Also known as a "node", one of the points specifically used to describe a polygon or polyline in a "vector" or "linestring" representation.

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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 ...
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94 views

How to split a line at designated points and vertices(confluences)?

I have a line that already has its own segments and attribute table: I've used line dissolve tool in Geoalgorithms to make the previous attribute table look like this:so I make the segmented line ...
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29 views

Identify primary routes in Postgis

I have a table of linestrings that make up a route network. I want to identify the primary routes and separate out the interconnections. Problem is that the primary routes are split into separate ...
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49 views

Move nodes with following lines

I have in QGIS a network with lines connected with nodes/vertices. For example vertices in roads or a corner of an border. I want to move the a vertex so that all lines that are connected to this node ...
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99 views

Changing polyline vertex followed be union causes exception

I'm new to this arcobject stuff. I'm trying to change the last vertex on a polyline feature. (using C#) After the change I need to add this changed polyline into another. It seemed to work except if ...