mapshaper

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Add cmyk color support to -classify()

3

* CMYK versions of color ramps * Support for `cmyk(c,m,y,k)` notation * Interpolation of cmyk colors * Add an option to save values for each channel to a separate field...

mbloch

Add suport for extracting centeriods

1

I am using pattern of "simonepri" to start this issue. ## **Problem** Possibility of extraction of centroids of polygons. ## **Ideas** For centroids there are few techniques available. Best one...

geodata4all

With this PR, do `mapshaper-gui --manifest manifest.js` and get a custom GUI using the existing `manifest.js` existing mechanism like below  Follow-up to previous question from #511 and answer Current...

ThomasG77

## What? When running actions (like `-snap precision=0.001`) it would be nice to get a highlight either on the map or as coordinates when using `-verbose`. ## Why? It would...

tobwen

Hi may i know, is that mapshaper support any feature on inserting image link to icon properties? Thanks

terrencesiow

merge-layers fails when polygons go over the antimeridian

1

probablyDecimalDegreeBounds rejects polygons that overlap the antimeridian I've attached the sample geojson files that are an admin1 region of Russia. My "fix" was to comment out the check - perhaps...

mannnick24

Bug? Multipolygon holes filled by style property fill

6

Hi there, thanks for creating this awesome software. Discovering it allowed me to develop a new hobby! maybe this is an error in use, but I can't seem to be...

robintschoetschel

Removing polygons instead of combining when simplifying.

1

Running the following (pretty high simplification)... mapshaper -i "Brick_maps_2020_region.shp" -simplify 15% weighted keep-shapes stats -clean -o "../../MapShaperOutput/Australia/simplified_au.json" format="geojson" geojson-type="FeatureCollection" Original unsimplified... Simplified (drops polygons - not biggest as documented) Is...

aldensc

Add support for the "Cupola" projection

16

I'm adding support for Weia Reinboud's "Cupola" projection (an equal-area world map projection) to mapshaper's projections library (https://github.com/mbloch/mapshaper-proj). To use this projection, run `proj cupola` in the web UI or...

mbloch

filter-islands: combining min-area and min-vertices doesn't respect min-vertices

1

Specifying only `min-vertices=4` works (removes the polygon with three vervices): ``` echo '{"type":"GeometryCollection", "geometries": [ {"type":"Polygon","coordinates":[[[102,2],[104,2],[104,4],[102,4],[102,2]]]}, {"type":"Polygon","coordinates":[[[100,2],[101.5,4],[98,4],[100,2]]]}, {"type":"Polygon","coordinates":[[[100,0],[101,0],[101,1],[100,1],[100,0]]]} ]}' | mapshaper -i - -filter-islands min-vertices=4 -o - [filter-islands] Removed 1...

ateucher