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3

PDAL can do this for you, and the easiest way to use PDAL is to install Docker Toolbox and then follow the PDAL Docker Tutorial to verify you have the basics working. Once you're confident things are good, run the following command on the data: docker run -v //c/Users/Howard:/data \ pdal/master \ pdal translate //data/point_cloud_classified.las ...


2

Dynamic or real-time viewing For real-time viewing, start with the Virtual Terrain Project. Open source from a proficient developer it has native GIS smarts. Even if you opt not to use VTP the website itself is the best curated list of data and white paper resources on terrain modelling I'm aware of -- including short evaluations of other 3D terrain ...


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Hi since your points are from a GPS track I am guessing that they have a Z-value field or an elevation field. When you configure the ThreeJS plugin in QGIS you should have the following options for the Z coordinate settings area: Relative to DEM Absolute value I did an example with point data and line data that have an attribute called elevation. I ...


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Interpolate shapes using tool from 3d analyst. Run field calculator expression on numeric field type float, parser - Python def getMedian(shp): aList=[] part=shp.getPart(0) n=len(part) for i in xrange(n): p=part.getObject(i) z=p.Z aList.append(z) aList.sort() return aList[n/2] To call it use: ...


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Try using the Add Z Information tool.


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You might want to try using the ASCII 3D To Feature Class tool. It will require that you setup a text file with the format described in the help documentation. You can also write a Python script that uses geometry objects to construct a line feature, like this example which creates a 2D line from a semi-colon delimited text file.


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With GRASS GIS, you can create 3D geometries with: a 3D shapefile a 2D shapefile with z as an attribute 3D polygon(s) (shapefile 3D) and points (shapefile 2D with z as attribute)



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