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所在平台: Udemy |
课程主页: https://www.udemy.com/course/civil-3d-2023-to-2024-alignment-essentials/
课程评论：没有评论
**Coursera 课程总结：Civil 3D 路线设计基础** 本课程将带您深入了解 Civil 3D 中作为道路建模基础的横向路线（Alignments）。路线是线条、曲线和回旋线的组合体，被视为一个整体。 **核心要点：** * **路线的定义与作用：** 路线是由线、曲线和回旋线组成的集合，是道路、铁路或场地设计中的重要起点。除了道路中心线，路线对象还可以代表管线网络和其他施工基线。 * **创建与编辑路线：** 您可以从绘制的样条线生成命名的路线，也可以利用“路线布局工具”来创建更具控制力的路线对象。编辑路线时，无论是通过夹点还是“路线布局工具”中的命令，其组件间的相切关系都能被自动维持。 * **路线与其他Civil 3D对象的关系：** 路线可以作为剖面（Profiles）、横断面（Sections）和三维模型（Corridors）的父对象，也可以独立存在。修改路线将自动更新所有关联的对象，实现高效的协同设计。 * **路线类型的应用：** 在创建路线时，您可以为其指定类型，如中心线（centerline）、偏移线（offset）、缓和曲线（curb return）、轨道（rail）或杂项（miscellaneous）。这些类型有助于根据路线功能对数据进行分类。例如，中心线类型用于道路中心线，轨道类型用于铁路，其他类型则适用于公用设施管道等。 * **独立与关联路线：** 缓和曲线和偏移线路线可以是独立的，但通常又与其它路线动态关联。它们可以作为交叉口的组成部分自动生成，偏移线还可以用于道路加宽设计。 * **曲线设计与超高：** 一旦路线构建完成，您可以控制三维模型在曲线区域的行为。您可以为轨道路线计算坡度（cant），为中心线、偏移线和缓和曲线路线计算超高（superelevation）。 * **路线的管理与报告：** 在“Prospector”选项卡中，路线被归类于“Alignments”集合或“Site”集合。您可以在这些集合中生成路线报告、修改路线特性以及导出 LandXML 数据。 本课程是您掌握 Civil 3D 路线设计核心功能的必备入门。
The horizontal alignments that serve as the foundation for modeling roadways will be introduced to you in this course.Alignments are made up of a collection of lines, curves, and spirals that are seen as a single thing.In addition to pipe networks and other construction baselines, alignment objects can represent road centerlines. One of the first tasks in designing a road, railroad, or site is creating and specifying a horizontal alignment. The named alignment can be made from the alignment geometry, which can be drawn as a polyline. The Alignment Layout Tools can be used to generate an alignment object for more control. Additionally, tangency between the alignment components is automatically maintained when editing alignments using grips or the commands on the Alignment Layout Tools toolbar.Profiles, sections, and corridors can all have alignments as their parent object or as a stand-alone object. When you modify an alignment, all associated items are automatically updated.Give an alignment a type when you create it, such as centerline, offset, curb return, rail, or miscellaneous. These alignment types can be used to classify your data according to alignment function. Choose the centerline type for a road centerline, the rail type for a railroad, or the other type for other applications, such as a utility conduit. They are autonomous items of these types.Curb return and offset alignments can both be independent, but they are frequently dynamically coupled to other alignments. Curb returns and offset alignments can both be generated automatically as intersectional elements. Widenings may also use offsets.You can determine how the corridor will behave around curves after an alignment has been built. You can compute cant along rail alignments as well as superelevation along centerline, offset, and curb return alignments.In the Prospector tab, alignments are listed in either the Alignments collection or a Site collection. You can generate reports, alter the alignment characteristics, and export LandXML from these collections.
