November 2016

Difference Between Lines and Tracks When Exporting from Avenza Maps

There are two methods of exporting GPS tracks from Avenza Maps in KML format: as a line and as a track. Which option to select depends on the intended purpose. Lines are much simpler than tracks and store only the position of each vertex in the line as latitude longitude and elevation. Tracks contain a complete description of how the path moves through space including the position at one-second intervals, the time at which each position was recorded, the compass angle of the heading, and the velocity. Lines take up much less storage space than tracks. To switch between exporting to Lines or Tracks, select Track Export in the Export Settings screen.

Export Settings screen
(Click for larger version)
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Exporting Photos From Avenza Maps For Use In ArcGIS

Avenza Maps Pro users can export layers to shapefile with associated photos. ArcGIS can display these photos using either hyperlinks or HTML popups. This post explains how to export your photos from Avenza Maps and display them in ArcGIS.

First, download and unzip these utilities. The general process for exporting and displaying photos is as follows:

  1. Export a shapefile with photos from Avenza Maps
  2. Unzip the exported files to your computer
  3. Open ArcGIS
  4. Add the shapefile to the map
  5. Save the map in the same folder as the shapefile
  6. Run the “Photo Shapefile Converter” tool
  7. Set the layer to display a hyperlinked photo and/or
  8. Set the layer to show an HTML popup


Isolating and Displaying Specific Grid and Graticule Lines

MAPublisher Grids and Graticules is a powerful tool. There are dozens of settings to create an indexed grid, measured grid, or graticule exactly the way you want. We often receive questions about how to create certain grid and graticule styles and this was interesting. We were asked how to create a graticule to display a very specific latitude and longitude, perhaps even by itself (only a single line of latitude or longitude).

Creating a single graticule line
(Click for larger version)
 
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