GPX (.gpx)

  • Import fully supports the GPX format Version 1.1.
  • Background

      GPX global positioning data.
      Standard format for exchanging GPS location data.
      Stores GIS data recorded with GPS devices.
      GPX is an acronym for GPS Exchange Format.
      XML format.
      Introduced in 2002.

    Import and Export

    • Import["file.gpx"] imports a GPX file and returns a combined rendering of all graphics layers.
    • Import["file.gpx"] returns a GeoGraphics object.
    • Import["file.gpx","elem"] imports the specified element from a GPX file.
    • Import["file.gpx",{{"elem1","elem2",}}] imports multiple elements.
    • See the reference pages for full general information on Import.
    • ImportString supports the GPX format.

    Elements

    • General Import elements:
    • "Elements"list of elements and options available in this file
      "Rules"full list of rules for each element and option
      "Options"list of rules for options, properties, and settings
    • Data representation elements:
    • "Data"graphics primitives for each layer
      "Graphics"all layers combined into a single GeoGraphics object
      "GraphicsList"list of graphics representing the layers of a GPX archive
    • Import by default uses the "Graphics" element for the GPX format.
    • Import["file.gpx","Data"] returns an expression of the form {layer1,layer2,layer3} . Individual layers are given as a list of rules representing the geometry as well as numerical and textual information associated with the features.
    • Meta-information elements:
    • "Comments"description of the file as a string
      "LayerNames"all layer names, given as a list of strings
      "Metadata"author and copyright information
      "Name"name given in the file
      "SpatialRange"range of geographic coordinates, typically given in decimal degrees
    • Geographic coordinates in GPX files always refer to the WGS84 datum.

    Options

    Examples

    open allclose all

    Basic Examples  (2)

    Import all layers from the file:

    In[1]:=
    Click for copyable input
    Out[1]=

    Show a list of all import elements available for this file:

    In[1]:=
    Click for copyable input
    Out[1]=

    List the layer names from the file:

    In[2]:=
    Click for copyable input
    Out[2]=

    Import metadata elements:

    In[3]:=
    Click for copyable input
    Out[3]=

    Applications  (2)

    See Also

    "SHP"  "SDTS"  "TIGER"

    Introduced in 2010
    (8.0)