org.meteoinfo.chart.axis.ProjLonLatAxis Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of meteoinfo-chart Show documentation
There is a newer version: 3.8
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package org.meteoinfo.chart.axis;

import org.meteoinfo.chart.ChartText;
import org.meteoinfo.common.DataConvert;
import org.meteoinfo.common.MIMath;
import org.meteoinfo.projection.KnownCoordinateSystems;
import org.meteoinfo.projection.ProjectionInfo;
import org.meteoinfo.projection.Reproject;

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

/**
 *
 * @author Yaqiang Wang
 */
public class ProjLonLatAxis extends LonLatAxis{
    // 
    private ProjectionInfo proj;
    private double x_y;
    // 
    // 
    /**
     * Constructor
     * @param label Label
     * @param isX Is x/longitude axis or not
     * @param proj Projection
     */
    public ProjLonLatAxis(String label, boolean isX, ProjectionInfo proj){
        super(label, isX, isX);
        this.proj = proj;
    }
    
    /**
     * Constructor
     * @param label Label
     * @param isX Is x/longitude axis or not
     * @param proj Projection
     * @param xy X or Y value of the axis - using for projection
     */
    public ProjLonLatAxis(String label, boolean isX, ProjectionInfo proj, double xy){
        super(label, isX);
        this.proj = proj;
        this.x_y = xy;
    }
    // 
    // 
    /**
     * Get projection
     * @return Projection
     */
    public ProjectionInfo getProject(){
        return this.proj;
    }
    
    /**
     * Set projection
     * @param value Projection
     */
    public void setProject(ProjectionInfo value){
        this.proj = value;
    }
    
    /**
     * Get x_y value
     * @return x_y value
     */
    public double getX_Y(){
        return this.x_y;
    }
    
    /**
     * Set x_y value
     * @param value x_y value
     */
    public void setX_Y(double value){
        this.x_y = value;
        //this.updateTickValues();
    }
    // 
    // 
    /**
     * Update tick values
     */
    @Override
    public void updateTickValues() {       
        if (this.proj == null)
            return;
        
        double min = this.getMinValue();
        double max = this.getMaxValue();
        //Calculate min and max lon or lat
        ProjectionInfo toproj = KnownCoordinateSystems.geographic.world.WGS1984;
        double minv, maxv;
        double[][] points = new double[2][];
        if (this.isXAxis()){
            points[0] = new double[]{min, this.x_y};
            points[1] = new double[]{max, this.x_y};
            Reproject.reprojectPoints(points, this.proj, toproj);
            minv = points[0][0];
            maxv = points[1][0];
        } else {
            points[0] = new double[]{this.x_y, min};
            points[1] = new double[]{this.x_y, max};
            Reproject.reprojectPoints(points, this.proj, toproj);
            minv = points[0][1];
            maxv = points[1][1];
        }
        //Get tick values
        List