Search found 8 matches

by tetrao
Sun Nov 26, 2017 6:28 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

Thank you, Moini, another good link !!!
by tetrao
Sun Nov 26, 2017 2:47 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

Here is another sample, on the left the picture with the 3 points and VIP and a first shape already transformed/moved and on the right a second shape for comparison : http://www.inkscapeforum.com/download/file.php
by tetrao
Sat Nov 25, 2017 8:22 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

I meant to take them as examples for writing your own extension - there doesn't seem to exist an extension / functionality of Inkscape that seems to satisfy your needs. I was showing you the way to make something that does. Then you can make it so it does it in one time, just as you need it. Thank ...
by tetrao
Sat Nov 25, 2017 6:50 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

I guess then your best bet would be to take a look at the interpolate and perspective extensions, and try to transform your drawings by indicating two triangles and an object associated with one of them (or both?). Perhaps also parts of the RealScale extension will be of use to you. They're all wri...
by tetrao
Sat Nov 25, 2017 6:24 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

Okay, so it's not necessarily 3 points, but could also be more. Have you looked at the perspective Live Path Effect? No, these 3 points we know on both picture and right shape are needed because we don't know the position of both planes ! We only know that these 3 points are in the planes (define t...
by tetrao
Sat Nov 25, 2017 2:26 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

by tetrao
Sat Nov 25, 2017 2:06 am
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Re: Changing plane using 3 points

Probably. This sounds very similar to what the Interpolate extension does (to my knowledge). Or perhaps the lattice deformation live path effect / the transform by 2 points path effect could be useful - but they don't seem to do what you need exactly. No, you need 3 points to define a plane, the pi...
by tetrao
Fri Nov 24, 2017 8:59 pm
Forum: Inkscape Ideas
Topic: Changing plane using 3 points
Replies: 12
Views: 6212

Changing plane using 3 points

I'm using Inkscape to compare insects by there venation (would call it the shape) using transformations matrix. To do that I use 3 points on the picture and the same 3 points on the shape I want to compare. How do I do ? 1. I open the picture in Inkscape. Make a triangle with 3 known points and some...

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