Every county (polygon) is responsible for maintaining its own roads (lines)– By running this tool, each road segment will add a column for the county it’s in. So that’s all we have for spatial joining in GIS. What did we miss? What would you like us to explain better? Please le...
File: qgslinesymbollayerv2.cpp Project: LingboTang/QGIS void QgsSimpleLineSymbolLayerV2::applyDataDefinedSymbology( QgsSymbolV2RenderContext& context, QPen& pen, QPen& selPen, double& offset ) { if ( mDataDefinedProperties.isEmpty() ) return; // shortcut //data defined properties QgsExpressi...
3 Deleting lines automatically which are not connected in QGIS 4 Wrong order of the geometry parts in the result of QgsGeometry.difference() 2 Merging lines in QGIS 1 QGIS merge line within 1 long line 0 Joining all hydrographic vectors touching each other (inside same feature) using...
When you say run the query and get a join but no geometry I'm not sure what you mean. I tested your query and it works. Perhaps it just wasn't obvious that the query was creating the lines. If you can't see any lines on the map maybe the CRS for the virtual layer is wrong?
Join Geographic Information Systems By clicking “Sign up”, you agree to our terms of service and acknowledge you have read our privacy policy. Sign up with Google OR Email Password Sign up Already have an account? Log in
2 QGIS 1.8.0 on Mac - how to cut/paste/delete? 9 How to delete one polygon from a multi polygon record in a spatialite database using QGIS 3 How to clean up a polygon by removing vertices and lines within? 1 Selecting multiple vertices by dragging box doesn't work 5 Removing ...
I want to write a Python script which I can execute from within QGIS 2.18 (from the Python console). The Python script should calculate the nearest line (out of a set of lines) of a given point (out of a set of points) and I have already accomplished this task by manually using ...