/// <summary>
/// Read a shapefile Polygon record.
/// </summary>
/// <param name="stream">Input stream.</param>
/// <param name="record">Shapefile record to be updated.</param>
private static void ReadPolygon(Stream stream, ShapeFileRecord record)
{
// Bounding Box.
record.XMin = ShapeFile.ReadDouble64_LE(stream);
record.YMin = ShapeFile.ReadDouble64_LE(stream);
record.XMax = ShapeFile.ReadDouble64_LE(stream);
record.YMax = ShapeFile.ReadDouble64_LE(stream);
// Num Parts and Points.
int numParts = ShapeFile.ReadInt32_LE(stream);
int numPoints = ShapeFile.ReadInt32_LE(stream);
// Parts.
for (int i = 0; i < numParts; i++)
{
record.Parts.Add(ShapeFile.ReadInt32_LE(stream));
}
// Points.
for (int i = 0; i < numPoints; i++)
{
Point p = new Point();
p.X = ShapeFile.ReadDouble64_LE(stream);
p.Y = ShapeFile.ReadDouble64_LE(stream);
record.Points.Add(p);
}
}
public static ESRI.ArcGIS.Client.Geometry.Envelope GetExtent(this ShapeFile shapeFile)
{
Envelope env = new Envelope(leftMostPoint, topMostPoint, rightMostPoint, bottomMostPoint);
if (topMostPoint >= -90 && topMostPoint <= 90)
{
env.SpatialReference = new SpatialReference(4326);
}
return(env);
}
/// <summary>
/// Read a shapefile Point record.
/// </summary>
/// <param name="stream">Input stream.</param>
/// <param name="record">Shapefile record to be updated.</param>
private static void ReadPoint(Stream stream, ShapeFileRecord record)
{
// Points - add a single point.
Point p = new System.Windows.Point();
p.X = ShapeFile.ReadDouble64_LE(stream);
p.Y = ShapeFile.ReadDouble64_LE(stream);
record.Points.Add(p);
// Bounding Box.
record.XMin = p.X;
record.YMin = p.Y;
record.XMax = record.XMin;
record.YMax = record.YMin;
}
/// <summary>
/// Read a shapefile record.
/// </summary>
/// <param name="stream">Input stream.</param>
public ShapeFileRecord ReadShapeFileRecord(Stream stream)
{
ShapeFileRecord record = new ShapeFileRecord();
// Record Header.
record.RecordNumber = ShapeFile.ReadInt32_BE(stream);
record.ContentLength = ShapeFile.ReadInt32_BE(stream);
// Shape Type.
record.ShapeType = ShapeFile.ReadInt32_LE(stream);
// Read the shape geometry, depending on its type.
switch (record.ShapeType)
{
case ( int )ShapeType.NullShape:
// Do nothing.
break;
case ( int )ShapeType.Point:
ShapeFile.ReadPoint(stream, record);
break;
case ( int )ShapeType.PolyLine:
// PolyLine has exact same structure as Polygon in shapefile.
ShapeFile.ReadPolygon(stream, record);
break;
case ( int )ShapeType.Polygon:
ShapeFile.ReadPolygon(stream, record);
break;
case ( int )ShapeType.Multipoint:
ShapeFile.ReadMultipoint(stream, record);
break;
default:
{
string msg = String.Format(System.Globalization.CultureInfo.InvariantCulture, "ShapeType {0} is not supported.", ( int )record.ShapeType);
throw new NotSupportedException(msg);
}
}
// Add the record to our internal list.
this.records.Add(record);
return(record);
}
/// <summary>
/// Read the file header of the shapefile.
/// </summary>
/// <param name="stream">Input stream.</param>
public void ReadShapeFileHeader(Stream stream)
{
// File Code.
this.fileHeader.FileCode = ShapeFile.ReadInt32_BE(stream);
if (this.fileHeader.FileCode != ShapeFile.expectedFileCode)
{
string msg = String.Format(System.Globalization.CultureInfo.InvariantCulture, "Invalid FileCode encountered. Expecting {0}.", ShapeFile.expectedFileCode);
throw new NotSupportedException(msg);
}
// 5 unused values.
