protected override void DrawCore(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers)
{
// Draw shape like area and point
base.DrawCore(canvas, labelsInAllLayers);
// Draw annotation label
if (!ZoomLevelSet.CustomZoomLevels.Any(z => z.CustomStyles.OfType <CompositeStyle>().SelectMany(c => c.Styles).Any(s => s is TextStyle)))
{
Collection <Feature> annotationFeatures = ((TobinBasFeatureSource)FeatureSource).AnnotationFeatures;
foreach (var item in annotationFeatures)
{
float textSize = float.Parse(item.ColumnValues["TextSize"].ToString());
double latDiff = DecimalDegreesHelper.GetLatitudeDifferenceFromDistance(textSize, DistanceUnit.Feet);
PointShape startPoint = (PointShape)item.GetShape();
PointShape endPoint = new PointShape(startPoint.X, startPoint.Y + latDiff);
float fontSize = ExtentHelper.ToScreenCoordinate(canvas.CurrentWorldExtent, startPoint, canvas.Width, canvas.Height).Y -
ExtentHelper.ToScreenCoordinate(canvas.CurrentWorldExtent, endPoint, canvas.Width, canvas.Height).Y;
if (fontSize > minAnnotationFontSize)
{
TextStyle textStyle = new TextStyle("TextString", new GeoFont(), new GeoSolidBrush(GeoColor.SimpleColors.Black));
textStyle.DuplicateRule = LabelDuplicateRule.UnlimitedDuplicateLabels;
textStyle.OverlappingRule = LabelOverlappingRule.AllowOverlapping;
textStyle.YOffsetInPixel = 1 * fontSize;
textStyle.RotationAngle = double.Parse(item.ColumnValues["TextAngle"]);
textStyle.Font = new GeoFont("Arial", fontSize);
textStyle.Draw(new Collection <Feature> {
item
}, canvas, new Collection <SimpleCandidate>(), labelsInAllLayers);
}
}
}
}
protected override void DrawCore(IEnumerable <Feature> features, GeoCanvas canvas, Collection <SimpleCandidate> labelsInThisLayer, Collection <SimpleCandidate> labelsInAllLayers)
{
TextStyle clonedStyle = new TextStyle(this.TextColumnName, this.Font, this.TextSolidBrush);
clonedStyle.HaloPen = this.HaloPen;
clonedStyle.Mask = this.Mask;
clonedStyle.GridSize = this.GridSize;
clonedStyle.OverlappingRule = this.OverlappingRule;
clonedStyle.DuplicateRule = this.DuplicateRule;
float fontSize = Convert.ToInt32(50000 / canvas.CurrentScale);
if (fontSize < minFontSize)
{
fontSize = minFontSize;
}
else if (fontSize > maxFontSize)
{
fontSize = maxFontSize;
}
clonedStyle.Font = new GeoFont(clonedStyle.Font.FontName, fontSize, clonedStyle.Font.Style);
clonedStyle.Draw(features, canvas, labelsInThisLayer, labelsInAllLayers);
}
/// <summary>
/// Here in the DrawCore we cluster the features
/// </summary>
protected override void DrawCore(IEnumerable <Feature> features, GeoCanvas canvas, Collection <SimpleCandidate> labelsInThisLayer, Collection <SimpleCandidate> labelsInAllLayers)
{
// We get the scale to determine the grid. This scale property should really be on the Canvas!
double scale = ExtentHelper.GetScale(canvas.CurrentWorldExtent, canvas.Width, canvas.MapUnit);
// Setup our grid for clustering the points. This is where we specify our cell size in pixels
MapSuiteTileMatrix mapSuiteTileMatrix = new MapSuiteTileMatrix(scale, cellSize, cellSize, canvas.MapUnit);
// Pass in the current extent to get our grid cells. All points in these cells will be consolidated
IEnumerable <TileMatrixCell> tileMatricCells = mapSuiteTileMatrix.GetContainedCells(canvas.CurrentWorldExtent);
// Create an unused features list, as we add them to clusters we will remove them from here
// This is just for speed so we don't re-test lots of already associated features
Dictionary <string, string> unusedFeatures = new Dictionary <string, string>();
foreach (Feature feature in features)
{
if (feature.GetWellKnownType() != WellKnownType.Point && feature.GetWellKnownType() != WellKnownType.Multipoint)
{
continue;
}
unusedFeatures.Add(feature.Id, feature.Id);
}
// Loop through each cell and find the features that fit inside of it
foreach (TileMatrixCell cell in tileMatricCells)
{
int featureCount = 0;
MultipointShape tempMultiPointShape = new MultipointShape();
foreach (Feature feature in features)
{
// Make sure the feature has not been used in another cluster
if (unusedFeatures.ContainsKey(feature.Id))
{
// Check if the cell contains the feature
if (cell.BoundingBox.Contains(feature.GetBoundingBox()))
{
featureCount++;
unusedFeatures.Remove(feature.Id);
if (feature.GetWellKnownType() == WellKnownType.Multipoint)
{
MultipointShape multipointShape = feature.GetShape() as MultipointShape;
foreach (var item in multipointShape.Points)
{
tempMultiPointShape.Points.Add(item);
}
}
else
{
tempMultiPointShape.Points.Add(feature.GetShape() as PointShape);
}
}
}
}
if (featureCount > 0)
{
// Add the feature count to the new feature we created. The feature will be placed
// at the center of gravity of all the clustered features of the cell we created.
