/// <summary>
/// Occurs when the user click inside the globe
/// </summary>
/// <param name="Button"></param>
/// <param name="Shift"></param>
/// <param name="X"></param>
/// <param name="Y"></param>
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
//make sure that the weatherlayer and the featureclass exists
if (null == m_weatherLayer || null == m_featureClass)
{
return;
}
//get the current point (convert the mouse coordinate into geographics coordinate)
double lat, lon, alt;
m_globeViewUtil.WindowToGeographic(m_globeDsp, m_globeDsp.ActiveViewer, X, Y, true, out lon, out lat, out alt);
IPoint point = new PointClass();
((IZAware)point).ZAware = true;
point.PutCoords(lon, lat);
//Set a default elevation of 1000M. Alternatively, the user can get the
//elevation from the globesurface (ISurface)
point.Z = 1000.0;
//create the spatial filter in order to select the relevant zipCode
ISpatialFilter spatialFilter = new SpatialFilterClass();
spatialFilter.Geometry = point as IGeometry;
spatialFilter.GeometryField = m_featureClass.ShapeFieldName;
//The spatial filter supposed to filter all the polygons containing the point
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelWithin;
//query the featureclass for the containing features
IFeatureCursor featureCursor = m_featureClass.Search(spatialFilter, true);
IFeature feature = featureCursor.NextFeature();
if (null == feature)
{
return;
}
//get the zip code from the containing feature
long zipCode = Convert.ToInt64(feature.get_Value(feature.Fields.FindField("ZIP")));
//add the weather item to the layer
m_weatherLayer.AddItem(zipCode, lat, lon);
//release the featurecursor
Marshal.ReleaseComObject(featureCursor);
}
/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
try
{
//get the weather layer
IEnumLayer layers = m_scene.get_Layers(null, false);
layers.Reset();
ILayer layer = layers.Next();
while (layer != null)
{
if (layer is RSSWeatherLayer3DClass)
{
m_weatherLayer = (RSSWeatherLayer3DClass)layer;
break;
}
layer = layers.Next();
}
//in case that the layer exists
if (null != m_weatherLayer)
{
//launch the zipCode input dialog
ZipCodeDlg dlg = new ZipCodeDlg();
if (DialogResult.OK == dlg.ShowDialog())
{
long zipCode = dlg.ZipCode;
if (0 != zipCode)
{
//add the weather item to the layer
m_weatherLayer.AddItem(zipCode);
//if the user checked the 'ZoomTo' checkbox, zoom to the item
if (dlg.ZoomToItem)
{
m_weatherLayer.ZoomTo(zipCode);
}
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
