coordinated particle tracing
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Coordinated Particle Tracing
Presenter: Chujia Wei School of Computer ScienceCarleton UniversitySupervisor: David MouldCoordinated Particle Tracing1Introduction2Stylized images
Images created by scratchboard.2Technique Particle system3Attributes such asPositionSpeedDirection
DynamicsMove according to speed and directionUpdate attributes over time
34Conventional particle system
Technique Particle tracingCreated by l. karluk
Created using Flame Painter45Parallel curvesCoordinated movement
Figures are created by scratchboard. Technique Coordinated particle tracing56
Parallel Curvesby Sol LeWitt.67Additional attributeNeighbor ID (for coordination)
Additional dynamicsCoordinate with neighborsTechnique Coordinated particle tracing7Related work8RenderBotsMulti Agent Systems for Direct Image Generation, S. Schlechtweg, T. Germer and T. Strothotte, 2005.
Artistic Tessellations by Growing Curves, H. Li and D. Mould, 2011.81. RenderBotsMulti Agent Systems for Direct Image Generation9EdgeBots.
910HatchingBots.
102. Artistic Tessellations by Growing Curves11
Figure: created by Li and Mould.11Other applications12Creating natural images/textures.
12Other applications13Example of creating mushroom gills.
13Algorithm14Basic rules Coordinated moving system
ABCD14Algorithm15Birth and death
Birth: generate new particles from an existing one.Death: merge one particle with its neighbor.15Using input images (plan)16Match tonesParticle spacing based on intensity
Created by photoshop1617
Emit particles at proper positionEmit at edges/ stipple pointsRight figure: created by Mould1718Shape objectsGradient based direction
Right figure: created by Li and Mould18References19[1] H. Li and D. Mould, Artistic Tessellations by Growing Curves, Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Non-Photorealistic Animation and Rendering, page 125-134, 2011.[2] S. Schlechtweg, T. Germer and T. Strothotte, RenderBotsMulti Agent Systems for Direct Image Generation, Computer Graphics Forum, 2005.19Thank you!
Questions?2020
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