点群の射影変換
Namespace: fvalgcliAssembly: fvalgcli (in fvalgcli.dll) Version: 3.1.0.0 (3.1.0.11)
Syntax
C# |
---|
public static int fnFIE_geotrans_perspective_npoints( DPNT_T_PTR src, DPNT_T_PTR dst, int num, FMATRIX_PTR mat ) |
Visual Basic |
---|
Public Shared Function fnFIE_geotrans_perspective_npoints ( src As DPNT_T_PTR, dst As DPNT_T_PTR, num As Integer, mat As FMATRIX_PTR ) As Integer |
Parameters
- src
- Type: fvalgcli..::..DPNT_T_PTR
入力点座標配列
- dst
- Type: fvalgcli..::..DPNT_T_PTR
出力点座標配列
- num
- Type: System..::..Int32
入力点数
- mat
- Type: fvalgcli..::..FMATRIX_PTR
同次変換行列(3x3の正方行列)
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 |
---|---|
// $Revision: 1.1 $ using System; using System.Collections.Generic; using System.Text; using fvalgcli; namespace TC { public partial class FIE { /// <summary> /// 点群の射影変換. /// </summary> [FvPluginExecute] public void fnFIE_geotrans_perspective_npoints() { int status = (int)f_err.F_ERR_NONE; const int num = 5; // 入力点数. DPNT_T_PTR src = IntPtr.Zero; // 入力点座標配列. DPNT_T_PTR dst = IntPtr.Zero; // 出力点座標配列. FMATRIX_PTR mat = FMATRIX_PTR.Zero; // 同次変換行列 const double m00 = 1; const double m01 = 2; const double m02 = 3; const double m10 = 4; const double m11 = 5; const double m12 = 6; const double m20 = 7; const double m21 = 8; const double m22 = 9; try { // 同次変換行列の確保. mat = FMATRIX_PTR.alloc(3, 3); { mat[0,0] = m00; mat[0,1] = m01; mat[0,2] = m02; mat[1,0] = m10; mat[1,1] = m11; mat[1,2] = m12; mat[2,0] = m20; mat[2,1] = m21; mat[2,2] = m22; } // 入力点座標配列の確保と値の設定. src = DPNT_T_PTR.alloc(num); for (int i = 0; i < num; i++) src[i] = DPNT_T.init(i, i * 10); // 出力点座標配列の確保. dst = DPNT_T_PTR.alloc(num); // 処理の実行. status = api.fnFIE_geotrans_perspective_npoints(src, dst, num, mat); // エラー判定. Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status); // 結果出力. ConsoleOut.WriteFunctionName(":"); bool compare = true; for (int i = 0; i < num; i++) { if (i % 3 == 0) Console.Write("\n\t"); Console.Write("[{0}]({1:f3} , {2:f3}), ", i, dst[i].x, dst[i].y); if ( !DblEqual(dst[i].x, (src[i].x * m00 + src[i].y * m01 + m02) / (src[i].x * m20 + src[i].y * m21 + m22)) || !DblEqual(dst[i].y, (src[i].x * m10 + src[i].y * m11 + m12) / (src[i].x * m20 + src[i].y * m21 + m22)) ) { compare = false; } } ConsoleOut.IsTrue(compare); } finally { // オブジェクトの開放. src.Dispose(); dst.Dispose(); mat.Dispose(); } } } } |
Visual Basic | Copy |
---|---|
' $Revision: 1.1 $ Imports System.Collections.Generic Imports System.Text Imports fvalgcli Public Partial Class FIE ''' <summary> ''' 点群の射影変換. ''' </summary> <FvPluginExecute> _ Public Sub fnFIE_geotrans_perspective_npoints() Dim status As Integer = CInt(f_err.F_ERR_NONE) Const num As Integer = 5 ' 入力点数. Dim src As DPNT_T_PTR = IntPtr.Zero ' 入力点座標配列. Dim dst As DPNT_T_PTR = IntPtr.Zero ' 出力点座標配列. Dim mat As FMATRIX_PTR = FMATRIX_PTR.Zero ' 同次変換行列 Const m00 As Double = 1 Const m01 As Double = 2 Const m02 As Double = 3 Const m10 As Double = 4 Const m11 As Double = 5 Const m12 As Double = 6 Const m20 As Double = 7 Const m21 As Double = 8 Const m22 As Double = 9 Try ' 同次変換行列の確保. mat = FMATRIX_PTR.alloc(3, 3) If True Then mat(0, 0) = m00 mat(0, 1) = m01 mat(0, 2) = m02 mat(1, 0) = m10 mat(1, 1) = m11 mat(1, 2) = m12 mat(2, 0) = m20 mat(2, 1) = m21 mat(2, 2) = m22 End If ' 入力点座標配列の確保と値の設定. src = DPNT_T_PTR.alloc(num) For i As Integer = 0 To num - 1 src(i) = DPNT_T.init(i, i * 10) Next ' 出力点座標配列の確保. dst = DPNT_T_PTR.alloc(num) ' 処理の実行. status = api.fnFIE_geotrans_perspective_npoints(src, dst, num, mat) ' エラー判定. Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err)) ' 結果出力. ConsoleOut.WriteFunctionName(":") Dim compare As Boolean = True For i As Integer = 0 To num - 1 If i Mod 3 = 0 Then Console.Write(vbLf & vbTab) End If Console.Write("[{0}]({1:f3} , {2:f3}), ", i, dst(i).x, dst(i).y) If Not DblEqual(dst(i).x, (src(i).x * m00 + src(i).y * m01 + m02) / (src(i).x * m20 + src(i).y * m21 + m22)) OrElse Not DblEqual(dst(i).y, (src(i).x * m10 + src(i).y * m11 + m12) / (src(i).x * m20 + src(i).y * m21 + m22)) Then compare = False End If Next ConsoleOut.IsTrue(compare) Finally ' オブジェクトの開放. src.Dispose() dst.Dispose() mat.Dispose() End Try End Sub End Class |