text Opacity
The default textOpacity for all annotations added to this annotation manager if not overwritten by individual annotation settings.
The opacity at which the text will be drawn. Default value: 1. Value range: 0, 1
The default textOpacity for all annotations added to this annotation manager if not overwritten by individual annotation settings.
The opacity at which the text will be drawn. Default value: 1. Value range: 0, 1