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Thematic Maps

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

Functions

`clabelm`	Add contour labels to map contour display
`clegendm`	Add legend labels to map contour display
`contourcbar`	Color bar for filled contour map display
`contourcmap`	Contour colormap and colorbar for current axes
`contourm`	Project 2-D contour plot of map data
`contour3m`	Project 3-D contour plot of map data
`contourfm`	Project filled 2-D contour plot of map data

`quiverm`	Project 2-D quiver plot on map axes
`quiver3m`	Project 3-D quiver plot on map axes
`scatterm`	Project point markers with variable color and area
`stem3m`	Project stem plot on map axes
`symbolm`	Project point markers with variable size
`polcmap`	Create colormap appropriate to political regions

Topics

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.