mapshaper

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Export topology??

2

mapshaper works by building an internal topological representation of the map. Is it possible (or perhaps: please make it possible!) to export this topological representation in any format? If someone...

wpegden

Command to remove splinter polygons

6

Splinter polygons can form as a byproduct of some operations, like clipping and erasing. There should be a way to remove these. Perhaps the clip/erase commands should automatically filter out...

mbloch

geometry changed on processing with rfc7946 output option

3

 blue: input, red: output `mapshaper -i input.geojson -o rfc7946 damaged.geojson` Skipping rfc7946 option removes the problem. Is this changing geometry a bug and should not happen (I will post...

matkoniecz

Projection options unclear

2

I reviewed the CLI Mapshaper help for -proj and -projections and also the online documentation and I'm still not sure how to format the command for getting the results I...

godavem

TypeError: Cannot read property 'size' of null

2

mapshaper -i test.geojson -lines fields=building -o out.geojson test.geojson content: ``` { "type": "FeatureCollection", "features": [ { "type": "Feature", "id": "way/52004195", "geometry": { "type": "Polygon", "coordinates": [ [ [ 19.9275616, 50.0560056...

matkoniecz

Manipulating Shapefiles over 2GB?

1

First off, I wanted to say that I love this utility. It's so much faster than ogr2ogr has been for what I'm trying to do. The only problem I've had...

m0ngr31

Feature request: Filter features by intersection with another layer

1

Let's say you have two layers, one congressional district in a state and every zip code in that state. I want to be able to create a layer of zip...

mhkeller

Question: Can a points layer be rendered as lines / arbitrary path

6

So, maybe there's a command that does this more simply, but I was wondering whether it was possible to render data as a path, starting from a points layer? Say,...

cedricsam

Simplification resulting in polygon with degenerate segment

2

Hi -- I'm not sure if this is the expected output, but I noticed when simplifying the attached geojson consisting of two MultiPolygons, the output results in a degenerate polygon...

vedinerd

Trying to figure out how to run the line intersection check as it's own method. Is this something accessible to the command line tool or a method I can invoke...

jhawlwut