Public Lab Research note


Using Knitter to create online maps from your Photoshop map stitches

by warren | April 17, 2011 18:40 | 3,469 views | 0 comments | #175 | 3,469 views | 0 comments | #175 17 Apr 18:40

For those who are comfortable doing their map stitching in Photoshop, but for whom the GDAL tools for creating an online version of that map (a tileset) are a bit overwhelming, it does work to just take your Photoshop map and upload it to Knitter: http://cartagen.org/maps

Here's an example:

http://cartagen.org/maps/lima-morflex-nrg

then i pressed Export in the upper right corner, and it generated a GeoTiff (a geo-tagged Tiff), a TMS tile service, and an OpenLayers viewer:

http://cartagen.org/tms/lima-morflex-nrg/openlayers.html

This makes sense because Knitter is built on GDAL -- however, it can be a much easier interface for creating all the export formats.

It's also just a great way to share your maps online -- sometimes if you send a link around to a gigantic TIFF file you made in Photoshop, it crashes peoples' browsers when they try to open it... yikes.

Exporting maps in Knitter


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