Category Archives: DEM

Spot Image filling in Gaps in Alaska DEMs

Posted on February 26, 2009 by Glenn

Spot Image has a cool solution to fill in Gaps in Alaska DEM products… The company is boasting details of a recent completion of thirteen Reference3D geocells over the Chugach National Forest region of Alaska. These geocells are notable, as … Continue reading →

Posted in DEM |

Governor Schwarzenegger and team roll out CalAtlas Geospatial Clearinghouse

Posted on February 6, 2009 by Glenn

A new spatial clearinghouse at CalAtlas was rolled out today by “The Governator”… The innovative approach to technology, called Cal-Atlas Geospatial Clearinghouse will allow the general public to access maps, data and information that has not previously been accessible on … Continue reading →

Posted in California, DEM, DOQ, DRG, free data |

DEM 101 – What is a Digital Elevation Model?

Posted on December 15, 2008 by Glenn

An interesting class for those of you looking to learn more about Digital Elevation Models (DEM). Enjoy this archived webinar from Intermap, sit back in your office and enjoy! Details… As the fields of digital mapping and geospatial analysis continue … Continue reading →

Posted in DEM, education |

ICSM Guidelines for Digital Elevation Data

Posted on August 13, 2008 by Glenn

ICSM has released a new publication titled ‘ICSM Guidelines for Digital Elevation Data’. The aim is to provide guidelines and recommendations for acquiring elevation data depicting the earth’s surface based. It represent a first cut in the preparation of best … Continue reading →

Posted in DEM |

Florida Geographic Data Library – FTP downloads and more

Posted on November 2, 2006 by Glenn

Looking for Florida GIS data? No qworries… this awesome resource provides FTP access to pretty much any data layers you can thionk of.. including DRG, DEM, DOQs, and much more! County Data Layers. (including Shapefiles, Aerial Photos, DRGs, DOQQ 3-meters) … Continue reading →

Posted in DEM, DOQ, DRG, Florida |

Free data tip – USGS DEMs (SDTS) for the western states

Posted on November 2, 2006 by Glenn

A nice score here for those in need of USGS DEMs for the western states…. DIGITAL ELEVATION MODELS OF THE WESTERN STATES . Simply click through the map UI, select an area of interest, then download the DEMCALIFORNIA 7.5 minute … Continue reading →

Posted in California, DEM |

USGS Seamless data server

Posted on October 28, 2006 by Glenn

In a recent reminder from sommeone at the USGS, I have to admit that I have neglected to promote this fabulous data resource. Most users know about it (or should know about it), therefore, as a result it sometimes gets … Continue reading →

Posted in DEM, DOQ, DRG, usgs |

Rhode Island Geographic Information System (RIGIS

Posted on October 25, 2006 by Glenn

The RIGIS mission is to monitor, coordinate, and provide guidance for activities related to the use of geographic information system technology in Rhode Island, to support initiatives to implement or use this technology, and to manage and provide access to … Continue reading →

Posted in DEM |

Montana Geographic Information Clearinghouse

Posted on October 11, 2006 by Glenn

Gerry from the Montana State Library provided us with an update about this fabulous free data resource for the State of Montana. Downloadable datasets include soils data, DEMs, topos, aerial photography, cadastral data and more. Features of the site include … Continue reading →

Posted in DEM, DRG |

Minnesota Land Management Information Center

Posted on October 6, 2006 by Glenn

The LMIC has been responsible for developing a strategic plan for the Minnesota GIS – Minnesota’s Spatial Data Infrastructure. Recent success stories include the acquisition of 2003 orthoimagery for the entire State (cooperatively funded by the state and the National … Continue reading →

Posted in DEM, DOQ, DRG |

Stephen F. Austin State University’s FRI Lab (Texas)

Posted on September 28, 2006 by Glenn

What a score this resource is for Texas Data… here’s just a sampling of what you can access:Texas DRGs – 24k, 100k and 250k1m digital orthosSSURGO soils dataContoursSeamless DEMsTIGER dataand much more! This resource is a total score! Bookmark http://www.fri.sfasu.edu/pages/archives/gis_data/html/gis_data.html … Continue reading →

Posted in DEM, DOQ, DRG |

Stephen F. Austin State University’s FRI Lab (Texas)

Posted on September 28, 2006 by Glenn

What a score this resource is for Texas Data… here’s just a sampling of what you can access:Texas DRGs – 24k, 100k and 250k1m digital orthosSSURGO soils dataContoursSeamless DEMsTIGER dataand much more! This resource is a total score! Bookmark http://www.fri.sfasu.edu/pages/archives/gis_data/html/gis_data.html … Continue reading →

Posted in DEM, DOQ, DRG |