Generalization of Contours
	The contour line image should present: A uniform overall treatment of the terrain, which is fully interrelated Simplify the detailed form of contour and emphasize and combine large forms Represent the type of the terrain by emphasizing breaks in slopes Represent the terrain an adequate contour line interval and line width Provide a certain level of accuracy of the contour lines and other features
	28th July 2001		ICOM 2001, Tampere