ShapeFile.ReadInt32_BE(stream);
ShapeFile.ReadInt32_BE(stream);
ShapeFile.ReadInt32_BE(stream);
ShapeFile.ReadInt32_BE(stream);
ShapeFile.ReadInt32_BE(stream);
// File Length.
this.fileHeader.FileLength = ShapeFile.ReadInt32_BE(stream);
// Version.
this.fileHeader.Version = ShapeFile.ReadInt32_LE(stream);
// Shape Type.
this.fileHeader.ShapeType = ShapeFile.ReadInt32_LE(stream);
// Bounding Box.
this.fileHeader.XMin = ShapeFile.ReadDouble64_LE(stream);
this.fileHeader.YMin = ShapeFile.ReadDouble64_LE(stream);
this.fileHeader.XMax = ShapeFile.ReadDouble64_LE(stream);
this.fileHeader.YMax = ShapeFile.ReadDouble64_LE(stream);
// Adjust the bounding box in case it is too small.
if (Math.Abs(this.fileHeader.XMax - this.fileHeader.XMin) < 1)
{
this.fileHeader.XMin -= 5;
this.fileHeader.XMax += 5;
}
if (Math.Abs(this.fileHeader.YMax - this.fileHeader.YMin) < 1)
{
this.fileHeader.YMin -= 5;
this.fileHeader.YMax += 5;
}
// Skip the rest of the file header.
stream.Seek(100, SeekOrigin.Begin);
}
public object[] LoadShapeFile()
{
//Create the dialog allowing the user to select the "*.shp" and the "*.dbf" files
Microsoft.Win32.OpenFileDialog ofd = new Microsoft.Win32.OpenFileDialog();
ofd.Filter = "ESRI Shapefiles (*.shp)|*.shp";
//ofd.Multiselect = true;
if (ofd.ShowDialog().Value)
{
//Get the file info objects for the SHP and the DBF file selected by the user
FileInfo shapeFile = new FileInfo(ofd.FileName);
FileInfo dbfFile = new FileInfo(ofd.FileName.ToLower().Replace(".shp", ".dbf"));
if (!dbfFile.Exists)
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return null;
}
foreach (string fname in ofd.FileNames)
{
FileInfo fi = new FileInfo(fname);
if (fi.Extension.ToLower() == ".shp")
{
shapeFile = fi;
}
if (fi.Extension.ToLower() == ".dbf")
{
dbfFile = fi;
}
}
//Read the SHP and DBF files into the ShapeFileReader
ShapeFileReader.ShapeFile shapeFileReader = new ShapeFileReader.ShapeFile();
if (shapeFile != null && dbfFile != null)
{
shapeFileReader.Read(shapeFile, dbfFile);
}
else
{
System.Windows.MessageBox.Show("Please select a SP and a DBF file to proceed.");
return null;
}
GraphicsLayer graphicsLayer = myMap.Layers[layerId.ToString()] as GraphicsLayer;
if (graphicsLayer == null)
{
graphicsLayer = new GraphicsLayer();
graphicsLayer.ID = layerId.ToString();
myMap.Layers.Add(graphicsLayer);
}
int recCount = shapeFileReader.Records.Count;
int rgbFactor = 255 / recCount;
int counter = 0;
//int minPoints = shapeFileReader.Records.Min(record => record.NumberOfPoints);
//double meanPoints = shapeFileReader.Records.Average(record => record.NumberOfPoints);
foreach (ShapeFileReader.ShapeFileRecord record in shapeFileReader.Records)
{
Graphic graphic = record.ToGraphic();
if (graphic != null)
{
graphic.Symbol = GetFillSymbol(new SolidColorBrush(Color.FromArgb(240, 255, 255, 255)));
graphicsLayer.Graphics.Add(graphic);
}
counter += rgbFactor;
}
Envelope shapeFileExtent = shapeFileReader.GetExtent();
if (shapeFileExtent.SpatialReference == null)
{
myMap.Extent = shapeFileExtent;
}
else
{
if (shapeFileExtent.SpatialReference.WKID == 4326)
{
myMap.Extent = new Envelope(ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMin, shapeFileExtent.YMin)), ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMax, shapeFileExtent.YMax)));
}
}
graphicsLayer.RenderingMode = GraphicsLayerRenderingMode.Static;
return new object[] { ofd.FileName, graphicsLayer.Graphics[0].Attributes };
}
else return null;
}
//private void ColorBlendCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
//{
//if (ColorBlendCombo != null)
//{
// _colorShadeIndex = ColorBlendCombo.SelectedIndex;
// if (loadedData != null)
// {
// SetShapeRangeValues();
// }
