/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if succesful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet self = _inputParam[0].Value as IFeatureSet;
IFeatureSet other = _inputParam[1].Value as IFeatureSet;
if (self != null && other != null)
{
self.FillAttributes();
other.FillAttributes();
}
IFeatureSet result = Overlay.EraseFeatures(self, other, cancelProgressHandler);
if (cancelProgressHandler.Cancel)
{
_outputParam = null;
return(false);
}
else
{
result.Filename = ((IFeatureSet)_outputParam[0].Value).Filename;
result.Save();
_outputParam[0].Value = result;
return(true);
}
}
/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if succesful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet self = _inputParam[0].Value as IFeatureSet;
if (self != null)
{
self.FillAttributes();
}
IFeatureSet other = _inputParam[1].Value as IFeatureSet;
if (other != null)
{
other.FillAttributes();
}
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
if (self == null)
{
return(false);
}
if (other == null)
{
return(false);
}
return(self.Features.Count < other.Features.Count
? Execute(self, other, output, cancelProgressHandler)
: Execute(other, self, output, cancelProgressHandler));
}
/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if succesful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input = _inputParam[0].Value as IFeatureSet;
if (input == null)
{
return(false);
}
input.FillAttributes();
ListParam lp = _inputParam[1] as ListParam;
if (lp == null)
{
return(false);
}
string zField = lp.ValueList[lp.Value];
double cellSize = (double)_inputParam[2].Value;
double power = (double)_inputParam[3].Value;
NeighborhoodType neighborType = _inputParam[4].Value as string == TextStrings.FixedDistance
? NeighborhoodType.FixedDistance
: NeighborhoodType.FixedCount;
int pointCount = (int)_inputParam[5].Value;
double distance = (double)_inputParam[6].Value;
IRaster output = _outputParam[0].Value as IRaster;
return(Execute(
input, zField, cellSize, power, neighborType, pointCount, distance, output, cancelProgressHandler));
}
/// <summary>
/// Once the parameters have been configured the Execute command can be called, it returns true if successful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input1 = _inputParam[0].Value as IFeatureSet;
if (input1 != null)
{
input1.FillAttributes();
}
ProjectionParam source = _inputParam[1] as ProjectionParam;
ProjectionParam dest = _inputParam[2] as ProjectionParam;
ProjectionInfo pSource = null;
if (source != null)
{
pSource = source.Value;
}
if (dest == null)
{
return(false);
}
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input1, pSource, dest.Value, output, cancelProgressHandler));
}
public void IndexModeToFeaturesClear()
{
IFeatureSet fs = FeatureSet.Open(_shapefiles + @"Topology_Test.shp");
fs.FillAttributes();
fs.Features.Clear();
Assert.AreEqual(fs.Features.Count, 0);
Assert.AreEqual(fs.DataTable.Rows.Count, 0);
}
/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if successful.
/// </summary>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns>True, if executed successfully.</returns>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input = _inputParam[0].Value as IFeatureSet;
input?.FillAttributes();
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input, output, cancelProgressHandler));
}
public static void GettingEntireAttributeTable()
{
IFeatureSet fs = FeatureSet.Open(@"C:\[Your File Path]\Municipalities.shp");
fs.FillAttributes();
DataTable dtOriginal = fs.DataTable;
for (int row = 0; row < dtOriginal.Rows.Count; row++)
{
object[] original = dtOriginal.Rows[row].ItemArray;
}
}
public static void GettingValueFromAttributeTable()
{
IFeatureSet fs = FeatureSet.Open(@"C:\[Your File Path\Municipalities.shp");
fs.FillAttributes();
DataTable dt = fs.DataTable;
for (int row = 0; row < dt.Rows.Count; row++)
{
object val = dt.Rows[row]["NAME"];
}
}
/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if succesful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input = _inputParam[0].Value as IFeatureSet;
if (input != null)
{
input.FillAttributes();
}
double tolerance = (double)_inputParam[1].Value;
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input, tolerance, output, cancelProgressHandler));
}
/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if successful.
/// </summary>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns>True if executed successfully.</returns>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input = _inputParam[0].Value as IFeatureSet;
input?.FillAttributes();
if (!(_outputParam[0].Value is IFeatureSet output))
{
return(false);
}
Analysis.Voronoi.VoronoiPolygons(input, output, true);
output.Save();
return(true);
}
/// <summary>
/// Once the Parameter have been configured the Execute command can be called, it returns true if succesful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input = _inputParam[0].Value as IFeatureSet;
if (input != null)
{
input.FillAttributes();
}
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
DotSpatial.Analysis.Voronoi.VoronoiPolygons(input, output, true);
output.Save();
return(true);
}
/// <summary>
/// Once the parameters have been configured the Execute command can be called, it returns true if successful.
