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  The American Surveyor     

Use Your iPad to Generate Contour Maps Print E-mail
Written by CMT   
Saturday, 07 June 2014

June 6, 2014, Oregon, USA - CMTINC.COM adds a new dimension to their iOS-based GPS/GIS application software by announcing the release of the Contour - Volume - Stakeout app for iPad and iPhone. Now that higher accuracy GPS receivers are available for use with iOS devices, it makes sense to develop GPS/GIS apps that utilize elevation values.

In fact, the Contour - Volume - Stakeout app will generate contour lines and a coloured contour map based on elevations or on the values of any numeric variable of interest (such as the amount of fertilizer to apply). It can compute volumes (such as the amount of soil to move) based on the contour information. It also provides stakeout functions to let the GPS guide the user toward a point or along a line or area boundary.

The data to be contoured could be digitized and entered via the app itself, or it could be imported via Shapefiles or a text file. To aid data collection, this app provides a function to generate sampling grid points over an area. The contour map can be printed to PDF, the contour data can be exported to a text file, the Feature data can be exported to DXF and Shapefiles, and the contour data can be exported to a .CSV text file.

This versatile app can be put to good use in a wide range of diverse fields of application. It is now available at the iTunes App Store. 

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