Commit Graph

54 Commits

Author SHA1 Message Date
Alessio Quaglino 7a7dc7ccad Add support for loading 1D flex components from OBJ line segments.
The obj_decoder plugin is updated to parse line segments ('l') from OBJ files and represent them as degenerate triangles. The user_flexcomp compiler now supports flex dimensions of 1, using these parsed line segments to define the 1D flex elements. The compile sample's error reporting is also improved.

PiperOrigin-RevId: 928566870
Change-Id: I6920729d1b1d5aeb391401c3245ebb1d4784c190
2026-06-08 08:03:30 -07:00
Haroon Qureshi c587cea0f7 Add flex to shapes test scene.
PiperOrigin-RevId: 915363027
Change-Id: Icb0bf26374396a3929eeec30807fcf78b683ee94
2026-05-14 04:40:06 -07:00
Haroon Qureshi 465e574c42 Test scene for shape generators.
PiperOrigin-RevId: 913694536
Change-Id: I49a2a3a4f918f9b80650ce884d3d442581e60d6b
2026-05-11 07:42:56 -07:00
Haroon Qureshi 75bbf03cfb Add PBR test model.
PiperOrigin-RevId: 890431107
Change-Id: Ib3b5fa775daa93b4c798483df226585441ea5c61
2026-03-27 07:05:08 -07:00
Alessio Quaglino 98682ae284 Do not modify mesh position when fitting a geom to the mesh AABB.
Also, unify the meaning of fitting a geom to an AABB: it now means to find the smallest geom such that its AABB contains the mesh AABB.

Fixes #2881.

PiperOrigin-RevId: 817097544
Change-Id: I883c686feffa803bd16ba461db24a474dfec7712
2025-10-09 03:05:00 -07:00
Yuval Tassa fde479736e Finalize built-in mesh example model and documentation
PiperOrigin-RevId: 791227350
Change-Id: Ibdcdb8a4ee5b3f78c9ae93e1db2a9a2f9d55a80c
2025-08-05 08:32:51 -07:00
Yuval Tassa 705ec6d7fb Adds built-in superellipsoid mesh.
PiperOrigin-RevId: 791196831
Change-Id: I1d864f6e620870f016377a4d9e2e26d1a23fd77e
2025-08-05 07:02:52 -07:00
Yuval Tassa a5d4d1000e Add built-in supertoroid mesh.
PiperOrigin-RevId: 791180080
Change-Id: I3a70f50ff4a52a1bd4b88fc30334a574895145b4
2025-08-05 06:06:43 -07:00
Yuval Tassa 996f0040fd Add built-in sphere mesh.
PiperOrigin-RevId: 791162850
Change-Id: I573a414727e79f1a495e0f2282b2faff48ab3443
2025-08-05 05:05:05 -07:00
Yuval Tassa 5220767457 Add built-in hemisphere mesh.
PiperOrigin-RevId: 791148546
Change-Id: Ic9ff0c9b0f5fa4fd22d5f7f848f150cf74d378ba
2025-08-05 04:16:24 -07:00
Yuval Tassa a5a6379f83 Add built-in cone mesh type.
Also delete `prism` type since it is subsumed by cone.

PiperOrigin-RevId: 790992343
Change-Id: I7a9c6f2a4377489173acd64b23086c748d2cee8e
2025-08-04 19:35:32 -07:00
Alessio Quaglino 89f4789085 Add mjs_makeMesh to create a builtin mesh.
PiperOrigin-RevId: 788538127
Change-Id: I999733399a1a0da07b0f915f34d31364ab8b3b52
2025-07-29 11:31:18 -07:00
Mohammad Hamid 3429a4881a Detect mismatch between maxNodes and Nodes in a gmsh block. Fixes #2342
PiperOrigin-RevId: 745967745
Change-Id: If1b5fcd71079a0e6a6def9b442758678e31a5828
2025-04-10 04:15:21 -07:00
Alessio Quaglino 14dc6fd33b Do not use inertia during mesh compilation.
Fixes #2479.

PiperOrigin-RevId: 735387473
Change-Id: Ib241f2a0efc100bbe2cec24e0399bfcc87268094
2025-03-10 08:35:33 -07:00
Alessio Quaglino adc3cc06fa Change private->public spec for error checking in mjCSkin recompilation.
Fixes #2485.

