1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/**
* \file NETGeographicLib\ProjectionsPanel.cs
* \brief NETGeographicLib projection example
*
* NETGeographicLib.AzimuthalEquidistant,
* NETGeographicLib.CassiniSoldner, and
* NETGeographicLib.Gnomonic 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 ProjectionsPanel : UserControl
{
enum ProjectionTypes
{
AzimuthalEquidistant = 0,
CassiniSoldner = 1,
Gnomonic = 2
}
ProjectionTypes m_type;
AzimuthalEquidistant m_azimuthal = null;
CassiniSoldner m_cassini = null;
Gnomonic m_gnomonic = null;
Geodesic m_geodesic = null;
public ProjectionsPanel()
{
InitializeComponent();
try
{
m_geodesic = new Geodesic();
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
m_majorRadiusTextBox.Text = m_geodesic.MajorRadius.ToString();
m_flatteningTextBox.Text = m_geodesic.Flattening.ToString();
m_lat0TextBox.Text = m_lon0TextBox.Text = "0";
m_projectionComboBox.SelectedIndex = 0;
m_functionComboBox.SelectedIndex = 0;
}
private void OnProjectectionType(object sender, EventArgs e)
{
m_type = (ProjectionTypes)m_projectionComboBox.SelectedIndex;
switch (m_type)
{
case ProjectionTypes.AzimuthalEquidistant:
m_azimuthal = new AzimuthalEquidistant(m_geodesic);
break;
case ProjectionTypes.CassiniSoldner:
double lat0 = Double.Parse( m_lat0TextBox.Text );
double lon0 = Double.Parse( m_lon0TextBox.Text );
m_cassini = new CassiniSoldner(lat0, lon0, m_geodesic);
break;
case ProjectionTypes.Gnomonic:
m_gnomonic = new Gnomonic(m_geodesic);
break;
}
}
private void OnSet(object sender, EventArgs e)
{
try
{
double a = Double.Parse(m_majorRadiusTextBox.Text);
double f = Double.Parse(m_flatteningTextBox.Text);
m_geodesic = new Geodesic(a, f);
}
catch ( Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnFunction(object sender, EventArgs e)
{
switch (m_functionComboBox.SelectedIndex)
{
case 0:
m_latitudeTextBox.ReadOnly = m_longitudeTextBox.ReadOnly = false;
m_xTextBox.ReadOnly = m_yTextBox.ReadOnly = true;
break;
case 1:
m_latitudeTextBox.ReadOnly = m_longitudeTextBox.ReadOnly = true;
m_xTextBox.ReadOnly = m_yTextBox.ReadOnly = false;
break;
}
}
private void OnConvert(object sender, EventArgs e)
{
try
{
switch (m_type)
{
case ProjectionTypes.AzimuthalEquidistant:
ConvertAzimuthalEquidistant();
break;
case ProjectionTypes.CassiniSoldner:
ConvertCassiniSoldner();
break;
case ProjectionTypes.Gnomonic:
ConvertGnomonic();
break;
}
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ConvertAzimuthalEquidistant()
{
double lat0 = Double.Parse(m_lat0TextBox.Text);
double lon0 = Double.Parse(m_lon0TextBox.Text);
double lat = 0.0, lon = 0.0, x = 0.0, y = 0.0, azi = 0.0, rk = 0.0;
switch (m_functionComboBox.SelectedIndex)
{
case 0:
lat = Double.Parse(m_latitudeTextBox.Text);
lon = Double.Parse(m_longitudeTextBox.Text);
m_azimuthal.Forward(lat0, lon0, lat, lon, out x, out y, out azi, out rk);
m_xTextBox.Text = x.ToString();
m_yTextBox.Text = y.ToString();
break;
case 1:
x = Double.Parse(m_xTextBox.Text);
y = Double.Parse(m_yTextBox.Text);
m_azimuthal.Reverse(lat0, lon0, x, y, out lat, out lon, out azi, out rk);
m_latitudeTextBox.Text = lat.ToString();
m_longitudeTextBox.Text = lon.ToString();
break;
}
m_azimuthTextBox.Text = azi.ToString();
m_scaleTextBox.Text = rk.ToString();
}
private void ConvertCassiniSoldner()
{