Dictionary <string, string> featureValues = new Dictionary <string, string>();
featureValues.Add("FeatureCount", featureCount.ToString(CultureInfo.InvariantCulture));
bool isMatch = false;
for (int i = 0; i < classBreakPoints.Count - 1; i++)
{
var startItem = classBreakPoints.ElementAt(i);
var endItem = classBreakPoints.ElementAt(i + 1);
if (featureCount >= startItem.Key && featureCount < endItem.Key)
{
// Draw the point shape
startItem.Value.Draw(new Feature[] { new Feature(tempMultiPointShape.GetCenterPoint(), featureValues) }, canvas, labelsInThisLayer, labelsInAllLayers);
isMatch = true;
break;
}
}
if (!isMatch && featureCount >= classBreakPoints.LastOrDefault().Key)
{
classBreakPoints.LastOrDefault().Value.Draw(new Feature[] { new Feature(tempMultiPointShape.GetCenterPoint(), featureValues) }, canvas, labelsInThisLayer, labelsInAllLayers);
}
if (featureCount != 1)
{
// Draw the text style to show how many feaures are consolidated in the cluster
textSytle.Draw(new Feature[] { new Feature(tempMultiPointShape.GetCenterPoint(), featureValues) }, canvas, labelsInThisLayer, labelsInAllLayers);
}
}
}
}
protected override void DrawCore(IEnumerable <Feature> features, GeoCanvas canvas
, Collection <SimpleCandidate> labelsInThisLayer
, Collection <SimpleCandidate> labelsInAllLayers)
{
foreach (Feature feature in features)
{
string fieldValue = string.Empty;
if (feature.ColumnValues.ContainsKey(ColumnName))
{
fieldValue = feature.ColumnValues[ColumnName].Trim();
}
ValueItem valueItem = GetValueItem(fieldValue);
Feature[] tmpFeatures = new Feature[1] {
feature
};
if (valueItem.CustomStyles.Count == 0)
{
if (valueItem.DefaultAreaStyle != null)
{
valueItem.DefaultAreaStyle.Draw(tmpFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
}
if (valueItem.DefaultLineStyle != null)
{
valueItem.DefaultLineStyle.Draw(tmpFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
}
if (valueItem.DefaultTextStyle != null &&
tmpFeatures.Any(f
=> f.ColumnValues.ContainsKey("NoteText") && !String.IsNullOrEmpty(f.ColumnValues["NoteText"])))
{
valueItem.DefaultTextStyle.Draw(tmpFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
}
else if (valueItem.DefaultPointStyle != null)
{
if (feature.ColumnValues.ContainsKey("LinkFileName") && !string.IsNullOrEmpty(feature.ColumnValues["LinkFileName"]))
{
if (valueItem.DefaultTextStyle.Name == "FileLinkStyle" && valueItem.DefaultPointStyle.Name == "FileLinkStyle")
{
TextStyle textStyle = valueItem.DefaultTextStyle;
textStyle.PointPlacement = PointPlacement.LowerCenter;
if (valueItem.DefaultPointStyle.CustomPointStyles.Count > 0)
{
textStyle.YOffsetInPixel = -(valueItem.DefaultPointStyle.CustomPointStyles.FirstOrDefault().SymbolSize / 2);
}
else
{
textStyle.YOffsetInPixel = -(valueItem.DefaultPointStyle.SymbolSize / 2);
}
if (textStyle.CustomTextStyles.Count > 0)
{
foreach (var item in textStyle.CustomTextStyles)
{
item.YOffsetInPixel = textStyle.YOffsetInPixel;
}
}
Feature cloneFeature = feature.CloneDeep();
string path = cloneFeature.ColumnValues["LinkFileName"];
string columnValue = cloneFeature.ColumnValues["LinkFileName"];
if (columnValue.Contains("||"))
{
int index = columnValue.IndexOf("||");
path = columnValue.Substring(index + 2, columnValue.Length - index - 2);
}
string fileName = Path.GetFileName(path);
cloneFeature.ColumnValues["LinkFileName"] = fileName;
