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Thematic Maps

Convey attribute data on map; contour maps, stem maps, scatter maps


clabelmAdd contour labels to map contour display
clegendmAdd legend labels to map contour display
contourcbarColor bar for filled contour map display
contourcmapContour colormap and colorbar for current axes
contourmProject 2-D contour plot of map data
contour3mProject 3-D contour plot of map data
contourfmProject filled 2-D contour plot of map data
quivermProject 2-D quiver plot on map axes
quiver3mProject 3-D quiver plot on map axes
scattermProject point markers with variable color and area
stem3mProject stem plot on map axes
symbolmProject point markers with variable size
polcmap Create colormap appropriate to political regions


Thematic Maps

Thematic maps portray attributes of locations and features. For example, a thematic map could show the population density by region, or election results by state.

Create Choropleth Map of Population Density

This example shows how to create a choropleth map, in which the color of each state represents the population density of the state.

Colormaps for Political Maps

Political maps typically use contrasting colors that make it easy to distinguish one country, state, or province from its neighbors.

Contour Colormaps

This example shows how to create colormaps that make surfaces look like contour maps. You can specify the contour interval, add a colorbar, and restrict the displayed value range.