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  Tip of the day
Posted by: ijeniik - 12-18-2022, 05:45 PM - Forum: General questions - Replies (2)

Hello people
it is possible to show Tip of the day after each start of gimp? Huh

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  The "look" of gradients
Posted by: Ofnuts - 12-18-2022, 10:09 AM - Forum: Tutorials and tips - Replies (4)

Out of curiosity, I made a graph to see the effect of the "blending function" in a gradient, and how it behaves if the midpoint is changed.

   

The "50" gradients have the default midpoint position, and the "75" one have the midpoint dragged to 75% of the range.

To replicate, adapt and run this code in the Python console, and copy/paste the result to a CSV that you feed to your favorite spreadsheet application.

Code:
def valueAt(layer,x,y):
    _,rgb=pdb.gimp_drawable_get_pixel(layer,x,y)
    return sum(rgb[:3])/3.

def dumpLayer(layer):
    y=layer.height/2
    pts=['%.1f' % valueAt(layer,x,y) for x in range(layer.width)]
    print '"%s",%s' % (layer.name, ','.join(pts))

def dumpImage(image):
    for layer in [l for l in image.layers if l.visible]:
        dumpLayer(layer)
        

image=gimp.image_list()[0]
dumpImage(image)

Source XCF also attached.

Edit: some code updates (works with alpha channel, and dumps only visible layers)



Attached Files
.xcf   Gradients.xcf (Size: 384.53 KB / Downloads: 521)
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  Drawing lines
Posted by: pinnerite - 12-16-2022, 10:22 AM - Forum: General questions - Replies (1)

I seem to have lost  drawing toolbar.
How can I recover it?

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  Unhidden docks take up whole screen
Posted by: pinnerite - 12-16-2022, 10:20 AM - Forum: General questions - Replies (2)

This is in 2.10.18.
Since this version was installed. Some functions are behaving unexpectedly.
At the moment I am looking at "Pencil" and it occupies the whole screen.
How can I reduce it?

TIA

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  Tools not working
Posted by: ScottM - 12-16-2022, 04:55 AM - Forum: General questions - Replies (3)

Hello,
For months now various tools and functions have not been working properly or at all in Gimp. The select by colour often makes a selection, but, for example, I can't invert it and delete or change the background, or the selection itself. Once I've made a selection by colour, I have tried the manual command as well as clicking the option in the EDIT tab to fill with forground colour, but nothing happens. There are other tools and functions not working either. I'm stuck. Can anyone help? I have Gimp GIMP 2.10.32 currently. I use a Mac Monteray. 12.6.1

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  Can the measure tool be set to show inches or mm instead of pixels?
Posted by: Muzician - 12-15-2022, 10:11 PM - Forum: General questions - Replies (2)

I see the measure tool defaults to pixels, I don't find a setting to change that to any other unit of measure. Is there such a setting and if so how do I access it?

Thanks.

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  G'MIC
Posted by: Honeybranchphotography - 12-15-2022, 08:52 PM - Forum: Extending the GIMP - Replies (2)

Hello everyone, Merry Christmas. When i use the g'mic filters they all work great except the dream smoothing filter. when i apply the filter my image turns white?? Any suggestions??

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  Curving a background image around an object
Posted by: Bsquared88 - 12-14-2022, 07:31 PM - Forum: General questions - Replies (2)

I hoping to find out if it's possible to take an image used for a background and create a curve in it.  The ideas is to create a rotunda-like appearance with the background being the walls and another object being placed central to the rest.  

I could be up in the night on this.  Most definitely it's above my current GIMP abilities.  I don't even know what to search for in tutorials or in this forum to find where to begin.  I did find the warp tool, and it has possibilities I think but it's not working to create the desired effect.  It looks more like a mess as if I was stirring in one paint color into another.  It just got sort of swirled around.  I found my cursor and fingers wouldn't cooperate to result in an even warp.

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  Cannot post at GIMPCHAT (Solved)
Posted by: Pocholo - 12-14-2022, 07:02 PM - Forum: Watercooler - No Replies

I'm trying to post at GIMCHAT and I get this error message:

This site can’t be reached

The connection was reset.

I clear my cache and cookies.Can anybody help or have any Idea why?  I'm on Windows 10 .Thank you in advanced.


**Never mind, I found out that is a Chrome issue. I used Firefox and I was able to post.

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  Snap to Layer Edges or Boundary
Posted by: gotanidea - 12-14-2022, 03:37 AM - Forum: General questions - Replies (7)

In Photoshop, there is Snap to Layer option, to snap the cropping to an edge of a layer.

In GIMP, we can use Layer > Crop to Content to crop based on a layer boundary, but there is no option to snap the cropping to an edge of a layer.

Please check the screenshot below and see the layer with a red rectangle in it:

Layer Example

How to snap the cropping to the bottom edge of the layer, since there is no Snap to Layer option?

We can do this easily in Photoshop:

Snap to Layer Feature in Photoshop

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