hep.wired.services

Interface ViewPort

All Superinterfaces:

UVWindices, WiredRegistry.ID, org.freehep.xml.io.XMLIO, XYZindices

All Known Implementing Classes:

RectangularViewPort

public interface ViewPort
extends WiredRegistry.ID, XYZindices, UVWindices, org.freehep.xml.io.XMLIO

Transforms coordinates in a world-unit system (X,Y,Z) with intervals (-1,1) into screen coordinates (U,V,W).

Version:

$Id: ViewPort.java 8598 2006-08-14 20:38:02Z duns $

Author:

Mark Donszelmann

Field Summary

Fields inherited from interface hep.wired.util.XYZindices

X, Y, Z

Fields inherited from interface hep.wired.util.UVWindices

U, V, W

Method Summary

Methods

Modifier and Type	Method and Description
ViewPort	copy() Returns a copy of the viewport
double[]	deltaTransform(double[] xyz) Returns an array of length 3: uvw[] = viewport-delta(xyz[]).
String	getName() Returns the name of the View Port.
double[]	inverseDeltaTransform(double[] uvw) Returns an array of length 3: xyz[] = inverse-viewport-delta(uvw[]).
double[]	inverseTransform(double[] uvw) Returns an array of length 3: xyz[] = inverse-viewport(uvw[]).
double[]	transform(double[] xyz) Returns an array of length 3: uvw = viewport(xyz).
double[][]	transform(double[][] xyz, int n) Returns an array of length 3*n: uvw[][n] = viewport(xyz[][n]).

Methods inherited from interface hep.wired.util.WiredRegistry.ID

getID

Methods inherited from interface org.freehep.xml.io.XMLIO

restore, save

Method Detail

getName

String getName()

Returns the name of the View Port.

copy

ViewPort copy()

Returns a copy of the viewport

transform

double[] transform(double[] xyz)

Returns an array of length 3: uvw = viewport(xyz). The z component is not touched. The returned array may have a lifetime up to the next call to this method on this object.

transform

double[][] transform(double[][] xyz,
                   int n)

Returns an array of length 3*n: uvw[][n] = viewport(xyz[][n]). The z component is not touched. The returned array may have a lifetime up to the next call to this method on this object. The number of "valid" coordinates is given by n.

deltaTransform

double[] deltaTransform(double[] xyz)

Returns an array of length 3: uvw[] = viewport-delta(xyz[]). The z component is not touched. The returned array may have a lifetime up to the next call to this method on this object.

inverseTransform

double[] inverseTransform(double[] uvw)

Returns an array of length 3: xyz[] = inverse-viewport(uvw[]). The w component is not touched. The returned array may have a lifetime up to the next call to this method on this object.

inverseDeltaTransform

double[] inverseDeltaTransform(double[] uvw)

Returns an array of length 3: xyz[] = inverse-viewport-delta(uvw[]). The w component is not touched. The returned array may have a lifetime up to the next call to this method on this object.