//}
//}
//private void ClassCountCombo_SelectionChanged(object sender, SelectionChangedEventArgs e)
//{
//if (ClassCountCombo != null)
//{
// ComboBoxItem item = ClassCountCombo.SelectedItem as ComboBoxItem;
// _classCount = Convert.ToInt32(item.Content);
// if (loadedData != null)
// {
// SetShapeRangeValues();
// }
//}
//}
public object[] LoadShapeFile(string fileName)
{
if (!string.IsNullOrEmpty(fileName))
{
//Get the file info objects for the SHP and the DBF file selected by the user
FileInfo shapeFile = new FileInfo(fileName);
FileInfo dbfFile = new FileInfo(fileName.ToLower().Replace(".shp", ".dbf"));
if (!dbfFile.Exists)
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return null;
}
//Read the SHP and DBF files into the ShapeFileReader
ShapeFileReader.ShapeFile shapeFileReader = new ShapeFileReader.ShapeFile();
if (shapeFile != null && dbfFile != null)
{
shapeFileReader.Read(shapeFile, dbfFile);
}
else
{
System.Windows.MessageBox.Show("Please select a SP and a DBF file to proceed.");
return null;
}
GraphicsLayer graphicsLayer = myMap.Layers[layerId.ToString()] as GraphicsLayer;
if (graphicsLayer == null)
{
graphicsLayer = new GraphicsLayer();
graphicsLayer.ID = layerId.ToString();
myMap.Layers.Add(graphicsLayer);
}
int recCount = shapeFileReader.Records.Count;
int rgbFactor = 255 / recCount;
int counter = 0;
foreach (ShapeFileReader.ShapeFileRecord record in shapeFileReader.Records)
{
Graphic graphic = record.ToGraphic();
if (graphic != null)
{
graphic.Symbol = GetFillSymbol(new SolidColorBrush(Color.FromArgb(240, 255, 255, 255)));
graphicsLayer.Graphics.Add(graphic);
}
counter += rgbFactor;
}
if (graphicsLayer.FullExtent == null)
{
Envelope shapeFileExtent = shapeFileReader.GetExtent();
if (shapeFileExtent.SpatialReference == null)
{
myMap.Extent = shapeFileExtent;
}
else
{
if (shapeFileExtent.SpatialReference.WKID == 4326)
{
myMap.Extent = new Envelope(ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMin, shapeFileExtent.YMin)), ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMax, shapeFileExtent.YMax)));
}
}
}
else
{
myMap.Extent = graphicsLayer.FullExtent;
}
graphicsLayer.RenderingMode = GraphicsLayerRenderingMode.Static;
return new object[] { fileName, graphicsLayer.Graphics[0].Attributes };
}
else return null;
}
override public object[] Load(string boundrySourceLocation)
{
if (!string.IsNullOrEmpty(boundrySourceLocation))
{
FileInfo shapeFile = new FileInfo(boundrySourceLocation);
string directoryName = System.IO.Path.GetDirectoryName(boundrySourceLocation);
string dbfFilename = System.IO.Path.GetFileName(boundrySourceLocation).ToLowerInvariant().Replace(".shp", ".dbf");
string dbfFullPath = System.IO.Path.Combine(directoryName, dbfFilename);
FileInfo dbfFile = new FileInfo(dbfFullPath);
if (!dbfFile.Exists)
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return(null);
}
ShapeFileReader.ShapeFile shapeFileReader = new ShapeFileReader.ShapeFile();
if (shapeFile != null && dbfFile != null)
{
try
{
shapeFileReader.Read(shapeFile, dbfFile);
}
catch (NotSupportedException e)
{
System.Windows.MessageBox.Show(e.Message);
return(null);
}
catch
{
System.Windows.MessageBox.Show(DashboardSharedStrings.DASHBOARD_MAP_N_POLYGONS_EXCEEDED);
return(null);
}
}
else
{
System.Windows.MessageBox.Show("Please select a SP and a DBF file to proceed.");
return(null);
}
GraphicsLayer graphicsLayer = GetGraphicsLayer();
if (graphicsLayer == null)
{
graphicsLayer = new GraphicsLayer();
graphicsLayer.ID = LayerId.ToString();
ArcGIS_Map.Layers.Add(graphicsLayer);
int recCount = shapeFileReader.Records.Count;
int rgbFactor = 255 / recCount;
int counter = 0;
foreach (ShapeFileReader.ShapeFileRecord record in shapeFileReader.Records)
