GIMP :: Crop To Selection Using Rule Of Thirds
Jan 27, 2014
Gimp 2.8.6, Windows 7
I do repetitive editing where I use a rectangle select tool with a 7:10 ratio and use the Rule-of-Thirds grid. Sometime selecting the proper part of the bottom part of the image requires that top part of the Rule-of-Thirds grid lies quite a bit above (off the top of) the image. Then when I choose Crop to Selection, the top of the Rule-of-Thirds grid closes and the top of the selection snaps to the top of the image, which is not what I want.
How to make the top border of the image be at the same place as the top edge of the Rule-of-Thirds grid? If it makes any difference to the procedure, I want the border around the image to all be the default white.
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Mar 4, 2011
I'd suggest a tool for photographic composition that has as options the rule of thirds or the golden ratio. So you can do photo composition on the fly andcrop the image based on it.
Could be use as base Cutting tool, only the grid would be added with the Rule of Thirds and/or Golden Ratio and with an proportionallyadjustable rectangle (3/4, 4/3).
I enclose a mockup. [URL] ........
Circulates a script that generates a grid of thirds rule, but this is done based on a final picture, so there is no way to make composition.
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Jun 27, 2009
any plugins or such like that will display a rule of thirds grid relative to the cropable area. I know you can drag a thirds shape down etc, but im looking for something as just described, integrated in to the crop window?
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Aug 24, 2012
Whenever I use the Crop to Selection tool (with a rectangular selection), it doesn't actually crop TO the selection, it usually leaves an extra pixel on two edges.
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Aug 4, 2012
I am missing a crop tool which can rotate the crop rectangle. Similar to photoshop's tool. I found no way to rotate the crop rectangle in gimp. How do you cut out something from an image if it needs to be rotated while cropping? I tried rotating first then cropping but it does not give me enough precision so I end up with transparent areas at the border.
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May 23, 2012
I created the following user parameters:
-Thickness
-Width
-Length
-Dia
I then created a Custom iProperty which consisted of the following "formula":Â Â Â Finished Material Size = <Thickness> x <Width> x <Length> Lg.
eg. of Finished Material Result :       Finished Material Size = 6 x 25 x 300 Lg.
The problem comes up when dealing with diametrical components as the above formula will only populate for square or rectangular parts. Which would work if I could use iLogic code to populate the Finished Material Size iProperty. I have tried but failed.
First I created another user parameter called "Geometry Type" which has a drop down selection of either "DIA" or "SQUARE, RECTANGULAR".I then created the following iLogic code to set 0 as the value for the "unused" size parameters
 If PART_GEOMETRY = "DIA" Then WIDTH = "0"If PART_GEOMETRY = "DIA" Then THICKNESS = "0"If PART_GEOMETRY = "SQUARE, RECTANGULAR" Then DIA = "0"
 The part I just can't get to work is as follows.
I need some iLogic code which will populate the "FINISHED MATERIAL SIZE" custom iproperty with one of the following based on my "GEOMETRY TYPE" selection. "DIA" would return the following to "FINISHED MATERIAL SIZE":    = Ø <Dia> x <Length> Lg.
While "SQUARE, RECTANGULAR" would return the following to "FINISHED MATERIAL SIZE":Â Â Â = <THICKNESS> x <WIDTH> x <LENGTH> Lg.I tried the following code but it does not work:
If PART_GEOMETRY = "DIA" Then iProperties.Value("Custom", "FINISHED MATERIAL SIZE")= "Ø"DIA "x" LENGTH "Lg."If PART_GEOMETRY = "SQUARE, RECTANGULAR" Then iProperties.Value("Custom", "FINISHED MATERIAL SIZE")= THICKNESS "x" WIDTH "x" LENGTH "Lg."
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Aug 15, 2012
I am a novice to paint.net and would like to crop however the 'crop to selection' is greyed out.
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Jan 7, 2014
Is there a way to invoke the iLogic Rule Editor and pass it an existing rule name or external rule for editing?
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Aug 2, 2013
I need a way to run a rule which is saved in my top-level assembly using iLogic rule which is saved in a part file in the parent assembly.
I have even tried using an external rule in a txt file, but that gives the error "Component: This function can only be used in an assembly." Â - which makes no sense to me. Â I hope I am just missing something simple. Â I cant believe with all its other strengths, that iLogic would be so limited in that regard. Â Why is there not simply a snippet under the 'Run Other' that allows you to specify an assembly file and the rule name? Â (like there is for running a rule in a component from the assembly)
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Dec 6, 2011
I want to simply set a custom iproperty as the Description in each part file within my assembly. I can do this easily at part level with ilogic but I want to be able to run the rule from the assembly level and all the parts run the rule. I am struggling to find a way to do this.
