点群を通る円と２点を通る直線の交点

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_lineA(
	DPNT_T_PTR pnts,
	int num,
	DPNT_T pnt1,
	DPNT_T pnt2,
	ref int cross_num,
	ref DPNT_T cross1,
	ref DPNT_T cross2
)
Visual Basic
Public Shared Function fnFIE_cg_calc_cross_circle_and_lineA ( 
	pnts As DPNT_T_PTR,
	num As Integer,
	pnt1 As DPNT_T,
	pnt2 As DPNT_T,
	ByRef cross_num As Integer,
	ByRef cross1 As DPNT_T,
	ByRef cross2 As DPNT_T
) As Integer

Parameters

pnts
Type: fvalgcli..::..DPNT_T_PTR
円を生成する座標点群G1。 num 個の点が必要
num
Type: System..::..Int32
点群の点数(3〜16個)
pnt1
Type: fvalgcli..::..DPNT_T
直線を構成する座標点P1
pnt2
Type: fvalgcli..::..DPNT_T
直線を構成する座標点P2
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_lineA()
        {
            int status = (int)f_err.F_ERR_NONE;
            DPNT_T_PTR pts = DPNT_T_PTR.Zero;
            DPNT_T pts1 = new DPNT_T();
            DPNT_T pts2 = new DPNT_T();
            DPNT_T cross1 = new DPNT_T();
            DPNT_T cross2 = new DPNT_T();
            int cross_num = 0;
            int num = 16;

            const int ans_num = 2;

            try
            {
                pts = DPNT_T_PTR.alloc(num);
                pts1.x = 10;
                pts1.y = 10;
                pts2.x = 400;
                pts2.y = 400;

                for (int i = 0; i < num / 2; i++)
                {
                    //点列の半分(0~7).
                    pts[i] = DPNT_T.init(250 + (int)Math.Sqrt(10000 - (150 + 25 * i - 250) * (150 + 25 * i - 250)),
                        150 + 25 * i);
                    //点列の半分(8~15).
                    pts[i + (num / 2)] = DPNT_T.init(250 - (int)Math.Sqrt(10000 - (150 + 25 * i - 250) * (150 + 25 * i - 250)),
                        150 + 25 * i);
                    // circle:(X-250)(X-250)+(Y-250)(Y-250)=100*100, Y=150,175......325
                }

                status = api.fnFIE_cg_calc_cross_circle_and_lineA(pts, num, pts1, pts2, 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("cross1.x: {0}", cross1.x);
                Console.WriteLine("cross1.y: {0}", cross1.y);
                Console.WriteLine("cross2.x: {0}", cross2.x);
                Console.WriteLine("cross2.y: {0}", cross2.y);
                Console.Write(" ...");
                ConsoleOut.IsTrue(cross_num == ans_num);
            }
            finally
            {
                pts.Dispose();
            }
        }
    }
}

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_lineA()
        Dim status As Integer = CInt(f_err.F_ERR_NONE)
        Dim pts As DPNT_T_PTR = DPNT_T_PTR.Zero
        Dim pts1 As New DPNT_T()
        Dim pts2 As New DPNT_T()
        Dim cross1 As New DPNT_T()
        Dim cross2 As New DPNT_T()
        Dim cross_num As Integer = 0
        Dim num As Integer = 16

        Const  ans_num As Integer = 2

        Try
            pts = DPNT_T_PTR.alloc(num)
            pts1.x = 10
            pts1.y = 10
            pts2.x = 400
            pts2.y = 400

            For i As Integer = 0 To num \ 2 - 1
                '点列の半分(0~7).
                pts(i) = DPNT_T.init(250 + CInt(Math.Truncate(Math.Sqrt(10000 - (150 + 25 * i - 250) * (150 + 25 * i - 250)))), 150 + 25 * i)
                '点列の半分(8~15).
                    ' circle:(X-250)(X-250)+(Y-250)(Y-250)=100*100, Y=150,175......325
                pts(i + (num \ 2)) = DPNT_T.init(250 - CInt(Math.Truncate(Math.Sqrt(10000 - (150 + 25 * i - 250) * (150 + 25 * i - 250)))), 150 + 25 * i)
            Next

            status = api.fnFIE_cg_calc_cross_circle_and_lineA(pts, num, pts1, pts2, 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("cross1.x: {0}", cross1.x)
            Console.WriteLine("cross1.y: {0}", cross1.y)
            Console.WriteLine("cross2.x: {0}", cross2.x)
            Console.WriteLine("cross2.y: {0}", cross2.y)
            Console.Write(" ...")
            ConsoleOut.IsTrue(cross_num = ans_num)
        Finally
            pts.Dispose()
        End Try
    End Sub
End Class

See Also