A C#/.NET port of JTS Topology Suite, a Java library for GIS operations, (OpenGIS compliant).

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1answer
279 views

Intersection between two LineString gives “Non-noded intersection”

I am using NTS in my application and I have two line strings which are as follows: Line String 1: LINESTRING (51055.227410858584 52102.041513978584, 51073.39084032347 52096.46568847251, ...
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2answers
556 views

What is the problem with the polygon? Getting a *“found non-noded intersection”* exception error

I am working on a GIS program in which I needed to find the difference between the two polygons so, I decided to used NetTopologySuite (NTS) to find the difference. It seems to be working on some of ...
3
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2answers
380 views

Calculate distance of point along a line using NetTopologySuite

I am looking to calculate the distance along a line of a point using NetTopologySuite. Indications are that the distanceOp may have something to do with it, given that I can a point on a line closest ...
2
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2answers
456 views

Get Point at distance on a LineString using NetTopologySuite

I am quite sure there is a function in NTS that actually gets us a point at a distance along a line starting at first vertex. I am using NetTopologySuite version 1.12.1. In Shapely, the python ...
6
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1answer
699 views

What is a “non-noded intersection”?

Can someone provide a precise definition of what a "non-noded intersection" is? There are various GIS platforms and toolkits that have errors with this text, and Google search results for this tend to ...
2
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1answer
66 views

how to judge the side from a point to a linestring

I'm working with NTS (NetTopologySuite), I get point geometry and a directed linestring, how to judge the side of the point locate with the linestring? one the left side, right side, or just on the ...
1
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1answer
256 views

How to convert a CompositeCurve to a NetTopologySuite MultiLineString?

I would like to use NetTopologySuite to convert a CompositeCurve to a MultiLineString. I would like to find some code which shows how to convert this to a MultiLineString: <gml:CompositeCurve ...
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1answer
2k views

how to reproject the coordinate system from WGS84 to UTM with ProjNET

I'm new to ProjNET and NetTopologySuite, I get some points with Lon/Lat in WGS84, and the distance between two points is not with the unit of meter, so I want to reproject the coordinate system from ...
0
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1answer
526 views

How can I make a buffer with xxx meter by NetTopologySuite

I am very new in NetTopologySuite, I work with the coordinatesystem in WGS84 by lon/lat, with the NetTopologySuite. I found the Buffer function to create a buffer with a distance, but how can I make a ...
4
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2answers
422 views

Why isn't valid geometry not valid in NetTopologySuite when close to poles?

I have a Polygon which crosses the south pole: Polygon in WKT: POLYGON((5.86826073458095 75.6638564054071,-16.5436836399021 63.2220742891438,-19.3664667294083 59.846221066959,-21.7009816876343 ...