All Questions
5 questions
1
vote
1
answer
362
views
Snapping two topology layers together based on point
In QGIS 3.14.15 with GRASS 7.8.3 I have two layers both with correct topology that function how they should. When using the Network Analysis > Service Area tool, they work as they are supposed to. ...
0
votes
1
answer
561
views
Identifying road segments completely cut off by polygon using QGIS?
I have a road network (black line) and I want to identify all segments that are completely cut off by my flood polygon (blue polygon).
I have clipped the road network to get all roads within the road ...
- 823
6
votes
1
answer
128
views
Restricting the creation of lines for network creation in QGIS: start/end vertices must snap to existing vertices
My interest lies in network creation, however, knowing how to do that in general would be a plus. How is it possible to prevent a user from creating a line (line vector) without connecting it ...
- 1,852
1
vote
0
answers
799
views
Removing pseudo-nodes using QGIS Sextante plugin?
I have a road network (vector) that i'm interested in carrying out some space syntax analysis on.
Predictably my GIS data is in a pretty terrible state. For example, there are a bunch of roads on the ...
- 559
17
votes
4
answers
5k
views
How to connect lines in a network?
I have a shapefile of lines and another of polygons. When two or more lines intersect a polygon they should be connected (snapped), but sometimes during manual digitization this doesn't occur. I need ...
- 5,618