Adding external properties to TopoJSON file

Asked Jul 03 '13 at 14:09

Active Jul 07 '13 at 13:50

Viewed 604 times

I have TopoJSON file and want to add some external fields in it by id (and preserve old) without any other changes (like simplification or quantization) . So I used command like in the example in TopoJSON wiki. The command was like:

topojson -o world-110m_ext.json -e world-country-names.tsv --id-property +id -p nameENG=name world-110m.json.

But I got file smaller than the source and without any id properties. I tried to preserve id's like so:

topojson -o world-110m_ext.json -p -e world-country-names.tsv --id-property +id -p nameENG=name world-110m.json.

It did not work for me and many other ways too. What am I doing wrong?

For input I am using Mike's files from this gist.

edited Jul 07 '13 at 13:50

asked Jul 03 '13 at 14:09

KoGor

Please show us sample of the relevant content of your input files. – Hugolpz Jul 07 '13 at 12:43
I am using Mike's files from [this gist](https://gist.github.com/mbostock/4090846) – KoGor Jul 07 '13 at 12:48
See [How to add properties to topojson file?](http://stackoverflow.com/questions/18444261/) – Hugolpz Nov 01 '13 at 16:49
I would create GeoJSONs in QGIS, use properties on them and finally convert all to TopoJSON, works great =) – kwoxer Jul 16 '15 at 06:36

Adding external properties to TopoJSON file

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