public DotDensityAreaStyleUserControl(DotDensityStyle style, StyleBuilderArguments requiredValues)
{
InitializeComponent();
this.style = style;
this.RequiredValues = requiredValues;
if (RequiredValues.FeatureLayer == null || RequiredValues.FeatureLayer is InMemoryFeatureLayer)
{
viewDataButton.IsEnabled = false;
}
var ratio = Math.Round(1 / style.PointToValueRatio);
dotDensityStyleViewModel = new DotDensityStyleViewModel(style, requiredValues);
if (ratio != 1)
{
dotDensityStyleViewModel.PointValueRatioY = ratio;
}
DataContext = dotDensityStyleViewModel;
string helpUri = GisEditor.LanguageManager.GetStringResource("DotDensityAreaStyleHelp");
if (!string.IsNullOrEmpty(helpUri))
{
HelpUri = new Uri(helpUri);
}
}
private void DrawDotDensityFeatures_Load(object sender, EventArgs e)
{
winformsMap1.MapUnit = GeographyUnit.DecimalDegree;
winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);
ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(Samples.RootDirectory + @"Data\Countries02.shp");
worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.Country1;
ShapeFileFeatureLayer statesLayer = new ShapeFileFeatureLayer(Samples.RootDirectory + @"Data\USStates.shp");
statesLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(AreaStyles.Country1);
statesLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
// Draw features based dot density
DotDensityStyle dotDensityStyle = new DotDensityStyle();
dotDensityStyle.ColumnName = "POP1990";
dotDensityStyle.PointToValueRatio = 0.00002;
dotDensityStyle.CustomPointStyle = new PointStyle(PointSymbolType.Star, new GeoSolidBrush(GeoColor.StandardColors.Black), 5);
statesLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(dotDensityStyle);
LayerOverlay statesOverlay = new LayerOverlay();
statesOverlay.Layers.Add("WorldLayer", worldLayer);
statesOverlay.Layers.Add("StatesLayer", statesLayer);
winformsMap1.Overlays.Add(statesOverlay);
winformsMap1.ZoomLevelSnapping = ZoomLevelSnappingMode.Default;
winformsMap1.CurrentExtent = new RectangleShape(-126.4, 48.8, -67.0, 19.0);
winformsMap1.Refresh();
}
private void NotifyPointValueRatioIsBeyondTheRecommendedValue(DotDensityStyle style)
{
var result = System.Windows.Forms.MessageBox.Show(String.Format(GisEditor.LanguageManager.GetStringResource("CurrentDotsValueTooBigText"), Math.Round(1.0 / RecommendPointValueRatio)), GisEditor.LanguageManager.GetStringResource("MessageBoxWarningTitle"), System.Windows.Forms.MessageBoxButtons.OKCancel, System.Windows.Forms.MessageBoxIcon.Warning);
if (result == System.Windows.Forms.DialogResult.Cancel)
{
PointValueRatioY = 1 / RecommendPointValueRatio;
}
else
{
style.PointToValueRatio = 1 / PointValueRatioY;
}
}
private void NotifyPointStyleTypeChanged(DotDensityStyle style)
{
var result = System.Windows.Forms.MessageBox.Show(GisEditor.LanguageManager.GetStringResource("ChangingPointTypeWillDeleteText"), GisEditor.LanguageManager.GetStringResource("MessageBoxWarningTitle"), System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Asterisk);
if (result == System.Windows.Forms.DialogResult.Yes)
{
style.CustomPointStyle = null;
}
else
{
SelectedPointStyleType = GetPointStyleType(style.CustomPointStyle);
}
}
public DotDensityAreaStyleItem(Style style)
: base(style)
{
CanAddInnerStyle = true;
dotDensityStyle = style as DotDensityStyle;
if (dotDensityStyle != null && dotDensityStyle.CustomPointStyle != null)
{
foreach (var pointStyle in dotDensityStyle.CustomPointStyle.CustomPointStyles.Reverse())
{
pointStyle.Name = GisEditor.StyleManager.GetStylePluginByStyle(pointStyle).Name;
var styleItem = GisEditor.StyleManager.GetStyleLayerListItem(pointStyle);
Children.Add(styleItem);
}
}
}
public DotDensityStyleViewModel(DotDensityStyle style, StyleBuilderArguments requiredValues)
: base(style)
{
HelpKey = "DotDensityAreaStyleHelp";
ActualObject = style;
actualDotDensityStyle = style;
if (style.PointToValueRatio == 1.0)
{
RecommendPointValueRatio = 0.00001;
}
else
{
recommendPointValueRatio = style.PointToValueRatio;
}
SelectedPointStyleType = GetPointStyleType(style.CustomPointStyle);
InitRequiredColumnNames(requiredValues);
InitializeWarningTimer();
InitializePointValueRatio();
}
protected override void InitializeMap()
{
MapView.CurrentExtent = new RectangleShape(-14299615, 20037508, -7255178, -1015546);
ShapeFileFeatureLayer usLayer = new ShapeFileFeatureLayer(SampleHelper.GetDataPath("usStatesCensus2010.shp"));
LayerOverlay layerOverlay = new LayerOverlay();
layerOverlay.Layers.Add(usLayer);
MapView.Overlays.Add(layerOverlay);
usLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Clear();
usLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(new AreaStyle(new GeoPen(new GeoSolidBrush(GeoColor.SimpleColors.Black))));
//TODO: check this
double pointToValueRatio = 0.0000094778167166538189;
PointStyle pointStyle = PointStyles.CreateSimpleCircleStyle(GeoColor.StandardColors.Black, 7);
DotDensityStyle dotDensityStyle = new DotDensityStyle("Population", pointToValueRatio, pointStyle);
dotDensityStyle.CustomPointStyle = PointStyles.CreateSimpleCircleStyle(GeoColor.FromHtml("#a57431"), 5);
usLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(dotDensityStyle);
usLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
}
/// <summary>
/// Gets an overlay applied with DotDensity style.
