EASYGIS Archives - icodebroker

[C#/WINFORM/EASYGIS] ShapeFileWriter 클래스 : 도형 파일 생성하기

■ ShapeFileWriter 클래스를 사용해 도형 파일을 생성하는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Collections.Specialized;
using System.IO;
using System.Windows.Forms;

using EGIS.ShapeFileLib;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.inputShapeFileButton.Click          += inputShapeFileButton_Click;
            this.outputShapeFileButton.Click         += outputShapeFileButton_Click;
            this.filterComboBox.SelectedIndexChanged += filterComboBox_SelectedIndexChanged;
            this.filterCheckedListBox.Click          += filterCheckedListBox_Click;
            this.filterCheckedListBox.ItemCheck      += filterCheckedListBox_ItemCheck;
            this.generateButton.Click                += generateButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 입력 도형 파일 버튼 클릭시 처리하기 - inputShapefileButton_Click(sender, e)

        /// <summary>
        /// 입력 도형 파일 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void inputShapeFileButton_Click(object sender, EventArgs e)
        {
            try
            {
                if(this.openFileDialog.ShowDialog(this) == DialogResult.OK)
                {
                    LoadInputShapeFile(this.openFileDialog.FileName);
                }
            }
            catch(Exception exception)
            {
                MessageBox.Show(exception.ToString());
            }
            finally
            {
                this.outputPanel.Enabled = !string.IsNullOrEmpty(this.inputShapeFileTextBox.Text);
            }
        }

        #endregion
        #region 출력 도형 파일 버튼 클릭시 처리하기 - outputShapeFileButton_Click(sender, e)

        /// <summary>
        /// 출력 도형 파일 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void outputShapeFileButton_Click(object sender, EventArgs e)
        {
            if(this.saveFileDialog.ShowDialog(this) == DialogResult.OK)
            {
                this.outputShapeFileTextBox.Text = this.saveFileDialog.FileName;
            }
        }

        #endregion
        #region 필터 콤보 박스 선택 인덱스 변경시 처리하기 - filterComboBox_SelectedIndexChanged(sender, e)

        /// <summary>
        /// 필터 콤보 박스 선택 인덱스 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void filterComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if(this.filterComboBox.SelectedIndex >= 0)
            {
                Cursor = Cursors.WaitCursor;

                this.filterCheckedListBox.Items.Clear();

                this.filterCheckedListBox.Enabled = false;

                this.filterCheckedListBox.SuspendLayout();

                this.filterCheckedListBox.BeginUpdate();

                DbfReader reader = null;

                try
                {
                    reader = new DbfReader(Path.ChangeExtension(this.inputShapeFileTextBox.Text, ".dbf"));

                    string[] recordArray = reader.GetDistinctRecords(this.filterComboBox.SelectedIndex);

                    if(recordArray.Length > 1000 && this.limitRecordCountCheckBox.Checked)
                    {
                        Array.Resize(ref recordArray, 1000);
                    }

                    this.filterCheckedListBox.Items.AddRange(recordArray);
                }
                finally
                {
                    this.filterCheckedListBox.EndUpdate();

                    this.filterCheckedListBox.Enabled = true;

                    this.filterCheckedListBox.ResumeLayout();

                    Cursor = Cursors.Default;

                    reader.Close();

                    this.generateButton.Enabled = this.filterCheckedListBox.CheckedIndices.Count > 0;
                }
            }
        }

        #endregion
        #region 필터 체크 리스트 박스 클릭시 처리하기 - filterCheckedListBox_Click(sender, e)

        /// <summary>
        /// 필터 체크 리스트 박스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void filterCheckedListBox_Click(object sender, EventArgs e)
        {
            this.generateButton.Enabled = this.filterCheckedListBox.CheckedIndices.Count > 0;
        }

        #endregion
        #region 필터 체크 리스트 박스 항목 체크시 처리하기 - filterCheckedListBox_ItemCheck(sender, e)

        /// <summary>
        /// 필터 체크 리스트 박스 항목 체크시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void filterCheckedListBox_ItemCheck(object sender, ItemCheckEventArgs e)
        {
            this.generateButton.Enabled = (this.filterCheckedListBox.CheckedIndices.Count > 1) || (e.NewValue == CheckState.Checked);
        }

        #endregion
        #region 출력 도형 파일 생성 버튼 클릭시 처리하기 - generateButton_Click(sender, e)

        /// <summary>
        /// 출력 도형 파일 생성 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void generateButton_Click(object sender, EventArgs e)
        {
            GenerateOutputShapeFile();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 입력 도형 파일 로드하기 - LoadInputShapeFile(filePath)

        /// <summary>
        /// 입력 도형 파일 로드하기
        /// </summary>
        /// <param name="filePath">파일 경로</param>
        private void LoadInputShapeFile(string filePath)
        {
            this.inputShapeFileTextBox.Text = filePath;

            this.filterComboBox.Items.Clear();

            this.filterCheckedListBox.Items.Clear();

