![]() It does not have any affect on the calculations: these are performed with the precise geometry defined for the shape.įor label shapes, which have no surface to draw, you specify only the axis pen colour to be used with the draw local axes option. The number of lines is used only for the drawing of the shape. Planes extend to infinity in all directions, but only a part of the infinite plane local to the view centre is drawn. A density of $d$ means that there are $d$ lines per scale bar length: higher density values give a finer grid, which may take longer to draw. The number of lines drawn for a plane shape is controlled by the grid density, which is given in terms of the length of the scale bar on the 3D view. Where it is necessary to keep the display simple you may set the number of lines to 2. The number of lines determines how many lines are used in the wire frames – a larger value gives a more realistic picture, but one which takes a little longer to draw. To aid visualisation, the outside pen is used if the surface is being viewed from the outside of the shape, and the inside pen is used if it is being viewed from the inside. Wire frame drawing Pens and number of linesĮach surface of a shape is drawn as a wire frame using one the specified pens. ![]()
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