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  Trouble using my trackpad/mouse in conjunction with Wacom tablet
Posted by: stevobee - 10-18-2018, 12:39 AM - Forum: OSX - Replies (2)

Hi there,

I installed Gimp 2.0.4, then added my Wacom tablet as an input device, on a Mac with OSX Yosemite, 10.10.5. My problem is that I can't control my stylus options through my laptop's trackpad. If I select a tool or change the settings for a tool with my trackpad, it changes the tool and its settings for the trackpad, and not for the Wacom stylus ("Core Pointer" must be what Gimp calls a given computer's default trackpad or mouse pointer). So if the tablet's stylus is selected as a Paintbrush tool, I can't change paint colors for the stylus with my trackpad--the only way I can change paint color for the stylus is if I use the stylus itself to point-and-click through the dialog menus. This is really difficult and frustrating because I keep accidentally tapping unintended icons or changing slider settings as I hover my stylus just above the surface of my tablet to tap on whichever item in whichever toolbox I'm actually trying to select.

I've noticed that in some tutorials for setting up a Wacom tablet in Gimp, the "Configure Input Devices" window lists the tablet devices as "WACOM Tablet Eraser" and "WACOM Tablet Pressure Stylus". In others tutorials, the tablet devices listed are Quartz Cursor, Quartz Eraser, and Quartz Pen. If it makes any difference, Gimp lists them on my machine by the "Quartz" names. I tried closing Gimp and reopening the whole program with the Stylus tip as my "pointer" instead of the trackpad, as someone online had recommended, but this did not change the listed input devices from "Quartz" to "WACOM". I've tried toggling the devices on and off one by one (Core Pointer (trackpad), the Quwartz Cursor, Quartz Eraser, and Quartz Pen) through Gimp's Input Devices window, and no sequence I've tried seems to work. I've read about some users' pressure sensitivity not working in Gimp, but mine works just fine.

My tablet has a "touch" option where if I use my fingers on it, it works like a giant trackpad. Strangely, using this touch mode doesn't change the stylus's settings either; it only changes the tools for the laptop's trackpad. I uninstalled Gimp 2.0.4 today and installed 2.0.6 and that didn't make a difference. What might be going on here? Any help would be greatly appreciated!

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  XMP Metadata Missing!
Posted by: ajax - 10-17-2018, 08:08 PM - Forum: General questions - Replies (7)

Using GIMP 2.10.x (x=2,4,6) on Windows 7 exported images contain NO xmp metadata.  This is true even though said metadata can be seen to be present using Image>Metadata>View Metadata.  Also, true even tough the Advanced Option indicating whether or not to export XMP metadata is checked.  Seems to be true for both tif and jpg exports.  At the same time GIMP 2.10.x seems to be doing a good job of preserving the EXIF metadata when photographic images are exported.

While GIMP has a reputation for handling metadata poorly it looks like GIMP 2.10.x has gotten better and is close to doing a good job of preserving the metadata contained in an original photograph, which is extremely desirable.

Having noticed that GIMP seems to have imported the questionable metadata from the image and allows it to be viewed it seems like retaining it in an exported image shouldn't be that difficult.

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  Compression on saving
Posted by: Bill Martz - 10-17-2018, 05:41 PM - Forum: General questions - Replies (1)

There is an option when saving: Save this XCF file with better but slower compression. I have found that this does not slow the process down enough to bother me, and am wondering if there is a way to set GIMP so that this always takes place, IOW, as default?

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  gimp-temp-160960.exr in GIMP\2.10\tmp
Posted by: Bill Martz - 10-17-2018, 05:08 PM - Forum: General questions - Replies (2)

gimp-temp-160960.exr in GIMP\2.10\tmp is 232 MB. Since that is a temporary folder, why has that file not been deleted when GIMP was closed? Can it be manually deleted, especially since I have changed my tmp file to another drive?

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  Can't edit anymore
Posted by: DynV - 10-16-2018, 11:34 PM - Forum: Gimp-Forum.net - Replies (12)

I don't know what happened but I can't edit my posts anymore.

If the change is permanent, would someone edit and prepend the OP title with "[solved ".

Thank you

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  Look ma, no plugins: the "Freaky details" effects, using of-the-shelf Gimp 2.10
Posted by: Ofnuts - 10-16-2018, 09:30 PM - Forum: Tutorials and tips - Replies (11)

The "Freaky Details" effect has been around for a while(*), but it requires a "Vivid light" layer blend mode that was not available in 2.8 (until it was added in GMIC, but not everyone uses it). Since "Vivid light" has been added in 2.10 there is now everything we need.

The effect is quickly done:

  • Make two copies of your original image (three layers total)
  • Color>Invert the top layer
  • Filters>Blur>Selective Gaussian blur the top layer (radius around 5 px, max delta around 0.2)
  • Add a layer group at the top, and move the top two layers in it
  • Set the color-inverted layer to Vivid light mode
  • Set the layer group to Overlay mode
Your layer stack should look like this:

   

You can adjust the effect by playing with the opacity of the layer group or the inverted layer. You can also compare the before/after images by toggling the visibility of the layer group.

Even better: once you have  values for the opacities of the layers and group, undo everything, up to and including the blur, set the layer and group opacities (this should give you the initial image) and then apply the blur. Since the blur is applied in real time to the layer, you can adjust the crispiness of the final image using the blur radius cursor.



(*) See Pat David's excellent tutorial on pixls.us from which this one derives.

The Before/after samples:



Attached Files Thumbnail(s)
       
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  Lost power and can't retrieve the original data
Posted by: DynV - 10-16-2018, 07:25 PM - Forum: General questions - Replies (3)

Hello,

A playable character in a game was about to move so I took numerous screenshots then took the action then when I was about to save the file containing the screenshots, the power went out and I didn't have a Uninterruptible power supply (UPS) so couldn't do so. Now that the move is done, I cannot go back to retrieve the original data in-game.

I thought there might have been a temporary file for GIMP but I can't find anything large enough in %AppData%\GIMP\2.10 nor its sub-directories tmp nor backups.

Is there any way I can retrieve any version of the file I was working on? It doesn't need to be what it was when the power went out, it can be 2/3 - 1/2 (the earlier the less it contained).

Thank you kindly

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  Lasso tool not working
Posted by: survivor686 - 10-16-2018, 02:23 PM - Forum: General questions - Replies (5)

Hello all,

Context: Am attempting to copy pixels from one layer to a new layer. To do this, with prior versions of GIMP, I would use the lasso tool in the original layer, select the pixels I want, hit the copy button and then paste to a new layer.

Problem: After upgrading to the new Gimp, the lasso tool no longer works. The pixels I selected lack the original 'glowing outline' and when I try to copy and paste the pixels in question, the ENTIRE layer is copied instead.

This is very frustrating, more so given that it is a basic function that worked great on prior versions of Gimp. I've tried resetting the toobox to default values, but that doesn't change anything.

I would welcome any assistance in this regards.

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  Gimp 2.10.6 exports lousy images - what?
Posted by: jack_cat - 10-16-2018, 03:36 AM - Forum: Gimp 2.10 - No Replies

Edit: I think I have solved this by increasing the compression on the export. Sorry to bug you all. If I still have a problem by tomorrow I'll be back... otherwise don't worry about it, thanks.

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  Feature request
Posted by: dbuske - 10-15-2018, 11:09 AM - Forum: Gimp 2.10 - Replies (11)

Add the ability to make the cursor a color for greater visibility.
Sometimes it is hard to see. Smile

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