CS602-Midterm
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“Computer Graphics” and “Computer Vision” are ____________.
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Computer graphics is very helpful in producing graphical representations for scientific visualization.
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Computer Graphics are used in _______.
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In video text memory, ______ are used to display a character.
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____is the tendency of the text to flash as it moves up or down.
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Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
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By preserving the original shape of an object with a scaling is called _______ scaling.
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To show 256 colors , the no of bits required for each pixel are
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__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
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actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
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If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
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There are _________ basic types of polygon.
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There are _______ basic types of polygon.
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Bezier curve can represent the more complex piecewise ___________ curve.
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Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
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In __________ algorithm(s), old color must be read before it is invoked.
17 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
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A unit vector has zero magnitude.
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Discard a line with both endpoints outside clipping boundary is called as ____________
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Boundary Filling Algorithm can work for complex polygons.
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To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
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The circle and ellipse are symmetric across 1 octants.
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Three or more points that lie on the same line are called _____.
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If the polygons are _________ line clipping techniques are sufficient for clipping.
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( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
26 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
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Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
28 / 50
We can draw the circle using _________
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Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
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__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
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The curve is always contained within the _______ of the control points
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The process of subdivision an entity or surface into one or more non-overlapping primitives.
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Bezier curve is tangent to the lines connecting ____.
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Polygons are basically concave polygons that may have self-intersecting edges
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Each hyperbola consists of two __________ .
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We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
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Bernstein polynomial functions are the basic functions of _____ curves.
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_________ direct view storage tube maintains the picture display.
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When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
40 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
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Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
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The dot product of two vectors A and B is __________. Iff the angle between them is less than 20 or greater than 270 degrees.
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__________ is the process of describing an object or scene so that we can construct an image of it
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A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
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In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
47 / 50
Rotating a point requires
48 / 50
Discard a line with both endpoints outside clipping boundaries is called as
49 / 50
Cross product of two vectors result in a ___________.
50 / 50
Which one of the following is not the graphics library is use:
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