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* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
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*******************************************************************************/
package plotter.xy;
import plotter.DoubleData;
import plotter.DoubleDataDouble;
/**
* Stores X and Y data together for convenience.
* @author Adam Crume
*/
public class PointData implements CompressionOutput {
private DoubleData x;
private DoubleData y;
/**
* Creates point data with new default {@link DoubleData} objects for X and Y.
*/
public PointData() {
this(new DoubleDataDouble(), new DoubleDataDouble());
}
/**
* Creates point data using the given X and Y data.
* @param x X data
* @param y Y data
*/
public PointData(DoubleData x, DoubleData y) {
this.x = x;
this.y = y;
}
/**
* Returns the X data.
* @return the X data
*/
public DoubleData getX() {
return x;
}
/**
* Sets the X data.
* @param x the X data
*/
public void setX(DoubleData x) {
this.x = x;
}
/**
* Returns the Y data.
* @return the Y data
*/
public DoubleData getY() {
return y;
}
/**
* Sets the Y data.
* @param y the Y data
*/
public void setY(DoubleData y) {
this.y = y;
}
/**
* Convenience method for adding a point.
* Equivalent to:
* <pre>
* PointData d = ...;
* d.getX().add(x);
* d.getY().add(y);
* </pre>
* @param x X coordinate of the point to add
* @param y Y coordinate of the point to add
*/
@Override
public void add(double x, double y) {
this.x.add(x);
this.y.add(y);
}
/**
* Removes all points.
*/
public void removeAll() {
x.removeAll();
y.removeAll();
}
/**
* Removes <code>count</code> points from the end.
* @param count number of points to remove
*/
@Override
public void removeLast(int count) {
x.removeLast(count);
y.removeLast(count);
}
@Override
public int getPointCount() {
return x.getLength();
}
}