A Distributed Global Illumination Calculation Method Based on Photon Mapping
A global illumination and calculation method technology, applied in calculation, 3D image processing, instruments, etc., can solve problems such as inaccurate rendering results, large memory space occupied by global illumination, and rendering deviation, etc., so as to improve rendering speed and effect, and be good Global illumination effect, effect of reducing storage load
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. The present invention uses a distributed photon mapping method to jointly render a picture on a network multi-node cluster architecture, and a cpu-based cluster environment needs to be built.
[0031] The present invention first uses the master node to read the scene file for preprocessing, constructs a k-d tree, and performs photon mapping operations to simultaneously construct a global photon graph, then divides the scene information according to the segmentation plane, and distributes the global photon graph obtained by the scene geometry and mapping Stored in each slave node; after the rendering task starts, the master node controls the overall rendering process and communication timing, and the slave nodes are matched to perform parallel rendering, determine the attribution ...
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