Changes between Version 15 and Version 16 of Grass7/TemporalGISAlgebra

Timestamp:

07/05/13 08:53:55 (12 years ago)

Author:

huhabla

Comment:

--

Grass7/TemporalGISAlgebra

@@ -198 +198 @@
 C = if(equal, Temp > 10.0, Prec / 3600.0 / 24.0 {equal,=/} td(Prec))
 }}}  
+Compute the mean value of all maps from STRDS A that are located during time intervals of STRDS B if more than one map of A is contained in an interval of B, use A otherwise, the resulting time intervals are computed as temporal union and stored in C:
+{{{
+C = if(B {contain,#} A > 1, (B {contain, =+} A - B) / (B {contain,#} A), A)
+}}}
+Same expression with explicit definition of the temporal topology relation and temporal operators:
+{{{
+C = if(equal, B {contain,#} A > 1, (B {contain, =+} A {equal, =-} B) {equal,=/} (B {contain,#} A), A)
+}}}
 
 All supported operators and functions are documented below.