Slope above the plane

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The slope is used for imaging the roofs of complex configuration, stairs and other similar objects. It is a trapezoid or a triangle. Drawn only by the first three or four points of the metric.

 

Slope_en

 

The first two points are the base, the rest ones are the top. The height of the slope is specified in the parameters, but can be taken from semantics. The slope can be displaced from the metrics, upwards or downwards, and can be located above another part of the image. Any part of the slope (lateral sides and top) can be absent. «Extensions» is the space of the top of the plane relative to the lateral sides. To define different descriptions, for example, at the top and at all or one of the lateral sides, you need to set two slopes, the identical in geometry and different in description.