private ITemporalRenderer setRenderer(IFeatureClass featureClass, string temporalField, string eventName)
{
CoTrackSymbologyRenderer trackingRenderer = new CoTrackSymbologyRendererClass();
ITemporalRenderer temporalRenderer = (ITemporalRenderer)trackingRenderer;
temporalRenderer.TemporalFieldName = temporalField;
temporalRenderer.TemporalObjectColumnName = eventName;
temporalRenderer.TimeSymbologyMethod = enumTemporalSymbolizationMethod.enumColor;
//this is a desktop only code which requires assemblies CartoUI and Framework
//IRendererPropertyPage rendererPropPage = new UniqueValuePropertyPageClass();
//enable the most current renderer
IUniqueValueRenderer uniqueValrenderer = CreateUniqueValueRenderer(featureClass, eventName);
if (null != uniqueValrenderer)
{
((ITemporalRenderer2)temporalRenderer).MostCurrentRenderer = (IFeatureRenderer)uniqueValrenderer;
((ITemporalRenderer2)temporalRenderer).MostCurrentRendererEnabled = true;
//this is a desktop only code which requires assemblies CartoUI and Framework
//((ITemporalRenderer2)temporalRenderer).PropPageMostCurrentRenderer = rendererPropPage.ClassID;
}
//set the track renderer
uniqueValrenderer = CreateTrackUniqueValueRenderer(featureClass, eventName);
if (null != uniqueValrenderer)
{
ITrackSymbologyRenderer trackSymbolenderer = trackingRenderer as ITrackSymbologyRenderer;
trackSymbolenderer.TrackSymbologyRenderer = (IFeatureRenderer)uniqueValrenderer;
((ITemporalRenderer2)temporalRenderer).TrackRendererEnabled = true;
((ITemporalRenderer2)temporalRenderer).SmoothTracks = true;
//this is a desktop only code which requires assemblies CartoUI and Framework
//((ITemporalRenderer2)temporalRenderer).PropPageTrackRenderer = rendererPropPage.ClassID;
}
return(temporalRenderer);
}
protected override void OnClick()
{
if (!m_bIsConnected)
{
try
{
//open the shapefile with the recorded data
IFeatureClass featureClass = openPlaybackData();
if (null == featureClass)
{
return;
}
//get the map container
object mapObj = ArcMap.Application;
//load the Tracking Analyst extension
ITrackingEnvironment3 trackingEnv = setupTrackingEnv(ref mapObj);
//set the mode to historic, since you need to do playback
trackingEnv.DefaultTemporalReference.TemporalMode = enumTemporalMode.enumHistoric;
//set the units of the temporal period to days
trackingEnv.DefaultTemporalReference.TemporalPeriodUnits = enumTemporalUnits.enumDays;
//set the update mode to manual so that it will be controlled by the application
trackingEnv.DisplayManager.ManualUpdate = true;
//set the temporal perspective to Aug 03 2000 7PM.
trackingEnv.DefaultTemporalReference.TemporalPerspective = "8/3/2000 7:0:00 PM";
// Stop using the map's time to allow the layer to draw based on it's TemporalPerspective
ITimeData timeData = m_temporalLayer as ITimeData;
timeData.UseTime = false;
//create a temporal operator that will serve as a base time for the tracking environment
ITemporalOperator3 temporalOpBaseTime = new TemporalOperatorClass() as ITemporalOperator3;
//set the base time to 6PM, Aug 3 2000
temporalOpBaseTime.SetDateTime(2000, 8, 3, 18, 0, 0, 0);
//create the renderer for the temporal layer
ITemporalRenderer temporalRenderer = setRenderer(featureClass, "DATE_TIME", "EVENTID");
//create the temporal layer for the playback data
m_temporalLayer = new TemporalFeatureLayerClass();
//assign the featureclass for the layer
((IFeatureLayer)m_temporalLayer).FeatureClass = featureClass;
//set the base time to initialize the time window of the layer
m_temporalLayer.RelativeTimeOperator = (ITemporalOperator)temporalOpBaseTime;
//set the renderer for the temporal layer
m_temporalLayer.Renderer = temporalRenderer as IFeatureRenderer;
//set the flag in order to display the track of previous locations
m_temporalLayer.DisplayOnlyLastKnownEvent = false;
//initialize labels for the event name
setupLayerLabels(m_temporalLayer, "EVENTID");
m_activeView = ArcMap.Document.ActiveView;
m_temporalEnv = trackingEnv;
m_baseTime = temporalOpBaseTime;
//add the temporal layer to the map
ArcMap.Document.FocusMap.AddLayer((ILayer)m_temporalLayer);
//enable the timer
m_timer.Enabled = true;
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
else
{
//disable the timer
m_timer.Enabled = false;
if (null == m_temporalLayer)
{
return;
}
//remove the layer
ArcMap.Document.FocusMap.DeleteLayer((ILayer)m_temporalLayer);
m_temporalLayer = null;
}
m_bIsConnected = !m_bIsConnected;
m_docEvent = ArcMap.Document as IDocumentEvents_Event;
m_docEvent.CloseDocument += new IDocumentEvents_CloseDocumentEventHandler(docEvent_CloseDocument);
ArcMap.Application.CurrentTool = null;
}