I think this may be the best method I have found but I think it must be far easier?
[URL].......
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Dec 9, 2011
I am working for customer with a simple item with his iLogic design. He has created a simple form to modify his iProperties. To modify the current material, a multi-value parameter was created and the following rule as a local rule;
"MultiValue.List("MATLIST") = iProperties.Materials
iProperties.Material = MATLIST"
He is now trying to make this an external rule but gets the following error
Error in rule: Mat2, in document: Mat2.iLogicVb
iProperties.Material: is probably a bad material name.
The more info tab says:
System.ArgumentException: iProperties.Material: is probably a bad material name.
at iLogic.CadPropertiesInRule.SetDocMaterial(Document doc, String matName)
at LmiRuleScript.Main()
at Autodesk.iLogic.Exec.AppDomExec.ExecRuleInAssembly(Assembly assem)
at iLogic.RuleEvalContainer.ExecRuleEval(String execRule)
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Feb 24, 2013
I am using Photoshop Extended CS6. A new problem has started to occur recently. I can select a tool, but I can't change the tool type. For example,I can select the Lasso Tool and when I right-click the tool fly-out appears, but I cannot select a tool from the fly-out to change the tool type. The editing tools, at least the ones I can select, still work except for the selection and crop tools. For the crop tool, the crop lines appear at the edge of the image but they cannot be moved. For the selection tools, nothing is selected. I can still use menu commands such as Canvas Size.
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This happens when I open a file or start a new file. I have Windows 7, 4G memory and nothing else running. I have tried 32-bt and 64-bit versions.This has happened intermittently for a month or two. In the past, freeing up space on a hard drive seemed to work. But now I have 50G free on one drive and 30G free on another so I don't see how that could be the problem. Rebooting allows me to use the crop tool once, but then the problem reoccurs.
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Aug 16, 2012
Obviously LR seems to use some of the lens correction information it gets from Micro Four Thirds cameras. This shows when compared to results from RAW converters that don't.
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I have noticed this for my Olympus OM-D and the 12-50 mm zoom. Is that the reason why there is no lens profile for that lens in Lightroom? And is this the case for all MFT lenses?
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Aug 19, 2011
Suddenly today when I use the "Section tool" on a photo and then 'Crop to Selection' a new image is produced of the cropped selection and the old image remains. I don't want this and it has never happened before in the years I have been using PSP.
I want the existing image to be cropped and then I will save it.
How I can reset the "Selection tool' to do what it has always done? BTW I had earlier today used the "Crop" tool and ever since the 'Selection tool' has been creating a new image.
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Jun 25, 2013
I want to crop a whole selecton of pictures with the same aspect ratio. I shoot my pictures in 4:3 and I want to use Lightroom to crop them all for example to 16:9. So I have only to adjust the size and it's done!
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I use Lightroom 4.4
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Mar 1, 2013
Right after one makes a selection, say by using the Rectangle SelectTool, is presented with handles that allow altering the selection.
If one then selects another tool without deselecting is being deprivedof these handles while the selection remains active thus rendering himunable to alter the selection in that fashion.
Thus forming my question: is there a way to make these handles to(re-)appear on a non-freshly created selection?
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Oct 2, 2012
I want to break a line into thirds or fourths.
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Jan 13, 2013
I know how to blend selection edges of a selection in Gimp 2.8.2, but if I have only one side of a selection that needs blending, what should I do?
Lets say that I have a grey box on a black background and only want to blend the left vertical edge into the background.
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Nov 21, 2013
Every time I make the second selection in a picture with the lazo the first selection disappear. what can I do to fix it?
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Apr 29, 2013
I'm trying to use the rect marquee tool to do a selection and then crop a photo but when I do nothing happens.
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A couple of strange things have/are happening:
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-At one point, while I was in transform selection I there was added space around the marquee, which became the new edge, as opposed to the marquee itself.
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-The marquee is in the shape of a rounded rectangle.
