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GeoRegression is a free Java based geometry library for scientific computing in fields such as robotics and computer vision with a focus on 2D/3D space.
/*
* Copyright (C) 2020, Peter Abeles. All Rights Reserved.
*
* This file is part of Geometric Regression Library (GeoRegression).
*
* 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.
*/
package georegression.struct.line;
import java.io.Serializable;
/**
*
* Defines a line in 2D space based upon the distance of its closest point to the origin
* and the angle of a line from the origin to that point. Also referred to as the polar line
* equation.
*
*
*
* Equation:
* x*cos(θ) + y*sin(θ) = r
* where r is the distance from the closest point on the line to the origin, and θ is
* an angle tangent to the line.
*
*
* @see georegression.geometry.UtilLine2D_F64
*
* @author Peter Abeles
*/
public class LinePolar2D_F64 implements Serializable{
/**
* Distance from the origin to the closest point on the line.
*/
public double distance;
/**
* Angle in radians from the origin to the closest point on the line.
*/
public double angle;
public LinePolar2D_F64(double distance, double angle) {
this.distance = distance;
this.angle = angle;
}
public LinePolar2D_F64() {}
public void setTo( LinePolar2D_F64 src ) {
this.distance = src.distance;
this.angle = src.angle;
}
public double getDistance() {
return distance;
}
public void setDistance(double distance) {
this.distance = distance;
}
public double getAngle() {
return angle;
}
public void setAngle(double angle) {
this.angle = angle;
}
@Override
public String toString() {
return getClass().getSimpleName()+"{ d = "+distance+" angle = "+angle+" }";
}
}