Rendering a three-dimensional model using a dither pattern
Rendering a three-dimensional model includes obtaining a characteristic of the three-dimensional model, determining a three-dimensional dither pattern based on the characteristic, and rendering the three-dimensional model using the three-dimensional dither pattern. Determining the three-dimensional dither pattern may include selecting a number of points to make up the dither pattern and a location of the points on the three-dimensional model.
1. A method of rendering a three-dimensional model comprised of volumetric three-dimensional data, comprising:
obtaining a characteristic of a region of the three-dimensional model;
determining a three-dimensional dither pattern for the region based on the characteristic, the three-dimensional dither pattern comprising points in a volumetric region, the points being assigned values to make the dither pattern correspond to the characteristic; and
rendering a dithered version of the three-dimensional model using the three-dimensional dither pattern, wherein the dithered version of the three-dimensional model comprises plural three-dimensional dither patterns, and wherein each of the plural three-dimensional dither patterns corresponds to a non-overlapping region of the three-dimensional model.
2. The method of claim 1 , wherein determining comprises selecting a number of points to make up the three-dimensional dither pattern and a location of the points on the three-dimensional model.
3. The method of claim 1 , wherein characteristics are obtained for different regions of the three-dimensional model, the plural three-dimensional dither patterns are determined for the different regions based on characteristics for the different regions, and the three-dimensional model is rendered using the plural three-dimensional dither patterns.
4. The method of claim 1 , wherein the three-dimensional dither pattern comprises data specifying pixels to illuminate when rendering the three-dimensional model.
5. The method of claim 4 , wherein the pixels define individual points in the three-dimensional dither pattern.
6. The method of claim 1 , wherein the characteristic comprises a density of the three-dimensional model.
7. The method of claim 6 , wherein the density is obtained for a three-dimensional region of the three-dimensional model by averaging densities of sub-regions within the three-dimensional region.
8. The method of claim 1 , wherein the characteristic comprises one of a color of the three-dimensional model, a field strength in the three-dimensional model, a temperature in the three-dimensional model, and a pollution concentration in the three-dimensional model.
9. The method of claim 1 , wherein determining the three-dimensional dither pattern comprises selecting the three-dimensional dither pattern from a number of three-dimensional dither patterns stored in memory.
10. An article comprising a machine-readable medium that stores executable instructions for rendering a three-dimensional model comprised of volumetric three-dimensional data, the instructions causing a machine to:
obtain a characteristic of a region of the three-dimensional model;
determine a three-dimensional dither pattern based for the region on the characteristic, the three-dimensional dither pattern comprising points in a volumetric region, the points being assigned values to make the dither pattern correspond to the characteristic; and
render a dithered version of the three-dimensional model using the three-dimensional dither pattern, wherein the dithered version of the three-dimensional model comprises plural three-dimensional dither patterns, and wherein each of the plural three-dimensional dither patterns corresponds to a non-overlapping region of the three-dimensional model.
11. The article of claim 10 , wherein determining comprises selecting a number of points to make up the three-dimensional dither pattern and a location of the points on the three-dimensional model.
12. The article of claim 10 , wherein characteristics are obtained for different regions of the three-dimensional model, the plural three-dimensional dither patterns are determined for the different regions based on characteristics for the different regions, and the three-dimensional model is rendered using the plural three-dimensional dither patterns.
13. The article of claim 10 , wherein the three-dimensional dither pattern comprises data specifying pixels to illuminate when rendering the three-dimensional model.
14. The article of claim 13 , wherein the pixels define individual points in the three-dimensional dither pattern.
15. The article of claim 10 , wherein the characteristic comprises a density of the three-dimensional model.
16. The article of claim 15 , wherein the density is obtained for a three-dimensional region of the three-dimensional model by averaging densities of sub-regions within the three-dimensional region.
17. The article of claim 10 , wherein the characteristic comprises one of a color of the three-dimensional model, a field strength in the three-dimensional model, a temperature in the three-dimensional model, and a pollution concentration in the three-dimensional model.
18. The article of claim 10 , wherein determining the three-dimensional dither pattern comprises selecting the three-dimensional dither pattern from a number of three-dimensional dither patterns stored in memory.
19. An apparatus for rendering a three-dimensional model comprised of three-dimensional volumetric data, comprising:
a memory that-stores executable instructions; and
a processor that executes the instructions to:
obtain a characteristic of a region of the three-dimensional model;
determine a three-dimensional dither pattern for the region based on the characteristic, the three-dimensional dither pattern comprising points in a volumetric region, the points being assigned values to make the dither pattern correspond to the characteristic; and
render a dithered version of the three-dimensional model using the three-dimensional dither pattern, wherein the dithered version of the three-dimensional model comprises plural three-dimensional dither patterns, and wherein each of the plural three-dimensional dither patterns corresponds to a non-overlapping region of the three-dimensional model.
20. The apparatus of claim 19 , wherein determining comprises selecting a number of points to make up the three-dimensional dither pattern and a location of the points on the three-dimensional model.
21. The apparatus of claim 19 , wherein characteristics are obtained for different regions of the three-dimensional model, the plural three-dimensional dither patterns are determined for the different regions based on the characteristics for the different regions, and the three-dimensional model is rendered using the plural three-dimensional dither patterns.
22. The apparatus of claim 19 , wherein the three-dimensional dither pattern comprises data specifying pixels to illuminate when rendering the three-dimensional model.
23. The apparatus of claim 22 , wherein the pixels define individual points in the three-dimensional dither pattern.
24. The apparatus of claim 19 , wherein the characteristic comprises a density of the three-dimensional model.
25. The apparatus of claim 24 , wherein the density is obtained for a three-dimensional region of the three-dimensional model by averaging densities of sub-regions within the three-dimensional region.
26. The apparatus of claim 19 , wherein the characteristic comprises one of a color of the three-dimensional model, a field strength in the three-dimensional model, a temperature in the three-dimensional model, and a pollution concentration in the three-dimensional model.
27. The apparatus of claim 19 , wherein determining the three-dimensional dither pattern comprises, selecting the three-dimensional dither pattern from a number of three-dimensional dither patterns stored in memory.