/// </summary>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns>True, if executed successfully.</returns>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input1 = _inputParam[0].Value as IFeatureSet;
input1?.FillAttributes();
int index = (int)_inputParam[1].Value;
IFeatureSet input2 = _inputParam[2].Value as IFeatureSet;
input2?.FillAttributes();
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input1, index, input2, output, cancelProgressHandler));
}
/// <summary>
/// Once the parameters have been configured the Execute command can be called, it returns true if successful.
/// </summary>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns>True, if executed successfully.</returns>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input1 = _inputParam[0].Value as IFeatureSet;
input1?.FillAttributes();
string input2 = string.Empty;
if (_inputParam[1] is IndexParam ip)
{
input2 = ip.Value;
}
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input1, input2, output, cancelProgressHandler));
}
/// <summary>
/// This routine takes a DotSpatial Featureset and makes a clone and then reprojects it to the requested Projection.
/// It returns a clone of the input so the input is not altered in any way.
/// </summary>
/// <param name="self">This featureSet.</param>
/// <param name="targetPrj">The projection of the target clone FeatureSet.</param>
/// <returns>A reprojected clone of the surce FeatureSet.</returns>
public static IFeatureSet ReprojectedClone(this IFeatureSet self, ProjectionInfo targetPrj)
{
// input check
if (self == null || targetPrj == null)
{
return(null);
}
self.FillAttributes();
IFeatureSet fsClone = self.CopyFeatures(true);
fsClone.IndexMode = false;
fsClone.Reproject(targetPrj);
// success so return the reprojected clone FeatureSet
return(fsClone);
}
/// <summary>
/// Once the parameters have been configured the Execute command can be called, it returns true if successful.
/// </summary>
/// <param name="cancelProgressHandler">The progress handler.</param>
/// <returns>True, if executed successfully.</returns>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input1 = _inputParam[0].Value as IFeatureSet;
input1?.FillAttributes();
ProjectionParam source = _inputParam[1] as ProjectionParam;
ProjectionInfo pSource = source?.Value;
if (!(_inputParam[2] is ProjectionParam dest))
{
return(false);
}
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input1, pSource, dest.Value, output, cancelProgressHandler));
}
/// <summary>
/// Once the parameters have been configured the Execute command can be called, it returns true if succesful
/// </summary>
public override bool Execute(ICancelProgressHandler cancelProgressHandler)
{
IFeatureSet input1 = _inputParam[0].Value as IFeatureSet;
if (input1 != null)
{
input1.FillAttributes();
}
IFeatureSet input2 = _inputParam[1].Value as IFeatureSet;
if (input2 != null)
{
input2.FillAttributes();
}
IFeatureSet output = _outputParam[0].Value as IFeatureSet;
return(Execute(input1, input2, output, cancelProgressHandler));
}
/// <summary>
/// This tests each feature of the input
/// </summary>
/// <param name="self">This featureSet</param>
/// <param name="other">The featureSet to perform intersection with</param>
/// <param name="joinType">The attribute join type</param>
/// <param name="progHandler">A progress handler for status messages</param>
/// <returns>An IFeatureSet with the intersecting features, broken down based on the join Type</returns>
public static IFeatureSet Intersection(this IFeatureSet self, IFeatureSet other, FieldJoinType joinType, IProgressHandler progHandler)
{
IFeatureSet result = null;
ProgressMeter pm = new ProgressMeter(progHandler, "Calculating Intersection", self.Features.Count);
if (joinType == FieldJoinType.All)
{
result = CombinedFields(self, other);
// Intersection is symmetric, so only consider I X J where J <= I
if (!self.AttributesPopulated)
{
self.FillAttributes();
}
if (!other.AttributesPopulated)
{
other.FillAttributes();
}
for (int i = 0; i < self.Features.Count; i++)
{
IFeature selfFeature = self.Features[i];
List <IFeature> potentialOthers = other.Select(selfFeature.Geometry.EnvelopeInternal.ToExtent());
foreach (IFeature otherFeature in potentialOthers)
{
