Design a colormap for displaying temperature on a map, such that relative changes in temperature are well-represented.
Design a colormap for displaying temperature on a map, such that relative changes in temperature are well-represented, and the problem of spatial adaptation is mitigated.
Design a colormap for displaying temperature on a map, such that relative changes in temperature are well represented, and regions at risk for frost are also well-represented.
Design a colormap for representing restaurant ratings when restaurants are plotted as dots on a map.
Design a colormap for displaying reasons for street arrests, when arrests are plotted as dots on a map.
Write each of the colormaps above as Javascript (pseudo-)code.