PiperOrigin-RevId: 735323174
Change-Id: Ifcc2055f6a74afaa18ad5228633f36f760adcffd
2025-03-10 04:19:40 -07:00
Alessio Quaglino 7651cb1b33 Copy texture coordinates from OBJ into flex. Fixes #2464.
PiperOrigin-RevId: 732109960
Change-Id: I506b3540ab5d489ce8f10d0c473919611ccb654a
2025-02-28 06:04:19 -08:00
Tom Power 89253d957d Changes to inertia inference from meshes.
PiperOrigin-RevId: 726051033
Change-Id: I6edfc118280d103a2dd9d07f29f0094858769761
2025-02-12 07:43:13 -08:00
Alessio Quaglino fe16c27555 Always compute the convex hull if the mesh inertia is set to convex.
PiperOrigin-RevId: 723477903
Change-Id: Ibc50d62741f47a5b96a648efd8fb244810664c17
2025-02-05 05:52:10 -08:00
Alessio Quaglino b598d79b3f Move mesh inertia specification from global <compiler> to <asset/mesh>.
Three options:
- Convex: Use convex hull
- Exact: Use exact geometry (requires watertight mesh)
- Legacy: Legacy approximation (deprecated)

Fixes #2152

PiperOrigin-RevId: 688949900
Change-Id: I4537f343db917195c6fd58d517b189d5ee3be1cd
2024-10-23 07:06:31 -07:00
Mohammad Hamid 694bdebc19 Fixed a bug that caused dim to be necessary in flexcomp even when it was inferred from GMSH files.
Fixes #2107.

Co-authored-by: Alessio Quaglino <quaglino@google.com>
PiperOrigin-RevId: 684419740
Change-Id: Ia73e719bd37503563223ed92f4dbe0ae07eef300
2024-10-10 06:20:43 -07:00
Alessio Quaglino 015bdeb756 Disallow repeated nameless assets that use the same file, except for URDFs.
PiperOrigin-RevId: 675114055
Change-Id: I142811ac2d8ef9e12bb8a06d5f3a2fdac02946da
2024-09-16 05:50:50 -07:00
Yuval Tassa 8954a088ce Add automatic free-joint alignment.
PiperOrigin-RevId: 671010083
Change-Id: Ib7d60f75c7f545b1886703715663db8de77feeef
2024-09-04 10:07:33 -07:00
Alessio Quaglino 6e64dd10e8 Fix bug in RemoveFromList.
The function was interpreting that the elements that were expected to be detached contained useful user errors, and therefore it was not detaching them. Also, the function tried to compare the namespace between two models, but the namespace is already fused in the references at detach time.

PiperOrigin-RevId: 651738364
Change-Id: Ifdaa9bd5b658bfd18b544b7138a5c2c56b66e936
2024-07-12 05:08:00 -07:00
Alessio Quaglino 2f46dec669 Fix bug in frame saving. Fixes #1802
PiperOrigin-RevId: 651696068
Change-Id: Ie1e2e1de4e83c42f2b5ebcc3afd0540b9afe7bbd
2024-07-12 01:56:38 -07:00
Copybara-Service 5b080bacc4 Merge pull request #1799 from JewelryForge:main
PiperOrigin-RevId: 651069985
Change-Id: I758e27e2f4bf19bba38d9e1189a41accae40d028
2024-07-10 10:29:22 -07:00
Chengrui Zhu 1a47860577 Add a xml test file whose mesh has a default class. user_api_test will have a segmentation fault before #1799. 2024-07-10 23:10:22 +08:00
Yuval Tassa 7e97caaafd Add a test for lengthrange computation, with and without threading.
PiperOrigin-RevId: 650997405
Change-Id: I45c3725dacb6ccf17977953a9ffed717c927b786
2024-07-10 06:39:18 -07:00
Baruch Tabanpour ace0c8f0a3 Add maxhullvert.
PiperOrigin-RevId: 641092710
Change-Id: Ib4fa828a9c82531614f0a67de9990340dbb25406
2024-06-06 19:05:16 -07:00
Yuval Tassa 875823ba96 Speed up slow test.
PiperOrigin-RevId: 635014612
Change-Id: Ifb7fe174827f59647bb254a3ece25abbd57962ca
2024-05-18 03:07:30 -07:00
Mohammad Hamid d6bc8c7781 BEGIN_PUBLIC
Replaced "shark" test models with lighter models to speed up tests.
END_PUBLIC.

- procedurally generated light cube
- replaced shark GMSH with cube for all tests with extension GMSH
- Reduced size of shark model used for tests with extension Ftetwild

PiperOrigin-RevId: 631776421
Change-Id: I66f6b4058b86338a10d06c39bc93bef1c6fbdab6
2024-05-08 06:15:18 -07:00
Alessio Quaglino 7eb8c4b9f4 Set all flex edges to rigid when the flex is rigid.
PiperOrigin-RevId: 629740153
Change-Id: Ib2fb6f64e3d160268d2521d63830f41e44d03b20
2024-05-01 09:06:01 -07:00
Mohammad Hamid 131b1745db Added support for GMSH22 surface loading
PiperOrigin-RevId: 629734063
Change-Id: I6a250b81de4e7c8f7520795bfe74a81d719dfb50
2024-05-01 08:44:05 -07:00
Google DeepMind 4f0293c6cb Added support for msh2.2
Now we can load flex with format 2.2 binary and ASCII.
There are two different parsing strategies. One for gmsh app and the other is for ftetwild.