selfFeature.Intersection(otherFeature, result, joinType);
}
pm.CurrentValue = i;
}
pm.Reset();
}
else if (joinType == FieldJoinType.LocalOnly)
{
if (!self.AttributesPopulated)
{
self.FillAttributes();
}
result = new FeatureSet();
result.CopyTableSchema(self);
result.FeatureType = self.FeatureType;
if (other.Features != null && other.Features.Count > 0)
{
pm = new ProgressMeter(progHandler, "Calculating Union", other.Features.Count);
IFeature union = other.Features[0];
for (int i = 1; i < other.Features.Count; i++)
{
union = union.Union(other.Features[i].Geometry);
pm.CurrentValue = i;
}
pm.Reset();
pm = new ProgressMeter(progHandler, "Calculating Intersections", self.NumRows());
Extent otherEnvelope = union.Geometry.EnvelopeInternal.ToExtent();
for (int shp = 0; shp < self.ShapeIndices.Count; shp++)
{
if (!self.ShapeIndices[shp].Extent.Intersects(otherEnvelope))
{
continue;
}
IFeature selfFeature = self.GetFeature(shp);
selfFeature.Intersection(union, result, joinType);
pm.CurrentValue = shp;
}
pm.Reset();
}
}
else if (joinType == FieldJoinType.ForeignOnly)
{
if (!other.AttributesPopulated)
{
other.FillAttributes();
}
result = new FeatureSet();
result.CopyTableSchema(other);
result.FeatureType = other.FeatureType;
if (self.Features != null && self.Features.Count > 0)
{
pm = new ProgressMeter(progHandler, "Calculating Union", self.Features.Count);
IFeature union = self.Features[0];
for (int i = 1; i < self.Features.Count; i++)
{
union = union.Union(self.Features[i].Geometry);
pm.CurrentValue = i;
}
pm.Reset();
if (other.Features != null)
{
pm = new ProgressMeter(progHandler, "Calculating Intersection", other.Features.Count);
for (int i = 0; i < other.Features.Count; i++)
{
other.Features[i].Intersection(union, result, FieldJoinType.LocalOnly);
pm.CurrentValue = i;
}
}
pm.Reset();
}
}
return(result);
}
/// <summary>
/// Returns the portions of the polygons in polySF that lie within polygon as a
/// new shapefile of polygons: resultPolySF.
/// </summary>
/// <param name="polygonFeatureSet">The shapefile of polygons that are to be clipped.</param>
/// <param name="polygon">The polygon used for clipping.</param>
/// <param name="resultFeatureSet">The result shapefile for the resulting polygons to be saved (in-memory).</param>
/// <param name="copyAttributes">True if copying attrs</param>
/// <returns>False if an error was encountered, true otherwise.</returns>
public static bool ClipPolygonFeatureSetWithPolygon(
IFeatureSet polygonFeatureSet, IFeature polygon, IFeatureSet resultFeatureSet, bool copyAttributes)
{
if (copyAttributes)
{
polygonFeatureSet.FillAttributes();
resultFeatureSet.CopyTableSchema(polygonFeatureSet);
}
if (polygonFeatureSet.Features.Count != 0 && polygon.NumPoints != 0
&& polygonFeatureSet.FeatureType == FeatureType.Polygon)
{
int numShapes = polygonFeatureSet.Features.Count;
for (int i = 0; i <= numShapes - 1; i++)
{
polygonFeatureSet.Features[i].Intersection(polygon, resultFeatureSet, FieldJoinType.LocalOnly);
}
}
return true;
}
/// <summary>
/// This tests each feature of the input
/// </summary>
/// <param name="self">This featureSet</param>
/// <param name="other">The featureSet to perform intersection with</param>
/// <param name="joinType">The attribute join type</param>
/// <param name="progHandler">A progress handler for status messages</param>
/// <returns>An IFeatureSet with the intersecting features, broken down based on the join Type</returns>
public static IFeatureSet Intersection(this IFeatureSet self, IFeatureSet other, FieldJoinType joinType, IProgressHandler progHandler)
{
IFeatureSet result = null;
ProgressMeter pm = new ProgressMeter(progHandler, "Calculating Intersection", self.Features.Count);
if (joinType == FieldJoinType.All)
{
result = CombinedFields(self, other);
// Intersection is symmetric, so only consider I X J where J <= I
if (!self.AttributesPopulated) self.FillAttributes();
if (!other.AttributesPopulated) other.FillAttributes();
int i = 0;
foreach (IFeature selfFeature in self.Features)
{
List<IFeature> potentialOthers = other.Select(selfFeature.Envelope.ToExtent());
foreach (IFeature otherFeature in potentialOthers)
{
selfFeature.Intersection(otherFeature, result, joinType);
}
pm.CurrentValue = i;
i++;
}
pm.Reset();
}
if (joinType == FieldJoinType.LocalOnly)
