columns:id|NUMERIC	comment|TEXT	type|NUMERIC	visibility|NUMERIC	fill_style|NUMERIC	fill_fore_color|NUMERIC	pen_style|NUMERIC	pen_fore_color|NUMERIC	pen_line_style|NUMERIC	pen_line_thickness|NUMERIC	pen_marker|NUMERIC	opacity|NUMERIC	use_graphic_attributes|NUMERIC	use_texture|NUMERIC	roof_top|TEXT	roof_edge|TEXT	roof_dormer|TEXT	wall_right|TEXT	wall_left|TEXT	wall_center|TEXT	other_texture|TEXT	fill_back_color|NUMERIC	pen_back_color
indexes:id																				
