Function evaluateBaseColorProperty

evaluateBaseColorProperty(technique, env): number | undefined
Internal
Allows to easy parse/encode technique's base color property value as number coded color.
Parameters
- technique: Technique
  
  the technique where we search for base (transparency) color value
- env: Env
  
  @xyzmaps/harp-datasource-protocol#Env instance used to evaluate @xyzmaps/harp-datasource-protocol#Expr based properties of Technique
Returns number | undefined
number encoded color value (in custom #TTRRGGBB) format or undefined if base color property is not defined in the technique passed.

Remarks
Function takes care about property parsing, interpolation and encoding if neccessary.

See
ColorUtils
- Defined in @xyzmaps/harp-mapview/lib/DecodedTileHelpers.ts:613

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