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Why does polygon.intersection(complex_linestring) split the linestring and mess up Z?
I have a complex (self crossing) line with Z values which I'd like to truncate to the area inside a box. The problem is Shapely splits the line into simple (non-crossing) sections and the Z value at ...
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Get the distance between 2 WGS84 GEOSGeometries
I currently want to check if 2 given GEOSGeometry objects of type Point are within 100m of each other. (length flexible)
Looking at previous asked questions on this topic, most of the answers were ...
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GEOS: how to access Noder functionality through the C API
All this stuff looks rather useful:
http://geos.osgeo.org/doxygen/classgeos_1_1noding_1_1Noder.html
However, from the GEOS README file:
The C++ interface should not be used directly; the geos ...
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GEOS: split line at point
Seeing as GEOS can node lines which intersect simply by union or intersecting them with themselves, can it (through the C API) split a line at a given point?
GEOSUnion, alas, doesn't seem to do the ...
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GEOS: How to intersect without noding?
As discussed in this question intersecting two GEOS line geometries gives a result which has also been noded.
This is very nice if noding is what you want, but is it possible (through the C api) to ...
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56 views
Nearest point-line neighbour in GEOS
A harder question than the point-point one: can anyone tell me, in GEOS/C++ how to find all point-linesegment pairs closer than distance d given a set of points and a set of line segments?
I guess ...
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GEOS: Finding all intersections with user specifiable precision
Working in C++/GEOS, I would like to find all line/line segment intersections in a set of polylines, to a user specified precision (i.e. lines that approach to within said precision are considered as ...
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30 views
modify GEOS Point coordinates
I'm using the GEOS C++ library for a project, but I'm facing a problem that seems a little stupid... How do you change coordinates of a Point once it is created ? Point has a method getCoordinate() ...
