Exprodat Announces Award of ISO 9001:2008 Certification

Exprodat Consulting Ltd. has been approved by Lloyd’s Register Quality Assurance to the ISO 9001:2008 Quality Management System Standards for its GIS consulting, training and software development in the oil and gas industry. For any company to achieve this award, the staff need to be able to demonstrate an ability to consistently provide products and…

Calculating True Distance Over a Surface

How to calculate the true distance over a surface A point-to-point distance taken from a map does not provide a true measurement of the distance between those points; I have to take the intervening topography into account, as shown below. To calculate the 3D length of a line (in ArcMap, with the 3D Analyst extension)…