Class CMItemHTML extends CMItem
  CMItemHTML Class
  This class creates a DIV that can contain HTML (including SVG) data to be associated with a coordinate in 2D or 3D space.
  This was originally used to hold SVG data and then I realized this could be any HTML content.
 
  
  Copyright (C) 2020, Humboldt State University, Jim Graham 
  
  This program is free software: you can redistribute it and/or modify it under the terms of the GNU General 
  Public License as published by the Free Software  Foundation, either version 3 of the License, or (at your 
  option) any later  version. 
   
  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the 
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
  for more details. 
  
  You should have received a copy of the GNU General Public License along with this program. If not, see 
  
Settings Group: HTML
| Setting | Name | Type | Options | Default | Comments | 
|---|---|---|---|---|---|
| ClassName | Class Name | CMTYPE_STRING | HTML text to set into the div | ||
| Position | Type | CMTYPE_ENUMERATED | CMLABEL_LOCATIONS | Default is undefined which will center the div | |
| OffsetX | Offset X | CMTYPE_FLOAT | 0 | ||
| OffsetY | Offset Y | CMTYPE_FLOAT | 0 |