Also known as a "node", one of the points specifically used to describe a polygon or polyline in a "vector" or "linestring" representation.
9
votes
6answers
2k views
How to find the boundary co-ordinates from a given set of co-ordinates
Given a set of coordinates, How do we find the boundary coordinates.
<== Figure 1
Given the coordinates in the above set, How can I get the coordinates on the red boundary. Boundary is the polygon ...
3
votes
1answer
155 views
Pivot a polyline at vertex or distance using ArcObjects C#
I hope you can help me with that one. I'm using ArcObjects with C# trying to rotate only one part of a polyline at a vertex or distance along the polyline. The polyline is zAware and has values at ...
3
votes
3answers
1k views
How to select the vertices from a polygon?
I am writing some VBA code to extract vertices from a polygon.
I would like to ask, how to select the vertices from a polygon ?
Regards
Gary
2
votes
1answer
622 views
Is there a function or tool that will add vertices to polylines where endpoints are snapped to edges? (ArcMap)
My friend and I are creating a walking network, and we have been having issues getting the routing to work. We just realized that the reason why our routes are messed up is because we snapped our ...
2
votes
1answer
259 views
Snap Polygon vertices to Point features
I have a set of polygons drawn using an inaccurate GPS PDA. these polygons are sharing nodes.
after post-processing GPS data to get accurate coordinates i have a set of all the nodes, then i have to ...
1
vote
1answer
179 views
Problem with Pgrouting 1.5
Hi all and thanks in advance.
I have Postgis 2.0.1 and PgRouting latest version. I'm using osm2pgrouting to import OpenStreetMap data everything goes ok the trouble is that I always get source and ...
1
vote
1answer
59 views
Polyline ZM: automatic vertex height errors correction
Paolo
I've got many rivers (polylines ZM) with a lot of height errors in Polylines 'vertices.
Vertices' Z errors are not all equal in height (i.e. they are not all at zero height).
I must create a TIN ...
0
votes
0answers
78 views
How to insert vertex in polyline layer where we have a point in a point layer
I have a polyline layer and a point layer. Some of the points are on the polylines, but the polylines do not have vertex in these points.
How can i insert vertex there ?
