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Bug Report: UE4.20 Datasmith instance mesh 丢失

问题描述: 一个含有重复部件(Instance Mesh) .JT 工业模型文件, 在最新版 Datasmith(4.20E3)UE4 Launcher(4.20.3)中导入模型各零部件正常,在场景中重现时候,所有 Instance Mesh 全部丢失。 同样的工业模型在 UE Launcher 版 (4.19.3) Datasmith (0.182) 上导入完全正常。

重现方法: 1. 下载这个工业模型 https://github.com/Aboutdept/UnrealStudio.git 2. 使用 UE 4.20 与 Datasmith 4.20E3 以全默认的选项导入空场景 3. 在 Content Browser 里面可以看到所有模型零部件导入正常 4. 在 场景中以及 Outline 里面可以看到 Instance Mesh 做的零部件无法被正常导入场景中 5. 同样的模型在 UE4.19 与 Datasmith 0.182 中以默认属性导入,零部件和场景中都可以看到所有内容正常导入,包括 Instance Mesh 模型

如果找到原因请回复,或者给我发邮件吧 nicki@aboutdept.com

谢谢。

![alt text][1]

4.20 场景中看到的内容

![alt text][2]

4.19 中看到的场景 [1]: /storage/temp/254516-17.jpg [2]: /storage/temp/254518-18.jpg

Product Version: UE 4.20
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18.jpg (291.5 kB)
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asked Sep 23 '18 at 03:56 PM in Using UE4

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Nicki
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