            DbfReader reader = null;

            try
            {
                reader = new DbfReader(Path.ChangeExtension(filePath, ".dbf"));

                this.filterComboBox.Items.AddRange(reader.GetFieldNames());
            }
            finally
            {
                if(reader != null)
                {
                    reader.Close();
                }
            }

            this.filterComboBox.SelectedIndex = 0;
        }

        #endregion
        #region 출력 도형 파일 생성하기 - GenerateOutputShapeFile()

        /// <summary>
        /// 출력 도형 파일 생성하기
        /// </summary>
        private void GenerateOutputShapeFile()
        {
            if(string.IsNullOrEmpty(this.outputShapeFileTextBox.Text) || this.filterCheckedListBox.CheckedIndices.Count == 0)
            {
                return;
            }

            int fieldIndex = this.filterComboBox.SelectedIndex;

            if(fieldIndex == -1)
            {
                MessageBox.Show(this, "선택된 필드가 없습니다.", "INFORMATION");

                return;
            }

            ShapeFile shapeFile = new ShapeFile(this.inputShapeFileTextBox.Text);

            DbfReader reader = new DbfReader(Path.ChangeExtension(this.inputShapeFileTextBox.Text, ".dbf"));

            StringCollection stringCollection = new StringCollection();

            for(int i = 0; i < this.filterCheckedListBox.CheckedIndices.Count; i++)
            {
                stringCollection.Add(this.filterCheckedListBox.Items[this.filterCheckedListBox.CheckedIndices[i]] as string);
            }

            string rootDirectoryPath = Path.GetDirectoryName(this.outputShapeFileTextBox.Text);

            string shapeFileName = Path.GetFileNameWithoutExtension(this.outputShapeFileTextBox.Text);

            ShapeFileWriter writer;

            ShapeType shapeType = shapeFile.ShapeType;

            if(shapeFile.ShapeType == ShapeType.PolygonZ)
            {
                shapeType = ShapeType.Polygon;
            }

            DbfFieldDesc[] fieldDescriptionArray = reader.DbfRecordHeader.GetFieldDescriptions();

            for(int i = 0; i < fieldDescriptionArray.Length; i++)
            {
                fieldDescriptionArray[i].FieldType = DbfFieldType.Character;
            }

            if(this.appendCheckBox.Checked)
            {
                writer = ShapeFileWriter.OpenWriter(rootDirectoryPath, shapeFileName);
            }
            else
            {
                writer = ShapeFileWriter.CreateWriter(rootDirectoryPath, shapeFileName, shapeType, fieldDescriptionArray);
            }

            try
            {
                Cursor = Cursors.WaitCursor;

                this.toolStripProgressBar.Maximum = shapeFile.RecordCount;
                this.toolStripProgressBar.Value   = 0;

                ShapeFileEnumerator enumerator = shapeFile.GetShapeFileEnumerator();

                for(int i = 0; i < shapeFile.RecordCount; i++)
                {
                    string[] fieldArray = reader.GetFields(i);

                    bool include = false;

                    for(int j = 0; !include && j < stringCollection.Count; j++)
                    {
                        include = (string.Compare(fieldArray[fieldIndex].Trim(), stringCollection[j], true) == 0);
                    }

                    if(include)
                    {
                        if(shapeType == ShapeType.Point)
                        {
                            writer.AddRecord(shapeFile.GetShapeDataD(i)[0], 1, fieldArray);
                        }
                        else
                        {
                            writer.AddRecord(shapeFile.GetShapeDataD(i), fieldArray);
                        }
                    }

                    this.toolStripProgressBar.Increment(1);
                }

                MessageBox.Show("신규 도형 파일이 성공적으로 생성되었습니다.");
            }
            finally
            {
                Cursor = Cursors.Default;

                writer.Close();

                shapeFile.Close();

                reader.Close();
            }
        }

        #endregion
    }
}

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using System;

using System.Collections.Specialized;

using System.IO;

using System.Windows.Forms;

using EGIS.ShapeFileLib;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.inputShapeFileButton.Click += inputShapeFileButton_Click;

this.outputShapeFileButton.Click += outputShapeFileButton_Click;

this.filterComboBox.SelectedIndexChanged += filterComboBox_SelectedIndexChanged;

this.filterCheckedListBox.Click += filterCheckedListBox_Click;

this.filterCheckedListBox.ItemCheck += filterCheckedListBox_ItemCheck;

this.generateButton.Click += generateButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 입력 도형 파일 버튼 클릭시 처리하기 - inputShapefileButton_Click(sender, e)

/// <summary>

/// 입력 도형 파일 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void inputShapeFileButton_Click(object sender, EventArgs e)

{

try

{

if(this.openFileDialog.ShowDialog(this) == DialogResult.OK)

