Csc461 PowerPoint PPT Presentations
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Develop 2D and 3D examples -- Sierpinski gasket: a fractal. 3D functions ... The gasket as a fractal ... 3D Gasket. We can subdivide each of the four faces ...
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OpenGL will only display polygons correctly that are. Simple: edges cannot cross. Convex: All points on line segment between two points in a polygon are also in ...
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Can we mimic the synthetic camera model to design graphics ... Translucent objects. Slow. Need whole data base. Radiosity: Energy based approach. Very slow ...
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There is only one set of transformation functions so we must set the matrix mode ... If the application is in two dimensions, we can use the function ...
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Using the idle callback ... Terminating a program ... In the next example, we draw a small square at the location of the mouse each ...
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In computer graphics, we form images which are generally two ... Additive and Subtractive Color. Additive color. Form a color by adding amounts of ... Subtractive ...
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User sees an object on the display. User points to (picks) the object ... Window: resize, expose, iconify. Mouse: click one or more buttons. Motion: move mouse ...
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Development of the OpenGL API. OpenGL Architecture -- OpenGL as a state machine ... Cygwin (linux under Windows) Can use gcc and similar makefile to linux ...
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Often we add the isometric. Multiview Orthographic Projection ... multiviews plus isometric. Axonometric Projections ... three: isometric. q 1. q 3. q 2 ...
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b=(MT)-1a. Example ... Representing One Frame in Terms of the Other. Extending what we did with change of bases ... world representation using the model-view ...
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A 90 degree field of view determined by the planes. Intersect the projection plane at 45 degree ... Move the origin to the light source translatioT(-xl,-yl,-zl) ...
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There are three aspects of the viewing process, all of which are implemented ... Non-uniform foreshortening: the images of objects from the ... foreshortening ...
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Each light source has separate diffuse, specular, and ambient terms to allow for ... Smooth surfaces show specular highlights due to incoming light being reflected ...
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... we can set an RGB for the diffuse, specular, and ambient parts, and the position ... set up ambient, diffuse, and specular components for light 0 ...
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Draw a quadrilateral from a list of indices into the array vertices and use ... Edge flags. We will need only colors and vertices ...
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