mapshaper

mapshaper copied to clipboard

I have this command: `mapshaper $dir_path/plu/$INSEE.json -clip $FILE -each "insee='$INSEE',parcelle='$NAME', area=Math.round(this.area)" -drop geometry -filter-fields insee,area,parcelle,partition,libelle,libelong -o $dir_path/convertpluparcelle/$FILENEW format=csv` How to access the this.properties of the $FILE? With -each I can...

2803media

filter-islands removing single ring polygons

2

the doc states: "Remove small detached polygon rings (islands)". i am still confused with how it works: i am expecting it to apply filter on multipolygons only and remove external...

ericemc3

Unable to convert kilometers to unknown coordinates issue

2

First, congratulations and warm thanks for this excellent program! We are using it successfully to remove slivers from large geojson files generated from OSM using the ogr2org command. This is...

mavrakis

Preventing incorrect topology on simplification

4

Hi -- I've recently run into an issue that I've tried to illustrate here. It's not exactly a bug, and instead simplification producing "incorrect" topology for nested polygons, and I...

vedinerd

Add support for cleaning linestrings

1

Clean works great on polygons, I'd also like it to work on linestrings. QGIS tells me my lines have problems, but doesn't offer solutions ;) For example files, see https://github.com/nvkelso/natural-earth-vector/issues/231.

nvkelso

asinghvi17

point-text option in -style to provide text tag symbol as point

1

This is old code from January. I'm not sure if I should just start over with the latest commits, or we can just attempt to merge. At least, we can...

cedricsam

svg output point-symbol=line and -style rotate=

1

* added support for drawing a line as a `point-symbol=` on svg output * added support to rotate a point symbol using data * could clash with desired software design,...

cedricsam

-filter-fields with not existing field

1

I have a file with a structure different between features. For example I have in one feature data1, data2, data3 and on an another one data1,data2,data4 How can I use...

2803media

turn line into an area (extrude buffer along it)

3

From what I see there is no way to do it in the Mapshaper. My current plan is to script that in a QGIS ( https://gis.stackexchange.com/questions/41267/buffering-in-pyqgis ), though https://gis.stackexchange.com/questions/254198/buffering-geojson-file-using-python?rq=1 has...

matkoniecz