[gdal-dev] Issue in Golden Software Surfer 7 format

[Joaquim Luis]

Reed Copsey, Jr. wrote:
> Last year, a changeset was submitted which fixed the golden software 6 
> file formats (10814), but unfortunately it wasn't applied to the 
> surfer 7 file format which has the exact same issue.

>     /* calculate pixel size first */
>     padfGeoTransform[1] = (poGRB->dfMaxX - poGRB->dfMinX)/(nRasterXSize - 1);
>     padfGeoTransform[5] = (poGRB->dfMinY - poGRB->dfMaxY)/(nRasterYSize - 1);
>
>     /* then calculate image origin */
>     padfGeoTransform[0] = poGRB->dfMinX - padfGeoTransform[1] / 2;
>     padfGeoTransform[3] = poGRB->dfMaxY - padfGeoTransform[5] / 2;
>   

Reed,

I think that padfGeoTransform[3] should be

padfGeoTransform[3] = poGRB->dfMaxY + padfGeoTransform[5] / 2;


Joaquim Luis