overlaping geotiff white area problem

[joerg p]

thanks, it was 255 255 204...

joerg


Ed McNierney wrote:
> Joerg -
>
> You should open the new geotiffs in a graphics program that will let you read pixel values, and make sure that those pixels really have a RGB (or palette) value of 255 255 255.  They may be "almost white" but OFFSITE requires an exact match.
>
>      - Ed
>
> ----- Original Message -----
> From: joerg p <superbla3000 at gmx.net>
> To: Ed McNierney <ed at TOPOZONE.COM>
> Sent: Wed,  6 Oct 2004 09:53:42 -0400
> Subject: Re: [UMN_MAPSERVER-USERS] overlaping geotiff white area problem
>
>
>
>>I already had OFFSITE, offset was a mistake.
>>
>>I reprojected the file with globalmapper, by switiching the projection
>>from utm to geographic, datum:wgs84 and planar units:arc degrees.
>>
>>joerg
>>
>>
>>
>>Ed McNierney wrote:
>>
>>>Joerg -
>>>
>>>The map file statement you want is OFFSITE, not OFFSET.  If that doesn't work,
>>
>>tell us how you reprojected the files.
>>
>>>     - Ed
>>>
>>>Ed McNierney
>>>TopoZone.com
>>>
>>>----- Original Message -----
>>>From: joerg p <superbla3000 at GMX.NET>
>>>To: MAPSERVER-USERS at LISTS.UMN.EDU
>>>Sent: Wed,  6 Oct 2004 09:40:07 -0400
>>>Subject: [UMN_MAPSERVER-USERS] overlaping geotiff white area problem
>>>
>>>
>>>
>>>
>>>>hello,
>>>>
>>>>I reprojected two utm geotiffs to geo latlong geotiffs. The geotiffs are
>>>>overlapping and now, reprojected, they have curved sides.
>>>>
>>>>But now each geotiff is surrounded by a white area, and i can't set it
>>>>transparent with offset 255 255 255.
>>>>
>>>>So I have several white areas on my map. What should I do?
>>>>
>>>>Joerg
>>>>
>>>
>>>
>>>
>>
>
>