I suddenly realised that there was a relatively painless way to create concentric patterns with the PSCRSW filter.
Step 1:
Start a new square image and add your background colour.
Step 2:
Create your
walk path as a diagonal.
Step 3:
Create a simple copy path near the top or middle of the image.
Click on another tool to leave path mode - or press hotkey M for the Move tool.
Hide the path by clicking on the eye in the paths tool dock.
Step 4:
Call up PSCRSW.
Set the Rotation angle option to 15.
Set the Force full revolutions option to 'Yes'.
Set the Number of repeats along
walk path option to 1.
Click on OK
Below: Copy Path image on the left - Filter output on the right.
Attachment:
06_path and pattern.jpg [ 49.94 KiB | Viewed 3738 times ]
Step 5:
Duplicate the copy path in the paths tab list and make it visible.
Press hotkey B to enter path mode and click over the duplicated path to reveal the path anchors.
Click to add a new point to the duplicated path (see the image below).
Hide the path by clicking on the eye in the paths tool dock and press hotkey M for the Move tool to leave path mode.
Call up PSCRSW.
Change the Rotation angle option to 10.
Click on OK
Below: Duplicated Path with point image on the left - Filter output on the right.
Attachment:
07_path and pattern.jpg [ 103 KiB | Viewed 3738 times ]
Step 6:
Repeat the process...
Duplicate the original copy path in the paths tab list and make it visible.
Press hotkey B to enter path mode and click over the duplicated path to reveal the path anchors.
Click to add a new point to the duplicated path but move it further away from the body of the main path than last time (see the image below).
Hide the path by clicking on the eye in the paths tool dock and press hotkey M for the Move tool to leave path mode.
Call up PSCRSW.
Change the Rotation angle option to 5.
Click on OK
Below: Duplicated Path with point image on the left - Filter output on the right.
Attachment:
08_path and pattern.jpg [ 192.63 KiB | Viewed 3738 times ]
If you want to be more precise you could use grid points to help with the spacing and if you want to keep going you could always zoom out and place a new point off the canvas.
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"Let no one steal your dreams."
Paul Cookson
Latest plug-in update: Paragrapher v.1.4
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