======Метод RoadLibrary.PrepareTriangleIslandOffset(RoadAlignment, CompoundLine, Side, Double, Boolean, 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 PrepareTriangleIslandOffset(RoadAlignment descent, CompoundLine edgeLine, Side side, double station, bool use_last, out double island_width)</code>
**Параметры**
  * //descent//
    * Тип: [[developers:references:topomatic.alg.road.roadalignment|Topomatic.Alg.Road.RoadAlignment]]

  * //edgeLine//
    * Тип: [[developers:references:topomatic.alg.compoundline|Topomatic.Alg.CompoundLine]]

  * //side//
    * Тип: [[developers:references:topomatic.alg.road.runtime.tools.side|Topomatic.Alg.Road.Runtime.Tools.Side]]

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

  * //use_last//
    * Тип: [[developers:references:system.boolean|System.Boolean]]

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

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