Used the shark model from Scanned Objects by Google Research:
https://app.gazebosim.org/GoogleResearch/fuel/models/Weisshai_Great_White_Shark

PiperOrigin-RevId: 619229499
Change-Id: I6eb876afcbc8a00631914b093c45bde10c0caaf6
2024-03-26 10:12:13 -07:00
Yuval Tassa e143b3dbc0 Allow height-field elevation data to be specified in XML.
PiperOrigin-RevId: 602374498
Change-Id: I2d3364d68876a35799b24aca1051e2f5aebdda75
2024-01-29 06:59:28 -08:00
Alessio Quaglino 1e2e0b3053 Remove all visual-only assets if discardvisual is selected, not only the geoms.
PiperOrigin-RevId: 598598250
Change-Id: I12e60ce41ad436d037b4877d197decf6bdce0fc8
2024-01-15 06:39:25 -08:00
Alessio Quaglino d12fe594d9 Add suffix to duplicated assets.
PiperOrigin-RevId: 588775467
Change-Id: I3a0d2a14601cf018b0c8c56728bd3ae22adb8ec2
2023-12-07 06:46:51 -08:00
Yuval Tassa 493ae95d69 Add stack leak test to WriteReadCompare
PiperOrigin-RevId: 572953669
Change-Id: Id6cad3fc86777d68f218119f67c9dc473bdcfcc8
2023-10-12 10:53:24 -07:00
Alessio Quaglino 5a70ad08ab Add Flex component.
PiperOrigin-RevId: 572830650
Change-Id: I6908228087b7b9683be3506c8d9cdc725ed5dcd5
2023-10-12 10:49:35 +01:00
Alessio Quaglino dab49d487c Use mesh BVH for speeding up ray mesh intersection.
PiperOrigin-RevId: 532516008
Change-Id: Ia9cac060279d030221c1a6b4fad457a857701370
2023-05-16 11:10:38 -07:00
Alessio Quaglino 9d1a21f99d Use mesh BVH for speeding up ray mesh intersection.
PiperOrigin-RevId: 532464595
Change-Id: If159c89b93c24e6a7be6310911364cfad7baae81
2023-05-16 08:17:50 -07:00
Alessio Quaglino c943797591 Make shellinertia ignore exactmeshinertia, which is only used for legacy volume computations. Fixes #759.
PiperOrigin-RevId: 524884880
Change-Id: Ia5b64ee33802866f792cdad4acfec6d9baf2a9e9
2023-04-17 10:30:20 -07:00
Alessio Quaglino 9756ed0d80 Read normals and textures from OBJ, do not duplicate vertices.
PiperOrigin-RevId: 510461549
Change-Id: I19245d691e722a8371e61153383f275f599353d6
2023-02-17 10:15:25 -08:00
Alessio Quaglino 6ba4d6f0de Fix a bug that was causing a mismatch between the orientation of the mesh frame and the vertex coordinates.
PiperOrigin-RevId: 502624466
Change-Id: Ib28fd2a118b6572be98fadb078fa2262b21cbfc0
2023-01-17 10:31:50 -08:00
Yuval Tassa adf71cc6b4 Improve mesh-fitting image in changelog.
PiperOrigin-RevId: 500782543
Change-Id: Iecec45abd3cb1e5a06df58ae32ebe1998584024a
2023-01-09 12:40:10 -08:00
Alessio Quaglino 19b6c70e13 Use global coordinates for computing the frame position of a primitive geom fitted to a mesh.
PiperOrigin-RevId: 500720200
Change-Id: I0a564aff1fe6943002db14f46f789cfdaef4d2de
2023-01-09 08:29:27 -08:00
Kevin Zakka cce35e1816 Add assetdir compiler option.
PiperOrigin-RevId: 478117894
Change-Id: I4a93108e00558034aa02d22047da80adfa4232b2
2022-09-30 17:59:25 -07:00
Nimrod Gileadi f556d4d94f Avoid out-of-bounds access when checking file extensions.
Include the '.' in the file extension check.

PiperOrigin-RevId: 474866478
Change-Id: I809ae975e4c8b00f17278735975a7d07e0748643
2022-09-16 11:49:33 -07:00
Nimrod Gileadi a693a2d981 Don't infer limited attributes automatically by default.
This is an amendment to 4bfc2c0311.

Add an autolimits compiler option. When true, *limited will be inferred from the presence of the *range attributes.
When false, models where limited is not specified, and range is will fail to compile.

PiperOrigin-RevId: 472438650
Change-Id: I489098e879ee695030f44e0d8cd969787e75fb90
2022-09-06 06:11:53 -07:00
Kevin Zakka 4bfc2c0311 Automatically infer *limited field from *range field for joints, tendons and actuators.
PiperOrigin-RevId: 467980594
Change-Id: If635c55a90cf949796b99a41395a6c2c4f7ea094
2022-08-16 11:35:34 -07:00
Alessio Quaglino 95d5db3f81 Allow malformed meshes for visualization purposes. Throw error only if the mesh is required for inertia computation.
PiperOrigin-RevId: 466421062
Change-Id: I947dbc107e481bd8c328b1a6430ab2e88bc82fd6
2022-08-09 11:41:29 -07:00