//Set the sampling size for one or all of the layers in the map
//The sampling size determines how many messages are factored into the message rate calculation.
//For instance a sampling size of 500 will store the times the last 500 messages were received.
//The message rate is calculated as the (oldest timestamp - current time) / number of messages
private void SetSampleSize()
{
try
{
int samplingSize = Convert.ToInt32(txtSampleSize.Text);
ITemporalLayer temporalLayer = GetSelectedTemporalLayer();
if (temporalLayer == null)
{
if (m_amsWorkspaceFactory == null)
{
m_amsWorkspaceFactory = new AMSWorkspaceFactoryClass();
}
//Get the AMS Workspace Factory Statistics interface
ITemporalWorkspaceStatistics temporalWsfStatistics = (ITemporalWorkspaceStatistics)m_amsWorkspaceFactory;
temporalWsfStatistics.SetAllSampleSizes(samplingSize);
}
else
{
ITemporalFeatureClassStatistics temporalFCStats =
(ITemporalFeatureClassStatistics)((IFeatureLayer)temporalLayer).FeatureClass;
temporalFCStats.SampleSize = samplingSize;
}
}
catch (Exception ex)
{
statusBarXY.Text = ex.Message;
}
}
//Reset the statistic's message rate for one or all of the layers in the map
private void btnResetMsgRate_Click(object sender, EventArgs e)
{
try
{
ITemporalLayer temporalLayer = GetSelectedTemporalLayer();
if (temporalLayer == null)
{
if (m_amsWorkspaceFactory == null)
{
m_amsWorkspaceFactory = new AMSWorkspaceFactoryClass();
}
//Get the AMS Workspace Factory Statistics interface
ITemporalWorkspaceStatistics temporalWsfStatistics = (ITemporalWorkspaceStatistics)m_amsWorkspaceFactory;
temporalWsfStatistics.ResetAllMessageRates();
}
else
{
ITemporalFeatureClassStatistics temporalFCStats =
(ITemporalFeatureClassStatistics)((IFeatureLayer)temporalLayer).FeatureClass;
temporalFCStats.ResetMessageRate();
}
}
catch (Exception ex)
{
statusBarXY.Text = ex.Message;
}
}
private void setupLayerLabels(ITemporalLayer trackingLayer, string labelField)
{
//cast TrackingLayerLabels from the temporal layer
ITrackingLayerLabels layerLabels = (ITrackingLayerLabels)trackingLayer;
//set the labels properties
layerLabels.LabelFieldName = labelField;
layerLabels.LabelFeatures = true;
// create text symbol
ITextSymbol textSymbol = new TextSymbolClass();
textSymbol.Color = (IColor)Converter.ToRGBColor(Color.Red);
textSymbol.Size = 15;
textSymbol.Font = Converter.ToStdFont(new Font(new FontFamily("Arial"), 15.0f, FontStyle.Regular));
textSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHARight;
textSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVABaseline;
layerLabels.TextSymbol = textSymbol;
}
//Get the tracking layer that is selected in the combo box according to its name
private ITemporalLayer GetSelectedTemporalLayer()
{
ITemporalLayer temporalLayer = null;
if (cbTrackingServices.SelectedIndex > 0)
{
ILayer lyr = null;
IEnumLayer temporalLayers = GetAllTrackingLayers();
string selectedLayerName = cbTrackingServices.Text;
while ((lyr = temporalLayers.Next()) != null)
{
if (lyr.Name == selectedLayerName)
{
temporalLayer = (ITemporalLayer)lyr;
}
}
}
return(temporalLayer);
}
private void RefreshStatistics()
{
try
{
ITemporalLayer temporalLayer = GetSelectedTemporalLayer();
//If a temporal layer is selected in the combo box only update that layer's stats
if (temporalLayer == null)
{
RefreshAllStatistics();
}
else
{
RefreshLayerStatistics(temporalLayer.Name,
(ITemporalFeatureClassStatistics)((IFeatureLayer)temporalLayer).FeatureClass);
}
}
catch (Exception ex)
{
statusBarXY.Text = ex.Message;
}
}
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;
}
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;
}
private void setupLayerLabels(ITemporalLayer trackingLayer, string labelField)
{
//cast TrackingLayerLabels from the temporal layer
ITrackingLayerLabels layerLabels = (ITrackingLayerLabels)trackingLayer;
//set the labels properties
layerLabels.LabelFieldName = labelField;
layerLabels.LabelFeatures = true;
// create text symbol
ITextSymbol textSymbol = new TextSymbolClass();
textSymbol.Color = (IColor)Converter.ToRGBColor(Color.Red);
textSymbol.Size = 15;
textSymbol.Font = Converter.ToStdFont(new Font(new FontFamily("Arial"), 15.0f, FontStyle.Regular));
textSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHARight;
textSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVABaseline;
layerLabels.TextSymbol = textSymbol;
}
