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  2. Normal mapping - Wikipedia

    en.wikipedia.org/wiki/Normal_mapping

    A texture map (left). The corresponding normal map in tangent space (center). The normal map applied to a sphere in object space (right). Normal map reuse is made possible by encoding maps in tangent space. The tangent space is a vector space, which is tangent to the model's surface. The coordinate system varies smoothly (based on the ...

  3. Normal (geometry) - Wikipedia

    en.wikipedia.org/wiki/Normal_(geometry)

    In geometry, a normal is an object (e.g. a line, ray, or vector) that is perpendicular to a given object. For example, the normal line to a plane curve at a given point is the line perpendicular to the tangent line to the curve at the point. A normal vector of length one is called a unit normal vector.

  4. Normal map - Wikipedia

    en.wikipedia.org/wiki/Normal_map

    Normal map may refer to: Normal mapping in 3D computer graphics; Normal invariants in mathematical surgery theory; Normal matrix in linear algebra;

  5. Normal coordinates - Wikipedia

    en.wikipedia.org/wiki/Normal_coordinates

    Normal coordinates exist on a normal neighborhood of a point p in M. A normal neighborhood U is an open subset of M such that there is a proper neighborhood V of the origin in the tangent space T p M, and exp p acts as a diffeomorphism between U and V. On a normal neighborhood U of p in M, the chart is given by:

  6. 3Dc - Wikipedia

    en.wikipedia.org/wiki/3Dc

    The target application, normal mapping, is an extension of bump mapping that simulates lighting on geometric surfaces by reading surface normals from a rectilinear grid analogous to a texture map - giving simple models the impression of increased complexity. This additional channel however increases the load on the graphics system's memory ...

  7. Normal invariant - Wikipedia

    en.wikipedia.org/wiki/Normal_invariant

    In mathematics, a normal map is a concept in geometric topology due to William Browder which is of fundamental importance in surgery theory.Given a Poincaré complex X (more geometrically a Poincaré space), a normal map on X endows the space, roughly speaking, with some of the homotopy-theoretic global structure of a closed manifold.

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  9. Reflection mapping - Wikipedia

    en.wikipedia.org/wiki/Reflection_mapping

    If normal mapping is used, each polygon has many face normals (the direction a given point on a polygon is facing), which can be used in tandem with an environment map to produce a more realistic reflection. In this case, the angle of reflection at a given point on a polygon will take the normal map into consideration.