[GRASS-user] Need help in reprojecting raster images

[Uttam Sinha]

Hi,

I tried the way you told. I created a new location in laea without setting
the default boundary. Then from this mapset I used

r.proj location*=input_location* mapset=*input_mapset* input=*input_raster
name* output=

*output_raster*
I get an error:


ERROR: Input raster map is outside current region

Any suggestions.

Uttam.


On Tue, Sep 22, 2015 at 11:59 PM, sajid pareeth <spareeth at gmail.com> wrote:

> Hi Uttam
>
> If I understand you correctly you want to reproject a landsat image from
> sinusoidal to laea projection!!
> You dont have to manually set the bounding box while reprojecting a
> raster, as GRASS will take care of it.
>
> First you create a new location and mapset with desired output projection
> , which in this case is Lamberts Azimuthal Equal Area.
> Then get into this mapset, use the following r.proj command.
> r.proj location*=input_location* mapset=*input_mapset* input=*input_raster
> name* output=
> *output_raster*
>
> More details here: https://grass.osgeo.org/grass70/manuals/r.proj.html
>
> If you then need to set your working area to a particular bounding box,
> use g.region
>
> g.region raster=*output_raster*
>
> regards
>
> Sajid
>
> On Tue, Sep 22, 2015 at 11:07 PM, Uttam Sinha <uttamsinha09 at gmail.com>
> wrote:
>
>>
>>
>> Hi All,
>>
>> I have a set of Landsat images in Sinusoidal Projection, WGS84 Datum. I
>> know the north, south, east and west extent of the boundary of the image.
>>
>> I want to reproject the image to Lamberts Azimuthal Equal Area, WGS84
>> Datum. I do not know what will be the coordinates of the north, south, east
>> and west bounds in this projection.
>>
>> 1.) How do I convert upper left coordinates and bottom right coordinates
>> of Sinusoidal Projection to  Lamberts Azimuthal Equal Area to create a new
>> destination Location?
>>
>> 2.) How do I reproject the images from Sinusoidal to Lamberts without
>> georeferencing the image at source location (in sinusoidal projection)
>>
>> Appreciate any reply.
>>
>> Uttam.
>>
>> _______________________________________________
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>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>
>
>
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