I'd like to request a feature that allows me to specify a range of compass bearings to represent slope aspects on a topo map with shading.
For example, if I wanted to shade all aspects between 0 degrees and 90 degrees, all slopes between N-NE-E would be shaded.
It would be great if I could also specify shading at certain elevations.
Why? During planning for backcountry skiing, the avalanche forecast changes daily. Avalanche forecasting agencies use a representation of a mountain drawn as concentric circles; the dangerous slopes are represented by wedge shapes and are shaded to show you aspects to avoid at different elevations.
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