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Aug 21, 2012
I am trying to use iLogic to create the file types I need to give to my vendors once I have created a drawing.In the .idw file I have a rule that creates a .pdf file and .dwg file. I also want it to activate a rule I have in the .ipt file that creates a .dxf file.
trigger = iTrigger0oType=Left(ThisDoc.FileName(False),3)GoExcel.Open("S:DRAWINGSFolder Types.xlsx", "Sheet1")For rowPN = 1 To 200 If (GoExcel .CellValue("A" & rowPN) = oType) Then oFile = GoExcel.CellValue("C" & rowPN) Exit For End IfNextoFolder = "S:DRAWINGSNOT RELEASED" & oFileIf Not System.IO.Directory.Exists(oFolder) ThenSystem.IO.Directory.CreateDirectory(oFolder)End IfThisDoc.Document.SaveAs(oFolder & "" &
[code].....
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Mar 20, 2012
I keep trying to scale an image down in GIMP but it just crops the image instead. What am I supposed to do?
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Aug 17, 2013
I have a regular 4 x 6 picture. I want to crop it and then keep that as a 4 x 6 and print out. I also want to deal with "inches" here.
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Feb 21, 2013
It'll be useful if we can crop layers based on visibility. AFAIK gimp onlycapable crop current selected only.
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Aug 2, 2012
I need to take a logo and blend it in with another picture. I also want the picture of leaves to drape a little over the letters of the logo. How do I do this? I can't figure out how to crop or how to add a 2nd picture to my screen.
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Oct 2, 2011
Is there a way to just splice my image up into 16 512x512 squares? like a tile set (which by the way I'm sure my math is screwed up on that so how many squares I need to cut out a 2048x2048 image for 4 on top and 4 on the sides that'd be great. I suck at math)
I tried copping and stuff but I can't seem to use the tools right. I wrote a lengthy detailed version of this but figured it was too much to read so I am editing/cutting all the details out
Also the resize part. nevermind I got it figured, I just had to resize the image and the canvas follows suit. I didn't know that, thought I had to resize canvas first then image like in photoshop.
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Sep 16, 2011
I love the GIMP program, even though my attempt at doing my first thing does not seem to be happening.
simply, I have taken a shot of a piece of artwork and I am wanting to crop right at the frame of the artwork. I successfully did the Scissor thing...hovered over the first 'dot' and held down the cntl key...and the marching ants were seen..OK so far.
HOWEVER, (after following a youtube tutorial) when I was at the 'CUT' stage, my crop did not turn white, like in the tutorial--the tutorial was Peyton manning's photo--I think-- so that is the hurdle I have to overcome...All worked well up to that point
--my photo is the first layer, then created another layer, named it, then moved it down one space then deleted one of the layers--I'm doing this from memory now--then did the scissor-thing and then the 'cut' step should have made my artwork all white....but no
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Jun 18, 2011
I'm starting to get serious about photography. I've shot a batch of photos that need manual processing. There are a couple of steps where I should be able to save one or two keystrokes every time. This may sound minor, but when I have to do it time after time after time, it gets annoying. This is not intended to be a rant, but rather a request for info about changing defaults to speed things up for me.
I'm running Gimp 2.6.11 on Gentoo linux (64-bit). I've looked at"Edit ==> Preferences", but can't seem to find what I'm looking for.
1) I need to crop photos, but the manual "crop tool" is not the best fit. I prefer to use "Image ==> Canvas Size". My problem is that the Width+Height aspect ratio defaults to staying constant. I.e. if I crop the X size, the Y size changes proportionally. I do NOT want that. I have to manually click on the link to break the linkage. Sometimes I forget, which can get really annoying, when cropping in one dimension crops the other as well. How can I change the default to not link the X+Y sizes?
2) Saving stuff to PNG *) After having done any cropping, I obviously want to save my work.Saving to PNG pops up a dialog about "Your image should be exported before it can be saved...", Is there any way to get the PNG save routine to "just do it", rather than popping up a dialogue?
*) If I'm saving to a new PNG file, I get *YET ANOTHER DIALOGUE* with settings for compression/interlacing/etc/etc. I never change the default settings, so this is another extra annoyance to me. How can I get the"save as" command to "just do it"?
I know the above may sound minor, but it does get annoying after the umpteenth time.
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Jan 30, 2012
I'm just trying to write a script in order to crop a png file which has a white border.I tried this but nothing change..
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Jan 13, 2013
I need to crop-remove slices of lots of of images, so preferably in one single step. Here is a more detailed description: [URL] Since this post is about two years old, I wonder whether this is still unsupported by Gimp.
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Aug 6, 2012
I'd like to crop a circle out of an patterned image.
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