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2. 3D projection - Wikipedia

   en.wikipedia.org/wiki/3D_projection

   A 3D projection (or graphical projection) is a design technique used to display a three-dimensional (3D) object on a two-dimensional (2D) surface. These projections rely on visual perspective and aspect analysis to project a complex object for viewing capability on a simpler plane.

3. Projection mapping - Wikipedia

   en.wikipedia.org/wiki/Projection_mapping

   Projection mapping, similar to video mapping and spatial augmented reality, is a projection technique [1] [2] used to turn objects, often irregularly shaped, into display surfaces for video projection. The objects may be complex industrial landscapes, such as buildings, small indoor objects, or theatrical stages.

4. Oblique projection - Wikipedia

   en.wikipedia.org/wiki/Oblique_projection

   Oblique projection is a simple type of technical drawing of graphical projection used for producing two-dimensional (2D) images of three-dimensional (3D) objects. The objects are not in perspective and so do not correspond to any view of an object that can be obtained in practice, but the technique yields somewhat convincing and useful results.

5. Planar projection - Wikipedia

   en.wikipedia.org/wiki/Planar_projection

   Planar projections are the subset of 3D graphical projections constructed by linearly mapping points in three-dimensional space to points on a two-dimensional projection plane. The projected point on the plane is chosen such that it is collinear with the corresponding three-dimensional point and the centre of projection .

6. Projection augmented model - Wikipedia

   en.wikipedia.org/wiki/Projection_augmented_model

   Figure 2 The Projection Augmented model concept. A projection augmented model (PA model) consists of a physical three-dimensional model, onto which a computer image is projected to create a realistic looking object (Figure 2). Importantly, the physical model is the same geometric shape as the object that the PA model depicts.

7. Orthographic projection - Wikipedia

   en.wikipedia.org/wiki/Orthographic_projection

   Orthographic projection (also orthogonal projection and analemma) [a] is a means of representing three-dimensional objects in two dimensions.Orthographic projection is a form of parallel projection in which all the projection lines are orthogonal to the projection plane, [2] resulting in every plane of the scene appearing in affine transformation on the viewing surface.