concentricwebarcs.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.data.geometry;

import java.util.ArrayList;
import java.util.List;

import com.esri.adf.web.data.geometry.WebCircle;
import com.esri.adf.web.data.geometry.WebPoint;

@SuppressWarnings("deprecation")
public class ConcentricWebArcs extends WebArc {
	private static final long serialVersionUID = 2735903047661502932L;
	protected int _arcCount = 1;
	protected double _arcDistance = 1.0;
	
	public ConcentricWebArcs(WebPoint center, double radius, double startAngle, double endAngle) {
		super(center, radius, startAngle, endAngle);
	}
	
	public ConcentricWebArcs(WebCircle circle, double startAngle, double endAngle) {
		super(circle, startAngle, endAngle);	
	}		

	public int getArcCount() {
		return _arcCount;
	}

	public void setArcCount(int count) {
		_arcCount = count;
	}

	public double getArcDistance() {
		return _arcDistance;
	}

	public void setArcDistance(double distance) {
		_arcDistance = distance;
	}
	
	public List<WebArc> getArcList() {
		List<WebArc> arcs = new ArrayList<WebArc>();
		double currentRadius = this._radius;
		
		for (int idx = 0; idx < _arcCount; idx++) {
			WebArc webArc = new WebArc(this._center, currentRadius, this._startAngle, this._endAngle);
			webArc.densify();
			
			arcs.add(webArc);
			currentRadius += _arcDistance;
		}
		
		return arcs;
	}
}