boolean function ( ) { return isVisible ; }
this method returns true if this layer should be traced concode_field_sep boolean isModified concode_elem_sep int MAX_LAYERS concode_elem_sep float alpha concode_elem_sep ColorInterface layerColor concode_elem_sep String LayerDescription concode_elem_sep boolean isVisible concode_field_sep void setVisible concode_elem_sep void setColor concode_elem_sep boolean getModified concode_elem_sep ColorInterface getColor concode_elem_sep void setModified concode_elem_sep void setAlpha concode_elem_sep void setDescription concode_elem_sep String getDescription concode_elem_sep float getAlpha