The sinusoidal projection support has been added quite recently in the
development series only, it will be available
in the 2.8.0 series to be released September 2015.
If you want to try it now, you can ither download a nightly build here:
http://ares.boundlessgeo.com/geoserver/master/
or try out
Hello,
I am having an issue with visualizing a raster dataset using the dataset
projection tool. I have added the modis projection definition to my
epsg.properties file
http://spatialreference.org/ref/sr-org/6974/html/
68420=PROJCS["MODIS Sinusoidal", GEOGCS["WGS 84", DATUM["WGS_1984",
SPHEROID["