Exprodat Walking Team Raises Over £6,000 for Oxfam

Exprodat’s “Team GIS” walking team would like to thank all who generously supported them to help raise over £6,000 Oxfam in completing Oxfam’s Trailtrekker 2011. Most of the team completed the 65 km silver course in just under 14 hours. The one team member that did not last the distance completed 39 km over the hardest…

Making Movies with ArcGIS Explorer

In the plenary session of Esri’s PUG Conference 2011 they showed a video from Anadarko discussing GIS and introducing their ‘iMaps’ web-based GIS solution. In the video Anadarko explained that their philosophy was to provide ArcGIS Desktop for GIS-savvy users, and the web-based GIS ‘iMaps’ for basic use across the enterprise. Choosing the right tools…

Using the ArcGIS Correlation Coefficient

Investigating the Correlation Between Formation Pressure and Depth using ArcGIS Determining whether or not two or more continuous variables are correlated in space or time and quantifying the nature and the strength of this correlation is a type of data analysis which is common in many fields including physical geography, environmental studies and earth sciences.  In…

Tip 17: Reselecting Highlighted Features

In ArcGIS Desktop selecting features is often an essential step before copying, modifying attributes, changing geometry, or merging features.  But when using layers with multiple overlapping polygons it’s often not easy to select the polygon you want. Let’s assume that I have a layer with many overlapping polygons and I want to select a particular…