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Exporting a JPG


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#1 Tom Rogers

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Posted 09 August 2018 - 09:50 AM

I need a little help.  I did a 3D rendering for a commercial rain harvest system.  My client wants the drawing to be 24"x36" and will be used as a visual aid by the system.  The problem comes when it is printed at that size the lines of the wall, floor and ceiling area are very pixelated.  I have tried to understand the different export options as it relates to dpi but it seems to stretch the drawing out (maybe it is just visible on screen and wont be that way when printed).

 

Any guidance into having a better way of exporting this or getting the image less pixeled would be helpful.  I understand that I probably needed to use a more 2D approach to creating it so it but I'm too far in to start over.

 

Attached File  Hyat rain catcher.pdf   859.39KB   63 downloads


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#2 Martin Livingston

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Posted 09 August 2018 - 10:00 AM

When I need a high res file I print to a 3rd party PDF distiller and set the resolution to 3000 or 6000 DPI. I use http://www.biopdf.com/download.php

 

You can print a plan sheet to PDF directly from Softplan but you are restricted to 1500 DPI.

 

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#3 Keith Almond

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Posted 09 August 2018 - 10:34 AM

A little confused as the title is Exporting a JPG and you're talking about PDF export.

 

Commercial printing is typically only 300 dpi. So a 36" x 24" drawing printed as a JPG should be exported as 10800 x 7200 pixels. If in your 3D rendering you go to OPTIONS > OUTPUT OPTIONS, Check OUTPUT TO FILE - Check CUSTOM and change image size to 10800 x 7200, you should be able to Export a HIGH RESOLUTION JPG that will print very well at 36" x 24" (and view incredibly well on your monitor).

 

We had a client that needed a 6' wide JPG for Commercial printing and exported a high resolution site plan at 16200 x 7580 which was a 32.2 MB file, so it does take a few minutes to generate.

 

Slightly off topic:

Can someone explain to me why we have a PDF export that exports at a DPI range, when PDF is a VECTOR FORMAT, and DPI is a resolution range for RASTER formats?


Keith

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#4 Tom Rogers

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Posted 09 August 2018 - 10:50 AM

Your right Keith, a bit confusing.  The 3D image is pulled into a plan set sheet as a JPG.  From there I had to export a PDF so that it could be sent to the printer.  Combining yours and Martin's suggestions I believe I got it real close for this client.  Will find out this evening (fingers crossed) 


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#5 Harald Schwegel

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Posted 10 August 2018 - 07:42 AM

Tom,

 

I'm sure you caught this already, but in your attached PDF the boxed note at the top reads "..per square foor…"

 

Best regards,



#6 Derrik Bauer

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Posted 15 August 2018 - 06:48 AM

Did you create the 3D image in SP?  If so, increase the anti-alias and recreate the image.  You'll need to adjust the line thickness to create the same feel.






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