From 2a399ff089ec19012388e36fe3a7059f2a59f1c2 Mon Sep 17 00:00:00 2001
From: kimikage <kimikage_ceo@hotmail.com>
Date: Thu, 7 Jun 2012 18:04:30 +0900
Subject: [PATCH] =?utf8?q?=E5=9F=BA=E6=BA=96=E3=83=AC=E3=83=99=E3=83=AB?=
 =?utf8?q?=E3=82=92=E6=8C=87=E5=AE=9A=E5=8F=AF=E8=83=BD=E3=81=AA=E9=AB=98?=
 =?utf8?q?=E3=81=95=E3=82=AF=E3=83=A9=E3=82=B9=E3=82=92=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

---
 Yubeshi/Height.cs              | 111 +++++++++++++++++++++++++++++++++++++++++
 Yubeshi/Yubeshi.csproj         |   1 +
 YubeshiTest/HeightTest.cs      |  65 ++++++++++++++++++++++++
 YubeshiTest/YubeshiTest.csproj |   1 +
 4 files changed, 178 insertions(+)
 create mode 100755 Yubeshi/Height.cs
 create mode 100755 YubeshiTest/HeightTest.cs

diff --git a/Yubeshi/Height.cs b/Yubeshi/Height.cs
new file mode 100755
index 0000000..0a6745c
--- /dev/null
+++ b/Yubeshi/Height.cs
@@ -0,0 +1,111 @@
+/*
+ *	Yubeshi GPS Parser
+ *
+ *	This software is distributed under a zlib-style license.
+ *	See license.txt for more information.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Yubeshi
+{
+    /// <summary>
+    ///     Height(or Altitude) in metre
+    /// </summary>
+    public struct Height
+    {
+        #region type definitions
+        public enum Base : int
+        {
+            Unknown = 0,
+            EarthCenter = 1,
+            MeanSeaLevel = 2,
+            Geoid = 3,
+            Ellipsoid = 0x100,
+            BesselEllipsoid = Ellipsoid | 41,
+            Grs80Ellipsoid = Ellipsoid | 80,
+            Wgs84Ellipsoid = Ellipsoid | 84,
+        }
+        #endregion
+
+        #region fields
+        private double height;
+        private Base baseLevel;
+        #endregion
+
+        #region constructors
+        public Height(double height)
+            :this(height, Base.Unknown)
+        {
+        }
+
+        public Height(double height, Base baseLevel)
+        {
+            
+            this.height = height;
+            this.baseLevel = baseLevel;
+        }
+        #endregion
+
+        #region operators
+        public static implicit operator Height(double height)
+        {
+            return new Height(height);
+        }
+
+        public static implicit operator double(Height height)
+        {
+            return height.height;
+        }
+        
+        public static Height operator +(Height left, double right)
+        {
+            return new Height(left.height + right, left.baseLevel);
+        }
+
+        public static Height operator +(double left, Height right)
+        {
+            return new Height(right.height + left, right.baseLevel);
+        }
+
+        public static double operator -(Height left, Height right)
+        {
+            if (left.baseLevel != right.baseLevel)
+            {
+                if (left.baseLevel != Base.Unknown &&
+                                            right.baseLevel != Base.Unknown)
+                {
+                    throw new InvalidOperationException(
+                                                    "mismatched base level");
+                }
+            }
+            return left.height - right.height;
+        }
+        #endregion
+
+        #region properties
+
+        public Base BaseLevel
+        {
+            get
+            {
+                return baseLevel;
+            }
+        }
+
+        public bool IsAltitude
+        {
+            get
+            {
+                return (baseLevel == Base.MeanSeaLevel) ||
+                                                    (baseLevel == Base.Geoid);
+            }
+        }
+        #endregion
+
+        #region public methods
+        #endregion
+    }
+}
diff --git a/Yubeshi/Yubeshi.csproj b/Yubeshi/Yubeshi.csproj
index a05c7d2..c9cde3d 100755
--- a/Yubeshi/Yubeshi.csproj
+++ b/Yubeshi/Yubeshi.csproj
@@ -94,6 +94,7 @@
     <Compile Include="UnknownPacket.cs" />
     <Compile Include="EnuVelocity.cs" />
     <Compile Include="YumaAlmanacReader.cs" />
+    <Compile Include="Height.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
diff --git a/YubeshiTest/HeightTest.cs b/YubeshiTest/HeightTest.cs
new file mode 100755
index 0000000..6cf2755
--- /dev/null
+++ b/YubeshiTest/HeightTest.cs
@@ -0,0 +1,65 @@
+/*
+ *	Yubeshi GPS Parser
+ *
+ *	This software is distributed under a zlib-style license.
+ *	See license.txt for more information.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using NUnit.Framework;
+using Yubeshi;
+
+namespace YubeshiTest
+{
+    [TestFixture]
+    class HeightTest
+    {
+
+        [Test]
+        public void FromDouble()
+        {
+            Height h = new Height(123.45);
+            Assert.AreEqual(123.45, (double)h);
+            Assert.AreEqual(Height.Base.Unknown, h.BaseLevel);
+        }
+
+        [Test]
+        public void Add()
+        {
+            Height h = new Height(123.45, Height.Base.Wgs84Ellipsoid);
+            Height ha = h + 1.0;
+            ha = 2.0 + ha;
+            Assert.AreEqual(126.45, (double)ha);
+            Assert.AreEqual(Height.Base.Wgs84Ellipsoid, ha.BaseLevel);
+        }
+
+        [Test]
+        public void Sub()
+        {
+            Height h1 = new Height(123.45, Height.Base.Wgs84Ellipsoid);
+            Height h2 = new Height(67.89, Height.Base.Wgs84Ellipsoid);
+
+            double hs = h1 - h2;
+            Assert.AreEqual(55.56, (double)hs);
+        }
+
+        [Test]
+        [ExpectedException(typeof(InvalidOperationException))]
+        public void InvalidSub()
+        {
+            Height h1 = new Height(123.45, Height.Base.Wgs84Ellipsoid);
+            Height h2 = new Height(67.89, Height.Base.Geoid);
+            double hs = h1 - h2;
+        }
+
+        [Test]
+        public void IsAltitude()
+        {
+            Assert.True(new Height(0, Height.Base.Geoid).IsAltitude);
+            Assert.True(new Height(1, Height.Base.MeanSeaLevel).IsAltitude);
+            Assert.False(new Height(2, Height.Base.Wgs84Ellipsoid).IsAltitude);
+        }
+    }
+}
diff --git a/YubeshiTest/YubeshiTest.csproj b/YubeshiTest/YubeshiTest.csproj
index 441a11c..7ef2584 100755
--- a/YubeshiTest/YubeshiTest.csproj
+++ b/YubeshiTest/YubeshiTest.csproj
@@ -48,6 +48,7 @@
     <Compile Include="GeodeticCoordinateTest.cs" />
     <Compile Include="GpsTest\WordTest.cs" />
     <Compile Include="GpsTimeTest.cs" />
+    <Compile Include="HeightTest.cs" />
     <Compile Include="JapanTest\JpcTest.cs" />
     <Compile Include="NmeaTest\PacketTest.cs" />
     <Compile Include="NmeaTest\ParserTest.cs" />
-- 
2.11.0