{

LoadInputShapeFile(this.openFileDialog.FileName);

}

catch(Exception exception)

{

MessageBox.Show(exception.ToString());

}

finally

{

this.outputPanel.Enabled = !string.IsNullOrEmpty(this.inputShapeFileTextBox.Text);

}

#endregion

#region 출력 도형 파일 버튼 클릭시 처리하기 - outputShapeFileButton_Click(sender, e)

/// <summary>

/// 출력 도형 파일 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void outputShapeFileButton_Click(object sender, EventArgs e)

{

if(this.saveFileDialog.ShowDialog(this) == DialogResult.OK)

{

this.outputShapeFileTextBox.Text = this.saveFileDialog.FileName;

}

#endregion

#region 필터 콤보 박스 선택 인덱스 변경시 처리하기 - filterComboBox_SelectedIndexChanged(sender, e)

/// <summary>

/// 필터 콤보 박스 선택 인덱스 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void filterComboBox_SelectedIndexChanged(object sender, EventArgs e)

{

if(this.filterComboBox.SelectedIndex >= 0)

{

Cursor = Cursors.WaitCursor;

this.filterCheckedListBox.Items.Clear();

this.filterCheckedListBox.Enabled = false;

this.filterCheckedListBox.SuspendLayout();

this.filterCheckedListBox.BeginUpdate();

DbfReader reader = null;

try

{

reader = new DbfReader(Path.ChangeExtension(this.inputShapeFileTextBox.Text, ".dbf"));

string[] recordArray = reader.GetDistinctRecords(this.filterComboBox.SelectedIndex);

if(recordArray.Length > 1000 && this.limitRecordCountCheckBox.Checked)

{

Array.Resize(ref recordArray, 1000);

}

this.filterCheckedListBox.Items.AddRange(recordArray);

}

finally

{

this.filterCheckedListBox.EndUpdate();

this.filterCheckedListBox.Enabled = true;

this.filterCheckedListBox.ResumeLayout();

Cursor = Cursors.Default;

reader.Close();

this.generateButton.Enabled = this.filterCheckedListBox.CheckedIndices.Count > 0;

}

#endregion

#region 필터 체크 리스트 박스 클릭시 처리하기 - filterCheckedListBox_Click(sender, e)

/// <summary>

/// 필터 체크 리스트 박스 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void filterCheckedListBox_Click(object sender, EventArgs e)

{

this.generateButton.Enabled = this.filterCheckedListBox.CheckedIndices.Count > 0;

}

#endregion

#region 필터 체크 리스트 박스 항목 체크시 처리하기 - filterCheckedListBox_ItemCheck(sender, e)

/// <summary>

/// 필터 체크 리스트 박스 항목 체크시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void filterCheckedListBox_ItemCheck(object sender, ItemCheckEventArgs e)

{

this.generateButton.Enabled = (this.filterCheckedListBox.CheckedIndices.Count > 1) || (e.NewValue == CheckState.Checked);

}

#endregion

#region 출력 도형 파일 생성 버튼 클릭시 처리하기 - generateButton_Click(sender, e)

/// <summary>

/// 출력 도형 파일 생성 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void generateButton_Click(object sender, EventArgs e)

{

GenerateOutputShapeFile();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 입력 도형 파일 로드하기 - LoadInputShapeFile(filePath)

/// <summary>

/// 입력 도형 파일 로드하기

/// </summary>

/// <param name="filePath">파일 경로</param>

private void LoadInputShapeFile(string filePath)

{

this.inputShapeFileTextBox.Text = filePath;

this.filterComboBox.Items.Clear();

this.filterCheckedListBox.Items.Clear();

DbfReader reader = null;

try

{

reader = new DbfReader(Path.ChangeExtension(filePath, ".dbf"));

this.filterComboBox.Items.AddRange(reader.GetFieldNames());

}

finally

{

if(reader != null)

{

reader.Close();

}

this.filterComboBox.SelectedIndex = 0;

}

#endregion

#region 출력 도형 파일 생성하기 - GenerateOutputShapeFile()

/// <summary>

/// 출력 도형 파일 생성하기

/// </summary>

private void GenerateOutputShapeFile()

{

if(string.IsNullOrEmpty(this.outputShapeFileTextBox.Text) || this.filterCheckedListBox.CheckedIndices.Count == 0)

{

return;

}

int fieldIndex = this.filterComboBox.SelectedIndex;

if(fieldIndex == -1)

{

MessageBox.Show(this, "선택된 필드가 없습니다.", "INFORMATION");

return;

}

ShapeFile shapeFile = new ShapeFile(this.inputShapeFileTextBox.Text);

DbfReader reader = new DbfReader(Path.ChangeExtension(this.inputShapeFileTextBox.Text, ".dbf"));

