Re: [gdal-dev] GDAL Cubic Interpolation

2017-10-11 Thread Harvey Berger
65,508 m). Octave has a typecast function that changes a data type without changing the data. Does GDAL have an equivalent function or does some field need to be changed in the augmented tiff image file? Kind regards, Harvey On Wed, Oct 11, 2017 at 10:06 AM, Harvey Berger wrote: > Tha

Re: [gdal-dev] GDAL Cubic Interpolation

2017-10-11 Thread Harvey Berger
Thanks Joaquim and Even, Per my email I augmented the original GLOBE image and created a properly referenced image using gdal_translate as follows: I did an imread from QGIS/GDAL into Octave, added the appropriate 24 rows and columns on each side, and did an imwrite back to QGIS/GDAL to continue p

[gdal-dev] GDAL Cubic Interpolation

2017-10-09 Thread Harvey Berger
Hi, I subsampled a GLOBE image of elevation data by a subsampling factor of 12 to a resolution of 0.1 deg x 0.1 deg on integer multiples of 0.1 deg. The original GLOBE image is: Latitude from +90-1/240 deg to -90+1/240 deg in 1/120 deg steps, and Longitude from -180+1/240 deg to +180-1/240 deg in