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Perspective transform revisited
#19
(11-11-2020, 06:16 AM)Ottia Tuota Wrote: I think you got it right. I guess you chose from the original distorted circle 4 points that should (after correction) be at points 12,3,6,9 on a clock face, and then you ran the plugin with the defaults (hours 12,3,6,9).

You are correct, that was my approach.
I basically ran the plugin without changing the default settings, I just provided the requested path as the starting position.

(11-11-2020, 06:16 AM)Ottia Tuota Wrote: I am becoming very aware of that it is difficult to formulate and explain such plugins so that they would be easy to understand and use. When I have been pondering and pondering a problem for a long time, everything becomes so clear in my mind that I just cannot imagine what it looks like for somebody who sees it for the first time. Also, I develop fixed ideas and can no longer see other points of view. So, any suggestions for making things clearer are always welcome.

It is common to find tutorials in which the following steps are not self-explanatory, but in the author's mind everything seems simple and clear. But in this case it seems to me that the explained way of using the plugin was very detailed.

The difficulty lies in choosing points A0, A1, A2 and A3. Due to distortion of the original image, this choice will not always be easy, especially if the distortion of the image occurs on the X and Y axes. (Or x, y, z).

Thanks for the update!
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Messages In This Thread
Perspective transform revisited - by Ottia Tuota - 10-28-2020, 05:11 PM
RE: Perspective transform revisited - by Krikor - 10-28-2020, 07:04 PM
RE: Perspective transform revisited - by denzjos - 10-29-2020, 05:15 PM
RE: Perspective transform revisited - by Blighty - 11-03-2020, 11:16 AM
RE: Perspective transform revisited - by Krikor - 11-03-2020, 02:12 PM
RE: Perspective transform revisited - by denzjos - 11-05-2020, 04:40 PM
RE: Perspective transform revisited - by Krikor - 11-05-2020, 06:04 PM
RE: Perspective transform revisited - by denzjos - 11-06-2020, 09:10 AM
RE: Perspective transform revisited - by Krikor - 11-10-2020, 09:04 PM
RE: Perspective transform revisited - by Krikor - 11-11-2020, 12:50 PM
RE: Perspective transform revisited - by akovia - 11-16-2020, 06:11 PM
RE: Perspective transform revisited - by Krikor - 12-01-2020, 12:45 PM
RE: Perspective transform revisited - by denzjos - 12-03-2020, 02:17 PM
RE: Perspective transform revisited - by denzjos - 12-03-2020, 05:42 PM
RE: Perspective transform revisited - by denzjos - 12-04-2020, 08:58 AM
RE: Perspective transform revisited - by Krikor - 12-05-2020, 07:06 PM
RE: Perspective transform revisited - by denzjos - 12-06-2020, 12:02 PM

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