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TIPS, TESTS, INSIGHTS AROUND DIGITAL PAINTING
#FrescoGIMP
I have accomplished a list of my posts to digital painting with #GIMP, during 2014~15 .
Many posts, are only images with some notes about the in progress about brushes, paint dynamics or some tip to use different tools paint of the GIMP in another way.
I am not sure but, many things in these tests are free insights to use in another applications and not only on GIMP.
Many insights must be credited also to other persons... because are stuff of discussion with +gustavo deveze; +Ľubomír Zabadal; and +Mozart Couto mainly.

Wiki page to improve GIMP to Graphic Arts in General:
gui.gimp.org/index.php/Topics_to_Digital_Painting_with_GIMP

1 - Paint dynamics and Brushes:
https://plus.google.com/+AmericoGobbo/posts/DEAnQueU8i2
https://plus.google.com/+AmericoGobbo/posts/1d9eVg7uHWJ
https://plus.google.com/+AmericoGobbo/posts/2VNVZL7aiVc
https://plus.google.com/+AmericoGobbo/posts/PNEttgHENZj
https://plus.google.com/+AmericoGobbo/posts/SChQ9qnzvyj [short howto around impasto]
https://plus.google.com/+AmericoGobbo/posts/CPnpjb5epbn
https://plus.google.com/+AmericoGobbo/posts/PcaM1fjbrgi
https://plus.google.com/+AmericoGobbo/posts/QtyMaVkWFaq [glazing]
https://plus.google.com/+AmericoGobbo/posts/YpGphcvJ9rA

2 - Accidental forms series - Wet over wet painting:
https://plus.google.com/+AmericoGobbo/posts/LjjinvWAF8W [video]
https://plus.google.com/+AmericoGobbo/posts/jbsqTTTUm1x
https://plus.google.com/+AmericoGobbo/posts/CmQJj2JPmMZ
https://plus.google.com/+AmericoGobbo/posts/5FPmeFJsTTP

3 - Paint dynamic tests to Wet over wet painting techniques, other techniques and brush studies (design):
https://plus.google.com/+AmericoGobbo/posts/EvLkSJPZAnv
https://plus.google.com/+AmericoGobbo/posts/Jky88efkBpN
https://plus.google.com/+AmericoGobbo/posts/2VNVZL7aiVc
https://plus.google.com/+AmericoGobbo/posts/BGHmfLNBovS
https://plus.google.com/+AmericoGobbo/posts/3oaNN2A51yD
https://plus.google.com/+AmericoGobbo/posts/W37xaufL5SW
https://plus.google.com/+AmericoGobbo/posts/AHyKs8W99k8 [tempera and around]
https://plus.google.com/+AmericoGobbo/posts/dE9NNojwQfd [hairy and around]
https://plus.google.com/+AmericoGobbo/posts/6KT2jHHaYgt
https://plus.google.com/+AmericoGobbo/posts/HCLoUYGNFDe
https://plus.google.com/+AmericoGobbo/posts/jGRs3kQbrLg
https://plus.google.com/+AmericoGobbo/posts/VR28JYYEij3
https://plus.google.com/+AmericoGobbo/posts/QCM5Tgqh5aM
https://plus.google.com/+AmericoGobbo/posts/bZekLV9DNtW
https://plus.google.com/+AmericoGobbo/posts/LfnJ34pPTaf
https://plus.google.com/+AmericoGobbo/posts/hViicH8QgEA

4 - Textures -- some methods (howto):
https://plus.google.com/+AmericoGobbo/posts/NCrQPevfKyc
https://plus.google.com/+AmericoGobbo/posts/LYJ4URFNrv3
https://plus.google.com/+AmericoGobbo/posts/5FawzTqG15z
https://plus.google.com/+AmericoGobbo/posts/EtqzRMRPDmU
https://plus.google.com/+AmericoGobbo/posts/hT4iSRqSVWP

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The best way to determine where to install any Scripts, Plug-Ins, or other assets is to use the correct Folders (or add custom ones!). Learn about it (along with other tutorials) on the website!

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Two Threes
Improving the method to add texture on brushes with Compositing Mode on GIMP 2.9.5 (last git master, commit 9fd139e).
#FrescoGIMP
The idea is to use different textures... for instance, in this sample I have used a canvas texture as general background... and on the brush I have used a combination of textures... where is possible to see other qualities... for instance, cover completely the canvas background with a opaque tint... but yet is possible to see something of background canvas.
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A video to explain a bit how to use source-in (compositing mode) on GIMP 2.9.5 (last git master) to add texture quality on the brushes.
#FrescoGIMP

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Lands Improvisations with Compositing Mode | GIMP Git Master (last commit). #FrescoGIMP
Another sample where is possible to see better the effect of texture on the brush applied via Compositing Mode (source in).
The white canvas has a pattern of a paper watercolor.... instead the brush is using a pattern similar an Ingres paper.
Is more effective to have, also, a layer mask together the pattern used by the brush.

Photo

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Votez pour "GIMP Motion" pour le prix de l'initiative numérique!
Cela nous permettra de gagner le prix du public et de mettre en avant le logiciel Libre. Cela contribue au développement de +GIMP et aide la réalisation du film Libre +ZeMarmot, film sous licence +Creative Commons by-sa.
Merci!
http://www.prixnumeriqueaudiens.org/projet-QQW4V7KB

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Lands Improvisations
Working with Compositing and Blend modes on GIMP 2.9.5 (last git master) to explore the possibilities of the compositing to add textures on brushes.
#FrescoGIMP

I have used this layer stack:
Group (Multiply)
\_Source-in (painting layer)
\_Destination-auto (texture 1, Multiply)
\_Destination-auto (texture 2, Normal)
White background (layer mask with a texture3 as paper)

So, while you are painting on Source-in layer... the brush feels only the texture1 and texture2, these textures are seen after the you paint... because the Source-in compositing mode is enabled on painting layer. Texture 3 is seen as general or basic texture all the brush stains.

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Il Viale dei Cipressi di Carducci ...
I don't know personally, but this boulevard is famous because an Italian poet, Carducci... Always, Anna reminded me :-)

In this imaginative exercise... I have used grays on transparent layer... the blend was Hard Mix, always, to grays and colors details.
Over the layer stack I had a layer with LCH noise applied on ~50% gray and blend mode Hard Mix, too.

So, the effect is very good for me... less complications, more fun :-).
#FrescoGIMP
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Cezanne's apple and shape
GIMP Git Master, the last update, is already able to work with 'all' blend modes on paint-tools and over also over transparent layers. This opens new possibilities to painting's tasks, tool presets and emerging features to digital painting in general.

In this 'informal' painting, I have used many of these blends directly on the paint-tools testing many of my old tool presets and paint-dynamics thought to wet techniques. Soon, I will realize other of my landscapes improvisations... ;-)

Now on the GIMP, we have also Hard Mix blend mode, I tested it an unusual way to resolve the ink pigment points, small points saturated, that have a random behavior over the paper (rectangle on bottom image... where I added other layers, to increase or modify the some light/shadows parts).

I am happy with these tests, because now is more intuitive, is easygoing to use and usage to rendering vibrant images happens in a fast and fun way.
#FrescoGIMP

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Landscape improvisations
Experimentation with blend modes on paint tools and transparent layers on GIMP Git Master.
I am working to understand how is possible to use this feature directly on paint tools... and is very fun and easy obtain fantastic effects.
#FrescoGIMP
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