Loading...
Home > Instructions for making the Aerial with TOPO overlay Map

Instructions for making the Aerial with TOPO overlay Map

Open Aerial Photography
  • Double click on your YourCountyName.sid file to open the TatukGIS viewer

  • Add the USGS Topo Map

  • Right click inside legend on right side of screen - select ADD
  • Navigate to c:\TopoMap and select YourCountyName_DRG24K.sid (this may be in c:\AirPhoto is you bought Aerial & Topo together)

  • Set the USGS Topo Map to transparent

  • Double click on YourCountyName_DRG24K.sid in the legend to bring up the properties box
  • In the properties box, select Layers, then type 25 for the Transparency value - Select OK

  • Set The map Units

  • On the top bar menu, Select Map >> Map Units >> set to Meter

  • Zoom to your area of interest.

  • The TOPO map is readable between 1:8000 and 1:30,000.

  • Here is what it should look like.

  • I have right clicked in the legend to show the ADD button. Note that the DRG24K file is on top of the aerial file.
  • DRG ortho aerial map