Hi Gerald
Actually, registering a raster image only adjusts the vector maps to fit the
registration points on the image. There is no change made to the raster
image itself. I'd say you probably need to start over with the image you
rotated in Photo Editor.
Regards,
James
> -----Original Message-----
> From: Gerald Kornelson [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, May 13, 1999 8:49 AM
> To: [EMAIL PROTECTED]
> Subject: MI re Bitmap
>
>
> I recently received an air photo of our entire city in .jpg
> format. It was rotated about 20 degrees off from
> tru north-south.
>
> I opened it in MI, registered it so that the error indicators
> seemed very close, and saved it.
>
> If I open it and any other MI table (ie. image as a
> "backdrop") the whole bunch is off by the same +/- 20
> degrees. The vector map is rotated to match the correct
> location on the raster instead of the
> raster being rotated into correct UTM coordinates. Doesn't
> matter which I open first, vector or raster.
> Isn't the first table supposed to control the projection of the map?
>
> I took the image into Photo Editor and rotated it about 20
> degrees. It looks OK, but I cannot be sure
> that the actual rotation is correct.
>
> Isn't registering a raster supposed to "re-orient" the raster
> so it displays the raster pixels in the location
> that were assigned during the registration process?
>
> Any ideas?
>
> Gerald Kornelson
> City of Winnipeg
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