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@kartotherian/geojson-mapnikify
Advanced tools
transform geojson with simplestyle-spec into mapnik xml
Transform GeoJSON objects into Mapnik XML stylesheets with embedded GeoJSON data and simplestyle-spec-derived styles.
As a dependency:
npm install --save @kartotherian/geojson-mapnikify
As a binary:
npm install -g @kartotherian/geojson-mapnikify
Assumptions:
If you install -g, you can use geojson-mapnikify as a binary that takes
a single GeoJSON file as an argument and writes a Mapnik XML stylesheet
to stdout.
$ geojson-mapnikify test/data/point-retina.geojson > stylesheet.xml
$ geojson-mapnikify test/data/point-retina.geojson retina > stylesheet-retina.xml
mapnikify(geojson, retina, callback)Transform GeoJSON into Mapnik XML.
geojson is a GeoJSON object.retina is true or false for whether the style should be optimized for 2x rendering.callback called with (err, xml) where xml is a stringIf your GeoJSON object has one or more features with a marker-url property, mapnikify() will write the images found at the url into a file in a temporary directory and use that path in the Mapnik XML. This uses the request library to handle the http file fetching.
By default the request will attempt to fetch binary data from the specified url. If the url is http and not https , Mapnikify will use agentkeepalive to speed up requesting multiple images. There is also a default timeout of 5 seconds.
You can customize the defaults passed to request() . Simply set a custom wrapper defined with request.defaults . See request's documentation on defaults for more information. For a quick example, this will set a longer timeout:
var mapnikify = require('mapnikify');
var myRequest = require('request').defaults({
timeout: 10000,
followRedirect: false
});
mapnikify.setRequestClient(myRequest);
mapnikify(geojson, retina, callback);
mapnikify.setRequestClient(null); // return to mapnikify defaults
2.1.1
FAQs
transform geojson with simplestyle-spec into mapnik xml
The npm package @kartotherian/geojson-mapnikify receives a total of 3 weekly downloads. As such, @kartotherian/geojson-mapnikify popularity was classified as not popular.
We found that @kartotherian/geojson-mapnikify demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 8 open source maintainers collaborating on the project.
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