交互创建数字城市

CityEngine是一套城市产生器，可以快速的建构大型都市模型.
City Engine是个开发了5年多的软件，目前主要还是运用于游戏中，而且还有特别的大的潜力，特别是在城市街道的造景上。可以导入地图数据，生成真实的路网,调用CGA文件可以随机生成建筑，并匹配贴图,轻松生成大规模城市.

CityEngine 能使用户能够创建灵活创建超级大城市，并无缝地整合到Vue中而得到的详细的建筑或街道景观模型。
今后城市化设计及景观将融为一体，一定会为城市景观专业和设计程序爱好者玩家带来新的设计体验！

引用Procedural宣布正式发布CityEngine 2010.2，在该版本中，用户体验得到了显著改善。除此之外，软件也进行了全面的提升和修复，基于节点的规则编辑器也获得了升级。
CityEngine 2010.2最突出特点就是能够交互式编辑动态的城市布局，基于节点的创作规则，以及创建外观的素描工具。除此之外，CityEngine 2010.2引进大量先进功能，例如先进的街区细分、复杂街道的模型、面向案例和资产搜索的新规则操作，以及使用FBX 2011.3导出案例，等等。
CityEngine 2010.2最新特性：通过使用强大的边捕捉功能，极大地减少了对手工修改的需求，从而使得街道网络清理工具得到了显著的拓展。此外，新的UV分割操作能够更好的支持弯曲街道的处理。
CityEngine STUDIO非常适合小型工作室的娱乐和建筑制作要求，尤其对于那些想要了解CityEngine全部潜力或者承受不起高价的工作室而言，更是如此。

最重要的是，CityEngine STUDIO版本现在仅需要1695美元就可以被购买。对于小型工作室而言，这是一个面向娱乐和建筑的非常不错的能够节省成本的城市建模解决方案。

CityEngine的全新动态城市布局允许你对街道网络进行全面的实时编辑。直观的工具集被提供用来设计、绘图和修改由弯曲的街道、街区和空地组成的城市布局。通过参数化的界面，街道创建或街区细分能够非常容易地被控制，并提供即时的视觉回馈。

CityEngine 2010.2其它特点如下：
改善的图形用户界面，基本节点的规则编辑器
使用新夜晚城市模板的城市向导
外观向导增强
支持FBX 2011.3和RenderMan的64位导出

官方网站：http://www.procedural.com

CityEngine is a standalone software that provides professional users in entertainment, architecture, urban planning, GIS and general 3D content production with a unique conceptual design and modeling solution for the efficient creation of 3D cities and buildings. The key highlights of CityEngine include:
GIS/CAD Data Support
CityEngine supports industry-standard formats such as ESRI Shapefile or DXF which allow to import/export any geo-spatial/vector data such as parcels, building footprints with arbitrary attributes, or line data to create street networks. See e.g. the Rotterdam showcase for an example.
OpenStreetMap Import
To copy real cities or efficiently create an urban environment for your design, you can use data from OpenStreetMap. There you can download for free geospatial data of real cities and directly import it into CityEngine. See e.g. the Venice example.
Dynamic City Layouts
An intuitive toolset is provided to interactively design, edit and modify urban layouts consisting of (curved) streets, blocks and parcels. Street construction or block subdivision is controlled via parametric interfaces, giving immediate visual feedback. See e.g. the Paris example.
Street Networks Patterns
CityEngine offers unique street grow tools to quickly design and construct urban layouts. Street patterns such as grid, organic or circular are available and the topography of the terrain is taken into account. See e.g. the future development area in the NYC2259 example.
Rule-based Modeling Core
Procedural modeling based on CGA rules offers unlimited possibilities to control mass, geometry assets, proportions, or texturing of buildings or streets on a city-wide scale. You can define your own rules using your own textures/models in the node- or text-based rule editor (as described in the tutorials).
Facade Wizard
Quickly create rules out of an image or a textured mass model with this simple and easy-to-use visual facade authoring tool. The resulting facade rules are size-independent, contain level-of-detail and can be extended with e.g. detailed window asset. Example workflow is presented in the Facade Wizard tutorial.
Parametric Modeling Interface
A convenient interface to interactively control specific street or building parameters such as the height or age (defined by the rules) is provided. And with the live mode, parameter modifications invoke the automatic regeneration of the 3D model. See e.g. the Modern Streets example or the Petronas Tower example.
Map-Controlled City Modeling
Any parameter of the buildings and streets can be controlled globally via image maps (for example the building heights or the landuse-mix). This allows for intuitive city modeling and quick changes on a city-wide scale. Furthermore, terrains can be imported, aligned, and exported. See e.g. the Medieval Town example.
Industry-Standard 3D Formats
CityEngine supports Collada, Autodesk® FBX®, 3DS, Wavefront OBJ and e-on software’s Vue, which allow for flawless 3D data exchange. FBX® and Collada support asset instancing, multiple UV-sets, grouping and binary encoding. Furthermore, scenes can also be exported to RenderMan® RIB or mental ray® MI format. Textures can be collected during (batch) export. Read more…
Reporting (BIM for Cities)
Customized rule-based reports can be generated to analyze the urban design e.g. automatically calculate quantities such as GFA, FAR, etc. Reports are updated automatically and instantaneously and can be made for whole city parts. More details can be found in the Reporting tutorial.
Python
Streamline repetitive or pipeline-specific tasks with the integrated Python scripting interface e.g. write out arbitrary meta-data or instancing information for each building, import FBX® cameras etc. An example use case is demonstrated in the Unreal Engine import workflow.
Training Materials & Provided Examples
Whether you’re an architect, urban planner, GIS professional, game developer, or CG artist, several learning videos and tutorials demonstrate you the basics and key concepts of CityEngine. Included are demo cities of ancient, contemporary and future cities at different levels of detail. See training materials overview.
Available for All Platforms
CityEngine is available for Windows (32/64bit), Mac OSX (64bit), and Linux (32/64bit). As licensing model you can choose between node-locked or floating licenses (including license borrowing). More information about system requirements and licensing options can be found in the FAQ.

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