StringCollection stringCollection = new StringCollection();

for(int i = 0; i < this.filterCheckedListBox.CheckedIndices.Count; i++)

{

stringCollection.Add(this.filterCheckedListBox.Items[this.filterCheckedListBox.CheckedIndices[i]] as string);

}

string rootDirectoryPath = Path.GetDirectoryName(this.outputShapeFileTextBox.Text);

string shapeFileName = Path.GetFileNameWithoutExtension(this.outputShapeFileTextBox.Text);

ShapeFileWriter writer;

ShapeType shapeType = shapeFile.ShapeType;

if(shapeFile.ShapeType == ShapeType.PolygonZ)

{

shapeType = ShapeType.Polygon;

}

DbfFieldDesc[] fieldDescriptionArray = reader.DbfRecordHeader.GetFieldDescriptions();

for(int i = 0; i < fieldDescriptionArray.Length; i++)

{

fieldDescriptionArray[i].FieldType = DbfFieldType.Character;

}

if(this.appendCheckBox.Checked)

{

writer = ShapeFileWriter.OpenWriter(rootDirectoryPath, shapeFileName);

}

else

{

writer = ShapeFileWriter.CreateWriter(rootDirectoryPath, shapeFileName, shapeType, fieldDescriptionArray);

}

try

{

Cursor = Cursors.WaitCursor;

this.toolStripProgressBar.Maximum = shapeFile.RecordCount;

this.toolStripProgressBar.Value = 0;

ShapeFileEnumerator enumerator = shapeFile.GetShapeFileEnumerator();

for(int i = 0; i < shapeFile.RecordCount; i++)

{

string[] fieldArray = reader.GetFields(i);

bool include = false;

for(int j = 0; !include && j < stringCollection.Count; j++)

{

include = (string.Compare(fieldArray[fieldIndex].Trim(), stringCollection[j], true) == 0);

}

if(include)

{

if(shapeType == ShapeType.Point)

{

writer.AddRecord(shapeFile.GetShapeDataD(i)[0], 1, fieldArray);

}

else

{

writer.AddRecord(shapeFile.GetShapeDataD(i), fieldArray);

}

this.toolStripProgressBar.Increment(1);

}

MessageBox.Show("신규 도형 파일이 성공적으로 생성되었습니다.");

}

finally

{

Cursor = Cursors.Default;

writer.Close();

shapeFile.Close();

reader.Close();

}

#endregion

}

TestProject.zip

[C#/WINFORM/EASYGIS] ShapeFile 클래스 : GetShapeFileEnumerator 메소드를 사용해 도형 파일 특성 설명 나열하기

■ ShapeFile 클래스의 GetShapeFileEnumerator 메소드를 사용해 도형 파일 특성 설명을 나열하는 방법을 보여준다. ▶ MainForm.cs


using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

using EGIS.ShapeFileLib;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.openMenuItem.Click += openMenuItem_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region Open 메뉴 항목 클릭시 처리하기 - openMenuItem_Click(sender, e)

        /// <summary>
        /// Open 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void openMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                if(this.openFileDialog.ShowDialog(this) == DialogResult.OK)
                {
                    DateTime startTime = DateTime.Now;

                    ReadShapeFile(this.openFileDialog.FileName);

                    this.richTextBox.AppendText
                    (
                        string.Format
                        (
                            "Time to output attributes : {0}s",
                            ((TimeSpan)DateTime.Now.Subtract(startTime)).TotalSeconds
                        )
                    );

                    this.richTextBox.ScrollToCaret();
                }
            }
            catch(Exception exception)
            {
                MessageBox.Show(exception.ToString());
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 레코드 그리드 포인트 리스트 구하기 - GetRecordGridPointList(shapefile, recordIndex, gridCountX, gridCountY)

        /// <summary>
        /// 레코드 그리드 포인트 리스트 구하기
        /// </summary>
        /// <param name="shapefile">도형 파일</param>
        /// <param name="recordIndex">레코드 인덱스</param>
        /// <param name="gridCountX">그리드 카운트 X</param>
        /// <param name="gridCountY">그리드 카운트 Y</param>
        /// <returns>레코드 그리드 포인트 리스트</returns>
        private List<PointD> GetRecordGridPointList(ShapeFile shapefile, int recordIndex, int gridCountX, int gridCountY)
        {
            if(shapefile.ShapeType != ShapeType.Polygon)
            {
                throw new Exception("only polygon shapefiles supported");
            }

            List<PointD> gridPointList = new List<PointD>();

