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potree to cesium 3dtiles

Thanks to Potree and cesium for their contributions for rendering large point clouds

https://github.com/potree
https://github.com/potree/PotreeConverter
https://github.com/AnalyticalGraphicsInc/3d-tiles/tree/master/specification

usage:

potreeConvert 1.x version,test 1.7

# generate compressed LAZ files instead of the default BIN format.
./PotreeConverter.exe C:/data.las -o C:/potree_converted --output-format LAS -p pageName

potreeConvert 2.x version,test 2.0

Optionally specify the sampling strategy:
Poisson-disk sampling (default): 
PotreeConverter.exe <input> -o <outputDir> -m poisson
Random sampling: 
PotreeConverter.exe <input> -o <outputDir> -m random

potree23dtiles

see function for specific usage.

convert23dtiles(src,outdir,proj_param,max_level=5) 
>> src:potree out data dir,include cloud.js file
>> outdir:output
>> proj_param:proj4 param,ex:EPSG:32650
>> max_level:max tree node level,default 15

cesium

    var tileset = new Cesium.Cesium3DTileset({ url: "http://127.0.0.1/test/tileset.json" });
   
    tileset.readyPromise.then(function(data) {
        viewer.scene.primitives.add(data);
        viewer.zoomTo(tileset);
    }

todos

  • support potreeconvert 2.0
  • support las to 3dtiles,now only support for windows
  • support save to db files(ex:sqlite)
  • merge multi 3dtiles
  • speed ​​up data convert