======Метод RoadLibrary.BuildFgTopSurface(RoadAlignment, Surface, Double, Double)======
  * **Пространство имен:** [[developers:references:topomatic.alg.road.runtime.tools|Topomatic.Alg.Road.Runtime.Tools]]
  * **Сборка:** Topomatic.Alg.Road.Runtime (в Topomatic.Alg.Road.Runtime.dll)
=====Синтаксис=====
<code csharp>public static bool BuildFgTopSurface(RoadAlignment alignment, Surface surface, double lineStep, double curveStep)</code>
**Параметры**
  * //alignment//
    * Тип: [[developers:references:topomatic.alg.road.roadalignment|Topomatic.Alg.Road.RoadAlignment]]

  * //surface//
    * Тип: [[developers:references:topomatic.sfc.surface|Topomatic.Sfc.Surface]]

  * //lineStep//
    * Тип: [[developers:references:system.double|System.Double]]

  * //curveStep//
    * Тип: [[developers:references:system.double|System.Double]]

**Возвращаемое значение**
  * Тип: [[developers:references:system.boolean|System.Boolean]]