            ReadOnlyCollection<PointD[]> shapePointArrayCollection = shapefile.GetShapeDataD(recordIndex);

            foreach(PointD[] shapePointArray in shapePointArrayCollection)
            {
                double minimumX = double.PositiveInfinity;
                double minimumY = double.PositiveInfinity;
                double maximumX = double.NegativeInfinity;
                double maximumY = double.NegativeInfinity;

                for(int i = shapePointArray.Length - 1; i >= 0; --i)
                {
                    if(minimumX > shapePointArray[i].X)
                    {
                        minimumX = shapePointArray[i].X;
                    }

                    if(minimumY > shapePointArray[i].Y)
                    {
                        minimumY = shapePointArray[i].Y;
                    }

                    if(maximumX < shapePointArray[i].X)
                    {
                        maximumX = shapePointArray[i].X;
                    }

                    if(maximumY < shapePointArray[i].Y)
                    {
                        maximumY = shapePointArray[i].Y;
                    }
                }

                double cellWidth  = (maximumX - minimumX) / gridCountX;
                double cellHeight = (maximumY - minimumY) / gridCountY;

                double x = minimumX;

                while(x <= maximumX)
                {
                    double y = minimumY;

                    while(y <= maximumY)
                    {
                        if(GeometryAlgorithms.PointInPolygon(shapePointArray, x, y))
                        {
                            gridPointList.Add(new PointD(x, y));
                        }

                        y += cellHeight;
                    }

                    x += cellWidth;
                }
            }

            return gridPointList;
        }

        #endregion
        #region 포인트 그리드 생성하기 - GeneratePointGrid(shapefile)

        /// <summary>
        /// 포인트 그리드 생성하기
        /// </summary>
        /// <param name="shapefile">도형 파일</param>
        private void GeneratePointGrid(ShapeFile shapefile)
        {
            for(int n = 0; n < shapefile.RecordCount; n++)
            {
                List<PointD> gridPointList = GetRecordGridPointList(shapefile, n, 50, 50);

                using(Bitmap bitmap = new Bitmap(360, 180))
                {
                    using(Graphics graphics = Graphics.FromImage(bitmap))
                    {
                        for(int i = gridPointList.Count - 1; i >= 0; --i)
                        {
                            float x = (float)gridPointList[i].X;

                            if(x > 180)
                            {
                                x -= 180;
                            }

                            x += 180;

                            float y = 180 - ((float)gridPointList[i].Y + 90);

                            graphics.FillEllipse(Brushes.Red, x, y, 2, 2);
                        }
                    }

                    bitmap.Save(string.Format("record_{0}.bmp", n), ImageFormat.Bmp);
                }
            }
        }

        #endregion
        #region 도형 파일 읽기 - ReadShapeFile(filePath)

        /// <summary>
        /// 도형 파일 읽기
        /// </summary>
        /// <param name="filePath">파일 경로</param>
        private void ReadShapeFile(string filePath)
        {
            ShapeFile.MapFilesInMemory = true;

            this.richTextBox.Clear();

            this.richTextBox.ScrollToCaret();

            bool outputPointsChecked  = this.outputPointsCheckBox.Checked;
            bool outputZValuesChecked = this.outputZValuesCheckBox.Checked;
            bool outputMValuesChecked = this.outputMValuesCheckBox.Checked;

            ShapeFile shapeFile = new ShapeFile(filePath);

            try
            {
                this.richTextBox.AppendText(string.Format("파일 경로 : {0}\n", shapeFile.FilePath   ));
                this.richTextBox.AppendText(string.Format("범위      : {0}\n", shapeFile.Extent     ));
                this.richTextBox.AppendText(string.Format("도형 수   : {0}\n", shapeFile.RecordCount));
                this.richTextBox.AppendText(string.Format("도형 타입 : {0}\n", shapeFile.ShapeType  ));

                shapeFile.RenderSettings = new RenderSettings(filePath, "", Font);

                DbfReader reader = shapeFile.RenderSettings.DbfReader;

                this.richTextBox.AppendText("\n--- DBF 필드 설명 ---\n");

                foreach(DbfFieldDesc fieldDescription in reader.DbfRecordHeader.GetFieldDescriptions())
                {
                    this.richTextBox.AppendText(fieldDescription + "\n");
                }

                if(outputZValuesChecked)
                {
                    outputZValuesChecked = (shapeFile.ShapeType == ShapeType.PolygonZ || shapeFile.ShapeType == ShapeType.PointZ);
                }

                if(outputPointsChecked || outputZValuesChecked || outputMValuesChecked)
                {
                    this.richTextBox.AppendText("포인트 데이터 출력...\n");

                    this.richTextBox.Refresh();

                    this.richTextBox.ScrollToCaret();

                    using(StreamWriter writer = new StreamWriter("d:\\output.txt"))
                    {
                        ShapeFileEnumerator enumerator = shapeFile.GetShapeFileEnumerator();

                        int recordIndex = 0;

                        while(enumerator.MoveNext())
                        {
                            writer.WriteLine(string.Format("레코드 : {0}", recordIndex));

                            if(outputPointsChecked)
                            {
                                ReadOnlyCollection<PointD[]> pointArrayCollection = enumerator.Current;