{
Graphic graphic = record.ToGraphic();
if (graphic != null)
{
graphic.Symbol = GetFillSymbol(new SolidColorBrush(Color.FromArgb(240, 255, 255, 255)));
graphicsLayer.Graphics.Add(graphic);
}
counter += rgbFactor;
}
}
if (graphicsLayer.FullExtent == null)
{
Envelope shapeFileExtent = shapeFileReader.GetExtent();
if (shapeFileExtent.SpatialReference == null)
{
ArcGIS_Map.Extent = shapeFileExtent;
}
else
{
if (shapeFileExtent.SpatialReference.WKID == 4326)
{
ArcGIS_Map.Extent = new Envelope(
ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMin, shapeFileExtent.YMin)),
ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMax, shapeFileExtent.YMax)));
}
}
}
else
{
ArcGIS_Map.Extent = graphicsLayer.FullExtent;
}
graphicsLayer.RenderingMode = GraphicsLayerRenderingMode.Static;
return(new object[] { boundrySourceLocation, graphicsLayer.Graphics[0].Attributes });
}
else
{
return(null);
}
}
public void RenderShape(string fileName)
{
this.fileName = fileName;
GraphicsLayer shapeLayer = myMap.Layers[layerId.ToString()] as GraphicsLayer;
if (shapeLayer != null)
{
myMap.Layers.Remove(shapeLayer);
}
shapeLayer = new GraphicsLayer();
shapeLayer.ID = layerId.ToString();
myMap.Layers.Add(shapeLayer);
//Get the file info objects for the SHP and the DBF file selected by the user
FileInfo shapeFile = new FileInfo(fileName);
string directoryName = Path.GetDirectoryName(fileName);
string dbfFilename = Path.GetFileName(fileName).ToLowerInvariant().Replace(".shp", ".dbf");
string dbfFullPath = Path.Combine(directoryName, dbfFilename);
FileInfo dbfFile = new FileInfo(dbfFullPath);
if (!dbfFile.Exists)
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return;
}
//Read the SHP and DBF files into the ShapeFileReader
ShapeFileReader.ShapeFile shapeFileReader = new ShapeFileReader.ShapeFile();
if (shapeFile != null && dbfFile != null)
{
try
{
shapeFileReader.Read(shapeFile, dbfFile);
}
catch (NotSupportedException e)
{
System.Windows.MessageBox.Show(e.Message);
return;
}
catch
{
System.Windows.MessageBox.Show(DashboardSharedStrings.DASHBOARD_MAP_N_POLYGONS_EXCEEDED);
return;
}
}
else
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return;
}
int recCount = shapeFileReader.Records.Count;
int rgbFactor = 255 / recCount;
int counter = 0;
foreach (ShapeFileReader.ShapeFileRecord record in shapeFileReader.Records)
{
Graphic graphic = record.ToGraphic();
if (graphic != null)
{
graphic.Symbol = GetFillSymbol(new SolidColorBrush(Color.FromArgb(192, 255, 255, 255)));
shapeLayer.Graphics.Add(graphic);
}
counter += rgbFactor;
}
Envelope shapeFileExtent = shapeFileReader.GetExtent();
if (shapeFileExtent.SpatialReference == null)
{
myMap.Extent = shapeFileExtent;
}
else
{
if (shapeFileExtent.SpatialReference.WKID == 4326)
{
myMap.Extent = new Envelope(ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMin, shapeFileExtent.YMin)), ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMax, shapeFileExtent.YMax)));
}
}
}
public void RenderShape(string fileName)
{
this.fileName = fileName;
GraphicsLayer shapeLayer = myMap.Layers[layerId.ToString()] as GraphicsLayer;
if (shapeLayer != null)
{
myMap.Layers.Remove(shapeLayer);
}
shapeLayer = new GraphicsLayer();
shapeLayer.ID = layerId.ToString();
myMap.Layers.Add(shapeLayer);
//Get the file info objects for the SHP and the DBF file selected by the user
FileInfo shapeFile = new FileInfo(fileName);
FileInfo dbfFile = new FileInfo(fileName.ToLower().Replace(".shp", ".dbf"));
if (!dbfFile.Exists)
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return;
}
//Read the SHP and DBF files into the ShapeFileReader
ShapeFileReader.ShapeFile shapeFileReader = new ShapeFileReader.ShapeFile();
