By converting a SpatialGridDataFrame into a asc object with

 

asc.obj <- as.asc(as.matrix(x),xll = 0.5, yll = 0.5)

 

the object created have inverted rows. It apparently starts reading from
bellow, inverting row reading but keeping columns unchanged.

 

The result is a flipped image.

 

Can this be corrected and how?

____________

Paulo E. Cardoso

 


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