                                foreach(PointD[] pointArray in pointArrayCollection)
                                {
                                    if(pointArray.Length < 50)
                                    {
                                        writer.Write(string.Format("[포인트 수 : {0}]", pointArray.Length));

                                        for(int i = 0; i < pointArray.Length; i++)
                                        {
                                            if(i > 0)
                                            {
                                                writer.Write(',');
                                            }

                                            writer.Write(pointArray[i].ToString());
                                        }

                                        writer.WriteLine();
                                    }
                                }
                            }

                            if(outputZValuesChecked)
                            {
                                ReadOnlyCollection<double[]> zValueArrayCollection = enumerator.GetCurrentZValues();

                                if(zValueArrayCollection != null)
                                {
                                    writer.Write("Z 값 배열 :");

                                    foreach(double[] zValueArray in zValueArrayCollection)
                                    {
                                        writer.Write("[높이 수 : {0}]", zValueArray.Length);

                                        for(int i = 0; i < zValueArray.Length; i++)
                                        {
                                            if(i > 0)
                                            {
                                                writer.Write(',');
                                            }

                                            writer.Write(zValueArray[i]);
                                        }
                                    }
                                }

                                writer.WriteLine();
                            }

                            if(outputMValuesChecked)
                            {
                                ReadOnlyCollection<double[]> mValueArrayCollection = shapeFile.GetShapeMDataD(recordIndex);

                                if(mValueArrayCollection != null)
                                {
                                    foreach(double[] mValueArray in mValueArrayCollection)
                                    {
                                        if(mValueArray.Length < 50)
                                        {
                                            writer.Write("[측정 수 : {0}]", mValueArray.Length);

                                            for(int i = 0; i < mValueArray.Length; i++)
                                            {
                                                if(i > 0)
                                                {
                                                    writer.Write(", ");
                                                }

                                                writer.Write(mValueArray[i]);
                                            }

                                            writer.WriteLine();
                                        }
                                    }
                                }

                                writer.WriteLine();
                            }

                            recordIndex++;
                        }

                        enumerator.Dispose();
                    }

                    this.richTextBox.AppendText("포인트 데이터 파일 출력\n");
                }

                GeneratePointGrid(shapeFile);
            }
            finally
            {
                shapeFile.Close();

                shapeFile.Dispose();
            }
        }

        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Drawing;

using System.Drawing.Imaging;

using System.IO;

using System.Windows.Forms;

using EGIS.ShapeFileLib;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.openMenuItem.Click += openMenuItem_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region Open 메뉴 항목 클릭시 처리하기 - openMenuItem_Click(sender, e)

/// <summary>

/// Open 메뉴 항목 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void openMenuItem_Click(object sender, EventArgs e)

{

try

{

if(this.openFileDialog.ShowDialog(this) == DialogResult.OK)

{

DateTime startTime = DateTime.Now;

ReadShapeFile(this.openFileDialog.FileName);

this.richTextBox.AppendText

(

string.Format

(

"Time to output attributes : {0}s",

((TimeSpan)DateTime.Now.Subtract(startTime)).TotalSeconds

)

);

this.richTextBox.ScrollToCaret();

}

catch(Exception exception)

{

MessageBox.Show(exception.ToString());

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 레코드 그리드 포인트 리스트 구하기 - GetRecordGridPointList(shapefile, recordIndex, gridCountX, gridCountY)

/// <summary>

/// 레코드 그리드 포인트 리스트 구하기

/// </summary>

/// <param name="shapefile">도형 파일</param>

/// <param name="recordIndex">레코드 인덱스</param>

/// <param name="gridCountX">그리드 카운트 X</param>

/// <param name="gridCountY">그리드 카운트 Y</param>

/// <returns>레코드 그리드 포인트 리스트</returns>

private List<PointD> GetRecordGridPointList(ShapeFile shapefile, int recordIndex, int gridCountX, int gridCountY)

{

if(shapefile.ShapeType != ShapeType.Polygon)

{

throw new Exception("only polygon shapefiles supported");

}

List<PointD> gridPointList = new List<PointD>();

ReadOnlyCollection<PointD[]> shapePointArrayCollection = shapefile.GetShapeDataD(recordIndex);

foreach(PointD[] shapePointArray in shapePointArrayCollection)

{

double minimumX = double.PositiveInfinity;

double minimumY = double.PositiveInfinity;

double maximumX = double.NegativeInfinity;

double maximumY = double.NegativeInfinity;

for(int i = shapePointArray.Length - 1; i >= 0; --i)

{

if(minimumX > shapePointArray[i].X)

{

minimumX = shapePointArray[i].X;

}

if(minimumY > shapePointArray[i].Y)

{

minimumY = shapePointArray[i].Y;

}

if(maximumX < shapePointArray[i].X)

{

maximumX = shapePointArray[i].X;

}

if(maximumY < shapePointArray[i].Y)

