Package org.web3d.vrml.renderer.ogl.nodes.nurbs.mesh

Interface RectangularGeometryArray

All Superinterfaces:

GeometryArray

All Known Implementing Classes:

RectangularMesh

public interface RectangularGeometryArray
extends GeometryArray

An extension of GeometryArray when the points defining the vertices are guaranteed to form a rectangular array in parametric space

Version:

0.1

Author:

Vincent Marchetti

Method Summary

Modifier and Type	Method	Description
int	indexInArray(int i, int j)	0 <= i < numDimensions[0] 0 <= j < numDimensions[1]
int[]	numDimensions()	numDimensions[0] = numSegments[0] + 1 numDimensions[1] = numSegments[1] + 1
int[]	numSegments()	Return the number of segments (intervals, steps) in parameter space *
float[][]	parameter_range()	Return the range of parameters parameter_range[0] is a 2-array of min, max of u parameter parameter_range[0][0] the minimum of u parameter_range[0][1] the maximum of u parameter_range[1][0] the minimum of v parameter_range[1][1] the maximum of v

Methods inherited from interface org.web3d.vrml.renderer.ogl.nodes.nurbs.mesh.GeometryArray

euclidean_coordinates, numPoints, parametric_coordinates

Method Details

numSegments

int[] numSegments()

Return the number of segments (intervals, steps) in parameter space *

Returns:

size 2 array {number of u segment, number of v segments}

numDimensions

int[] numDimensions()

numDimensions[0] = numSegments[0] + 1 numDimensions[1] = numSegments[1] + 1

Returns:

index to use for coordinates array

indexInArray

int indexInArray(int i,
 int j)

0 <= i < numDimensions[0] 0 <= j < numDimensions[1]

Parameters:

i -

j -

Returns:

index to use for coordinates array

parameter_range

float[][] parameter_range()

Return the range of parameters parameter_range[0] is a 2-array of min, max of u parameter parameter_range[0][0] the minimum of u parameter_range[0][1] the maximum of u parameter_range[1][0] the minimum of v parameter_range[1][1] the maximum of v

Returns:

size 2 array {number of u segment, number of v segments}