{
if (!self.AttributesPopulated) self.FillAttributes();
result = new FeatureSet();
result.CopyTableSchema(self);
result.FeatureType = self.FeatureType;
IFeature union;
pm = new ProgressMeter(progHandler, "Calculating Union", other.Features.Count);
if (other.Features != null && other.Features.Count > 0)
{
union = other.Features[0];
for (int i = 1; i < other.Features.Count; i++)
{
union = union.Union(other.Features[i]);
pm.CurrentValue = i;
}
pm.Reset();
pm = new ProgressMeter(progHandler, "Calculating Intersections", self.NumRows());
Extent otherEnvelope = new Extent(union.Envelope);
for (int shp = 0; shp < self.ShapeIndices.Count; shp++)
{
if (!self.ShapeIndices[shp].Extent.Intersects(otherEnvelope)) continue;
IFeature selfFeature = self.GetFeature(shp);
selfFeature.Intersection(union, result, joinType);
pm.CurrentValue = shp;
}
pm.Reset();
}
}
if (joinType == FieldJoinType.ForeignOnly)
{
if (!other.AttributesPopulated) other.FillAttributes();
result = new FeatureSet();
result.CopyTableSchema(other);
IFeature union;
if (self.Features != null && self.Features.Count > 0)
{
pm = new ProgressMeter(progHandler, "Calculating Union", self.Features.Count);
union = self.Features[0];
for (int i = 1; i < self.Features.Count; i++)
{
union = union.Union(self.Features[i]);
pm.CurrentValue = i;
}
pm.Reset();
if (other.Features != null)
{
pm = new ProgressMeter(progHandler, "Calculating Intersection", other.Features.Count);
int j = 0;
foreach (IFeature otherFeature in other.Features)
{
IFeature test = otherFeature.Intersection(union, result, joinType);
if (test.BasicGeometry != null)
{
result.Features.Add(test);
}
pm.CurrentValue = j;
j++;
}
}
pm.Reset();
}
}
return result;
}
/// <summary>
/// Sets up the Table to work with the specified layer. This should be the copy,
/// and not the original.
/// </summary>
/// <param name="layer"></param>
public void Initialize(IFeatureLayer layer)
{
_original = layer.Symbology;
_newScheme = _original.Copy();
_source = layer.DataSet;
if (!layer.DataSet.AttributesPopulated)
{
if (layer.DataSet.NumRows() < 100000)
{
_source.FillAttributes(); // for small datasets, it is better to just load and cache it.
}
}
if (_source.AttributesPopulated)
{
_expressionDialog.Table = _source.DataTable;
}
else
{
_expressionDialog.AttributeSource = _source;
}
_schemeType = GetSchemeType(layer);
if (_schemeType != SymbolizerType.Polygon)
{
chkUseGradients.Visible = false;
angGradientAngle.Visible = false;
}
else
{
chkUseGradients.Visible = true;
angGradientAngle.Visible = true;
}
if (_schemeType == SymbolizerType.Point)
{
IPointScheme ps = _newScheme as IPointScheme;
if (ps != null)
{
IPointSymbolizer sym;
if (ps.Categories.Count == 0 || ps.Categories[0].Symbolizer == null)
{
sym = new PointSymbolizer();
}
else
{
sym = ps.Categories[0].Symbolizer;
}
_ignoreRefresh = true;
featureSizeRangeControl1.SizeRange = new FeatureSizeRange(sym, _newScheme.EditorSettings.StartSize, _newScheme.EditorSettings.EndSize);
featureSizeRangeControl1.Initialize(new SizeRangeEventArgs(_newScheme.EditorSettings.StartSize, _newScheme.EditorSettings.EndSize, sym, _newScheme.EditorSettings.UseSizeRange));
featureSizeRangeControl1.Scheme = ps;
featureSizeRangeControl1.Visible = true;
_ignoreRefresh = false;
}
}
else if (_schemeType == SymbolizerType.Line)
{
ILineScheme ls = _newScheme as ILineScheme;
if (ls != null)
{
ILineSymbolizer sym;
if (ls.Categories.Count == 0 || ls.Categories[0].Symbolizer == null)
{
sym = new LineSymbolizer();
}
else
{
sym = ls.Categories[0].Symbolizer;
}
_ignoreRefresh = true;
featureSizeRangeControl1.SizeRange = new FeatureSizeRange(sym, _newScheme.EditorSettings.StartSize, _newScheme.EditorSettings.EndSize);
featureSizeRangeControl1.Initialize(new SizeRangeEventArgs(_newScheme.EditorSettings.StartSize, _newScheme.EditorSettings.EndSize, sym, _newScheme.EditorSettings.UseSizeRange));
featureSizeRangeControl1.Scheme = ls;
featureSizeRangeControl1.Visible = true;
_ignoreRefresh = false;
}
}
else
{
featureSizeRangeControl1.Visible = false;
}
UpdateFields();
if (_newScheme.EditorSettings.ClassificationType != ClassificationType.Quantities) return;
nudCategoryCount.Enabled = true;
tabScheme.Visible = true;
dgvCategories.Height = 217;
UpdateStatistics(false, null);
}
