pat

Gallery

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Click on the image title to see its PAT script.

Projection sampler

Projection sampler

Basic graticule for each projection; on interactive devices (X11, GRX etc) you can alter the projections with the mouse (rotate origin, coordinate system & standard parallels, etc) dynamically.

Goode Homolosine demonstration

Modified Stereographic projection of the 50 United States

Parameters from Snyder's "Working Manual".

Modified Stereographic projection set up for Alaska.  Parameters from Snyder's "Working Manual"

Modified Stereographic projection of Alaska

Parameters from Snyder's "Working Manual".

Earthquake activity near New Zealand, 1980s

Earthquake activity near New Zealand, 1980s

Preliminary Determination of Epicenters dataset.

Classroom-style map of the 50 United States

Classroom-style map of the 50 United States

Goode Homolosine demonstration

Goode Homolosine demonstration

Mollweide interrupted to best show the oceans

Mollweide interrupted to best show the oceans

Exaggerated rising ocean levels

Exaggerated rising sea levels

Hill shading demonstration

Hill shading demonstration

Scale distortion patterns

Scale distortion patterns

Choropleth demonstration (US counties)

Choropleth demonstration (US counties)