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Ghostscript Tutorial



 
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Old May 31st, 2009 May 31, 2009 6:52:17 PM -   #91 (permalink)
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Default Re: Ghostscript Tutorial

Hey Guys,

I have seen throughout these posts that people have been exporting a PS file from Photoshop.

I have been printing to PS files from Illustrator for ages but haven't got the option of printing to a postscript file in Photoshop.

Should I print to a PDF and enter all the details in the "Output" dialogue....and then open that in GhostView?

Thanks
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Old May 31st, 2009 May 31, 2009 7:04:51 PM -   #92 (permalink)
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Default Re: Ghostscript Tutorial

To use postscript output with separations,
change to CMYK
start the print dialog
check Show More Mptions
choose Color Management in the Output/Color Management dialog
under Print Space, choose Separations (only available, when your image is in CMYK)
go to Output dropdown and choose your output option
choose printer and print
 
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Old May 31st, 2009 May 31, 2009 7:16:05 PM -   #93 (permalink)
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Default Re: Ghostscript Tutorial

Here is the spanner....

We don't use this for printing out CMYK seps. We don't do full colour work at all. It is only for outputting single colour greyscale images.

So converting to CMYK won't work for me because I need to keep the image greyscale.
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Old May 31st, 2009 May 31, 2009 9:21:46 PM -   #94 (permalink)
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Default Re: Ghostscript Tutorial

When you have pressed the Print button, you get a second print dialog, where you can choose "Print to file".
I just tried it on an image, that I converted to grayscale.
It works for me. (PS7.1 on XP)
 
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Old May 31st, 2009 May 31, 2009 10:07:51 PM -   #95 (permalink)
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Default Re: Ghostscript Tutorial

Great...thanks....will try.

Thanks Naga
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Old June 1st, 2009 Jun 1, 2009 5:22:15 PM -   #96 (permalink)
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Default Re: Ghostscript Tutorial

Quote:
Originally Posted by customprintz
If your printer has postscript do you still need Ghostscript and Ghostview??
Depends if it's full postscript level 3 (in which case, no you don't) or a modern crappy emulated postscript (in which case, yes you do).

If the printer's old or high end it might be fine. If it's a modern consumer printer, it's extremely unlikely.
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Old June 1st, 2009 Jun 1, 2009 10:19:33 PM -   #97 (permalink)
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Default Re: Ghostscript Tutorial

Quote:
Originally Posted by Solmu
Depends if it's full postscript level 3 (in which case, no you don't) or a modern crappy emulated postscript (in which case, yes you do).

If the printer's old or high end it might be fine. If it's a modern consumer printer, it's extremely unlikely.
i am using a HP 5100tn an printing on folex laserfilm. I think it has postscript level 3, but Might only work for Windows but i use a Mac.
 
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Old June 22nd, 2009 Jun 22, 2009 6:39:07 PM -   #98 (permalink)
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Default Re: Ghostscript Tutorial

Hey guys,

Great tutorial, and I got a lot of information with this, quick question. If I wanted to do a 4 color process together using ghostview do I have to follow these steps outlined in Full Color Screen Printing with Photoshop Screensilk THEN print it color by color using ghostview or would i be ok just doing it directly using photoshop and fiddling in the postscript print options to separate the angles and such?

Cheers,

Suo
 
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Old June 23rd, 2009 Jun 23, 2009 4:09:53 AM -   #99 (permalink)
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Default Re: Ghostscript Tutorial

No. If you're using Ghostscript/Ghostview, you don't follow the instructions at that site. That's a way to generate halftones without using a postscript printer or a RIP such as Ghostscript. What you'll do using Ghostscript/Ghostview is to do all of your separating in the Photoshop print dialog box, as you've indicated, specifying separations, then screen angle, dot shape, and frequency, then print the job to file, then open that file in Ghostview. Ghostscript handles all of the postscript info.
 
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Old June 23rd, 2009 Jun 23, 2009 7:52:29 AM -   #100 (permalink)
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Default Re: Ghostscript Tutorial

With later versions of Corel, you will get a generic printer driver (in X4 it is "intuit interal printer"). You can use this instead of downloading a HP postscript printer driver.
 
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Old June 23rd, 2009 Jun 23, 2009 10:02:07 AM -   #101 (permalink)
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Default Re: Ghostscript Tutorial

Also, if you have Adobe's Creative Suite, you'll find that there's an "printer" named Adobe PDF. That's what I use for everything, since there are no fixed output sizes such as Letter, Tabloid, etc. Maybe it's in there if all you have is Photoshop.
 
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Old June 24th, 2009 Jun 24, 2009 7:53:15 AM -   #102 (permalink)
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Default Re: Ghostscript Tutorial

Hey guys,

So I finally got round to testing it and I am facing some problems, it seems that no matter what settings i do, my output still prints the same size in halftones. Is there anyone who uses photoshop + ghostscript/view that might be able to guide me?

Cheers,

Suo
 
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Old June 24th, 2009 Jun 24, 2009 10:22:00 AM -   #103 (permalink)
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Default Re: Ghostscript Tutorial

Quote:
Originally Posted by suomaf
Hey guys,

So I finally got round to testing it and I am facing some problems, it seems that no matter what settings i do, my output still prints the same size in halftones. Is there anyone who uses photoshop + ghostscript/view that might be able to guide me?

Cheers,

Suo
What settings are you using in the Photoshop separations dialog box when you go to "print"?
 
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Old August 16th, 2009 Aug 16, 2009 3:18:28 PM -   #104 (permalink)
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Default Re: Ghostscript Tutorial

Top man!! Thanks for this invaluable info.
 
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Old 4 Weeks Ago Jan 7, 2010 12:17:56 PM -   #105 (permalink)
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Default Re: Ghostscript Tutorial

Hey guys -

Sorry to bump a really old thread, but i figured that'd be better than creating another thread.

So here is the deal:

I have an Epson Stylus 3000, Ghostscript, and GS View.

I open my grayscale file in illustrator, and open the print dialog:

Printer: Adobe PostScript File
PPD: Epson Stylus Color 300

Under the output menu in print dialog:

Mode: Seperations (Host-Based)

But here is where I have problems - under document ink options, I see all the options for Process C M Y and K, and i can adjust frequency and angle, but I can't adjust dot shape. Its set on 'default halftone', and the option to change it is grayed out. I want to print elliptical but I don't have the option.

Now when I first tried this, there was no "Epson Stylus color 3000" under the PPD field in the print dialog in Illustrator. I had to go and download the one from this page : OpenPrinting database - Printer: Epson Stylus Color 3000
I'm not sure if a different PPD would give me an option on dot shape, but its the only thing I could think of.

Can anyone help me out with this? I've printed the file created using the 'default halftone' option and it looks like little squares/pixels on the acetate, not actual dots.

I've also tried to get halftones working using this link : Powered by Google Docs

But I can't get that to work either.

Any help would be greatly appreciated.

Thanks.
 
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