Mathematical Operations
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Chapter 18. Writing Portable Queries
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Mathematical Operations
The arithmetic of temporal numbers at each instant, and of rasters pixel by pixel.
Operator
Portable function
+
tAdd / rasterAdd (a, b)
-
tSub / rasterSub (a, b)
*
tMul / rasterMul (a, b)
/
tDiv / rasterDiv (a, b)