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CARTO empowers any organization and individual to discover and predict key insights through location data. With CARTO’s intuitive location intelligence platform anyone can build self-service location based apps that help optimize operational performance, strategic investments, and everyday decisions.

3 votes
4 answers
3k views

Converting Esri ASCII raster to Shapefile for CartoDB?

I have an ArcGIS grid ascii file (Ramankutty Cropland at 5 minute resolution) that begins as follows: ncols 4320 nrows 2160 xllcorner -180 yllcorner -90 cellsize 0 …
F Lengyel's user avatar
  • 123
5 votes

Converting Esri ASCII raster to Shapefile for CartoDB?

In answer to my own question, I've written a program to "vectorize" an ArcInfo Grid ASCII files as an ESRI shapefile with a single layer containing oriented polygonal grid squares centered at the poin …
F Lengyel's user avatar
  • 123
2 votes

Converting Esri ASCII raster to Shapefile for CartoDB?

The previous version of the program produces large files. The latest version takes an ArcInfo Grid ASCII file, identifies the polygonal boundaries of annular regions directly in raster space, and wri …
F Lengyel's user avatar
  • 123