GIMP :: Batch Convert - Scale All Photos To 300 PPI?
May 23, 2012
I have done LOTS of detailed research into ppi, dpi etc.
I believe I do understand the difference. Whenever I open a picture in gimp it opens at 72ppi. I wish to scale all my photos to 300 ppi so i can use a template I made of the exact same size paper as my printer uses without having to worry about the printer rescaling my photos from 72 ppi to whatever dpi it needs.
I have converted lots manually and am assured that this works for my purposes (not professional just scrapbook and photo album prints)
I have two questions though;
1. Is there a freeware program, or a way through gimp, that I can batch convert multiple files up to 300ppi.
2. Why when I change the ppi of a photo does the filesize become larger? Surely the ppi is just a reference number to know how many pixels to display and to convert for printing?
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Nov 29, 2011
I'm looking for a script/program that if you run it, all the .eps files in a folder will batch convert to a png-24 with 250% scale.
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May 19, 2010
I have a lot of xcf's which I want to save as png's and do not want to do this manually in Gimp.
How do a batch convert xcf to png using the terminal (linux)?
Needs to be through Gimp CLI as ImageMagick convert won't handle the files properly and i can't get xcf2png to work.
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Sep 16, 2011
I have over 200 pdf files that I need to batch convert to tiff format. From what I've gathered, this can be done simply using Ghostscript. Unfortunately, I have no experience running GS as a command line program, and only installed it as part of Gimp. Any tool for gimp that could do this? or step by step, through the process of using GS to perform this task?
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Oct 15, 2012
I have created a script to convert in a batch, about 2000 images, the problem is that gimp-file-save ignores image settings and uses its own defaults, so the image that has 6 layers, after being scaled, has only one layer!
the image is in format dds I am using gimp 2.8.2
the script:
(define (SECresizeTexture filename width height)(let* ((img (car (gimp-file-load RUN-NONINTERACTIVE filename filename)))(drawable (car (gimp-image-get-active-drawable img))))(gimp-image-scale img width height)(gimp-file-save RUN-NONINTERACTIVE img drawable filename filename)))
as you can see, this is a generic script, I would like to avoid using the specific dds load/save because of increased complexity and for being specific to dds...
is it possible to set some format based on the original file? I could use the dds file save, parsing output from "identify -verbose filename" (imagemagick), but that will be a lot of trouble...
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Jun 8, 2011
I have about 10,000 photos that were taken with cell phone camera. I have to sharpen and save. They are photos of pages of books. Is there a way to make batch file of every 100 or so of the photos and edit them?
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Aug 19, 2012
I want to scale down the size of each image in a set of 125 photos, to save storage space in my computer. How can I do this other than one at a time?
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May 25, 2013
I have a long and complicated road trip timelapse photo set I'm converting to an animation. That i've managed to sort out. However I also have some panoramas that i took here and there. I'm trying to take these panoramas (about 11 of them) into their component images,but with an overlap so that they will be in the animation appearing as a pan.
So I have about a dozen of these fairly wide images (2096 x 544 for one of them), and each of these i want to split into about ten images with a reasonable "overlap".
Given the amount of potential images, and my desire to have a smooth pan, making composite images manually wouldn't really work.
I've been using ifranview to bulk crop and resize images but i couldn't work out a way to do this so I switched to GIMP, which I'm not great with.
I've grabbed the guidelines every x pixels script and guillotine into layers plugin, hoping I could guillotine across multiple guideline "units" but all it's given me is dozens of vertical slices of the image.
I could merge and duplicate them but that would take ages.
At the moment I'm thinking my best option is to put the guidelines on and use selections to snap to guidelines and paste as seperate layers, then save all the layers as seperate files. However that still seems very slow and clunky and i'm wondering if there's a better way.
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Jan 5, 2012
When I'm editing pix, and need a quick large solid brush for a couple seconds, (1-inch dia), I slide "scale", but it's nearly impossible to manually rest scale back to default without restarting Gimp...
Can there be a dot-button beside scale that auto-sets scale back to default..? and/or a timer on scale changes that resets scale back to default after ten-seconds..?
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Feb 15, 2009
I just downloaded the Photoshop CS4 trial to try something.
I need to scale and resize images for use on our web site.
Our images are not evenly proportioned, some are 400 x 400 or 400 x 200, ect.
I would like to make them scale down to fit within a 240px x 240px image.
We have thousands of images to do and 3 other sizes to scale the same images to.
Can this be done using the batch automate and record the steps?
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Mar 8, 2012
I have about 2300 .eps files that I need to convert to .jpg so they can be used in an online store.
All of the eps files need to be resized to a maximum of 700px wide, coverted to an rgb colorspace, and 72dpi and then saved as a .jpg file
I have been trying to use the actions pallet to record the actions and then run a batch action but to no avail. I have adobe PS CS4.
Below are screenshots of what i have tried to setup. (After this I have about the same amount of .TIFF files that also need converted.)
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Jul 23, 2012
I am having trouble converting .psd files to .jp2s. When I make the action, in the "save as" box I have to first pick the JPEG 2000 format, then manually change the extension from .jpf to .jp2. The problem is that when I set everything up, the files save with the extension .jpf, because that is the default extension for JPEG 2000, and my manual change is ignored in the replaying of the action.
