地球磁力场
显示横跨整个地球的磁场强度.
In[1]:=
plot = ListContourPlot[
GeomagneticModelData[{{-90, -180.}, {90, 180.}}, "Magnitude",
GeoZoomLevel -> -2], Frame -> False, PlotRangePadding -> 0,
ColorFunction -> "TemperatureMap"];In[2]:=
GeoGraphics[{GeoStyling[{"GeoImage", plot}], Opacity[0.4],
Polygon[GeoPosition[{{-90, -180}, {90, -180}, {90, 180}, {-90,
180}}]]}]Out[2]=
