"But some parameters are not clear, for example, is distance measured by meters? so if i insert 1000 is that 1000 meter?" For the parameter "Distance Threshold", the distance unit is base on the output coordinate system. By default, the output coordinate system will be the same as the input's projection spatial unit. For example, if the projection of the input is WGS1984 (Web Mercator Auxiliary Sphere), then the distance is measured in meters. If the projection is NAD 1983 StatePlane, then the distance is measured in feet. Thanks, Ting-Hwan
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