Hi Giri, Please provide more details on what it is that you are trying to do and what “hardcoded” values for the Y and Z axes you are talking about (is that in the physics simulation, in the runtime visualization, or something else?) As far as I can tell, you want is to have the gravity acting along the “Down” direction of a NED frame. In that case you will want to set the Chrono value of the gravitational acceleration (always assumed to be fixed in the absolute frame) to zero and include gravity forces using a custom force loader (as gravity will change direction relative to the absolute, ECEF frame).
--Radu From: projectchrono@googlegroups.com <projectchrono@googlegroups.com> On Behalf Of Giri Mugundan Sent: Tuesday, November 12, 2024 2:23 AM To: ProjectChrono <projectchrono@googlegroups.com> Subject: [chrono] Set UpVector as -Z Hello, I am trying to simulate an NED frame. If I were to override the hard coded values for Z or Y as the "upvector" where do I need to make the changes? Please help me out. Thank you. Sincerely, Giri -- 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 projectchrono+unsubscr...@googlegroups.com<mailto:projectchrono+unsubscr...@googlegroups.com>. To view this discussion visit https://groups.google.com/d/msgid/projectchrono/0af82d41-b21a-4a1a-ade6-dc90a1dbee2bn%40googlegroups.com<https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/0af82d41-b21a-4a1a-ade6-dc90a1dbee2bn*40googlegroups.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!PMPIT3q-rdeldmDZTJJgNIb3OJiDOFaa-GDjcNVCx25b-KEaHynC63rsb8Gg0uhLGaQgknFBD3TvViQQLhgN$>. -- 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 projectchrono+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/projectchrono/CH3PPF46CDC21855D7B3F45799C514EC27FA72A2%40CH3PPF46CDC2185.namprd06.prod.outlook.com.