double lat = 0.0, lon = 0.0, x = 0.0, y = 0.0, azi = 0.0, rk = 0.0;
switch (m_functionComboBox.SelectedIndex)
{
case 0:
lat = Double.Parse(m_latitudeTextBox.Text);
lon = Double.Parse(m_longitudeTextBox.Text);
m_cassini.Forward(lat, lon, out x, out y, out azi, out rk);
m_xTextBox.Text = x.ToString();
m_yTextBox.Text = y.ToString();
break;
case 1:
x = Double.Parse(m_xTextBox.Text);
y = Double.Parse(m_yTextBox.Text);
m_cassini.Reverse(x, y, out lat, out lon, out azi, out rk);
m_latitudeTextBox.Text = lat.ToString();
m_longitudeTextBox.Text = lon.ToString();
break;
}
m_azimuthTextBox.Text = azi.ToString();
m_scaleTextBox.Text = rk.ToString();
}
private void ConvertGnomonic()
{
double lat0 = Double.Parse(m_lat0TextBox.Text);
double lon0 = Double.Parse(m_lon0TextBox.Text);
double lat = 0.0, lon = 0.0, x = 0.0, y = 0.0, azi = 0.0, rk = 0.0;
switch (m_functionComboBox.SelectedIndex)
{
case 0:
lat = Double.Parse(m_latitudeTextBox.Text);
lon = Double.Parse(m_longitudeTextBox.Text);
m_gnomonic.Forward(lat0, lon0, lat, lon, out x, out y, out azi, out rk);
m_xTextBox.Text = x.ToString();
m_yTextBox.Text = y.ToString();
break;
case 1:
x = Double.Parse(m_xTextBox.Text);
y = Double.Parse(m_yTextBox.Text);
m_gnomonic.Reverse(lat0, lon0, x, y, out lat, out lon, out azi, out rk);
m_latitudeTextBox.Text = lat.ToString();
m_longitudeTextBox.Text = lon.ToString();
break;
}
m_azimuthTextBox.Text = azi.ToString();
m_scaleTextBox.Text = rk.ToString();
}
private void OnValidate(object sender, EventArgs e)
{
try
{
double lat = 0.0, lon = 0.0, x = 0.0, y = 0.0, x1 = 0.0, y1 = 0.0, azi = 0.0, rk = 0.0;
AzimuthalEquidistant azimuthal = new AzimuthalEquidistant(m_geodesic);
azimuthal = new AzimuthalEquidistant();
azimuthal.Forward(32.0, -86.0, 33.0, -87.0, out x, out y, out azi, out rk);
azimuthal.Forward(32.0, -86.0, 33.0, -87.0, out x1, out y1);
if (x != x1 || y != y1)
throw new Exception("Error in AzimuthalEquidistant.Forward");
azimuthal.Reverse(32.0, -86.0, x, y, out lat, out lon, out azi, out rk);
azimuthal.Reverse(32.0, -86.0, x, y, out x1, out y1);
if ( x1 != lat || y1 != lon )
throw new Exception("Error in AzimuthalEquidistant.Reverse");
CassiniSoldner cassini = new CassiniSoldner(32.0, -86.0, m_geodesic);
cassini = new CassiniSoldner(32.0, -86.0);
cassini.Reset(31.0, -87.0);
cassini.Forward(32.0, -86.0, out x, out y, out azi, out rk);
cassini.Forward(32.0, -86.0, out x1, out y1);
if (x != x1 || y != y1)
throw new Exception("Error in CassiniSoldner.Forward");
cassini.Reverse(x, y, out lat, out lon, out azi, out rk);
cassini.Reverse(x, y, out x1, out y1);
if (x1 != lat || y1 != lon)
throw new Exception("Error in CassiniSoldner.Reverse");
Gnomonic gnomonic = new Gnomonic(m_geodesic);
gnomonic = new Gnomonic();
gnomonic.Forward(32.0, -86.0, 31.0, -87.0, out x, out y, out azi, out rk);
gnomonic.Forward(32.0, -86.0, 31.0, -87.0, out x1, out y1);
if (x != x1 || y != y1)
throw new Exception("Error in Gnomonic.Forward");
gnomonic.Reverse(32.0, -86.0, x, y, out lat, out lon, out azi, out rk);
gnomonic.Reverse(32.0, -86.0, x, y, out x1, out y1);
if (x1 != lat || y1 != lon)
throw new Exception("Error in Gnomonic.Reverse");
}
catch (Exception xcpt)
{
MessageBox.Show(xcpt.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
MessageBox.Show("No errors detected", "OK", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
|
