I am using published forest loss data (found here: http://glad.geog.umd.edu/indonesia/data2014/index.html) that uses the ArcInfo Sphere datum with a sinusoidal projection. I am seeking to transform a DEM (I've tried Aster and SRTM), or any raster in GCS_WGS_194, really, into this datum/projection. However, when I do so (using a geocentric transformation with parameters set to "0") the images don't align. I've completed the transformations in both Arc and in ERDAS, to no avail. Any help would be much appreciated!
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