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Exporting the Shape File



Go to the Overlay Control Center and select your Elevation grid file/files for export.

Make the following selections in Global Mapper:


                  FIle Menu

                        'Export Elevation Grid Format ....'

                              'GeoTIFF'  file format

                                     'Tip Window' click OK


This brings you to the 'GeoTIFF Export Option' window.


                    In the 'GeoTIFF Options' window

                    Check Elevation (32 bit floating point samples)

                    Check  'Export at fixed Scale 1:' _______     <--- enter your scale

                    In 'TIFF Format Options'  enter a DPI value of 100   <---- 100 is standard, higher resolution optional

                    Check "Interpolate to fill small gaps in data"


At the top of the 'GeoTIFF Export Option' window select 'Export Bounds'. This brings up the 'Export Bounds' window.


                     In the 'Export Bounds' window

                     Hit the 'Draw Box' button, draw the bounding box.

                     Check "'Scaled Corner w/Size'

                     Enter the Width _____    and    Height _____     <---- in inches, use only whole numbers



 Your model elevation grid is ready for export. Click OK. The 'Save As' window displays.

                      Name the TIFF file and append the word SHAPE to the name to identify it as an elevation grid file.

                      Click OK to save the file.





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