Thank you for your help, I think I should improve my programming ability
first.
On Saturday, November 26, 2022 at 5:41:32 PM UTC+8 Radu Serban wrote:
> In fact, I don’t think it finds the texture concrete.jpg on line 91. It
> just doesn’t crash because of it.
>
>
>
> To access vehicle data as it’s done in this demo, you should also make a
> call like:
>
> vehicle::SetDataPath(CHRONO_DATA_PATH + “/vehicle”);
>
>
>
> Alternatively, you can access vehicle-related files like this:
>
> patch2->SetTexture(GetChronoDataFile("vehicle/terrain/textures/concrete.png"),
>
> 20, 20);
>
> auto patch3 = terrain.AddPatch(patch3_mat, ChCoordsys<>(0, -42, 0),
> QUNIT),GetChronoDataFile("vehicle/terrain/meshes/bump.obj"));
>
> and so on.
>
>
>
> --Radu
>
>
>
> *From:* [email protected] <[email protected]> *On
> Behalf Of *yaoyiyao
> *Sent:* Saturday, 26 November 2022 08:48
> *To:* ProjectChrono <[email protected]>
> *Subject:* Re: [chrono] Error loading OBJ file
>
>
>
> Hi,I add SetChronoDataPath(CHRONO_DATA_DIR); to my relocated
> demo_VEH_RigidTerrain code,I think my data files location is right.
>
> I debug my codes,I found it read jpg file normally,but it read obj file
> abnormally.
>
> Many thanks in anvance.
>
> On Friday, November 25, 2022 at 3:10:38 PM UTC+8 Radu Serban wrote:
>
> As the message indicates, files in the Chrono data/ directory cannot be
> found (you can verify that there is no directory data/ at that location
> relative to where your executable is).
>
> This is because you moved the demo away from its place in the Chrono file
> hierarchy.
>
>
>
> To address this issue, you must specify a new location of where the code
> should be looking for data files. If you look at the source of
> my_example.cpp in the template_project, you will see that this is done on
> the very first line in the main() function:
>
> // Set path to Chrono data directory
>
> SetChronoDataPath(CHRONO_DATA_DIR);
>
> Simply add this to your relocated demo_VEH_RigidTerrain code.
>
>
>
> The manner in which the problem of locating Chrono data files is addressed
> in the sample template_project is one possibility (study carefully how the
> CMakeLists file is set up there to understand what is being done). There
> are other ways in which you could address the problem, but at the end of
> the day, you must make a call to SetChronoDataPath() to properly locate any
> Chrono data files your program uses.
>
>
>
> --Radu
>
>
>
> *From:* [email protected] <[email protected]> *On
> Behalf Of *yaoyiyao
> *Sent:* Friday, 25 November 2022 03:22
> *To:* ProjectChrono <[email protected]>
> *Subject:* [chrono] Error loading OBJ file
>
>
>
> Hi,I run template_project successfully.Then I copy
> demo_VEH_RigidTerrain's code in template_project and modify cmakelist
> file ,but run failed.
>
>
> [image: Image removed by sender.]
>
> what's wrong with it?
>
> Many thanks in advance.
>
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