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Dec 8, 2012
I am trying to batch convert jpg to png and do some minor modification to the image before saving as png and i can do that but when it saves the png it renames the jpg to 0.png how can i change that.
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Aug 7, 2013
I have around 100 dwg files, client wants the soft copy in dgn format, also layers needs to be renamed in dgn.
I need to convert those files to dgn, any script to run so it does it automatically?
Converting it manually one by one will take me some time.
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Aug 30, 2005
I know you can batch rename in CS2 but what if you just want to change from jpg to tif? I tried it on some test images and thank goodness I did a test first at it didn't work and I couldn't get the images back.
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May 1, 2013
Looking for a way to convert a directory full of .ai files to SVG.
Is there a batch process similar to what fireworks has?
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Jul 13, 2012
I want to save space in my external hard drive by converting RAW files to DNG files. How to create an action for batch processing these files.
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Sep 29, 2010
I am using VS Pro X2. There is a problem with batch conversion. When I export the videos individually using "share", I get a good quality output, but when I export the same video using "batch convert", the quality degrades, for example the title gets blurry. I am using the exact same output setting in both situations:
MPEG-4 Files
24 bits, 640 x 480, 30 fps
Frame-based
MPEG-4 SP Video: 2000 Kbps
44100 Hz, 16 Bit, Stereo
MPEG AAC Audio: 128 Kbps
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Mar 7, 2013
We have to submit a set of 18 drawings to a local municipality. They want the CAD files (in this case Civil3D 2011) in .DXF format. Is there an easy way to convert them all at once or do I have to SAVEAS each file one at a time?
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Aug 8, 2012
How to batch convert .ccm files to dwg? I believe they are called CopyCad Model files.
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Oct 9, 2006
I need a free software to convert Batch images from Tiff To Gif?
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Jun 8, 2011
In XDP7 is there a way to batch covert .xar files to .svg? Is there a plugin maybe?
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Apr 7, 2008
Any way to convert multiple fields to text? I've got a bunch of m-text objects, and they each have a field that references a polyline. (example: field=elevation of pline). I like to convert the fields to text when I need to send the file to someone, so that they can't inadvertently change the values. For now, I use the right click menu in the text editor for convert field to text, but I'd like to be able to change multiples at once. CAD 2008.
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Apr 4, 2013
I have LR 4.4 running on a Win 7 64 bit PC...
I selected 4 RAW files (CR2) to convert to DNG via the Library modules 'convert to DNG' and then delete the CR2 file.
It converted only the last of the 4 files and left the other 3 untouched as CR2 files. Can LR not batch convert the RAW files in this manner??
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Oct 9, 2012
And is there a maximum number of files allowed in a batch?
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Apr 2, 2012
I use PS CS5 and LR4 on my Mac. I also have the prior versions of both on the Mac, too. I run the SL OS.
Here's my question: I have about 500 images in .PCD and I want to batch convert them to .TIFF format. Is there a plug-in I can use or should I go to a third party app?
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Dec 21, 2010
I recently tried to convert a 76 minute movie in mpeg 4 to mpeg 2 using the batch convert function. I first went into options and set the bit rate to 6100 kbps and the audio to Dolby 2 ch. stereo, with the bit rate set to constant. After the conversion had taken place, I found the results were excellent, except that only 38 minutes were converted. I tried it again, but still only 38 minutes and then it it finishes. Why won't it convert the full 76 minutes? The destination folder is on my "D" drive which is 1 TB, so there is lots of room.
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Jul 28, 2011
I've received quite a few DWG files and I would like to batch convert them into PDFs so I can share them with the sales staff. Also, DRAW deals with PDFs much better than DWG and the added feature that the PDFs will have all outlines converted to black.
My workflow now is to open each DWG in DWG True view and plot it to PDF using there built-in engine. It works but I have to convert all outlines to black inside DRAW plus I have to do each file one at a time. I've downloaded a trial version of deskDOC DWG to PDF with less than stellar results .
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Nov 23, 2011
My work needs to convert thousands of DGN files to DWG. We are using AutoCAD 2012. Is it possible to batch convert dgn files with a LISP and a mapping file?
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Aug 1, 2005
I have a TON of JPEG pics that are currently in Progressive format but I am using them with an app that requires that they be non-progressive. So I am looking to convert them to a Baseline format. In Photoshop, this conversion is done through the Save As dialog. However, I dont know of a way to create an action to do this without saving the file name in it. I want to keep all the pics the same file name that they are currently (..there are a ton of them already indexed in an XML feed so..).
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Feb 19, 2009
Some years ago purchased CorelGallery 1,300,000. The vector clipart came in a .CCX format.
However, the Gallery browser no longer loads into my Service Packed Windows XP. Also XP and Vista cannot display .CCX thumbnails in their respective Explorers.
Today I discovered if I change the file type from .CCX to .CMX. the thumnail displays.
My challenge is how to covert about 500,000 files from one to the other en masse.
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