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problems with taking an autocadd PDF into CS3


a tiny bit of background... I render plans taken from autocadd in photoshop. basically I'm the guy who makes boring black and white line drawings and colors them up to look pretty. no matter what, the plans I render have to be scale. that's a must.

the process in the past was to generate a pdf in autocadd (2005) using acrobat 7. take that pdf and rastorize them by opening them up in photoshop CS2. when I rastorized them I would tell the pdf the dpi, but leave the sheet at arch d, 24" x 36". that process worked fine until I got CS3.

the process now is to generate an autocadd (2005) pdf with acrobat 8 and open it in photoshop CS3. when I open the arch d, 24" x 36" drawing, photoshop cs3 will resize the image no matter how I open it or what resolution I assign it. even if I open it as a smart object it will still give it a new size, usually smaller than the arch d sheet I made it at. that changes the scale pf the drawing which is not acceptable.

if I look at the pdf, its fine and to scale. its only when I rastorize it does it change scale. ive had to turn to this forum because my co-workers have now run into the same problem as I and no one can figure it out.

is there a way to fix this scaling problem?

Have you tried loading a dwg into Illustrator, converting the file to .ai and then opening the .ai file as a smart object in Photoshop?

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no I haven't yet. that might work, but the downside is that its another step in the process. seeing that I bill my work by the quarter hour I try to just avoid any extra processes. not to mention the linework when brought into illustrator can be really cumbersome. ai really dislikes hatching patterns from autocadd

I really think there is an error of some sort in cs3 because this wasn't an issue in cs2.

thank you though! -g

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There sounds like it may be related to a bug in CS3 with PDFs that have a /Rotate flag indicating a page rotation of 90 or 270 degrees. If this your situation, try to uncheck the "Constrain Proportions" checkbox and manually set your Width and Height.
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