@loaders.gl/potree
Version:
potree loaders for large point clouds.
23 lines • 903 B
JavaScript
/**
* Calculate cartographic origin from Potree bounding box
* @param projection - Proj4Projection instance to reproject coordinates
* @param boundingBox - bounding box data
* @returns - origin of boudngin box in [lng, lat, z] mode
*/
export const getCartographicOriginFromBoundingBox = (projection, boundingBox) => {
if (!boundingBox) {
return [0, 0, 0];
}
const [minXOriginal, minYOriginal, minZ] = boundingBox[0];
const [maxXOriginal, maxYOriginal, maxZ] = boundingBox[1];
let minX = minXOriginal;
let minY = minYOriginal;
let maxX = maxXOriginal;
let maxY = maxYOriginal;
if (projection) {
[minX, minY] = projection.project([minX, minY]);
[maxX, maxY] = projection.project([maxX, maxY]);
}
return [minX + (maxX - minX) / 2, minY + (maxY - minY) / 2, minZ + (maxZ - minZ) / 2];
};
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