All Questions
8 questions
-1
votes
1
answer
183
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Simplifying adjacent polygons with Python while maintaining shared borders [duplicate]
I want to simplify adjacent polygons (GADM zones level 1) with Python while maintaining shared borders.
The general problem is well explained at Simplifying Polygonal Coverages with JTS. The best ...
- 7
1
vote
1
answer
685
views
BigQuery GIS table to GeoJSON type Feature Collection with SQL and/or Python
I have some BigQuery tables with spatial data (lon, lat, point, and linestring) representing boat tracks.
I'm trying to get them into a GeoJSON featurecollection
like [https://geojson.org/], for an ...
- 11
-4
votes
1
answer
318
views
Simplify shapefiles [closed]
I've shapefiles with me and I want to de-code those file and want to build a custom map. Could someone let me know how can I do that with out using Python code.
1
vote
2
answers
1k
views
Simplifying Ways in OpenStreetMap Data
Is there a (current) best practice to simplify ways? I have found:
https://github.com/podolsir/osmosis-simplifyways
But besides not being alive, here (http://permalink.gmane.org/gmane.comp.gis....
user54586
6
votes
1
answer
3k
views
Shapely's simplify won't simplify any more
I have a multipolygon in shapely, and I want to simplify it until it has less than a certain number of points. When I use the preseve_topology=False argument to geom.simplify, I can get the number of ...
- 892
6
votes
1
answer
2k
views
Competing approaches to line & polygon simplification
There seems to be a few theoretical options around at the moment for geometric simplification. Douglas–Peucker seems the most established, followed by Visvalingam's approach (used by d3.js). Now ...
- 526
6
votes
1
answer
4k
views
How do I smooth edges of polygons in QGIS? [duplicate]
Is there a built in function or plugin I can use to achieve smooth lines for my polygons instead of the blocky ones I have now?
- 61
1
vote
2
answers
451
views
How to disable "Simplify geometry" via Python?
After I've loaded a layer from a table in my db I'd like to disable the 'Simplify geometry' (found in Layers/Properties/Rendering) programatically using Python.
I've tried several versions of ...
- 397