The U.S.
Videos
Videos
Getting Started With GeMS, Part A - An introduction to the GeMS schema, the GeMS Tools ArcGIS toolbox, and how to prepare ArcMap for digitizing.
Getting Started With GeMS, Part A - An introduction to the GeMS schema, the GeMS Tools ArcGIS toolbox, and how to prepare ArcMap for digitizing.
Digitize an Analog Map With GeMS, Part B1 - How to create an empty GeMS geodatabase in ArcMap, digitize contacts from a scanned geologic map, and create map unit polygons.
Digitize an Analog Map With GeMS, Part B1 - How to create an empty GeMS geodatabase in ArcMap, digitize contacts from a scanned geologic map, and create map unit polygons.
Digitize an Analog Map With GeMS, Part B2 - Digitize orientation points and check topology.
Digitize an Analog Map With GeMS, Part B2 - Digitize orientation points and check topology.
Digitize an Analog Map With GeMS, Part B3 - How to complete nonspatial tables, validate a GeMS database, and symbolize features.
Digitize an Analog Map With GeMS, Part B3 - How to complete nonspatial tables, validate a GeMS database, and symbolize features.
Translate a Digital Map With GeMS, Part C1 - How to load map unit polygons, lines, and cross section data from another schema to GeMS.
Translate a Digital Map With GeMS, Part C1 - How to load map unit polygons, lines, and cross section data from another schema to GeMS.
Translate a Digital Map With GeMS, Part C2 - How to translate point features and non-spatial information from another schema to GeMS
Translate a Digital Map With GeMS, Part C2 - How to translate point features and non-spatial information from another schema to GeMS
A tutorial by USGS scientist and topoView developer Chris Garrity demonstrating how to use topoView version 2.1. TopoView let's you access and download maps free of charge from the USGS's Historical Topographic Map Collection, published between 1884 and 2006.
Resources:
An Introduction to TopoView (version 1.0)
A tutorial by USGS scientist and topoView developer Chris Garrity demonstrating how to use topoView version 2.1. TopoView let's you access and download maps free of charge from the USGS's Historical Topographic Map Collection, published between 1884 and 2006.
Resources:
An Introduction to TopoView (version 1.0)