GIS

Magical PostGIS in three brief movements

Magical PostGIS in three brief movements

Everyone knows you can query a bounding box or even spatially join tables in PostGIS, but what about more advanced magic? This short symphony of PostGIS examples will look at using advanced features of PostGIS and PostgreSQL to accomplish surprising results: Using full text search to build a spatially interactive web form. Using raster functionality to look into the future. ...

Read More »

Adding Location and Geospatial Analytics to Big Data Analytics

Adding Location and Geospatial Analytics to Big Data Analytics

When people analyze a problem, they often include location at the core of the analysis. Location and spatial context, combined with geographical knowledge, can make the biggest difference in understanding a problem and analyzing it in a more meaningful way. In this session, we show how Amazon EMR can be used with location and geospatial analytics, and how the Amazon ...

Read More »

QGIS 2.8 tutorial : Fill lake with GRASS plugin

QGIS 2.8 tutorial : Fill lake with GRASS plugin

The QGIS 2.8 tutorial video shows a way to calculate flooded territory according to the water level. For this purpose  the r.lake GRASS function is used. the water level  is incremented step by step with 2 meters. Thus we can see the connection between Lake Balaton and Lake Kis (small) Balaton.

Read More »

Creating Python Toolboxes Using ArcGIS 10.1

Creating Python Toolboxes Using ArcGIS 10.1

Geoprocessing toolboxes and tools can be created entirely with Python at ArcGIS 10.1. In this video, you will learn how authoring toolboxes in Python makes it easier to create and maintain geoprocessing tools, and how Python offers additional functionality not available to script tools or models.

Read More »