[GRASS-user] importing raster from a linear projection into current location

[Seb]

On Fri, 1 Mar 2013 23:16:54 +0100,
Markus Metz <markus.metz.giswork at gmail.com> wrote:

> On Fri, Mar 1, 2013 at 11:06 PM, Sebastian P. Luque <spluque at gmail.com> wrote:
>> On Fri, 1 Mar 2013 22:42:56 +0100,
>> Markus Neteler <neteler at osgeo.org> wrote:

>>> On Fri, Mar 1, 2013 at 9:53 PM, Seb <spluque at gmail.com> wrote:
>>>> Hi,

>>>> I am trying to import a series of rasters (HDF) in a linear
>>>> projection, i.e. without any projection information, where x and y
>>>> are simple indexes; gdalinfo shows:

>>> Could you say a bit more about the HDF files? The xy output is
>>> probably right but GCPs may be in the file itself (so gdalwarp is
>>> needed or the like).

>> This file was produced with WIM/WAM (wimsoft.com), and the full
>> output of gdalinfo is:

>> $ gdalinfo chl_48_200.hdf Driver: HDF4Image/HDF4 Dataset Files:
>> chl_48_200.hdf Size is 1572, 1114 Coordinate System is `' Metadata:
>> Base=10 Intercept=-2 Map Projection=WIM Linear Scaling=Logarithmic
>> Slope=0.015 WIM Color Range=0, 255 WIM Color Stretch=48, 200 WIM
>> Linear Coeffs=45, 0.012723, -40, -0.008977 Corner Coordinates: Upper
>> Left ( 0.0, 0.0) Lower Left ( 0.0, 1114.0) Upper Right ( 1572.0, 0.0)
>> Lower Right ( 1572.0, 1114.0) Center ( 786.0, 557.0) Band 1
>> Block=1572x636 Type=Byte, ColorInterp=Gray

>> The relevant information is in the "WIM Linear Coeffs" line, where
>> 45, -40 are the coordinates of the upper right corner of the map, and
>> 0.012723, -0.008977 are the lon, lat resolution.

> It seems that you need to override the projection check with r.in.gdal
> -o. After that, you need to fix the raster metadata with r.region.

If I do that I get:

r.in.gdal -o input=chl_48_200.hdf output=chl_48_200
Over-riding projection check
G_set_window(): Illegal latitude for North


-- 
Seb