GeoProjection

GeoProjection
is an option for GeoGraphics that specifies the cartographic projection to use for the map.

DetailsDetails

  • GeoProjection can use any projection or , where is any of the entities of GeoProjectionData and params are parameter rules like . GeoProjectionData["proj"] gives the default values of the parameters for the projection .
  • GeoGraphics[,GeoProjection->Automatic] chooses a projection automatically. It will be for small scales, for intermediate scales, and for large scales. It also chooses the and parameters automatically.
  • The projection is applied to the geo background of the GeoGraphics map, as well as to its geo primitives, like GeoPath or GeoDisk.
  • AbsoluteOptions can be used to give explicit projection information for a GeoProjection with Automatic setting.

ExamplesExamplesopen allclose all

Basic Examples  (4)Basic Examples  (4)

A world map is shown by default in the projection:

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

Use the projection with default parameters:

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

Use the projection with custom parameters and draw the standard parallels:

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

Maps of Canada in different projections, all with a 10-degree graticule:

In[1]:=
Click for copyable input
In[2]:=
Click for copyable input
Out[2]=
In[3]:=
Click for copyable input
Out[3]=
In[4]:=
Click for copyable input
Out[4]=
Introduced in 2014
(10.0)