| Digital Data.
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| The following links allow you to download digital
mapping data including Digital Elevation Model (DEM) files, as well as
aerial photos, satellite images and topomaps. DEM are used files provide
terrain model overlays for you cave files. There are also links to
information on converting SDTS files to the standard DEM format used by
COMPASS. |
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Basic Information |
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Download DEMs |
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| Download Topographic Maps |
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Libre
Project.- Free 7.5 minute topographic images (DRGs)
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Images and Aerial Photographs |
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| Cave Surveying Tools |
Auriga - Auriga is a program that
allows cave data to be entered, edited and plotted on any Palm,
hand-held computer. Auriga data can be imported into Compass.
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| GIS |
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Cave Tools for ArcView
or
Cave Tools for ArcView - CaveTools is an
ArcView extension that provides useful tools for importing cave files. (Many
thanks to Bernie Szukalski for his support.)
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ArcExplorer. ArcExplorer is a free viewer
that is available from ESRI. It allows you to view Shapefiles and many other
data types including maps, images and aerial photograph.
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ArcView 60-day Trial. ArcView is the main
GIS product from ESRI. This 60-day trial version allows you to experiment
with cave data and GIS.
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File Converters. Here are some tools that can be used to convert cave
files between different formats. |
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Electronic Surveying Tools. We are starting to see useful electronic
survey gear. |
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COMPASS Related Pages. |
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Miscellaneous. |
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