Generate a single tile?

[dmfenton]

Is there a way to just generate a single tile? E.g. 13,2343,3132.

[e-n-f]

There is not currently a way to do this. Is the use case for clipping, for tileset updating, or something else?

[dmfenton]

I want to use AWS Lambda to generate a single vector tile on demand from any arbitrary stream of geojson features

so user requests: 0/0/0.pbf
lambda returns the file
cloudfront caches

voila: serverless vector tile server

it's not the most efficient way to do things, but the operations overhead is very low

[jdeboer-geoplan]

@dmfenton did you find a way to do what you wanted with lambda? That sounds cool.

[dmfenton]

I got a tile cooker working on lambda that can return a single tile, but it has to cook the whole set first. So yes and no I guess.

[mapsam]

@dmfenton if your plan is to generate a single tile, an alternative could be a combination of geojson-vt (for ingesting geojson) & vt-pbf (writing JS objects into pbfs).

Could be set up with a script like:

var geojsonvt = require('geojson-vt');
var vtpbf = require('vt-pbf');

var tileIndex = geojsonvt(YOUR_GEOJSON_OBJECT);
var tile = tileIndex.getTile(Z, X, Y);
var buffer = vtpbf.fromGeojsonVt({ 'YOUR-LAYER-NAME': tile });

return buffer;

[dmfenton]

The problem is that geojsonvt also cooks the whole pyramid

[e-n-f]

Actually this is less complicated to do directly in Tippecanoe than I thought. Does #521 do what you were looking for?

[dmfenton]

Yes! I think it does! I'll dust off my cooker and give this a try.

[e-n-f]

PR replaced by #529

[e-n-f]

Merged

[jalessio]

@dmfenton Did you ever get this working?