Simple symbology simbols

• SimplePointSymbol(color): Return simple point symbol using parameter color
  • param color: Color name
  • return: gvSIG point symbol
• SimpleLineSymbol(color): Return simple line symbol using parameter color
  • param color: Color name
  • return: gvSIG line symbol
• SimplePoligonSymbol(color): Return simple poligon symbol using parameter color
  • param color: Color name
  • return: gvSIG poligon symbol