点から直線までの距離の算出

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

Syntax

C#
public static int fnFIE_cg_calc_distance_point_to_line(
	DPNT_T pnt,
	DLINE_T line,
	ref double dist
)
Visual Basic
Public Shared Function fnFIE_cg_calc_distance_point_to_line ( 
	pnt As DPNT_T,
	line As DLINE_T,
	ByRef dist As Double
) As Integer

Parameters

pnt
Type: fvalgcli..::..DPNT_T
座標点P1
line
Type: fvalgcli..::..DLINE_T
直線L1
dist
Type: System..::..Double%
距離d

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_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_distance_point_to_line()
        {
            int status = (int)f_err.F_ERR_NONE;

            DPNT_T pnts = new DPNT_T();
            DLINE_T line = new DLINE_T();
            double dist = new double();

            const double ans_dist = 80.498447189992;

            // 座標の設定.
            pnts.x = 10;
            pnts.y = 100;
            // 直線の設定.
            line.a = 2;
            line.b = -1;
            line.c = -100;

            status = api.fnFIE_cg_calc_distance_point_to_line(pnts, line, ref dist);

            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("distance = {0}", dist);
            Console.Write(" ...");
            ConsoleOut.IsTrue(DblEqual(dist, ans_dist));
        }
    }
}

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_distance_point_to_line()
        Dim status As Integer = CInt(f_err.F_ERR_NONE)

        Dim pnts As New DPNT_T()
        Dim line As New DLINE_T()
        Dim dist As New Double()

        Const  ans_dist As Double = 80.498447189992

        ' 座標の設定.
        pnts.x = 10
        pnts.y = 100
        ' 直線の設定.
        line.a = 2
        line.b = -1
        line.c = -100

        status = api.fnFIE_cg_calc_distance_point_to_line(pnts, line, dist)

        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("distance = {0}", dist)
        Console.Write(" ...")
        ConsoleOut.IsTrue(DblEqual(dist, ans_dist))
    End Sub
End Class

See Also