/// </summary>
public static LayerOverlay GetOverlayWithDotDensityStyle()
{
// Get the file path name from its relative path.
string shpFilePathName = GetFullPath("App_Data/usStatesCensus2010.shp");
ShapeFileFeatureLayer shapeFileFeatureLayer = new ShapeFileFeatureLayer(shpFilePathName);
shapeFileFeatureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(AreaStyles.CreateSimpleAreaStyle(GeoColor.FromArgb(20, GeoColor.FromHtml("#00e6fe")), GeoColor.StandardColors.Gray));
// Create the DotDensityStyle
DotDensityStyle dotDensityStyle = new DotDensityStyle("Population", 0.0000094778167166538189, PointStyles.CreateSimpleCircleStyle(GeoColor.StandardColors.Black, 7));
dotDensityStyle.CustomPointStyle = PointStyles.CreateSimpleCircleStyle(GeoColor.FromHtml("#a57431"), 5);
shapeFileFeatureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(dotDensityStyle);
shapeFileFeatureLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
// Apply projection to the shape file which is used for display.
shapeFileFeatureLayer.FeatureSource.Projection = GetProjection();
LayerOverlay layerOverlay = new LayerOverlay();
layerOverlay.Layers.Add(shapeFileFeatureLayer);
return(layerOverlay);
}
/// <summary>
/// Setup the map with the ThinkGeo Cloud Maps overlay.
/// </summary>
protected override void OnAppearing()
{
base.OnAppearing();
// Set the map's unit of measurement to meters(Spherical Mercator)
mapView.MapUnit = GeographyUnit.Meter;
// Add Cloud Maps as a background overlay
var thinkGeoCloudVectorMapsOverlay = new ThinkGeoCloudVectorMapsOverlay("itZGOI8oafZwmtxP-XGiMvfWJPPc-dX35DmESmLlQIU~", "bcaCzPpmOG6le2pUz5EAaEKYI-KSMny_WxEAe7gMNQgGeN9sqL12OA~~", ThinkGeoCloudVectorMapsMapType.Light);
mapView.Overlays.Add(thinkGeoCloudVectorMapsOverlay);
ShapeFileFeatureLayer housingUnitsLayer = new ShapeFileFeatureLayer(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Data/Shapefile/Frisco 2010 Census Housing Units.shp"));
// Project the layer's data to match the projection of the map
housingUnitsLayer.FeatureSource.ProjectionConverter = new ProjectionConverter(2276, 3857);
DotDensityStyle housingUnitsStyle = new DotDensityStyle("H_UNITS", .1, 1, GeoColors.Blue);
// Add and apply the ClassBreakStyle to the housingUnitsLayer
housingUnitsLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(housingUnitsStyle);
housingUnitsLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
// Add housingUnitsLayer to a LayerOverlay
var layerOverlay = new LayerOverlay();
layerOverlay.Layers.Add(housingUnitsLayer);
// Add layerOverlay to the mapView
mapView.Overlays.Add(layerOverlay);
// Set the map extent
housingUnitsLayer.Open();
mapView.CurrentExtent = housingUnitsLayer.GetBoundingBox();
housingUnitsLayer.Close();
}
private void Form_Load(object sender, EventArgs e)
{
// Set the map's unit of measurement to meters(Spherical Mercator)
mapView.MapUnit = GeographyUnit.Meter;
// Add Cloud Maps as a background overlay
var thinkGeoCloudVectorMapsOverlay = new ThinkGeoCloudVectorMapsOverlay("itZGOI8oafZwmtxP-XGiMvfWJPPc-dX35DmESmLlQIU~", "bcaCzPpmOG6le2pUz5EAaEKYI-KSMny_WxEAe7gMNQgGeN9sqL12OA~~", ThinkGeoCloudVectorMapsMapType.Light);
mapView.Overlays.Add(thinkGeoCloudVectorMapsOverlay);
ShapeFileFeatureLayer housingUnitsLayer = new ShapeFileFeatureLayer(@"../../../Data/Shapefile/Frisco 2010 Census Housing Units.shp");
// Project the layer's data to match the projection of the map
housingUnitsLayer.FeatureSource.ProjectionConverter = new ProjectionConverter(2276, 3857);
// Here we use a dot density type based on the number of housing units in the area.