Feature[] fileLinkFeatures = new Feature[1] {
cloneFeature
};
textStyle.Draw(fileLinkFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
valueItem.DefaultPointStyle.Draw(tmpFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
}
}
else
{
valueItem.DefaultPointStyle.Draw(tmpFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
Console.Write("");
}
}
}
else
{
foreach (Style style in valueItem.CustomStyles)
{
style.Draw(tmpFeatures, canvas, labelsInThisLayer, labelsInAllLayers);
}
}
canvas.Flush();
}
}
protected override void DrawCore(IEnumerable <Feature> features, GeoCanvas canvas, Collection <SimpleCandidate> labelsInThisLayer, Collection <SimpleCandidate> labelsInAllLayers)
{
double scale = ExtentHelper.GetScale(canvas.CurrentWorldExtent, canvas.Width, canvas.MapUnit);
MapSuiteTileMatrix mapSuiteTileMatrix = new MapSuiteTileMatrix(scale, cellSize, cellSize, canvas.MapUnit);
IEnumerable <TileMatrixCell> tileMatricCells = mapSuiteTileMatrix.GetContainedCells(canvas.CurrentWorldExtent);
Dictionary <string, string> unusedFeatures = new Dictionary <string, string>();
foreach (Feature feature in features)
{
if (feature.GetWellKnownType() != WellKnownType.Point && feature.GetWellKnownType() != WellKnownType.Multipoint)
{
continue;
}
unusedFeatures.Add(feature.Id, feature.Id);
}
foreach (TileMatrixCell cell in tileMatricCells)
{
int featureCount = 0;
MultipointShape tempMultiPointShape = new MultipointShape();
foreach (Feature feature in features)
{
// Make sure the feature has not been used in another cluster
if (unusedFeatures.ContainsKey(feature.Id))
{
// Check if the cell contains the feature
if (cell.BoundingBox.Contains(feature.GetBoundingBox()))
{
featureCount++;
unusedFeatures.Remove(feature.Id);
if (feature.GetWellKnownType() == WellKnownType.Multipoint)
{
MultipointShape multipointShape = feature.GetShape() as MultipointShape;
foreach (var item in multipointShape.Points)
{
tempMultiPointShape.Points.Add(item);
}
}
else
{
tempMultiPointShape.Points.Add(feature.GetShape() as PointShape);
}
}
}
}
if (featureCount > 0)
{
// Add the feature count to the new feature we created. The feature will be placed
// at the center of gravity of all the clustered features of the cell we created.
Dictionary <string, string> featureValues = new Dictionary <string, string>();
featureValues.Add("FeatureCount", featureCount.ToString(CultureInfo.InvariantCulture));
bool isMatch = false;
for (int i = 0; i < classBreakPoint.Count - 1; i++)
{
var startItem = classBreakPoint.ElementAt(i);
var endItem = classBreakPoint.ElementAt(i + 1);
if (featureCount >= startItem.Key && featureCount < endItem.Key)
{
//Draw the point shape
startItem.Value.Draw(new[] { new Feature(tempMultiPointShape.GetCenterPoint(), featureValues) }, canvas, labelsInThisLayer, labelsInAllLayers);
isMatch = true;
break;
}
}
if (!isMatch && featureCount >= classBreakPoint.LastOrDefault().Key)
{
classBreakPoint.LastOrDefault().Value.Draw(new[] { new Feature(tempMultiPointShape.GetCenterPoint(), featureValues) }, canvas, labelsInThisLayer, labelsInAllLayers);
}
if (featureCount != 1)
{
// Draw the text style to show how many feaures are consolidated in the cluster
textSytle.Draw(new[] { new Feature(tempMultiPointShape.GetCenterPoint(), featureValues) }, canvas, labelsInThisLayer, labelsInAllLayers);
}
}
}
}