Aussie Posted February 23, 2005 Share Posted February 23, 2005 Quick question. I have just finished doing a color coded slope analysis in photoshop/AutoCAD, now I have to send it out to plot. My question is which format do I save it as .pdf or .jpeg. This is my first time sending out a color file. Thanks Link to comment Share on other sites More sharing options...
Tim Nelson Posted February 23, 2005 Share Posted February 23, 2005 You really should send it out as a tiff file. You might not notice it if you save the jpegs at high quality but you lose quality on jpegs every time you save it. I think pdf's also use compression, but I'm not sure if there is a way to save a pdf in a loss-less format. Tiff's are absolutely loss-less, so you never have to worry about it - just that the files sizes are enormous. Link to comment Share on other sites More sharing options...
jackb602 Posted February 23, 2005 Share Posted February 23, 2005 Really? Are PSD files compressed? I always thought they were uncompressed. I haven't noticed any loss, but if that's true I'll have to rethink my workflow. Jack Link to comment Share on other sites More sharing options...
Tim Nelson Posted February 23, 2005 Share Posted February 23, 2005 No, PSD files are not compressed - just PDF files. When saving pdf files, you can use jpeg compression & it lets you choose the quality that you want to save at. Link to comment Share on other sites More sharing options...
jackb602 Posted February 23, 2005 Share Posted February 23, 2005 Oops, looks like I read your post a little too quickly. Jack Link to comment Share on other sites More sharing options...
lambros Posted February 23, 2005 Share Posted February 23, 2005 tiff/tga/png are all lossless. If you are saving just once in jpg high quality, it doesn't really matter, except if you are saving for animation. I guess that tiffs are a mainstream choice Link to comment Share on other sites More sharing options...
Bugga_Guy Posted February 24, 2005 Share Posted February 24, 2005 Sending a large image to a plotter/printer is a pain, unless its a small print. In our office, we always save a PSD photoshop file for archieve, and a PDF to print. They come out nice, as long as the original image is at a high res. Link to comment Share on other sites More sharing options...
Aussie Posted February 24, 2005 Author Share Posted February 24, 2005 24 x 36 is the plot size What I have been doing is making a pdf from AutoCad (so the line weight are locked in) then opening it in Photoshop and adding the color. I contacted the guy at the print shop and he just told me to send it in any format. I think I will follow the advice here and save as .tiff . When and if I have to make changes I will do the changes in the .psd file. Thanks for the input and help. Link to comment Share on other sites More sharing options...
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