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With the loss of BMRT(RIP) many were left with no replacement as a renderman compliant render engine. Aqsis is one effort to fix that.
It's Features include: Compatiblity with the RenderMan Interface, RenderMan shading language for shaders, RIB or direct linkage for scenes.
REYES - based, High speed, Very low memory consumption, High-quality anti-aliasing, Fast 3D motion blur with support for arbitrary number of motion samples, True sub-pixel displacements, Efficient handling of NURBS and subdivision surfaces, Occlusion culling.
Rich geometry support, NURBS, Subdivision surfaces with creases, Polygons, Curves, Points, Quadrics, Full support for CSG.
Programmable shading, Support for light, surface, displacement, atmosphere and imager shaders, Support for DSO shadeops, Arbitrary output variables, Built-in baking functions.
Procedural primitives, Ri to RIB library, Support for all procedural primitives.
Ambient occlusion, Depth map based ambient occlusion.
External resources, Support for a wide range of image formats, including JPEG, GIF, PNG, Direct rendering of non-mipmapped textures.
Other features include, Soft shadows, Fractional matte objects, Level of detail, HDRI image support, Floating-point TIFF output, MtoR and Alfred compatibility
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JawRay,
An experimental raytracer written in C++
Images are generated by following rays of light recursively through the scene, calculating shades and lighting contributions and recording the final color. Raytracing produces very
realistic images for scenes that contain few diffuse but many reflective objects.
Current Features
shadows
arbitrary-depth reflections
adaptive reflection depth control
phong shading (specular highlights and diffuse lighting)
unlimited number of light sources
colored lighting
phong shaded environment texture mapping
bi-linear texture filtering
.PCX texture file reader
True-Color .TGA output
primitives: spheres, planes, cylinders, triangles
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