本帖来源于autodesk-revit博客，版权归作者所有
感谢陈思瑾翻译
原文地址：http://autodesk-revit.blogspot.com/2013/03/tower-fun-repeater-nesting.html

So after a couple of posts on using repeater units to create quick towers for master planning, I thought I’d share another tip. Now, I agree none of tower stacks are doing to win design awards. However, the exercise here is to use Revits parametric functionality to quickly create a massing study for urban design / planning studies. So using the same principles I showed in the previous blog posts, I created a unit based on a generic model family.
所以，在我们通过多次粘贴相同的单元来快速建造控制性规划中的塔楼之后，我想要提一点。我认为没有任何一个如此堆叠起来的塔楼能够获得设计大奖。然而，这只是在运用Revit的参数化功能来快速建造一个用于城市设计或城市规划研究的体块。所以我基于一个通用模型组，用了一些与之前在博客上发表过的原理来创建了一个单元。

All the parameters in this generic model are instance based parameters. The parameters included are…
在这个通用模型中所有的参数都是实例参数。参数如下：

Now you could go even further by nesting 2d families or calculating the floor area based on the parameters. What you could do here is endless. But in terms of making this useful for implementing on a project, ask what data do you actually need to calculate? Obviously number of units is useful, floor plate area, but what else? These are the things you should be considering when looking to embed useful data for urban planning. Whilst, in this example I have not created the parameters as shared parameters, in a proper project example I would, as I would ideally like to schedule the parameters as well as tag the units. So once you have your units working as you require as a generic model, next start a new adaptive generic model family. Load your generic model into the adaptive generic model family.The important thing here is to lock & align the nested generic model to the centre left/right , centre front/back reference planes. This will ensure the centre points of the units remain the same & it doesn’t shift around when you start to tweak the parameters.
现在你可以通过导入2d组件或者运用参数进行楼层面积的计算来进行更深层次的建模。但这样做是毫无意义的。就如何让模型成为一个有益于项目实施的东西来说，你需要询问的是实际需要什么样的数据来进行计算？清楚的单元数目，楼层面积，还有什么呢？有一些东西在你搜寻有用的城市规划数据的时候必须要考虑。与此同时，我在这个案例中并没有设置之前分享过的那些参数，在一个合适的工程项目中，我会理想化地调整参数和链接单元。因此，一旦你让你所做的单元成为你所要求的通用模型，接下来就要开始建立一个新的适应性的通用模型组。也就是把你的通用模型加载进适应性通用模型组中。很重要的一点是要把载入的通用模型锁定并排列在参考平面中心的前/后,左/右。这是为了确保单元的中心点都在同一个位置，当你开始扭曲系数的时候它不会偏移。

Next I start to connect the parameters together. By selecting the generic model family, I can see the instance parameters that I created to start with in the generic model. When you do this, if you click the small button to the right of the parameter, this will open up the Associate Family parameter dialogue, where you can add a parameter of the same name & start to link the parameters from the generic model to the AC generic model.
接下来我开始把参数都链接在一起。选中通用模型组，可以看见我在建造通用模型的时候设置的实例参数。当你点击参数右边的按钮，将会打开一个联合组的参数对话框，然后输入用一个相同名称的参数，然后把通用模型中的参数连接到AC通用模型中。

After connected, its worth testing the parameters to see if everything flexes as you expect. Once everything is working, next load this into our repeater stack & place it on one of the divided points. Then use the repeater function, so that the nested AC repeats over the stack.
连接之后，将这些参数测试一下看看是否一切都像预期的一样运行。一切正常之后，把它加载进中继器堆栈，接着把它放置在其中一个分裂的点上。然后用这个复制功能，让导入的AC在堆栈上重复运行。

To make things flex at this level, again select the family & choose Associate Family Parameters using the same names as you did before. This allows us to provide maximum flexibility when working with the family in a project.Once done, load it into a project & start playing.
想要让模型在这个层面运行，需要重复选择组，然后选择与之前相同名称的关联参数群组。这能够让我们在项目中运用组时，使其具有最大的灵活性。完成之后，将它导入项目中，开始运行。

Posted by David Light