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 Post subject: Glossy chart pie
PostPosted: Thu Jan 29, 2015 1:58 am  (#1) 
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Joined: Dec 09, 2014
Posts: 105
Location: Cologne, Germany
GLOSSY CHART PIE
a GIMP tutorial by dietmar
(adapted from a Photoshop tutorial found in the web)

Please notice:

Blue arrows/lines/etc. are not part of the image and are only intended to
clarify some technical issues!
I also recommend activating "View -> Snap to grid" for better selection
management.
I used GIMP 2.8.14 on Win7 64Bit for this, so I am not sure whether it will
work on older versions of GIMP.
And remember: Save often, perhaps with different filenames for the different
steps, to make reproducing or changing afterwards easier!

Here we go...

* Create a new image, 600x600px, with a white background.

FIRST PIECE

Basic shape:
* New transparent layer "shape1".
* Ellipse selection in the center (mine is 380x260).
* Select -> to path "ellipse".
* Select more than the lower right quarter of the ellipse with the free
select tool and subtract it from the selection.
* Select -> to path "shape1".
* Linear gradient fill from upper left to lower right of the selection with
FG #ff2d2d and BG #fd0000.
* This is what it should look like:

Image

3D effect:
* Layer effect "inner glow", default, opacity 50%.
* Merge layer group.
* Stroke selection with #831616, 1px.
* Duplicate layer and select original layer.
* Move tool on "active layer". Move layer down about 30px to create the 3D
effect. REMEMBER the move amount because you want to move all shapes with
the same values!
* This is what it should look like:

Image

Preparation for corrections:
* Layer to image size, Alpha to selection.
* Select -> To path "shape1-3d".
* Path window: "ellipse" -> Path to selection, "shape1" -> subtract from
selection. Select -> To path "shape1-del".
* Path window: "ellipse" -> Intersect with selection. "shape1-3d" ->
Intersect with selection.
* This is what it should look like:

Image

* With the free select tool, add two triangles left and right to the
selection and Select -> To path "shape1-inner". (You may need to increase
the view zoom factor to max to get this as most accurate as possible.)
* This is what it should look like:

Image

Corrections:
* New transparent layer "shape1-corr" on top of all layers.
* Apply the same FG to BG linear gradient as above.
* Layer effect "inner glow", default, this time opacity 25%.
* Merge layer group.
* Stroke selection with #831616, 1px.
* This is what it should look like:

Image

* Notice the errors in the left and right edges of your shape and also the
missing vertical "line" in the middle of it? Therefore, it's now time
for some handwork... correct these with use of your favourite tools, e.g.
pencil tool, eraser, perhaps with help of color picker, to correct this.
* This is what it should look like:

Image

Gloss effect:
* "shape1" -> Path to selection.
* Select the shape1-copy layer.
* Select -> Shrink, 2px.
* Select -> To path "shape1-shrink".
* Create a new transparent layer "shape1-gloss" on top of all layers.
* Drag a FG (#ffffff) to transparent linear gradient like you did before, but
only about half as long. Set the opacity of the layer to 50%. You will have
to play with this a bit, until you are satisfied.
* This is what it should look like:

Image

Glitter effect:
* New transparent layer "shape1-glitter".
* Path window: "shape1" -> Path to selection. "shape1-shrink" -> Subtract
from selection.
* See the following picture:

Image

* At the 1, 2, 3 and 4 marks, drag and drop a radial gradient, FG (#ffffff)
to transparent. Increase zoom view to max and drag just from the outer of
the selection to the inner about 40px long (see directions in the picture).
This will simulate a glitter effect and is a possible equivalent I found
to the photoshop "stroke with burn" function ;)
* This is what it should look like:

Image

* Merge down all shape layers to one single layer.

You have successfully created the first piece!

SECOND PIECE

Basic shape:
* New transparent layer "shape2".
* "shape1-del" -> Path to selection.
* Select a lower part of the shape with the free select tool and subtract it
from the selection.
* Select -> to path "shape2".
* Linear gradient fill from upper left to lower right of the selection with
FG #24cc24 and BG #00aa00.
* This is what it should look like:

Image

3D effect:
* Layer effect "inner glow", default, opacity 50%.
* Merge layer group.
* Stroke selection with #126912, 1px.
* Duplicate layer and select original layer.
* Move tool on "active layer". Move layer down about 30px (the same value as
used in shape1!) to create the 3D effect.
* This is what it should look like:

Image

Preparation for corrections:
* Layer to image size, Alpha to selection.
* Select -> To path "shape2-3d".
* Path window: "ellipse" -> Path to selection. Move selection down about 30px
(the same value as used in shape1!). Select -> To path "ellipse-3d".
* Path window: "ellipse" -> Subtract from selection.
* You may want to hide the shape1 layer.
* This is what it should look like:

Image

* With the rectangle select tool, subtract the "noses" left and right from
the selection and Select -> To path "shape2-inner". (You may need to
increase the view zoom factor to max to get this as most accurate as
possible.)
* This is what it should look like:

Image

Corrections:
* New transparent layer "shape2-corr" on top of all layers..
* Apply the same FG to BG linear gradient as above.
* Layer effect "inner glow", default, this time opacity 25%.
* Merge layer group.
* Stroke selection with #126912, 1px.
* Correct some possible pixel errors "by hand" as above.
* This is what it should look like:

Image

Gloss effect:
* "shape2" -> Path to selection.
* Select the shape2-copy layer.
* Select -> Shrink, 2px.
* Select -> To path "shape2-shrink".
* Create a new transparent layer "shape2-gloss" on top of all layers.
* Drag a FG (#ffffff) to transparent linear gradient like you did before, but
only about half as long. Set the opacity of the layer to 50%. You will have
to play with this a bit, until you are satisfied.

