possible error in GeoTiff reader regarding location of origin

[fpirotti]

line 161 in file -

C2F-W/Cell2Fire/ReadCSV.cpp

Line 161 in 75f6010

double yllcorner{ positions[4] };

NB In GeoTIFFs the origin is expressed as the upper-left corner, not the lower-left corner. so should be changed to

double yllcorner{ positions[4] };
yllcorner -= (cellSizeY*nYSize);

as is now the geotiff results like below (the red striped area is the original fuel model raster, the top is ROS