Creating and loading big 3D objects into Cesium
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I'm trying to create and load 3D objects into Cesium.
I need to create these objects programmatically (by using some import-transformation service, .NET platform used) from various sources
I have experience of doing it in THREEJS.
I read DXF file, convert entities into PostGIS geometries, triangulate (to create surface from elevation data), tessellate geometries and finally construct
THREEJS-compatible scene (JSON format, Gzipped, THREE.BufferGeometry used). This works pretty well: no problems with loading hungreds of thousands triangles/points.
Sometimes I use webworkers just to request and parse JSON.
Also, I was able to load pretty big (40mb) geojson into my OpenLayers client app without any problem (Map and WebGLMap)
But I can't load even 20mb geojson (polylines) into cesium (1.51.0)!
viewer.dataSources.add(Cesium.GeoJsonDataSource.load('data/geojson/test1.geojson'));
gives me
An error occurred while rendering. Rendering has stopped.
RangeError: Array buffer allocation failed
RangeError: Array buffer allocation failed
at arrayBufferConstructor_DoNotInitialize (<anonymous>)
at new Float64Array (<anonymous>)
at Object.o.createTypedArray (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:227:18570)
at H (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:21640)
at j (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:22200)
at ne (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:30083)
at Object.ae.splitLongitude (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:7036)
at v (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:10398)
at Object.M.combineGeometry (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:13298)
at r (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:18552)
Why is that?
What can I do? GLTF/GLB/3D tiles are pretty complex formats. There is no rich tool set to customize/control object creation using these formats.
I do not want to buy super-duper (really) FME Server to create GLTFs...
Maybe I can use czml to load complex geometries, using polylines etc)?
3d postgis cesium gltf czml
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
add a comment |
I'm trying to create and load 3D objects into Cesium.
I need to create these objects programmatically (by using some import-transformation service, .NET platform used) from various sources
I have experience of doing it in THREEJS.
I read DXF file, convert entities into PostGIS geometries, triangulate (to create surface from elevation data), tessellate geometries and finally construct
THREEJS-compatible scene (JSON format, Gzipped, THREE.BufferGeometry used). This works pretty well: no problems with loading hungreds of thousands triangles/points.
Sometimes I use webworkers just to request and parse JSON.
Also, I was able to load pretty big (40mb) geojson into my OpenLayers client app without any problem (Map and WebGLMap)
But I can't load even 20mb geojson (polylines) into cesium (1.51.0)!
viewer.dataSources.add(Cesium.GeoJsonDataSource.load('data/geojson/test1.geojson'));
gives me
An error occurred while rendering. Rendering has stopped.
RangeError: Array buffer allocation failed
RangeError: Array buffer allocation failed
at arrayBufferConstructor_DoNotInitialize (<anonymous>)
at new Float64Array (<anonymous>)
at Object.o.createTypedArray (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:227:18570)
at H (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:21640)
at j (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:22200)
at ne (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:30083)
at Object.ae.splitLongitude (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:7036)
at v (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:10398)
at Object.M.combineGeometry (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:13298)
at r (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:18552)
Why is that?
What can I do? GLTF/GLB/3D tiles are pretty complex formats. There is no rich tool set to customize/control object creation using these formats.
I do not want to buy super-duper (really) FME Server to create GLTFs...
Maybe I can use czml to load complex geometries, using polylines etc)?
3d postgis cesium gltf czml
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
add a comment |
I'm trying to create and load 3D objects into Cesium.
I need to create these objects programmatically (by using some import-transformation service, .NET platform used) from various sources
I have experience of doing it in THREEJS.
I read DXF file, convert entities into PostGIS geometries, triangulate (to create surface from elevation data), tessellate geometries and finally construct
THREEJS-compatible scene (JSON format, Gzipped, THREE.BufferGeometry used). This works pretty well: no problems with loading hungreds of thousands triangles/points.
Sometimes I use webworkers just to request and parse JSON.
Also, I was able to load pretty big (40mb) geojson into my OpenLayers client app without any problem (Map and WebGLMap)
But I can't load even 20mb geojson (polylines) into cesium (1.51.0)!
viewer.dataSources.add(Cesium.GeoJsonDataSource.load('data/geojson/test1.geojson'));
gives me
An error occurred while rendering. Rendering has stopped.
RangeError: Array buffer allocation failed
RangeError: Array buffer allocation failed
at arrayBufferConstructor_DoNotInitialize (<anonymous>)
at new Float64Array (<anonymous>)
at Object.o.createTypedArray (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:227:18570)
at H (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:21640)
at j (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:22200)
at ne (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:30083)
at Object.ae.splitLongitude (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:7036)
at v (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:10398)
at Object.M.combineGeometry (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:13298)
at r (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:18552)
Why is that?
What can I do? GLTF/GLB/3D tiles are pretty complex formats. There is no rich tool set to customize/control object creation using these formats.
I do not want to buy super-duper (really) FME Server to create GLTFs...
Maybe I can use czml to load complex geometries, using polylines etc)?
3d postgis cesium gltf czml
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
I'm trying to create and load 3D objects into Cesium.
I need to create these objects programmatically (by using some import-transformation service, .NET platform used) from various sources
I have experience of doing it in THREEJS.
I read DXF file, convert entities into PostGIS geometries, triangulate (to create surface from elevation data), tessellate geometries and finally construct
THREEJS-compatible scene (JSON format, Gzipped, THREE.BufferGeometry used). This works pretty well: no problems with loading hungreds of thousands triangles/points.
Sometimes I use webworkers just to request and parse JSON.
Also, I was able to load pretty big (40mb) geojson into my OpenLayers client app without any problem (Map and WebGLMap)
But I can't load even 20mb geojson (polylines) into cesium (1.51.0)!
viewer.dataSources.add(Cesium.GeoJsonDataSource.load('data/geojson/test1.geojson'));
gives me
An error occurred while rendering. Rendering has stopped.
RangeError: Array buffer allocation failed
RangeError: Array buffer allocation failed
at arrayBufferConstructor_DoNotInitialize (<anonymous>)
at new Float64Array (<anonymous>)
at Object.o.createTypedArray (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:227:18570)
at H (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:21640)
at j (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:22200)
at ne (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:230:30083)
at Object.ae.splitLongitude (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:7036)
at v (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:10398)
at Object.M.combineGeometry (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:13298)
at r (http://localhost:9090/public/ThirdParty/Cesium/Workers/combineGeometry.js:231:18552)
Why is that?
What can I do? GLTF/GLB/3D tiles are pretty complex formats. There is no rich tool set to customize/control object creation using these formats.
I do not want to buy super-duper (really) FME Server to create GLTFs...
Maybe I can use czml to load complex geometries, using polylines etc)?
3d postgis cesium gltf czml
3d postgis cesium gltf czml
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
edited Nov 17 '18 at 16:15
SalientBrain
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
asked Nov 16 '18 at 12:01
SalientBrainSalientBrain
1,3661015
1,3661015
add a comment |
add a comment |
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