VolVis - A volume visualisation renderer

VolVis

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GetRay

Visibility

PROTECTED

Related Class

TDataSet

Description

This function calculates a viewing ray for a single pixel.
This is done by creating a vector from the eye point passing through a normalized viewport in 3D space.
The ray is transformed to fit the current viewing angles an position.

Source code

function GetRay ( DisplaySize , PixelPos : TPoint ) : TViewRay

Parameters

Parameter	Description
DisplaySize : TPoint	the dimensions of the output canvas in pixels
PixelPos : TPoint	the pixel position for which the ray is calculated

Return

Types	Description
TViewRay	the viewing ray starting in the eye position and passing through the pixel in the view plane

Links

#UnderConstruction#

VolVis

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