| Re: Exporting rasters from ArcMap 9.1 to ENVI 4.0 [message #56190] |
Tue, 16 October 2007 09:38  |
Jean H.
Messages: 472
Registered: July 2006
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Senior Member |
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Nuno Vila�a wrote:
> dear all,
>
> i need to export some raster datasets from arcmap 9.1 to envi 4.0. i
> do this by exporting the raser datasets into a tiff format so that
> this can be later read by envi.
> when i open these tiff images in envi, there is simply a white
> background and no data is visible, just plain white. i tried arcmap
> 9.2 and the results are the same...
> can it be a prob with my data??? anyway, i'm just converting a raster
> to a tiff, no big deal... my raster is no a perfect square, but it has
> some "less ortodox" borders which are visible in envi, but everything
> inside the boarders is white, while the outside is black...
> anyone with the same prob or with an explanation for this???
> i start wondering if it is not a data prob, but my data works
> perfectly on arcmap...
> cheers!!!
>
Nuno,
When you export your data, make sure the data type is set properly...
and it should be the same when you open it in Envi (if I remember well,
it asks you for this type of info, the first time you open the image in
Envi).
Jean
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