Function:ns2cvra

From S2PLOT

ns2cvra

Render volume of objects.

Prototype

int ns2cvra(float ***grid,
	    int adim, int bdim, int cdim,
	    int a1, int a2, int b1, int b2, int c1, int c2,
	    float *tr, char trans,
	    float datamin, float datamax,
	    float(*ialphafn)(float*));

Description

Volume rendering object, but with a function for alpha rather than a linear ramp. The ialphafn is called with a float (ptr) argument being the data value (which can be outside the (datamin, datamax) range of course) and should return a value between 0 (transparent) and 1 (opaque).

See Also

Code Example

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