Elijah Robison | GIS Blog

A scrapbook of GIS tricks, with emphasis on FOSS4G.

Topics

Blogroll

• Andy Woodruff
• Boston GIS
• davidrenz
• Departing the Script
• Gregor the Map Guy
• Kelso's Corner
• Linfinity Geo Blog
• Mapbox Blog
• Nicklas Avéns blog
• PerryGeo
• Smathermather's Weblog
• Steven Can Plan
• Stevey's Blog Rants
• Whitebox GAT Blog

Good Stuff

• Fiddler
• FlashDevelop
• GDAL/OGR
• GDAL/OGR Python API Docs
• GDAL/OGR Python Cookbook
• OpenScales (Flex Mapping API)
• Python
• Quantum GIS (QGIS)

Cartometric RSS

• Terminal one-liner to create shapefile from WKT using ogr2ogr July 16, 2020
• CentOS 7 and PostGRESql: Move the PostGRESql data_directory May 21, 2019
• Socket-served Internet mapping, anyone? March 17, 2015
• Q: What’s The best way to convert CDs to MP3s in Windows? A: VLC and the Command Line. Here I’ll show ya.. March 7, 2015
• Gabriel Weinberg’s PostgreSQL Tips and Tricks January 22, 2015
• ArcPy CalculateField_management Complex Python Expression to Return a String November 25, 2014
• Create UTFGrid Tiles from PostGIS Tables September 26, 2014
• OGR VRT: Connect to PostGIS DataSource September 24, 2014
• MySQL Implementation of Google’s Encoded Polyline Algorithm September 22, 2014
• Convert Google Maps Polygon (API V3) to Well Known Text (WKT) Geometry Expression June 6, 2014
• PostGREsql/PostGIS Implementation of Google’s Encoded Polyline Algorithm January 27, 2014
• PostGIS: query all multipolygon parcels with at least one hole November 8, 2013
• Install httplib2 to your Preferred Python Runtime after ArcGIS Unceremoniously Hijacks the First Attempt August 5, 2013
• osm2pgsql help and usage December 28, 2012
• Resident “lunatic” of LinkedIn December 21, 2012
• mapnik rundemo.exe error: run from within the demo/c++ folder? December 18, 2012
• osm2pgsql and windows errors: failed to start MSVCR90.dll, Connection to database failed, etc.. December 18, 2012
• Decode Google Map encoded points as Well Known Text (WKT) with Python October 20, 2012
• PostGIS: count all features of each GeometryType in a spatial table January 22, 2012
• Prepare a Shapefile for OpenScales using ogr2ogr and PostGREsql November 19, 2011