de.jreality.geometry

Interface ParametricSurfaceFactory.Immersion

All Known Implementing Classes:

BeanInspectorExample.Swallowtail, ParametricSurfaceExample.Swallowtail, ParametricSurfaceFactory.DefaultImmersion, SliderExample.HelicoidCatenoid

Enclosing class:

ParametricSurfaceFactory

public static interface ParametricSurfaceFactory.Immersion

Represents a map of two variables into n--dimensional space.

Method Summary

Modifier and Type	Method and Description
void	evaluate(double u, double v, double[] xyz, int index) The implementation of the formula.
int	getDimensionOfAmbientSpace() The dimension of the target space.
boolean	isImmutable() Mutable immersions are always recalculated when the update method is called; immutable immersions are only recalculated when the parameter domain changes.

Method Detail

isImmutable

boolean isImmutable()

Mutable immersions are always recalculated when the update method is called; immutable immersions are only recalculated when the parameter domain changes.

getDimensionOfAmbientSpace

int getDimensionOfAmbientSpace()

The dimension of the target space.

evaluate

void evaluate(double u,
              double v,
              double[] xyz,
              int index)

The implementation of the formula. If in mathematical notation (f1(u,v), ..., fn(u,v)) is your Rⁿ valued map, where n is the dimension of the ambient space. Then your implementation of evaluate should read

                xyz[3*index]=f1(u,v);
                xyz[3*index+1]=f2(u,v);
                   ...
                xyz[3*index+n-1]=fn(u,v);
  

Parameters:

u - coordinate of the requested value

v - coordinate of the requested value

xyz - an array to put the result of the evaluation into

index - at which to put the result into xyz.