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1answer
69 views

3D scene construction and change of coordinates

My book says, "After a scene has been constructed we transfer object descriptions to the viewing-coordinate reference frame. This conversion of object descriptions is equivalent to a sequence of ...
3
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1answer
64 views

What is a scaling factor of the screen?

I'm reading DXGI flip model article and some parts are not clear: DirectFlip with panel fitters: Your window client region covers the screen, and your swapchain buffers are within some hardware-...
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0answers
99 views

Avoiding Mach band effect when using multiple lights

I wrote a simple Phong shader with two directional lights for a project, and noticed an unpleasant artifact in the lighting. Where both lights are illuminating the same region, dark bands appear at ...
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0answers
51 views

Why does the camera not remain child of the other camera after adding it in osg?

I am writing an OpenSceneGraph based program that uses two cameras, one to render the preview for the user and one that uses a callback to make screenshots with MRT. The exporter camera is using an ...
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0answers
28 views

Manipulating simulation within glutMainLoop from an Excel spreadsheet

I'm launching OpenGL from a VBA module linked to an Excel spreadsheet which goes quasi-dormant (the quasi will become clear in a moment) once I enter glutMainLoop. I would like to be able to edit the ...
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2answers
195 views

What does it mean by a Constraint-based Graphics System?

Scratchpad was a constraint-based graphics system. What does it mean by a Constraint-based Graphics System?