円と直線の交点の算出

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_circle_and_lineB(
	DPNT_T center,
	double radius,
	DLINE_T line,
	ref int cross_num,
	ref DPNT_T cross1,
	ref DPNT_T cross2
)
Visual Basic
Public Shared Function fnFIE_cg_calc_cross_circle_and_lineB ( 
	center As DPNT_T,
	radius As Double,
	line As DLINE_T,
	ByRef cross_num As Integer,
	ByRef cross1 As DPNT_T,
	ByRef cross2 As DPNT_T
) As Integer

Parameters

center
Type: fvalgcli..::..DPNT_T
円の中心座標
radius
Type: System..::..Double
円の半径
line
Type: fvalgcli..::..DLINE_T
直線L1
cross_num
Type: System..::..Int32%
交点数
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_circle_and_lineB()
        {
            int status = (int)f_err.F_ERR_NONE;

            DPNT_T center = new DPNT_T();
            double radius;
            DLINE_T line = new DLINE_T();
            DPNT_T cross1 = new DPNT_T();
            DPNT_T cross2 = new DPNT_T();
            int cross_num = 0;

            const int ans_num = 2;

            // 直線の設定.
            line.a = 0;
            line.b = -1;
            line.c = 60;
            // 円の設定.
            center.x = -60;
            center.y = 60;
            radius = 100.0;

            status = api.fnFIE_cg_calc_cross_circle_and_lineB(center, radius, line, 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("Bcross1.x: {0}", cross1.x);
            Console.WriteLine("Bcross1.y: {0}", cross1.y);
            Console.WriteLine("Bcross2.x: {0}", cross2.x);
            Console.WriteLine("Bcross2.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_circle_and_lineB()
        Dim status As Integer = CInt(f_err.F_ERR_NONE)

        Dim center As New DPNT_T()
        Dim radius As Double
        Dim line As New DLINE_T()
        Dim cross1 As New DPNT_T()
        Dim cross2 As New DPNT_T()
        Dim cross_num As Integer = 0

        Const  ans_num As Integer = 2

        ' 直線の設定.
        line.a = 0
        line.b = -1
        line.c = 60
        ' 円の設定.
        center.x = -60
        center.y = 60
        radius = 100.0

        status = api.fnFIE_cg_calc_cross_circle_and_lineB(center, radius, line, 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("Bcross1.x: {0}", cross1.x)
        Console.WriteLine("Bcross1.y: {0}", cross1.y)
        Console.WriteLine("Bcross2.x: {0}", cross2.x)
        Console.WriteLine("Bcross2.y: {0}", cross2.y)
        Console.Write(" ...")
        ConsoleOut.IsTrue(cross_num = ans_num)
    End Sub
End Class

See Also