Hot answers tagged maps
3D is not (yet) implemented in QGIS, but you can store the height in an attribute table field and create a 3D output manually with ogr2ogr -z_field fieldname outside QGIS. See Is it possible to create 3D dxf with OGR? for an example. This is rather 2.5D, because all vertices of a line must have the same elevation (as contours have). In QGIS, you could use ...
One presumes you are already familiar with Section508.gov but those who may find this later may not be. For general accessibility resources see The Accessibility Project although that is primarily focused on web accessibility. For more cartographic specific accessibility tests consider the Colour Contrast Analyser and Vischeck.
Only top voted, non community-wiki answers of a minimum length are eligible