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Land cover data change

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I am trying to use mcd12q1 land cover in wrf. I have implemented the data with the procedure explained in
I am able to run geogrid.exe also but I am unsure about the correctness regarding the change in projection from sinusoidal to lat-long as it does not look like a true lat-long projection . Here are the things I have tried:
1) tried using gdal with the command
gdalwarp 1.tif 1_WGS84.tif -t_srs "+proj=longlat +ellps=WGS84"
This command changes the length and width from default 2400, 2400 and I get different length, width of different tiles and so I cant use that.

2) tried converting with Qgis but I am unsure about the projection. I have attached the output lat-long projection. I am not getting any output for LANDUSEF from geo.em. files in Panoply or Qgis.
I am a beginner in GIS.What changes should I make? Please help.


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We do not have experience with Qgis or Panoply, so unfortunately I can't help with respect to those particular programs. Can you attach the following so that we can take a look, though?

one of your converted data files

and please let me know which version of WPS you are using. Thanks!