**GOAL**: Take a raster and reproject it from one co-ordinate set to another and also change the pixel size while I am at it by using GDAL. 

**WHY**: I am trying to use gdal to speed up multiple rasters having to be reprojected which is taking a long time in ArcPy. 

**Current progress**: I can get this to happen nicely by using ArcPy and the following segment of code: 

```
arcpy.ProjectRaster_management(in.tif, out.tif, "PROJCS['WGS_1984_UTM_zone_48N',GEOGCS['GCS_WGS_1984',DATUM['D_WGS_1984',SPHEROID['WGS_1984',6378137.0,298.257223563]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]],PROJECTION['Transverse_Mercator'],PARAMETER['false_easting',500000.0],PARAMETER['false_northing',0.0],PARAMETER['central_meridian',105.0],PARAMETER['scale_factor',0.9996],PARAMETER['latitude_of_origin',0.0],UNIT['Meter',1.0]]", "NEAREST", "100", "", "", "GEOGCS['GCS_WGS_1984',DATUM['D_WGS_1984',SPHEROID['WGS_1984',6378137.0,298.257223563]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]]")

```

**The GDAL code**: I am using the segment of code below to hopefully try to obtain the same result. 

```
call(['C:\Program Files (x86)\GDAL\gdalwarp.exe',"-s_srs", "EPSG:4326","-t_srs","EPSG:32648","-tr","100","100","-r","near","-srcnodata","0.0","-dstnodata","0.0","-of","GTiFF",in.tif, out.tif])

```

Actual result from gdal: A dataset that is reprojected to the correct co-ord system and pixel resized to the desired size.

**The problem**: The raster dataset when opened and worked with keeps showing that the min and max values it contains is the nodata value of +-3.40282e+038 

**The key point**: Does anyone have any idea why this is not working correctly in gdal? 

---

While trying different different options I found that by running 

```
call(['C:\Program Files (x86)\GDAL\gdalwarp.exe',"-s_srs", "EPSG:4326","-t_srs","EPSG:32648",,"-srcnodata","0.0","-dstnodata","0.0","-of","GTiFF",in.tif, out.tif])

```

I found that the resulting cell size from the projection is ~1000x1000 so I don't know why it won't let me scale to a smaller cell size? 

**Extra checks**: 

1. I have checked [the spatial reference website](http://spatialreference.org/) to ensure that the EPSG co-ord I am using as the correct ones.
2. And as far as I can tell from the [gdalwarp info page](http://www.gdal.org/gdalwarp.html) the code should work nice.