Hi, Radu Thank you so much for your great patience and huge help!
best regards! 在2022年12月9日星期五 UTC+8 23:42:57<Radu Serban> 写道： > I created and pushed to the main branch of the Chrono repository a set of > JSON files which define the same toy vehicle as in > demo_VEH_ArticulatedVehicle > <https://github.com/projectchrono/chrono/tree/main/src/demos/vehicle/articulated_vehicle> > . > You can see these new files here > <https://github.com/projectchrono/chrono/tree/main/data/vehicle/articulated_chassis>. > > This JSON—specified vehicle model can be used from the C++ > demo_VEH_WheeledJSON > <https://github.com/projectchrono/chrono/blob/main/src/demos/vehicle/wheeled_models/demo_VEH_WheeledJSON.cpp> > > or from the Python demo_VEH_WheeledJSON > <https://github.com/projectchrono/chrono/blob/main/src/demos/python/vehicle/demo_VEH_WheeledJSON.py> > > (by uncommenting the appropriate lines). > > Like the C++ example model, this JSON-based ACV model uses a 2WD driveline > connected to the front axle. To use a 4WD driveline, simply create an > appropriate JSON specification file (such as this one > <https://github.com/projectchrono/chrono/blob/main/data/vehicle/hmmwv/driveline/HMMWV_Driveline4WD.json>) > > and modify accordingly the vehicle specification JSON file (like done here > <https://github.com/projectchrono/chrono/blob/4e6f407dca8fef1a4fbfab124db1c1a8b4f87ae2/data/vehicle/hmmwv/vehicle/HMMWV_Vehicle_4WD.json#L43> > ). > > > > --Radu > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *ttt feng > *Sent:* Thursday, 8 December 2022 13:12 > *To:* ProjectChrono <[email protected]> > *Subject:* [chrono] Import Articulated Vehicle with JSON file in PyChrono > > > > Hi, > > Under the reference of demo_VEH_TrailerJSON.py , I tried to import > articulated vehicle using json files in pychrono. I have the following > questions to ask for help. > > > > 1)In demo_VEH_TrailerJSON.py, Some contents about the json files of Sedan > and Trailer are as follows， > > > > "Name": "Sedan", > "Type": "Vehicle", > "Template": "WheeledVehicle", > > > > "Name": "Ultra Tow 40x48", > "Type": "Trailer", > "Template": "WheeledTrailer", > > > > Is the beginning of the json file of the front body and rear body of the > articulated vehicle the same? > > > > 2)How to write JSON files to enable four-wheel drive of articulated > vehicles? > > > > The powerful function of Chrono cannot be separated from the efforts of > everyone in the team, and I am very interested in Chrono. But according to > the demo_ VEH_ TrailerJSON. Py is still struggling to write json files for > articulated vehicle, so do I have any better references? Or does the team > intend to write a json file demo for articulated vehicles in the later > stage. > > > > > > -- > 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/0b8bb848-f71f-45c1-95eb-76b93498d9edn%40googlegroups.com > > <https://groups.google.com/d/msgid/projectchrono/0b8bb848-f71f-45c1-95eb-76b93498d9edn%40googlegroups.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/d86fad65-71e1-4eac-8d30-8f80bfecc8e8n%40googlegroups.com.
