ContourLayer.setContourWidth

void setContourWidth(int contourWidth, int minorContourWidth = -1);

Argument	Default	Description
contourWidth	(Mandatory)	The major contour line width in pixels. If this method is never called, the default contour line width is 1 pixel.
minorContourWidth	-1	The minor contour line width. -1 means the minor contour line width is the same as the major contour line width.