Glitter effect:
* New transparent layer "shape1-glitter".
* Path window: "shape2" -> Path to selection. "shape2-shrink" -> Subtract
from selection.
* See the following picture:

Image

* At the 1, 2 and 3 marks, drag and drop a radial gradient, FG (#ffffff)
to transparent. Increase zoom view to max and drag just from the outer of
the selection to the inner about 40px long (see directions in the picture).
This will simulate a glitter effect and is a possible equivalent I found
to the photoshop "stroke with burn" function ;)
* This is what it should look like:

Image

* Merge down all shape layers to one single layer.

You have successfully created the second piece!

THIRD PIECE

Basic shape:
* New transparent layer "shape3".
* Path window: "ellipse" -> Path to selection. "shape1" -> Subtract from
selection. "shape2" -> Subtract from selection.
* Select -> to path "shape3".
* Linear gradient fill from upper left to lower right of the selection with
FG #ffdb2d and BG #d4b000.
* This is what it should look like:

Image

3D effect:
* Layer effect "inner glow", default, opacity 50%.
* Merge layer group.
* Stroke selection with #837117, 1px.
* Duplicate layer and select original layer.
* Move tool on "active layer". Move layer down about 30px (the same value as
used in shape1!) to create the 3D effect.
* This is what it should look like:

Image

Preparation for corrections:
* Layer to image size, Alpha to selection.
* Select -> To path "shape3-3d".
* Path window: "shape3" -> Subtract from selection.
* You may want to hide the shape1 and shape2 layer.
* This is what it should look like:

Image

* With the free select tool, add the missing part on the left of
the selection and subtract the "noses" on the left. Select -> To path
"shape3-inner". (You may need to increase the view zoom factor to max
to get this as most accurate as possible.)
* This is what it should look like:

Image

Corrections:
* New transparent layer "shape3-corr" on top of all layers..
* Apply the same FG to BG gradient as above.
* Layer effect "inner glow", default, this time opacity 25%.
* Merge layer group.
* Stroke selection with #126912, 1px.
* Add the vertical line in the middle.
* Correct some possible pixel errors "by hand" as above.
* This is what it should look like:

Image

Gloss effect:
* "shape3" -> Path to selection.
* Select the shape3-copy layer.
* Select -> Shrink, 2px.
* Select -> To path "shape3-shrink".
* Create a new transparent layer "shape3-gloss" on top of all layers.
* Drag a FG (#ffffff) to transparent linear gradient like you did before, but
only about half as long. Set the opacity of the layer to 50%. You will have
to play with this a bit, until you are satisfied.
* This is what it should look like:

Image

Glitter effect:
* New transparent layer "shape3-glitter".
* Path window: "shape3" -> Path to selection. "shape3-shrink" -> Subtract
from selection.
* See the following picture:

Image

* At the 1, 2 and 3 marks, drag and drop a radial gradient, FG (#ffffff)
to transparent. Increase zoom view to max and drag just from the outer of
the selection to the inner about 40px long (see directions in the picture).
This will simulate a glitter effect and is a possible equivalent I found
to the photoshop "stroke with burn" function ;)
* This is what it should look like:

Image

* Merge down all shape layers to one single layer.

You have successfully created the third piece!

FINAL STEPS

* Unhide all 3 shape layers.
* Move the shape3 layer under shape2 layer.
* Move the shape2 layer a bit down and right.
* Move the shape3 layer a bit right and down.
* This is what it should look like:

Image

DONE!

Congratulations, you have successfully completed the tutorial! Now it would
be a wise decision to save your work under a new name for later changes or
whatever.

If you find any errors or something I could improve, feel free to comment!

dietmar

_________________
Graphics: GIMP 2.8.14 on Win7 64Bit
Screenshots: GreenShot
Color Picker: PicPick
Palette Helper: paletton.com


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 Post subject: Re: Glossy chart pie
PostPosted: Thu Jan 29, 2015 11:51 am  (#2) 
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Joined: Nov 16, 2011
Posts: 5128
Location: Metro Vancouver, BC
Another nice one dietmar. :bigthup

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 Post subject: Re: Glossy chart pie
PostPosted: Thu Jan 29, 2015 12:15 pm  (#3) 
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Joined: Aug 28, 2012
Posts: 3062
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I can see some people getting a good use out of this! Nice work! :3

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 Post subject: Re: Glossy chart pie
PostPosted: Thu Jan 29, 2015 1:01 pm  (#4) 
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Joined: May 22, 2008
Posts: 6947
Location: Somewhere in GIMP
Very nice! :bigthup

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 Post subject: Re: Glossy chart pie
PostPosted: Fri Jan 30, 2015 1:14 am  (#5) 
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Joined: Aug 30, 2012
Posts: 2174
Nice tutorial, this would make a nice script if you where able to enter the amount of segments and sizes.

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