Ramp_open_rgb

rescale-functions ramp_open_rgb

syntax

  • ramp_open_rgb(startvalue, uptovalue, domainunit)

definition

ramp_open_rgb(startvalue, uptovalue, domainunit) ramps rgb values, starting with the startvalue argument up to the uptovalue argument.

The uptovalue argument itself is not part of the resulting attribute.

The number of values is defined by the cardinality of the domain-unit argument.

applies to

  • parameters startvalue and uptovalue with value-type uint32 (often configured with the rgb function)
  • unit domainunit with value type from group CanBeDomainUnit

since version

7.031

example

attribute<uint32> BrushColor (City) := ramp_open_rgb(rgb(255,255,0), rgb(0,255,0), City);
BrushColor
rgb(255, 255, 0)
rgb(218, 255, 0)
rgb(182, 255, 0)
rgb(145, 255, 0)
rgb(109, 255, 0)
rgb( 72, 255, 0)
rgb( 36, 255, 0)

domain City, nr of rows = 7

see also