What is a projection?
Can I really wreck a data set with a transformation?
What is RMSE?
What is a confidence interval?
What makes a geoid?
Why do parcel data not fit into my GIS databse?
What is a bearing?
Click below for a complete course description:
The 15 sessions of this course deal with all that, and more. This material is not causal, but based on graduate university studies and many years worth of consulting. Join the 300+ students who have taken this course to increase their effectiveness and confidence.
It is strongly suggested that you take the sessions in numeric order.
Note that each session has a trailer feature that allows you to watch once the first 2 minutes or so for free. This includes an outline of the session contents.
Session 1 - Trigonometry Refresher
Session 2 - Coordinate Systems and Transformations
Session 3 - Least Squares Concepts
Session 4 - Geoids
Session 5 - Ellipsoids
Session 6 - GPS
Session 7 - Precision and Accuracy
Session 8 - Projections
Session 9 - Projections Math
Session 10 - Horizontal Datums
Session 11 - Vertical Datums
Session 12 - PLSS and GIS
Session 13 - LiDAR
Session 14 - Photogrammetry 1
Session 15 - Photogrammetry 2