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  Custom shapes for Newsprint Filter
Posted by: rospo - 11-07-2017, 12:26 AM - Forum: Extending the GIMP - Replies (3)

Hi all,

I am wondering how I can add custom shapes (not round, line, diamond, or square) to the newsprint filter.

I would like to rasterize an old grayscale photo using five-pointed-stars.

  • Can it be done in gimp using the newsprint filter?
  • How can we add custom dot-shapes to this filter?
  • Suggestions for work-arounds?

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  Can't Drag or Select with Mouse
Posted by: AnimosityKate - 11-07-2017, 12:24 AM - Forum: Windows - Replies (2)

As of today I'm running into an issue where I can't drag layers or select buttons with my mouse. I can attempt to, and when I do I see that the layer is moving, but when I release nothing happens. If I click a button in the menu, it's highlighted but doesn't actually work unless I select it again with the Spacebar. I use keyboard shortcuts for a lot of things anyways, but not being able to easily move layers by dragging is a big problem. From looking online it seems other people who have had this issue found it was caused by either a plugin, or a screen capture software, but I don't use either of those. I tried uninstalling and reinstalling, but the problem is still there.

Any help would be appreciated!
Thank you.

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  Gimp 2.9.7 Spiral
Posted by: rich2005 - 11-06-2017, 04:16 PM - Forum: Gimp 2.10 - No Replies

You will find this one buried in Filters -> Render -> Pattern -> Spiral

The thing to note is it is a GEGL filter. The spiral is drawn on the canvas (In this example in a Layer mask) What you see is what you get.

As well as the dialogue sliders and little rotary dial, the shape is adjusted using those on-canvas controls. From a thin spiral of constant width to the heavy short shape shown.

[Image: t03umBa.jpg]

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  Loss of Layer Groups when Importing a PSD
Posted by: chris34 - 11-06-2017, 02:40 PM - Forum: General questions - Replies (1)

Hi all,

I've been using GIMP for a long time with PSD files and never had an issue until just yesterday. I have a PSD file with many layer groups, all of which appear just fine in PS, but that are all broken and jumbled together when loading the PSD into GIMP. What can I do?

Thanks!
Chris

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  Yet another self-descriptive animation
Posted by: Ofnuts - 11-05-2017, 11:37 PM - Forum: Gallery - Replies (2)

   

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  How To Do Very Basic Stuff?
Posted by: abrogard - 11-05-2017, 10:12 AM - Forum: General questions - Replies (21)

I need to make a page of traceable letters for children to trace over, you know? To learn to write.

We have a sample page but the letters are too big and too much space is taken up by unnecessary drawings.

So we just want to extract the letters and resize them and fill a page with them.

Simple?

So they're conveniently in two separate rectangles so all we have to do is select the rectangles and copy them over to a blank page.

Then we can resize them and then copy them over and  over until the page is full.

Trouble is we can't get past the beginning.

We select one rectangle of letters and copy it.

Then we have opened a new blank image and we go to it and paste the rectangle into it.

That works fine. Seems to.

But when we go to copy the next rectangle it just doesn't copy.  

A blank rectangle turns up.  Nothing in it.

And when we think ahead a bit and try moving the rectangle we've got around the page it doesn't move.

We're doing something wrong and this is presumably about the most basic of all things you can do - cut, copy and paste.  Move things around to fit together.

Can someone help with some instructions on what we should be doing to get this done?



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  Colour Double Exposure
Posted by: Espermaschine - 11-04-2017, 10:19 PM - Forum: General questions - Replies (8)

Anybody has an idea how to make this double exposure effect that uses (RGB) channels ?

Like here:
http://designingflicks.com/exposure-colo...ring-2.jpg

or here:
http://designingflicks.com/exposure-colo...ring-5.jpg

In the original Photoshop tutorial its done by turning off one or more of the RGB channels, but this isnt possible in Gimp for individual layers
(video: youtube.com/watch?v=FC7ldDACArM).