if (shapeFile != null && dbfFile != null)
{
shapeFileReader.Read(shapeFile, dbfFile);
}
else
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return;
}
int recCount = shapeFileReader.Records.Count;
int rgbFactor = 255 / recCount;
int counter = 0;
foreach (ShapeFileReader.ShapeFileRecord record in shapeFileReader.Records)
{
Graphic graphic = record.ToGraphic();
if (graphic != null)
{
graphic.Symbol = GetFillSymbol(new SolidColorBrush(Color.FromArgb(192, 255, 255, 255)));
shapeLayer.Graphics.Add(graphic);
}
counter += rgbFactor;
}
Envelope shapeFileExtent = shapeFileReader.GetExtent();
if (shapeFileExtent.SpatialReference == null)
{
myMap.Extent = shapeFileExtent;
}
else
{
if (shapeFileExtent.SpatialReference.WKID == 4326)
{
myMap.Extent = new Envelope(ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMin, shapeFileExtent.YMin)), ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMax, shapeFileExtent.YMax)));
}
}
}
public object[] LoadShapeFile()
{
//Create the dialog allowing the user to select the "*.shp" and the "*.dbf" files
Microsoft.Win32.OpenFileDialog ofd = new Microsoft.Win32.OpenFileDialog();
ofd.Filter = "ESRI Shapefiles (*.shp)|*.shp";
//ofd.Multiselect = true;
if (ofd.ShowDialog().Value)
{
//Get the file info objects for the SHP and the DBF file selected by the user
FileInfo shapeFile = new FileInfo(ofd.FileName);
string directoryName = System.IO.Path.GetDirectoryName(ofd.FileName);
string dbfFilename = System.IO.Path.GetFileName(ofd.FileName).ToLowerInvariant().Replace(".shp", ".dbf");
string dbfFullPath = System.IO.Path.Combine(directoryName, dbfFilename);
FileInfo dbfFile = new FileInfo(dbfFullPath);
if (!dbfFile.Exists)
{
System.Windows.MessageBox.Show("Associated DBF file not found");
return(null);
}
foreach (string fname in ofd.FileNames)
{
FileInfo fi = new FileInfo(fname);
if (fi.Extension.ToLowerInvariant() == ".shp")
{
shapeFile = fi;
}
if (fi.Extension.ToLowerInvariant() == ".dbf")
{
dbfFile = fi;
}
}
//Read the SHP and DBF files into the ShapeFileReader
ShapeFileReader.ShapeFile shapeFileReader = new ShapeFileReader.ShapeFile();
if (shapeFile != null && dbfFile != null)
{
try
{
shapeFileReader.Read(shapeFile, dbfFile);
}
catch (NotSupportedException e)
{
System.Windows.MessageBox.Show(e.Message);
return(null);
}
catch
{
System.Windows.MessageBox.Show(DashboardSharedStrings.DASHBOARD_MAP_N_POLYGONS_EXCEEDED);
return(null);
}
}
else
{
System.Windows.MessageBox.Show("Please select a SP and a DBF file to proceed.");
return(null);
}
GraphicsLayer graphicsLayer = myMap.Layers[layerId.ToString()] as GraphicsLayer;
if (graphicsLayer == null)
{
graphicsLayer = new GraphicsLayer();
graphicsLayer.ID = layerId.ToString();
myMap.Layers.Add(graphicsLayer);
}
int recCount = shapeFileReader.Records.Count;
int rgbFactor = 255 / recCount;
int counter = 0;
foreach (ShapeFileReader.ShapeFileRecord record in shapeFileReader.Records)
{
Graphic graphic = record.ToGraphic();
if (graphic != null)
{
graphic.Symbol = GetFillSymbol(new SolidColorBrush(Color.FromArgb(192, 255, 255, 255)));
graphicsLayer.Graphics.Add(graphic);
}
counter += rgbFactor;
}
Envelope shapeFileExtent = shapeFileReader.GetExtent();
if (shapeFileExtent.SpatialReference == null)
{
myMap.Extent = shapeFileExtent;
}
else
{
if (shapeFileExtent.SpatialReference.WKID == 4326)
{
myMap.Extent = new Envelope(ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMin, shapeFileExtent.YMin)), ESRI.ArcGIS.Client.Bing.Transform.GeographicToWebMercator(new MapPoint(shapeFileExtent.XMax, shapeFileExtent.YMax)));
}
}
return(new object[] { ofd.FileName, graphicsLayer.Graphics[0].Attributes });
}
else
{
return(null);
}
}
