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Basic Tests - Producing Polygon Surface
A few basic tests that must be performed before producing a polygon surface through any graphic package as:
1) All vertexes are listed as an endpoint for at least two edges,
2) All edges are part of at least one polygon,
3) All polygons are closed,
4) All polygons have at least one shared edge,
5) If the edge table comprises pointer to polygons, each edge referenced through a polygon pointer to polygon, all edges referenced through a polygon pointer has a reciprocal pointer back to polygon.
De Casteljeau algorithm: The control points P 0 , P 1 , P 2 and P 3 are combined with line segments termed as 'control polygon', even if they are not actually a polygon although
Remote Sensing Packages: generally utilized software illustration is-" ERDAS" Characteristics: I.Best suitable for satellite imagery system. II. ERDAS uses geo-spatial in
Performing rotation about an Axis For performing rotation about an axis parallel to one of the coordinate axes (say z-axis), you first need to translate the axis (and hence the
Global illumination model -polygon rendering This illumination model adds to the local model the light which is reflected from the other surfaces to the current surface. This
what is vecgen algorithm and bresenham linequestion..
Point clipping - 2-d viewing and clipping Point clipping is the method related to suitable display of points in the scene, though this type of clipping is utilized less freque
What is Transformation? Transformation is the method of introducing changes in the shape size and orientation of the object using scaling rotation reflection shearing & transl
Uncompressed / Common Audio Format There is one main uncompressed audio format: PCM. It is generally stored like a .wav on Windows. WAV is file format which is flexible and des
2D Line Segment Generation A digitally plotted line is basically an approximation of infinite number of points on an abstract line segment by only a finite number of points on
What is surface patch? A single surface element can be explained as the surface traced out as two parameters (u, v) take all possible values between 0 and 1 in a two-parameter
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