I tried turning off one or two channels in Gimp and then doing a 'New From Visible', using that newly created layer with a Screen Blendmode, but i was wondering if there is a better way.
The Channel Mixer perhaps ?

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Star Save for Web
Posted by: mara - 11-03-2017, 02:20 PM - Forum: Gimp 2.10 - Replies (4)

Hi! I cann not install Save for Web on Gimp 2.9.7. My OS is Ubuntu 16.04.

I tryed this with no result:


Quote:./configure

make
sudo make install


I got this message in terminal:

Quote:checking for GIMP... no

configure: error: Package requirements (gimp-2.0 >= 2.3.0 gimpui-2.0 >= 2.3.0) were not met:

Package 'gegl-0.3', required by 'gimp-2.0', not found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables GIMP_CFLAGS
and GIMP_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.

I instaled gegl, repeat and got same result.

I do not know how to solve this problem. Please, help me!

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  removing unwanted portions of selected area in an image
Posted by: pizzipie - 11-02-2017, 08:45 PM - Forum: General questions - Replies (1)

Hi,
I am trying to select the "watery" portions of an image in hopes of increasing the saturation to become more blue (another post soon). Unfortunately there are other portions of the image that are not "watery" but the same color and thus also selected. Is there a way I can eliminate these unwanted areas from the selection?

Thanks R

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  Pressed text
Posted by: Ofnuts - 11-02-2017, 08:41 PM - Forum: Tutorials and tips - Replies (14)

Edit: there is a version more suitable for Gimp 2.10 further down this thread.


A slightly more realistic effect than a plain "bump map" (even if there is still some bump-mapping). The idea is to combine bump-mapping for a nice 3D effect on the edges with a drop-shadow to give it more "depth" than is achievable with bump-mapping alone.


   

This requires manipulation in the Layers list, so keep it open (Ctr-L):

  1. Create the text in black with the text tool, and maybe adjust the canvas size around it
  2. Duplicate the text layer (icon at bottom of Layers list)
  3. Add a new layer filled with white (name it "BumpMap")
  4. In the Layers list, drag it under the top copy of the text layer
  5. Select the top copy of the text layer and Layer>Merge down. You will obtain a layer with your text on white.
  6. Filter>Blur>Gaussian blur and apply a blur of about 1/4 of the character thickness
  7. Create the "surface" by adding a new layer (call it "Bottom") and filling it with the required color (you can also use a slight radial gradient)
  8. Duplicate that layer and rename the copy to "Top" (double-click the name to edit it, [enter] when done)
  9. With "Top" selected:  Filters>Map>BumpMap.  In the "Map" selector,select the "BumpMap" layer, keep all defaults, and [OK]. Your top ayer should now have the text engraved in it.
  10. Right-click the initial text layer, and select Alpha to selection (you should have the "marching ants" running along the text outline)
  11. Make sure the Top layer is selected and hit [Delete] (or Edit>Clear). This will remove a good deal of the shadows.
  12. Select>None
  13. Filters>Light and shadows>Drop shadow:
    • Offsets: use about a third of the character thickness,
    • Blur radius: use roughly a half of the character thickness
    • Opacity 60% is OK.
  14. This creates a a new "Drop shadow" layer between top and bottom, and you can adjust the opacity with the "Opacity" slider at the top of the layers list and the offsets by moving it with the Move tool (set to "Move the active layer")
See attached XCF file (the filetype is "XCFGZ", a "compressed" XCF, but Gimp should open it directly).

You can also apply this technique with a texture, in which case the process isn't very different:

  1. Open your texture image
  2. Add the text layer
  3. Position/crop both layers
  4. Create the bumpmap layer as above
  5. Duplicate the texture layer
  6. Apply bumpmap to top layer
  7. Punch out the text on the top layer
  8. Apply drop shadow to top layer
  9. Possibly shift the bottom layer a bit so that the pattern on it is slightly offset
   



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