latitude, and then carrying out conversion on the length and the width; 3, determining longitudes and latitudes of four corners to which the grid belongs; 4, converting the actual longitude and latitude as the actual longitude and latitude of the central point of the affiliated grid; step 5, when the service system needs to obtain the navigation distance between two position nodes, converting the longitudes and latitudes of the two position nodes into the actual longitudes and latitudes of the central points of the grids to which the two position nodes belong according to the steps 1-4; and step 6, obtaining the navigation distance between the two p |
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| subjects | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC DIGITAL DATA PROCESSING GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TESTING |
| title | Self-adaptive gridding distance calculation method and device |
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