Sunflow 0.5

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Old 01 January 2006   #1
Sunflow 0.5

Sunflow Global Illumination Rendering System V0.5.

In action here and gallery here. I think this has a lot of potential.



Features:


  • Extensible architecture: geometric primitives, cameras, intersection accelerators, surface shaders, image filters, light sources, global and caustic photon maps, and GI engines work with user extendable types
  • All user extensible features are exposed as interfaces, making it easy to integrate into existing applications
  • Simple API for procedural scene creation
  • Direct Illumination with soft shadows from area lights
  • Adaptive sampling of area light sources
  • Quasi-Monte Carlo sampling architecture: all sampling operations are fully deterministic
  • Adaptive image anti-aliasing (over and under sampling)
  • Bucket based rendering (programmable ordering)
  • Progressive refinement rendering
  • Photon Mapping (for global illumination and caustics)
  • Caustic filtering
  • Irradiance Cache for inter-diffuse reflections
  • Path tracing for inter-diffuse reflections (with multiple bounces)
  • Texture mapping (JPG, PNG, HDR loaders)
  • Depth of field
  • Camera motion blur
  • Multi-pixel image filtering
  • Multi-threading
  • Display driver interface
  • Redirectable info/warning/error messages and rendering progress information for integration into existing applications
  • Custom scene format: basic translators exist for 3ds files and Blender
  • Output formats: HDR, PNG
  • Written 100% in Java
  • Simple Swing GUI with progressive rendering display and console.
  • Simple Swing display driver that can be embedded in other applications.
  • Primitives: triangle, disk, sphere, infinite plane, point sets (experimental), cube-grid (eg: Menger Sponge)
  • Cameras: pinhole, spherical, thinlens
  • Ray intersection acceleration schemes: kd-tree, uniform grid, bounding volumes hierarchy, null (for simple scenes)
  • Surface shaders: diffuse, mirror, glass, phong (with glossy reflections), ambient occlusion, shiny diffuse, anisotropic ward
  • Light Sources: point light, directional spotlight, triangle area light, image-based infinite area light
  • Photon mapping engines: KD-Tree and grid based
  • Image Filters: Box, Triangle, Gaussian, Blackman Harris, Catmull-Rom, Mitchell, Lanczos, Sinc
  • Bucket orderings: Hilbert, Spiral, Row, Column, Diagonal
  • Global illumination engines: irradiance caching, path tracing
  • Display drivers: Swing frame, file output
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Last edited by Fides : 01 January 2006 at 04:12 PM.
 
Old 01 January 2006   #2
nice
yet an other opensource renderer.

Look cool.
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Old 01 January 2006   #3
Cool I wonder how it works within a 3D software like Max
 
Old 01 January 2006   #4
Thanks for the plug Fides.

I'm the Sunflow developer. The project is still in early stages and not super user friendly yet. I am planning to focus on supporting open source modellers like Blender at the moment, I think that 3dsmax has more than enough renderers as it is I welcome anyone who is interested in writing a connection to commercial packages though.

Have fun everyone
 
Old 01 January 2006   #5
I have only one question...render times?
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Old 01 January 2006   #6
^ Watch the video.
 
Old 01 January 2006   #7
Originally Posted by Para: I have only one question...render times?


Well the easiest is to download the release and try the sample scenes for yourself. =) Like most raytracers, rendertimes are heavily dependent on the number of samples. The same scene can take seconds to hours by just changing sampling rates.

For reference, I think that video was recorded on a Dual Opteron 2Ghz.
 
Old 01 January 2006   #8
Originally Posted by Andyman: ^ Watch the video.


I did, seems...average. Could be a lot slower though and it certainly is a lot faster than Lightwave so...maybe I should give it a spin some time.
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Old 01 January 2006   #9
hmm interesting , java open source renderer
did have a look to the source , it seems so small
id like to reverse it to understand it!

keep on guys
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Old 01 January 2006   #10
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