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running [2018/01/24 20:30] 89.103.122.186 |
running [2018/01/28 13:32] (current) pklapetek |
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| + | There might a lot of vacuum in between of objects that we want to interact with. The default Xraytrace operation is based on following the ray path voxel by voxel. This is necessary as we want to have general voxel based objects in out computational domain. If we would be treating only analytical objects, we could use 3D analytical geometry tools to search for the boundaries and propagate ray through the vacuum in a single step. The level of generality that we want to keep is therefore a limiting factor in terms of computational demands for single ray propagation. To speedup the calculations we can assign regions in space where ray can be passing faster (as we know in advance that there are no objects). This is done via the speedup command, e.g. to set it to maximum of five voxels like here: | ||
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| + | <code> | ||
| + | SPEEDUP | ||
| + | 5 | ||
| + | </code> | ||
| + | |||
| + | {{ :speedups.png?400 |}} | ||
running.txt · Last modified: 2018/01/28 13:32 by pklapetek
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