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MapBox Workshop at Yale
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Nate Smith
April 12, 2013
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MapBox Workshop at Yale
Nate Smith
April 12, 2013
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Transcript
@ Yale @nas_smith Friday, April 26, 13
Custom tools for maps. Friday, April 26, 13
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Analysis Map Design Data Collection Friday, April 26, 13
Analysis Map Design Data Collection Friday, April 26, 13
Core frameworks: - Postgresql/PostGIS - SQLite - GDAL/OGR - Python
- QGIS - TileMill Friday, April 26, 13
Experimenting in how to make it easier to publish maps.
Friday, April 26, 13
Friday, April 26, 13
Supported formats: - ESRI Shapefile - GeoTiff - PostGIS -
SQLite - CSV - KML - GeoJSON Friday, April 26, 13
Style Add interactivity Process Export Publish Friday, April 26, 13
Quick tour... Friday, April 26, 13
Friday, April 26, 13
CartoCSS Friday, April 26, 13
Carto is code. Friday, April 26, 13
#borders { line-color: #fff; line-width: 3; } Friday, April 26,
13
Carto is like CSS. Friday, April 26, 13
Multiple styles for each layer. Friday, April 26, 13
#borders { line-color: #fff; line-width: 3; ::outline { line-color: #000;
line-width: 6; } } Friday, April 26, 13
Define variables. Friday, April 26, 13
//variables for features @water: #000; //variables for scale or zoom
@z1: 1.5; Friday, April 26, 13
Raster pixels can be colored. Friday, April 26, 13
#dem { raster-colorizer-stops: stop(0, #fff) stop(900, @l2) stop(1300, @l3) stop(1900,
@l4) stop(2500, @l5); Friday, April 26, 13
Buildings can be 3D. Friday, April 26, 13
#building { building-fill: black; building-height: [num]; } Friday, April 26,
13
Filters & conditions. Friday, April 26, 13
#world[population > 100] #world[population < 100] #world[population >= 100] #world[population
<= 100] Friday, April 26, 13
#world[population = 100] #world[population != 100] #world[name =~ "A.*"] Friday,
April 26, 13
Compositing Operations. Friday, April 26, 13
// Color blending #bathymetry { polygon-fill: rgb(16,12,4); polygon-comp-op: minus; }
// Alpha blending #overlay { comp-op: dst-in; } Friday, April 26, 13
Example 1. Shapefile + Dots & more Friday, April 26,
13
Example 2. PostGIS + Chloropleth/Dots/Text Friday, April 26, 13
Example 3. GeoTiff + Terrain Friday, April 26, 13
Friday, April 26, 13