Ramp_rgb

rescale-functions ramp_rgb

syntax

  • ramp_rgb(startvalue, endvalue, domainunit)

definition

ramp_rgb(startvalue, endvalue, domainunit) ramps rgb values, starting with the startvalue argument and ending with the endvalue argument.

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

applies to

  • parameters startvalue and endvalue 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_rgb(rgb(0,255,0), rgb(0,0,255), City);
BrushColor
rgb( 0, 255, 0)
rgb( 0, 212, 42)
rgb( 0, 170, 85)
rgb( 0, 127, 127)
rgb( 0, 85, 170)
rgb( 0, 42, 212)
rgb( 0, 0, 255)

domain City, nr of rows = 7

see also