private bool load_Labels()
{
string fn = pviewer.ProjectManager.CurrentProject.FolderPath + "/Data/Labels.xml";
if (!System.IO.File.Exists(fn))
{
return(false);
}
XPathDocument doc = new XPathDocument(fn);
XPathNavigator nav = doc.CreateNavigator();
var xml = nav.Select("Labels/Label");
while (xml.MoveNext())
{
string xpos = xml.Current.GetAttribute("x", "");
string ypos = xml.Current.GetAttribute("y", "");
string zpos = xml.Current.GetAttribute("z", "");
string name = xml.Current.GetAttribute("name", "");
double x = double.Parse(xpos, System.Globalization.CultureInfo.InvariantCulture);
double y = double.Parse(ypos, System.Globalization.CultureInfo.InvariantCulture);
double z = double.Parse(zpos, System.Globalization.CultureInfo.InvariantCulture);
VRVector3D pos = new VRVector3D(x, y, z);
IVRLabel label = m_LabelGroup.Add(name, pos);
}
return(true);
}
void m_ItemCreate_Click(object sender, EventArgs e)
{
// Get the click information from the Tag property as a VRRaycastResult type.
VRRayCastResult res = SDKViewer.UI.ContextMenu3D.Tag as VRRayCastResult;
// Create the label at the location the user clicked, and set the text of the label to "New Label" and a next line with the position.
IVRLabel label = m_LabelGroup.Add("New Label\n" + res.Position.ToString("f2"), res.Position);
// Add it to the dictionary, for later reference (see m_ItemDestroy_Click)
m_Labels.Add(label.ID, label);
// Dump in the window text area the ID of the label created.
m_RichTextBox.Text += "Created a new Label of ID : " + label.ID.ToString() + "\r\n";
}
IVRLabelGroup m_LabelGroup = null; // The label group owned by this plugin.
void m_ItemDestroy_Click(object sender, EventArgs e)
{
// Get the click information from the Tag property as a VRRaycastResult type.
VRRayCastResult res = SDKViewer.UI.ContextMenu3D.Tag as VRRayCastResult;
IVRLabel label = null;
// Try to get the label instance matching the ID. If not found, probably user clicked on a walkinside redline, or a label from other plugin.
if (m_Labels.TryGetValue(res.TagID, out label))
{
// Remove the tag from the dictionary.
m_Labels.Remove(res.TagID);
// Remove the label from the 3D engine.
m_LabelGroup.Remove(label);
label = null;
// Dump in the window text area the ID of the label destroyed.
m_RichTextBox.Text += "Destroyed Label with ID : " + res.TagID.ToString() + "\r\n";
}
else
{
// Dump in the window text area the ID of the label clicked but not owned by this plugin.
m_RichTextBox.Text += "Destroyed Label with ID : " + res.TagID.ToString() + "\r\n";
}
}