{

maximumY = shapePointArray[i].Y;

}

double cellWidth = (maximumX - minimumX) / gridCountX;

double cellHeight = (maximumY - minimumY) / gridCountY;

double x = minimumX;

while(x <= maximumX)

{

double y = minimumY;

while(y <= maximumY)

{

if(GeometryAlgorithms.PointInPolygon(shapePointArray, x, y))

{

gridPointList.Add(new PointD(x, y));

}

y += cellHeight;

}

x += cellWidth;

}

return gridPointList;

}

#endregion

#region 포인트 그리드 생성하기 - GeneratePointGrid(shapefile)

/// <summary>

/// 포인트 그리드 생성하기

/// </summary>

/// <param name="shapefile">도형 파일</param>

private void GeneratePointGrid(ShapeFile shapefile)

{

for(int n = 0; n < shapefile.RecordCount; n++)

{

List<PointD> gridPointList = GetRecordGridPointList(shapefile, n, 50, 50);

using(Bitmap bitmap = new Bitmap(360, 180))

{

using(Graphics graphics = Graphics.FromImage(bitmap))

{

for(int i = gridPointList.Count - 1; i >= 0; --i)

{

float x = (float)gridPointList[i].X;

if(x > 180)

{

x -= 180;

}

x += 180;

float y = 180 - ((float)gridPointList[i].Y + 90);

graphics.FillEllipse(Brushes.Red, x, y, 2, 2);

}

bitmap.Save(string.Format("record_{0}.bmp", n), ImageFormat.Bmp);

}

#endregion

#region 도형 파일 읽기 - ReadShapeFile(filePath)

/// <summary>

/// 도형 파일 읽기

/// </summary>

/// <param name="filePath">파일 경로</param>

private void ReadShapeFile(string filePath)

{

ShapeFile.MapFilesInMemory = true;

this.richTextBox.Clear();

this.richTextBox.ScrollToCaret();

bool outputPointsChecked = this.outputPointsCheckBox.Checked;

bool outputZValuesChecked = this.outputZValuesCheckBox.Checked;

bool outputMValuesChecked = this.outputMValuesCheckBox.Checked;

ShapeFile shapeFile = new ShapeFile(filePath);

try

{

this.richTextBox.AppendText(string.Format("파일 경로 : {0}\n", shapeFile.FilePath ));

this.richTextBox.AppendText(string.Format("범위 : {0}\n", shapeFile.Extent ));

this.richTextBox.AppendText(string.Format("도형 수 : {0}\n", shapeFile.RecordCount));

this.richTextBox.AppendText(string.Format("도형 타입 : {0}\n", shapeFile.ShapeType ));

shapeFile.RenderSettings = new RenderSettings(filePath, "", Font);

DbfReader reader = shapeFile.RenderSettings.DbfReader;

this.richTextBox.AppendText("\n--- DBF 필드 설명 ---\n");

foreach(DbfFieldDesc fieldDescription in reader.DbfRecordHeader.GetFieldDescriptions())

{

this.richTextBox.AppendText(fieldDescription + "\n");

}

if(outputZValuesChecked)

{

outputZValuesChecked = (shapeFile.ShapeType == ShapeType.PolygonZ || shapeFile.ShapeType == ShapeType.PointZ);

}

if(outputPointsChecked || outputZValuesChecked || outputMValuesChecked)

{

this.richTextBox.AppendText("포인트 데이터 출력...\n");

this.richTextBox.Refresh();

this.richTextBox.ScrollToCaret();

using(StreamWriter writer = new StreamWriter("d:\\output.txt"))

{

ShapeFileEnumerator enumerator = shapeFile.GetShapeFileEnumerator();

int recordIndex = 0;

while(enumerator.MoveNext())

{

writer.WriteLine(string.Format("레코드 : {0}", recordIndex));

if(outputPointsChecked)

{

ReadOnlyCollection<PointD[]> pointArrayCollection = enumerator.Current;

foreach(PointD[] pointArray in pointArrayCollection)

{

if(pointArray.Length < 50)

{

writer.Write(string.Format("[포인트 수 : {0}]", pointArray.Length));

for(int i = 0; i < pointArray.Length; i++)

{

if(i > 0)

{

writer.Write(',');

}

writer.Write(pointArray[i].ToString());

}

writer.WriteLine();

}

if(outputZValuesChecked)

{

ReadOnlyCollection<double[]> zValueArrayCollection = enumerator.GetCurrentZValues();

if(zValueArrayCollection != null)

{

writer.Write("Z 값 배열 :");

foreach(double[] zValueArray in zValueArrayCollection)

{

writer.Write("[높이 수 : {0}]", zValueArray.Length);

for(int i = 0; i < zValueArray.Length; i++)

{

if(i > 0)

{

writer.Write(',');

}

writer.Write(zValueArray[i]);

}

writer.WriteLine();

