AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

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Member
todd
Posts: 5
Registered: ‎04-29-2011
Message 1 of 6 (306 Views)

GEO Tiff Issue

306 Views, 5 Replies
01-11-2013 12:55 PM

Why does my .tif aerial color darken and blue patches appear on it when it gets rotated, either thru user rotation or thru coordinate transformation? And how do I fix it?

 

Thank,

Todd

*Expert Elite*
antoniovinci
Posts: 1,782
Registered: ‎06-03-2011
Message 2 of 6 (296 Views)

Re: GEO Tiff Issue

01-11-2013 02:29 PM in reply to: todd

Which is the colour depth of that Geotiff, 8 or 24 bit or what else?

Member
todd
Posts: 5
Registered: ‎04-29-2011
Message 3 of 6 (265 Views)

Re: GEO Tiff Issue

01-14-2013 07:53 AM in reply to: antoniovinci

Thank You for your responce. Attached are the details for the Tiff.

 

Todd

New Member
mvoll
Posts: 2
Registered: ‎01-30-2013
Message 4 of 6 (222 Views)

Re: GEO Tiff Issue

01-30-2013 11:28 AM in reply to: todd

I am having s similar issue with my GEO Tiff.  I am running C3D 2011 and Windows 7 64b.  Whenever I rotate a Tiff file either by DVIEW or ROTATE or rotate the UCS by an increment other than 90, I gain (or lose?) transparency.  I am trying to rotate the aerial image so the road will run parallel to the page.  It is a TIFF 32 file also.  I have attached a capture of what gets printed out.  Thanks.

Member
todd
Posts: 5
Registered: ‎04-29-2011
Message 5 of 6 (201 Views)

Re: GEO Tiff Issue

01-31-2013 07:14 AM in reply to: todd

Try clicking on the image, open the properties menu, scroll all the way to the bottom to the "Misc" tab, expand the tab if not already,click the Transparency Color box, in the window click select, click anywhere in the drawing, then click Ok. This worked for me 99% of the time. The 1% is the issue I'm having now.

 

Todd

New Member
mvoll
Posts: 2
Registered: ‎01-30-2013
Message 6 of 6 (181 Views)

Re: GEO Tiff Issue

02-01-2013 06:56 AM in reply to: todd

Thanks! That worked great!

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