FunctionGeometricLineDrawingsLibrary   "FunctionGeometricLineDrawings" 
 array_delete_all_lines(lines)  deletes all lines in array.
  Parameters:
     lines : line array, array with line objects to delete.
  Returns: void.
 triangle(sample_x, sample_y, xloc, extend, color, style, width)  Draw a Triangle with 3 vector2D(x, y) coordinates.
  Parameters:
     sample_x : int array, triangle sample data X coordinate values.
     sample_y : float array, triangle sample data Y coordinate values.
     xloc : string, defaultoptions=xloc.bar_index, xloc.bar_time. 
     extend : string, default=extend.none,  options=(extend.none, extend.right, extend.left, extend.both).
     color : color, default= 
     style : options line.style_solid, line.style_dotted, line.style_dashed, line.style_arrow_left, line.style_arrow_right, line.style_arrow_both
     width : width in pixels.
  Returns: line array
 trapezoid(sample_x, sample_y, xloc, extend, color, style, width)  Draw a Trapezoid with 4 vector2D(x, y) coordinates:
  Parameters:
     sample_x : int array, trapezoid sample data X coordinate values.
     sample_y : float array, trapezoid sample data Y coordinate values.
     xloc : string, defaultoptions=xloc.bar_index, xloc.bar_time. 
     extend : string, default=extend.none,  options=(extend.none, extend.right, extend.left, extend.both).
     color : color, default= 
     style : options line.style_solid, line.style_dotted, line.style_dashed, line.style_arrow_left, line.style_arrow_right, line.style_arrow_both
     width : width in pixels.
  Returns: line array


