private void InitializeMap(Map map)
{
map.MapUnit = GeographyUnit.DecimalDegree;
map.MapTools.Logo.Enabled = true;
map.MapBackground = new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF"));
map.CurrentExtent = new RectangleShape(-128.17864375, 56.9286546875, -69.11614375, 20.1903734375);
// base map layers
WorldStreetsAndImageryOverlay worldMapKitOverlay = new WorldStreetsAndImageryOverlay();
map.CustomOverlays.Add(worldMapKitOverlay);
// us states layer
ShapeFileFeatureLayer statesLayer = new ShapeFileFeatureLayer(Server.MapPath(ConfigurationManager.AppSettings["UsShapefilePath"]));
ThematicDemographicStyleBuilder selectedStyle = new ThematicDemographicStyleBuilder(new Collection <string>()
{
"Population"
});
statesLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(selectedStyle.GetStyle(statesLayer.FeatureSource));
statesLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
map.DynamicOverlay.Layers.Add("usStatesLayer", statesLayer);
// highlight layers
map.HighlightOverlay.HighlightStyle = new FeatureOverlayStyle(GeoColor.FromArgb(150, GeoColor.FromHtml("#449FBC")), GeoColor.FromHtml("#014576"), 1);
map.HighlightOverlay.Style = new FeatureOverlayStyle(GeoColor.SimpleColors.Transparent, GeoColor.SimpleColors.Transparent, 0);
statesLayer.Open();
foreach (Feature feature in statesLayer.FeatureSource.GetAllFeatures(ReturningColumnsType.NoColumns))
{
map.HighlightOverlay.Features.Add(feature.Id, feature);
}
statesLayer.Close();
// Add hover-popup
CloudPopup featureinfoPopup = new CloudPopup("featureInfoPopup", new PointShape(-98.64739375, 38.5595140625), "State Info"); // make the popup out of map view temporarily
featureinfoPopup.AutoSize = true;
map.Popups.Add(featureinfoPopup);
// Add Legend adorment overlay
LegendAdornmentLayer legendAdornmentLayer = new LegendAdornmentLayer();
legendAdornmentLayer.Location = AdornmentLocation.LowerLeft;
legendAdornmentLayer.XOffsetInPixel = 10;
legendAdornmentLayer.Title = new LegendItem();
legendAdornmentLayer.Title.ImageJustificationMode = LegendImageJustificationMode.JustifyImageRight;
legendAdornmentLayer.Title.TopPadding = 10;
legendAdornmentLayer.Title.BottomPadding = 10;
legendAdornmentLayer.Title.TextStyle = new TextStyle("Population", new GeoFont("Segoe UI", 12), new GeoSolidBrush(GeoColor.SimpleColors.Black));
map.AdornmentOverlay.Layers.Add(legendAdornmentLayer);
ThematicDemographicStyleBuilder initDemographicStyle = new ThematicDemographicStyleBuilder(new Collection <string>()
{
"Population"
});
UpdateLegend(initDemographicStyle, map);
}
private bool UpdateMapAndLegend(JsonCallbackRequest callbackRequest, Map map)
{
// Get the requested sub-categories
Category selectedCategory = null;
Collection <CategoryItem> selectedCategoryItems = new Collection <CategoryItem>();
if (callbackRequest.StyleBuildType == DemographicStyleBuilderType.PieChart)
{
selectedCategoryItems = GetCategoryItemByAlias(callbackRequest.SelectedCategoryItems, ref selectedCategory);
}
else
{
selectedCategoryItems = GetCategoryItemByAlias(new Collection <string>()
{
callbackRequest.RequestColumnAlias
}, ref selectedCategory);
}
DemographicStyleBuilder demographicStyle = null;
switch (callbackRequest.StyleBuildType)
{
case DemographicStyleBuilderType.PieChart:
demographicStyle = new PieChartDemographicStyleBuilder();
foreach (CategoryItem categoryItem in selectedCategoryItems)
{
((PieChartDemographicStyleBuilder)demographicStyle).SelectedColumnAliases.Add(categoryItem.Alias);
}
if (!string.IsNullOrEmpty(callbackRequest.StartColor))
{
((PieChartDemographicStyleBuilder)demographicStyle).Color = GeoColor.FromHtml(callbackRequest.StartColor);
}
break;
case DemographicStyleBuilderType.Thematic:
demographicStyle = new ThematicDemographicStyleBuilder();
if (!string.IsNullOrEmpty(callbackRequest.StartColor))
{
((ThematicDemographicStyleBuilder)demographicStyle).StartColor = GeoColor.FromHtml(callbackRequest.StartColor);
}
if (!string.IsNullOrEmpty(callbackRequest.EndColor))
{
((ThematicDemographicStyleBuilder)demographicStyle).EndColor = GeoColor.FromHtml(callbackRequest.EndColor);
}
if (!string.IsNullOrEmpty(callbackRequest.ColorWheelDirection))
{
((ThematicDemographicStyleBuilder)demographicStyle).ColorWheelDirection = callbackRequest.ColorWheelDirection.Equals("Clockwise") ? ColorWheelDirection.Clockwise : ColorWheelDirection.CounterClockwise;
}
break;
case DemographicStyleBuilderType.DotDensity:
demographicStyle = new DotDensityDemographicStyleBuilder();
if (!string.IsNullOrEmpty(callbackRequest.StartColor))
{
((DotDensityDemographicStyleBuilder)demographicStyle).Color = GeoColor.FromHtml(callbackRequest.StartColor);
}
if (callbackRequest.SliderValue > 0)
{
((DotDensityDemographicStyleBuilder)demographicStyle).DotDensityValue = 50 * (callbackRequest.SliderValue / 3.0);
}
break;
case DemographicStyleBuilderType.ValueCircle:
demographicStyle = new ValueCircleDemographicStyleBuilder();
if (!string.IsNullOrEmpty(callbackRequest.StartColor))
{
((ValueCircleDemographicStyleBuilder)demographicStyle).Color = GeoColor.FromHtml(callbackRequest.StartColor);
}
if (callbackRequest.SliderValue > 0)
{
((ValueCircleDemographicStyleBuilder)demographicStyle).RadiusRatio = callbackRequest.SliderValue / 3.0;
}
break;
default:
break;
}
foreach (CategoryItem categoryItem in selectedCategoryItems)
{
demographicStyle.SelectedColumns.Add(categoryItem.ColumnName);
}
ShapeFileFeatureLayer statesLayer = map.DynamicOverlay.Layers["usStatesLayer"] as ShapeFileFeatureLayer;
statesLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Clear();
Style selectedStyle = demographicStyle.GetStyle(statesLayer.FeatureSource);
statesLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(selectedStyle);
statesLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
map.DynamicOverlay.Redraw();
// update the legend based on the selected style
UpdateLegend(demographicStyle, map);
return(true);
}