}

if(outputMValuesChecked)

{

ReadOnlyCollection<double[]> mValueArrayCollection = shapeFile.GetShapeMDataD(recordIndex);

if(mValueArrayCollection != null)

{

foreach(double[] mValueArray in mValueArrayCollection)

{

if(mValueArray.Length < 50)

{

writer.Write("[측정 수 : {0}]", mValueArray.Length);

for(int i = 0; i < mValueArray.Length; i++)

{

if(i > 0)

{

writer.Write(", ");

}

writer.Write(mValueArray[i]);

}

writer.WriteLine();

}

writer.WriteLine();

}

recordIndex++;

}

enumerator.Dispose();

}

this.richTextBox.AppendText("포인트 데이터 파일 출력\n");

}

GeneratePointGrid(shapeFile);

}

finally

{

shapeFile.Close();

shapeFile.Dispose();

}

#endregion

}

TestProject.zip

[C#/WINFORM/EASYGIS] SFMap 클래스 : AddShapeFile 메소드를 사용해 SHP 파일 로드하기

■ SFMap 클래스의 AddShapeFile 메소드를 사용해 SHP 파일을 로드하는 방법을 보여준다. ▶ MainForm.cs


using System.Drawing;
using System.Text;
using System.Windows.Forms;

using EGIS.Controls;
using EGIS.ShapeFileLib;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.map.ClearShapeFiles();

            this.map.AddShapeFile("DATA\\world_adm0.shp", "ShapeFile", "");

            ShapeFile shapeFile = this.map[0];

            shapeFile.RenderSettings.FieldName        = shapeFile.RenderSettings.DbfReader.GetFieldNames()[0];
            shapeFile.RenderSettings.UseToolTip       = true;
            shapeFile.RenderSettings.ToolTipFieldName = shapeFile.RenderSettings.FieldName;
            shapeFile.RenderSettings.IsSelectable     = true;
            shapeFile.RenderSettings.Font             = new Font("나눔고딕코딩", 12f);

            shapeFile.SelectRecord(5, true);

            this.map.MouseClick += map_MouseClick;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 맵 마우스 클릭시 처리하기 - map_MouseClick(sender, e)

        /// <summary>
        /// 맵 마우스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void map_MouseClick(object sender, MouseEventArgs e)
        {
            SFMap map = sender as SFMap;

            int recordIndex = map.GetShapeIndexAtPixelCoord(0, e.Location, 8);

            if(recordIndex >= 0)
            {
                string[] attributeFieldValueArray = map[0].GetAttributeFieldValues(recordIndex);
                string[] attributeFieldNameArray  = map[0].GetAttributeFieldNames();

                StringBuilder stringBuilder = new StringBuilder();

                for(int i = 0; i < attributeFieldNameArray.Length; ++i)
                {
                    stringBuilder.Append($"{attributeFieldNameArray[i]}:{attributeFieldValueArray[i].Trim()}");
                }

                MessageBox.Show
                (
                    this,
                    stringBuilder.ToString(),
                    "INFORMATION",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Information
                );
            }
        }

        #endregion
    }
}

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using EGIS.Controls;

using EGIS.ShapeFileLib;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.map.ClearShapeFiles();

this.map.AddShapeFile("DATA\\world_adm0.shp", "ShapeFile", "");

ShapeFile shapeFile = this.map[0];

shapeFile.RenderSettings.FieldName = shapeFile.RenderSettings.DbfReader.GetFieldNames()[0];

shapeFile.RenderSettings.UseToolTip = true;

shapeFile.RenderSettings.ToolTipFieldName = shapeFile.RenderSettings.FieldName;

shapeFile.RenderSettings.IsSelectable = true;

shapeFile.RenderSettings.Font = new Font("나눔고딕코딩", 12f);

shapeFile.SelectRecord(5, true);

this.map.MouseClick += map_MouseClick;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 맵 마우스 클릭시 처리하기 - map_MouseClick(sender, e)

/// <summary>

/// 맵 마우스 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void map_MouseClick(object sender, MouseEventArgs e)

{

SFMap map = sender as SFMap;

int recordIndex = map.GetShapeIndexAtPixelCoord(0, e.Location, 8);

if(recordIndex >= 0)

{

string[] attributeFieldValueArray = map[0].GetAttributeFieldValues(recordIndex);

string[] attributeFieldNameArray = map[0].GetAttributeFieldNames();

StringBuilder stringBuilder = new StringBuilder();

for(int i = 0; i < attributeFieldNameArray.Length; ++i)

{

stringBuilder.Append($"{attributeFieldNameArray[i]}:{attributeFieldValueArray[i].Trim()}");

}

MessageBox.Show

(

this,

stringBuilder.ToString(),

"INFORMATION",

MessageBoxButtons.OK,

MessageBoxIcon.Information

);

}

#endregion

}

TestProject.zip