２つの円の交点の算出

Namespace: fvalgcli
Assembly: fvalgcli (in fvalgcli.dll) Version: 3.1.0.0 (3.1.0.11)

Syntax

C#
public static int fnFIE_cg_calc_cross_2circleB(
	DPNT_T center1,
	double radius1,
	DPNT_T center2,
	double radius2,
	ref int cross_num,
	ref DPNT_T cross1,
	ref DPNT_T cross2
)
Visual Basic
Public Shared Function fnFIE_cg_calc_cross_2circleB ( 
	center1 As DPNT_T,
	radius1 As Double,
	center2 As DPNT_T,
	radius2 As Double,
	ByRef cross_num As Integer,
	ByRef cross1 As DPNT_T,
	ByRef cross2 As DPNT_T
) As Integer

Parameters

center1
Type: fvalgcli..::..DPNT_T
円１の中心座標
radius1
Type: System..::..Double
円１の半径
center2
Type: fvalgcli..::..DPNT_T
円２の中心座標
radius2
Type: System..::..Double
円２の半径
cross_num
Type: System..::..Int32%
交点の個数
cross1
Type: fvalgcli..::..DPNT_T%
交点座標Pi1
cross2
Type: fvalgcli..::..DPNT_T%
交点座標Pi2

Return Value

Type: Int32
以下のエラーコードを返します。

エラーコード：
f_err内容
F_ERR_NONE正常終了
F_ERR_INVALID_PARAM 不正なパラメータが渡された
F_ERR_CALC_IMPOSSIBLE 計算不能エラー
F_ERR_NO_LICENCEライセンスエラー、または未初期化エラー

Remarks

Examples

C# Copy imageCopy
//    $Revision: 1.1 $

using System;
using System.Collections.Generic;
using System.Text;
using fvalgcli;

namespace TC
{
    public partial class FIE
    {
        [FvPluginExecute]
        public void fnFIE_cg_calc_cross_2circleB()
        {
            int status = (int)f_err.F_ERR_NONE;

            DPNT_T center1 = new DPNT_T();
            double radius1;
            DPNT_T center2 = new DPNT_T();
            double radius2;
            int cross_num = 0;
            DPNT_T cross1 = new DPNT_T();
            DPNT_T cross2 = new DPNT_T();

            const int ans_num = 2;

            // 円1の設定.
            center1.x = 200;
            center1.y = 200;
            radius1 = 150.0;
            // 円2の設定.
            center2.x = 300;
            center2.y = 300;
            radius2 = 150.0;

            status = api.fnFIE_cg_calc_cross_2circleB(center1, radius1, center2, radius2, ref cross_num, ref cross1, ref cross2);

            Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status);

            // 結果を出力する.
            ConsoleOut.WriteFunctionName(":\n");
            Console.WriteLine("cross_num: {0}", cross_num);
            Console.WriteLine("2circleBcross1.x: {0}", cross1.x);
            Console.WriteLine("2circleBcross1.y: {0}", cross1.y);
            Console.WriteLine("2circleBcross2.x: {0}", cross2.x);
            Console.WriteLine("2circleBcross2.y: {0}", cross2.y);
            Console.Write(" ...");
            ConsoleOut.IsTrue(cross_num == ans_num);
        }
    }
}

Visual Basic Copy imageCopy
'    $Revision: 1.1 $

Imports System.Collections.Generic
Imports System.Text
Imports fvalgcli

Public Partial Class FIE
    <FvPluginExecute> _
    Public Sub fnFIE_cg_calc_cross_2circleB()
        Dim status As Integer = CInt(f_err.F_ERR_NONE)

        Dim center1 As New DPNT_T()
        Dim radius1 As Double
        Dim center2 As New DPNT_T()
        Dim radius2 As Double
        Dim cross_num As Integer = 0
        Dim cross1 As New DPNT_T()
        Dim cross2 As New DPNT_T()

        Const  ans_num As Integer = 2

        ' 円1の設定.
        center1.x = 200
        center1.y = 200
        radius1 = 150.0
        ' 円2の設定.
        center2.x = 300
        center2.y = 300
        radius2 = 150.0

        status = api.fnFIE_cg_calc_cross_2circleB(center1, radius1, center2, radius2, cross_num, cross1, _
            cross2)

        Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err))

        ' 結果を出力する.
        ConsoleOut.WriteFunctionName(":" & vbLf)
        Console.WriteLine("cross_num: {0}", cross_num)
        Console.WriteLine("2circleBcross1.x: {0}", cross1.x)
        Console.WriteLine("2circleBcross1.y: {0}", cross1.y)
        Console.WriteLine("2circleBcross2.x: {0}", cross2.x)
        Console.WriteLine("2circleBcross2.y: {0}", cross2.y)
        Console.Write(" ...")
        ConsoleOut.IsTrue(cross_num = ans_num)
    End Sub
End Class

See Also