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Thread: Golden ratio

  1. #1

    Golden ratio

    Golden ratio

    The golden rectangle and the golden spiral have been used throughout history for art and architecture. You can now make your own golden ratio grids.

    Save the three images below and follow the instructions to create your own golden ratio grids.

    -fugu

    ========

    Golden rectangle
    Name:  Golden Rectangle.png
Views: 7680
Size:  2.0 KB

    Golden Spiral (clockwise)
    Name:  Golden Spiral 2.png
Views: 13724
Size:  16.4 KB

    Golden Spiral (counter clockwise)
    Name:  Golden Spiral 1.png
Views: 23767
Size:  8.8 KB

    ========

    Launch ArtRage

    Click File>Import Image File

    Select one of the golden ratio files from above.

    Click on the Selection tool or Click on Tools>Select Tool>Selection

    Select Magic Wand

    Select Mode = Replace

    Click a section of the white area

    Press the Delete key or click Edit>Clear

    Do this for all the white space. You should see something like the image below.

    Name:  Make transparent.jpg
Views: 3347
Size:  51.5 KB

    Click File>Save Painting

    Give the painting a nice name

    ========

    Now when you want to use the golden ratio girds, do the following.

    Click File>Import Image File to Layer

    Select the golden ratio painting you just saved

    The golden ratio file will be on a separate layer. Make sure you don't paint on that layer.

    The layer can be rotated and scaled, but don't stretch them. That would change the golden ratio.
    Last edited by fugu-guy; 08-29-2011 at 12:12 AM. Reason: Needed to add additional information.

  2. #2
    Join Date
    Aug 2011
    Location
    Australia
    Posts
    618
    Excellent! and great instructions. Grabbed and noted. Thank you!

    Edit:

    The layer can be rotated and scaled, but don't stretch them. That would change the golden ratio.

    If we can't stretch them, can we paint on anything bigger than a 300x canvas, the size of these images?
    Last edited by hildee; 08-30-2011 at 06:34 PM.

  3. #3
    hildee:
    You can paint things bigger or smaller than the size of the original golden ratio image. You just need to scale the golden ratio image to whatever size you need. Make sure you grab the handles on the corners to make it scale horizontal and vertical at the same time.

    What you don't want to do is stretch or shrink from side to side or up and down. An example is in the image below.

    The workspace is 800x600. The original golden spiral is on at the top of the workspace. The stretched golden spiral is at under the original golden spiral.

    -fugu

    Name:  Stretched.jpg
Views: 3109
Size:  47.0 KB

  4. #4
    Join Date
    Oct 2008
    Location
    India
    Posts
    1,559
    Thanks! Quite useful!
    The artist is the lover of Nature, therefore he is her slave and her master. - Rabindranth Tagore

  5. #5
    Join Date
    Aug 2011
    Location
    Australia
    Posts
    618
    Thanks for explaining fugu!

  6. #6
    Join Date
    Jan 2007
    Location
    South Africa
    Posts
    107

    Stencils

    I made Stencils of these.
    ''The Past does not equal the future'' Anthony Robbins

  7. #7
    Great idea. Thank you!

  8. #8
    Join Date
    Oct 2016
    Posts
    1
    Quote Originally Posted by hildee View Post
    Excellent! and great instructions. Grabbed and noted. Thank you!

    If we can't stretch them, can we paint on anything bigger than a 300x canvas, the size of these images?

    Excellent post Fugu, I love it when maths and art are combined.
    Last edited by Ozbourne; 02-04-2020 at 12:36 AM.

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