90 lines
2.7 KiB
VB.net
90 lines
2.7 KiB
VB.net
#Region "Microsoft.VisualBasic::b00ccfe620212184b72ad7e8ea8c600f, Microsoft.VisualBasic.Core\Extensions\Image\Math\Models\PolarPoint.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Class PolarPoint
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'
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' Properties: Angle, Point, Radius
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'
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' Function: ToString
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Drawing
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Imports System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.Math
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Namespace Imaging.Math2D
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''' <summary>
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''' 极坐标点
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''' </summary>
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Public Class PolarPoint
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Public Property Radius As Double
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''' <summary>
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''' Unit in degree.(单位为度)
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''' </summary>
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''' <returns></returns>
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Public Property Angle As Single
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''' <summary>
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''' 与这个极坐标点等价的笛卡尔直角坐标系上面的坐标点
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''' </summary>
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''' <returns></returns>
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Public ReadOnly Property Point As PointF
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Get
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Return (Radius, Angle).ToCartesianPoint
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End Get
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End Property
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''' <summary>
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''' 显示这个极坐标点
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''' </summary>
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''' <returns></returns>
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Public Overrides Function ToString() As String
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Return $"({Radius}, {Angle}°)"
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End Function
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Public Shared Widening Operator CType(polar As (radius#, angle!)) As PolarPoint
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Return New PolarPoint With {
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.Angle = polar.angle,
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.Radius = polar.radius
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}
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End Operator
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End Class
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End Namespace
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