I have a feature class with thousands of points. In the same table with these point locations, I have two additional fields. One for azimuth, and one for a length (or distance) to move along that ...
How can I turn all features of my polyline (postgis and/or shapefile) into one direction - it doesn't matter what direction. I know how to switch the direction of lines but I have no idea how to ...
I have a large data set of points, all of which lie on a river network and have x, y co-ordinates. I want to calculate the slope of the river channel at each point from the underlying DEM by taking ...
I have a problem in creating some polylines in one Shapefile with PyShape. The plan is to read a GML file containing LineStrings and create a shapefile. The theory is clear, but the realworld is ...
In ArcGIS Basic I am trying to take a road polyline(one segment for the entire length of road) and get a point placed on the map a specified distance from an intersection. I have a layer of ...
I am trying to determine whether my shape file that I pass is in M-aware (has M value). I keep getting an error Attribute Error: 'Polyline' object has no attribute 'hasM' Not sure what I am doing ...