// It draws 1 sized blue circles with a ratio of one dot per 10 housing units in the data
DotDensityStyle housingUnitsStyle = new DotDensityStyle("H_UNITS", .1, 1, GeoColors.Blue);
// Add and apply the ClassBreakStyle to the housingUnitsLayer
housingUnitsLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(housingUnitsStyle);
housingUnitsLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
// Add housingUnitsLayer to a LayerOverlay
var layerOverlay = new LayerOverlay();
layerOverlay.Layers.Add(housingUnitsLayer);
// Add layerOverlay to the mapView
mapView.Overlays.Add(layerOverlay);
// Set the map extent
housingUnitsLayer.Open();
mapView.CurrentExtent = housingUnitsLayer.GetBoundingBox();
housingUnitsLayer.Close();
}
public static bool CheckIsValid(this Style style)
{
AreaStyle areaStyle = style as AreaStyle;
LineStyle lineStyle = style as LineStyle;
PointStyle pointStyle = style as PointStyle;
TextStyle textStyle = style as TextStyle;
DotDensityStyle dotDensityStyle = style as DotDensityStyle;
ClassBreakStyle classBreakStyle = style as ClassBreakStyle;
RegexStyle regexStyle = style as RegexStyle;
FilterStyle filterStyle = style as FilterStyle;
CompositeStyle componentStyle = style as CompositeStyle;
bool isStyleValid = style.IsActive && !string.IsNullOrEmpty(style.Name);
if (areaStyle != null)
{
isStyleValid &= (!areaStyle.FillSolidBrush.Color.IsTransparent ||
!areaStyle.OutlinePen.Color.IsTransparent ||
areaStyle.Advanced.FillCustomBrush != null);
}
else if (lineStyle != null)
{
isStyleValid &= (!lineStyle.CenterPen.Color.IsTransparent ||
!lineStyle.OuterPen.Color.IsTransparent ||
!lineStyle.InnerPen.Color.IsTransparent);
}
else if (pointStyle != null)
{
switch (pointStyle.PointType)
{
case PointType.Symbol:
isStyleValid &= (!pointStyle.SymbolPen.Color.IsTransparent ||
pointStyle.Image != null ||
!pointStyle.SymbolSolidBrush.Color.IsTransparent ||
pointStyle.Advanced.CustomBrush != null);
break;
case PointType.Bitmap:
isStyleValid &= pointStyle.Image != null;
break;
case PointType.Character:
isStyleValid &= pointStyle.CharacterFont != null &&
(!pointStyle.CharacterSolidBrush.Color.IsTransparent ||
pointStyle.Advanced.CustomBrush != null);
break;
default:
break;
}
}
else if (textStyle != null)
{
isStyleValid &= !string.IsNullOrEmpty(textStyle.TextColumnName) &&
(!textStyle.HaloPen.Color.IsTransparent ||
!textStyle.TextSolidBrush.Color.IsTransparent ||
textStyle.Advanced.TextCustomBrush != null);
}
else if (dotDensityStyle != null)
{
isStyleValid &= !string.IsNullOrEmpty(dotDensityStyle.ColumnName) &&
(dotDensityStyle.CustomPointStyle != null &&
CheckIsValid(dotDensityStyle.CustomPointStyle) &&
dotDensityStyle.PointToValueRatio != 0);
}
else if (classBreakStyle != null)
{
isStyleValid &= !string.IsNullOrEmpty(classBreakStyle.ColumnName) &&
classBreakStyle.ClassBreaks.Count != 0;
}
else if (regexStyle != null)
{
isStyleValid &= !string.IsNullOrEmpty(regexStyle.ColumnName) &&
regexStyle.RegexItems.Count != 0;
}
else if (filterStyle != null)
{
isStyleValid &= filterStyle.Conditions.Count > 0;
}
else if (componentStyle != null)
{
isStyleValid = true;
}
return(isStyleValid);
}
