[Bf-committers] Blender analytic drawing tool

Ounan Ding ounanding at gmail.com
Mon Feb 12 08:14:01 CET 2018

Hello everyone,

Recently I found a paper about analytic drawing [1], and then I try to
prototype it in Blender as an add-on. Here is a video of the prototype

In analytic drawing, guidelines are drawn toward vanishing points. Those
guidelines can provide perspective hints for artists.
In software such as Sketchbook [2], the analytic drawing can be applied
from their perspective tools.
But this technique is only used for 2D sketch.
By implementing paper [1] in Blender, I would like to make use of the
perspective information to generate 3D geometry.

I would like to know your opinion about this tool before I proceed:
Is it contrived? Is analytic drawing useful for modeling?

Currently the curve inference is still missing from my prototype.
But I think the concept has been proved.
For the next step, I will prototype curve inference first.
I am also thinking about integrating it into grease pencil for better user
interaction and performance.

[1]  Schmidt, Ryan, et al. "Analytic drawing of 3D scaffolds." *ACM
transactions on graphics (TOG)*. Vol. 28. No. 5. ACM, 2009.
They have a video also: http://www.rms80.com/#/analytic-drawing/


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