我在观看 关于office project的 教学视频的时候 有部分利用 地形模型功能的演示过程 但我发现我的安装文件夹里 并没有相关的地形文件 我该怎么解决呢

In English:

Can you please identify where this video is located? The "office project" example model does not include a terrain model, so the person who created the video most likely added that in as an extra example. If you are interested in using terrain models, you can find more information here: Using Downstream Trace and Digital Terrain Models

For the quickest response for future questions, if you are comfortable with English, please post to the main OpenFlows Forum here: OpenFlows | Hydraulics and Hydrology Forum

用中文（表达：

你能否确定这段视频的位置？ “办公室项目”示例模型不包括地形模型，因此创建视频的人最有可能将其添加为一个额外的示例。 如果您对使用地形模型感兴趣，可以在此处找到更多信息：Using Downstream Trace and Digital Terrain Models

对于未来问题的最快回复，如果您对英语感到满意，请在此处发布主OpenFlows论坛：OpenFlows | Hydraulics and Hydrology Forum

In English:

Can you please identify where this video is located? The "office project" example model does not include a terrain model, so the person who created the video most likely added that in as an extra example. If you are interested in using terrain models, you can find more information here: Using Downstream Trace and Digital Terrain Models

For the quickest response for future questions, if you are comfortable with English, please post to the main OpenFlows Forum here: OpenFlows | Hydraulics and Hydrology Forum

用中文（表达：

你能否确定这段视频的位置？ “办公室项目”示例模型不包括地形模型，因此创建视频的人最有可能将其添加为一个额外的示例。 如果您对使用地形模型感兴趣，可以在此处找到更多信息：Using Downstream Trace and Digital Terrain Models

对于未来问题的最快回复，如果您对英语感到满意，请在此处发布主OpenFlows论坛：OpenFlows | Hydraulics and Hydrology Forum