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package de.lmu.ifi.dbs.elki.visualization.projections;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import de.lmu.ifi.dbs.elki.data.NumberVector;
/**
* Full vector space projections.
*
* These rather portable projections offer a large choice of functions, at the
* cost of often being a bit slower than the low level functions.
*
* Note: this interface and methods may be removed, unless there is a clear use
* case for them as opposed to always using the low-level fast projections.
*
* @author Erich Schubert
* @since 0.4.0
*/
public interface FullProjection extends Projection {
/**
* Project a vector from scaled space to rendering space.
*
* @param v vector in scaled space
* @return vector in rendering space
*/
double[] projectScaledToRender(double[] v);
/**
* Project a vector from rendering space to scaled space.
*
* @param v vector in rendering space
* @return vector in scaled space
*/
double[] projectRenderToScaled(double[] v);
/**
* Project a relative vector from scaled space to rendering space.
*
* @param v relative vector in scaled space
* @return relative vector in rendering space
*/
double[] projectRelativeScaledToRender(double[] v);
/**
* Project a relative vector from rendering space to scaled space.
*
* @param v relative vector in rendering space
* @return relative vector in scaled space
*/
double[] projectRelativeRenderToScaled(double[] v);
/**
* Project a data vector from data space to scaled space.
*
* @param data vector in data space
* @return vector in scaled space
*/
double[] projectDataToScaledSpace(NumberVector data);
/**
* Project a data vector from data space to scaled space.
*
* @param data vector in data space
* @return vector in scaled space
*/
double[] projectDataToScaledSpace(double[] data);
/**
* Project a relative data vector from data space to scaled space.
*
* @param data relative vector in data space
* @return relative vector in scaled space
*/
double[] projectRelativeDataToScaledSpace(NumberVector data);
/**
* Project a relative data vector from data space to scaled space.
*
* @param data relative vector in data space
* @return relative vector in scaled space
*/
double[] projectRelativeDataToScaledSpace(double[] data);
/**
* Project a data vector from data space to rendering space.
*
* @param data vector in data space
* @return vector in rendering space
*/
double[] projectDataToRenderSpace(NumberVector data);
/**
* Project a data vector from data space to rendering space.
*
* @param data vector in data space
* @return vector in rendering space
*/
double[] projectDataToRenderSpace(double[] data);
/**
* Project a vector from scaled space to data space.
*
* @param <NV> double[] type
* @param v vector in scaled space
* @param factory Object factory
* @return vector in data space
*/
<NV extends NumberVector> NV projectScaledToDataSpace(double[] v, NumberVector.Factory<NV> factory);
/**
* Project a vector from rendering space to data space.
*
* @param <NV> double[] type
* @param v vector in rendering space
* @param prototype Object factory
* @return vector in data space
*/
<NV extends NumberVector> NV projectRenderToDataSpace(double[] v, NumberVector.Factory<NV> prototype);
/**
* Project a relative data vector from data space to rendering space.
*
* @param data relative vector in data space
* @return relative vector in rendering space
*/
double[] projectRelativeDataToRenderSpace(NumberVector data);
/**
* Project a relative data vector from data space to rendering space.
*
* @param data relative vector in data space
* @return relative vector in rendering space
*/
double[] projectRelativeDataToRenderSpace(double[] data);
/**
* Project a relative vector from scaled space to data space.
*
* @param <NV> double[] type
* @param v relative vector in scaled space
* @param prototype Object factory
* @return relative vector in data space
*/
<NV extends NumberVector> NV projectRelativeScaledToDataSpace(double[] v, NumberVector.Factory<NV> prototype);
/**
* Project a relative vector from rendering space to data space.
*
* @param <NV> double[] type
* @param v relative vector in rendering space
* @param prototype Object factory
* @return relative vector in data space
*/
<NV extends NumberVector> NV projectRelativeRenderToDataSpace(double[] v, NumberVector.Factory<NV> prototype);
}
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