Scanline algorithm - PowerPoint PPT Presentation

Graphics Pipeline Hidden Surface

Graphics Pipeline Hidden Surface. CMSC 435/634. Visibility. We can convert simple primitives to pixels/fragments How do we know which primitives (or which parts of primitives) should be visible?. Back-face Culling. Polygon is back-facing if V N &gt; 0 Assuming view is along Z (V=0,0,1)

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642 views • 43 slides

Direct Volume Rendering

Direct Volume Rendering. What is volume rendering?. Accumulate information along 1 dimension line through volume. Volume rendering vs. isosurfaces. No intermediate geometry No thresholding needed View dependent Uses all data instead of just some Fuzzy vs sharp appearance.

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455 views • 17 slides

Rendering algorithms

Rendering algorithms. Mark Nelson mjas@itu.dk. Last lecture: Wireframe projection. Wireframe -&gt; opaque. Starts the same Transform vertices to (x,y) coordinates But instead of connecting the 3 vertices, flood-fill it with a color But, how to deal with overlapping triangles?. Occlusion.

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301 views • 17 slides

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