Hi Radu, I am very grateful the problem was resolved under your advices.😄 It is worth mentioning that the attached code is "demo_MBS_collision_trimesh.cpp" in the master of ProjectChrono, I just modified the position and orientation of body_B to attach the collison shape.
Chao 'Radu Serban' via ProjectChrono <[email protected]> 于2023年3月29日周三 22:37写道： > Hi Chao, > > > > You didn’t attach your sample code. So, I’m not exactly sure what you are > trying to do. Having said that, when using the Bullet collision system, > the position and orientation passed to AttachTriangleMesh are indeed > ignored (that’s not the case if you use the CHRONO collision system type). > > > > For the case of the Bullet collision system type, one solution is to > transform all mesh vertices (using, for example, > ChTriangleMeshConnected::Tranform()) prior to attaching it to the body, or > else move the body itself; if, as I suspect, the body you want to attach > the collision mesh to is the “ground” body, note that you can have multiple > bodies that you declare as “fixed”. > > > > --Radu > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *Chao Zhang > *Sent:* Wednesday, March 29, 2023 2:27 AM > *To:* ProjectChrono <[email protected]> > *Subject:* [chrono] Re: Function AddTriangleMesh() in class > ChCollisionModel does not seem to work > > > > Attached code: demo_MBS_collision_trimesh.cpp in Project Chrono > > > > 在2023年3月29日星期三 UTC+8 15:23:44<Chao Zhang> 写道： > > Hi, developers > > > > I am trying to move my obj mesh model to any point in 3d space when I > build collision model in chrono physical system. Unfortunately, I find that > member function AddTriangleMesh() in class ChCollisonModelBullet. It seems > that AddBox works weel. Even though Transform() for ChTriangleMeshConnected > object will be helpful to me. > > Any advice will be appreciate. > > > > PS: I'm using the latest version of Chrono trunk code. > > > > Chao > > -- > You received this message because you are subscribed to the Google Groups > "ProjectChrono" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/projectchrono/36edafa5-a8b5-475d-98a2-44e33c1c37f0n%40googlegroups.com > <https://groups.google.com/d/msgid/projectchrono/36edafa5-a8b5-475d-98a2-44e33c1c37f0n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to a topic in the > Google Groups "ProjectChrono" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/projectchrono/UGy9z9e0U7w/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/projectchrono/PH0PR06MB8237380BF8647F8C246D52BCA7899%40PH0PR06MB8237.namprd06.prod.outlook.com > <https://groups.google.com/d/msgid/projectchrono/PH0PR06MB8237380BF8647F8C246D52BCA7899%40PH0PR06MB8237.namprd06.prod.outlook.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/projectchrono/CAJeooanNtr2xOr5yd6yTbJ5pAwXiSHpcSzXdskRvK0imHbpLyg%40mail.gmail.com.
