Questions tagged [crossing]
The crossing tag has no usage guidance.
8
questions
2
votes
1answer
47 views
Layering up road and rail bridges from OpenStreetMap data in QGIS
I am using QGIS 3.
I am creating a topographic map using OSM data downloaded as shapefiles. Obviously of I put the railways layer under the roads layer, all railways show as passing under roads. Or ...
1
vote
1answer
52 views
Calculating number of polygons needing to be crossed?
I have a bunch of polygons (parcels, green areas) and a bunch of wells (point, black triangles).
How do I calculate the number of parcels I need to cross to get to the closest well to each parcel?
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1
vote
3answers
79 views
ST_Contains when linestring crossing itself
I have a linestring which crosses itself, like in the picture below. There isn't any vertice at the crossing.
It is a MultiLinestring, so when I want to get the startpoint, the endpoint, or the ...
0
votes
0answers
50 views
Geodesic line intersect Vincenty
I'm looking for a compiled 32 bit executable file that can compute the crossing of two lines given two lines defined by endpoints in latitude and longitude or state plane coordinates.
A simple win ...
1
vote
1answer
25 views
Improving performance of shapely crosses
I am unsure if this is the fastest way to test if LineStrings cross each other. Is there a better method.
for line_1, line_2, in itertools.combinations(lines, 2):
crosses = line_1.crosses(line_2)
...
1
vote
1answer
55 views
How to add a column to “link” lines to polygons (Qgis)?
First i'll show you this image
The green polygons are lots/land/property of different people of my city.
The blue lines are the river banks of a river that crosses my city.
The red lines are called ...
-2
votes
1answer
86 views
Count roads crossing borders?
I am looking for a way to count the number of roads crossing a national border in Europe. If possible, I would also like to decompose this result between regions (NUTS2 European regions). I am looking ...
10
votes
1answer
5k views
Intersecting lines to get crossings using Python with QGIS?
I have a set of lines representing bus lines. Some of the lines are overlapping and take the same roads.
I am able to extract the nodes.
However I am interested in extracting only crossings like ...
