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/**
* \file NETGeographicLib\PolyPanel.cs
* \brief NETGeographicLib.PolygonArea example
*
* NETGeographicLib is copyright (c) Scott Heiman (2013)
* GeographicLib is Copyright (c) Charles Karney (2010-2012)
* <charles@karney.com> and licensed under the MIT/X11 License.
* For more information, see
* http://geographiclib.sourceforge.net/
**********************************************************************/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using NETGeographicLib;
namespace Projections
{
public partial class PolyPanel : UserControl
{
PolygonArea m_poly = null;
public PolyPanel()
{
InitializeComponent();
m_poly = new PolygonArea(false);
m_majorRadiusTextBox.Text = m_poly.MajorRadius.ToString();
m_flatteningTextBox.Text = m_poly.Flattening.ToString();
m_lengthTextBox.Text = m_areaTextBox.Text = m_numPointsTextBox.Text = "0";
m_currLatTextBox.Text = m_currLonTextBox.Text = "";
}
private void OnSet(object sender, EventArgs e)
{
try
{
double a = Double.Parse(m_majorRadiusTextBox.Text);
double f = Double.Parse(m_flatteningTextBox.Text);
m_poly = new PolygonArea(new Geodesic(a, f), m_polylineCheckBox.Checked);
m_lengthTextBox.Text = m_areaTextBox.Text = m_numPointsTextBox.Text = "0";
m_currLatTextBox.Text = m_currLonTextBox.Text = "";
m_edgeButton.Enabled = false;
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnAddPoint(object sender, EventArgs e)
{
try
{
double lat = Double.Parse(m_latitudeTextBox.Text);
double lon = Double.Parse(m_longitudeTextBox.Text);
double length, area;
m_poly.AddPoint(lat, lon);
m_edgeButton.Enabled = true;
m_currLatTextBox.Text = m_latitudeTextBox.Text;
m_currLonTextBox.Text = m_longitudeTextBox.Text;
m_numPointsTextBox.Text = m_poly.Compute(false, false, out length, out area).ToString();
m_lengthTextBox.Text = length.ToString();
if ( !m_polylineCheckBox.Checked )
m_areaTextBox.Text = area.ToString();
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnAddEdge(object sender, EventArgs e)
{
try
{
double azi = Double.Parse(m_azimuthTextBox.Text);
double dist = Double.Parse(m_distanceTextBox.Text);
m_poly.AddEdge(azi, dist);
double lat, lon, length, area;
m_poly.CurrentPoint(out lat, out lon);
m_currLatTextBox.Text = lat.ToString();
m_currLonTextBox.Text = lon.ToString();
m_numPointsTextBox.Text = m_poly.Compute(false, false, out length, out area).ToString();
m_lengthTextBox.Text = length.ToString();
if (!m_polylineCheckBox.Checked)
m_areaTextBox.Text = area.ToString();
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnClear(object sender, EventArgs e)
{
m_poly.Clear();
m_edgeButton.Enabled = false;
m_lengthTextBox.Text = m_areaTextBox.Text = m_numPointsTextBox.Text = "0";
m_currLatTextBox.Text = m_currLonTextBox.Text = "";
}
private void OnValidate(object sender, EventArgs e)
{
try
{
double lat, lon, perim, area;
PolygonArea pa = new PolygonArea(new Geodesic(50000.0, 0.001), true);
pa = new PolygonArea(false);
pa.AddPoint(32.0, -86.0);
pa.AddEdge(20.0, 10000.0);
pa.AddEdge(-45.0, 10000.0);
pa.CurrentPoint(out lat, out lon);
pa.Compute(false, false, out perim, out area);
pa.TestEdge(-70.0, 5000.0, false, false, out perim, out area);
pa.TestPoint(31.0, -86.5, false, false, out perim, out area);
PolygonAreaExact p2 = new PolygonAreaExact(new GeodesicExact(), false);
p2.AddPoint(32.0, -86.0);
p2.AddEdge(20.0, 10000.0);
p2.AddEdge(-45.0, 10000.0);
p2.CurrentPoint(out lat, out lon);
p2.Compute(false, false, out perim, out area);
p2.TestEdge(-70.0, 5000.0, false, false, out perim, out area);
p2.TestPoint(31.0, -86.5, false, false, out perim, out area);
MessageBox.Show("No errors detected", "OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
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