private bool NodeFilterFunction(PowerNode node)
{
if (node.X < SW_LON || node.X > NE_LON || node.Y < SW_LAT || node.Y > NE_LAT)
{
return(false);
}
return(true);
}
private HitTestResultBehavior HitTestCallback(HitTestResult result)
{
RayHitTestResult htResult = result as RayHitTestResult;
if (htResult != null)
{
if (nodeModels.ContainsKey(htResult.ModelHit))
{
tooltip = new ToolTip();
tooltip.Content = nodeModels[htResult.ModelHit].ToolTip;
tooltip.IsOpen = true;
tooltip.Placement = System.Windows.Controls.Primitives.PlacementMode.Mouse;
return(HitTestResultBehavior.Stop);
}
if (selectedModel1 != null)
{
Material mat = new DiffuseMaterial(Brushes.Red);
selectedModel1.Material = oldMaterial1;
selectedModel2.Material = oldMaterial2;
}
if (lineModels.ContainsKey(htResult.ModelHit))
{
PowerLine line = lineModels[htResult.ModelHit];
PowerNode pn1 = nodeMap.IdToNodeDictionary[line.FirstEnd];
PowerNode pn2 = nodeMap.IdToNodeDictionary[line.SecondEnd];
GeometryModel3D pn1Model = nodeModels.FirstOrDefault(n => n.Value == pn1).Key as GeometryModel3D;
GeometryModel3D pn2Model = nodeModels.FirstOrDefault(n => n.Value == pn2).Key as GeometryModel3D;
// Save old materials to restore on deselect
selectedModel1 = pn1Model;
selectedModel2 = pn2Model;
oldMaterial1 = pn1Model.Material;
oldMaterial2 = pn2Model.Material;
Material mat = new DiffuseMaterial(Brushes.GreenYellow);
pn1Model.Material = mat;
pn2Model.Material = mat;
// Show tooltip
tooltip = new ToolTip();
tooltip.Content = lineModels[htResult.ModelHit].ToolTip;
tooltip.IsOpen = true;
tooltip.Placement = System.Windows.Controls.Primitives.PlacementMode.Mouse;
}
}
return(HitTestResultBehavior.Stop);
}