Jason,
gdalwarp uses a sampling technique to figure out the region of the
source image needed to produce each tile of the output image and this
works poorly for transformation "interruptions" like datelines.
Some warp options which have an effect are documented at:
http://www.gdal.org/structG
I have an RGBA GeoTIFF in EPSG:4326 with an extent that wraps the 180
decimal degree international dateline (western extent: 74.2 dd, eastern
extent: 433.8 dd).
When I attempt to project this image to either EPSG:102113 (as defined in
$GDAL_DATA/esri_extra.wkt) or a very similar custom mercator pr
