markstock / dla-nd Goto Github PK

Hi,

I am interested in the DLA simulation and find your code very helpful to understand the DLA. However, I just cannot understand how the bulk motion algorithm in your code:

rad^2 = ( v*dt + sdev*(\sqrt{dt}) )^2,

and why not let:

rad^2 = ( v*dt + sdev*dt )^2.

I just do not understand why we need a numeric root-finder \sqrt{dt} here. Could you provide some explanations?

Thank you,
sunningzh

I've got some friends interested in Lichtenberg Patterns as used in creating inlays using V carving on CNC router machines. Currently we're relying on finding SVG files so I started looking for anything which might be able to create a simulated pattern and heard that it might be possible to get a similar pattern with Diffusion Limited Aggregation.

Would you have tried this with your dla-nd tool or have hints which options might get there?

Best I can get so far but still not there:
./dla-2d -p 0 0 -every 1000 -end 1000 -zone -2 2 -2 2 -dens -res 1000 -stick 1.5 -grip 0.7 -vel 500 1 -pen 0.1001 -stub 115.5 -rotex 5 0.0

Examples: https://www.instructables.com/Lichtenberg-Pattern-on-a-CNC/
Thanks.