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Layer 1 (top): Learning Libraries
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<text x="400" y="34" text-anchor="middle" class="lbl" font-size="13" fill="#1b5e20">Learning Libraries</text>
<text x="400" y="54" text-anchor="middle" class="body" font-size="11.5" fill="#33691e">RSL-RL · skrl · Stable Baselines 3 · RL Games</text>
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Layer 2: Isaac Lab Extensions
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<text x="400" y="105" text-anchor="middle" class="lbl" font-size="13" fill="#880e4f">Isaac Lab Extensions</text>
<text x="88" y="126" text-anchor="middle" class="lbl" font-size="10.5" fill="#ad1457">isaaclab_tasks</text>
<text x="88" y="141" text-anchor="middle" class="body" font-size="9.5" fill="#880e4f">pre-built environments</text>
<text x="230" y="126" text-anchor="middle" class="lbl" font-size="10.5" fill="#ad1457">isaaclab_assets</text>
<text x="230" y="141" text-anchor="middle" class="body" font-size="9.5" fill="#880e4f">robot & sensor configs</text>
<text x="370" y="126" text-anchor="middle" class="lbl" font-size="10.5" fill="#ad1457">isaaclab_rl</text>
<text x="370" y="141" text-anchor="middle" class="body" font-size="9.5" fill="#880e4f">RL library wrappers</text>
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<text x="510" y="141" text-anchor="middle" class="body" font-size="9.5" fill="#880e4f">imitation learning</text>
<text x="650" y="126" text-anchor="middle" class="lbl" font-size="10.5" fill="#ad1457">isaaclab_teleop</text>
<text x="650" y="141" text-anchor="middle" class="body" font-size="9.5" fill="#880e4f">teleoperation & XR</text>
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Layer 3: Isaac Lab Core
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<text x="400" y="200" text-anchor="middle" class="lbl" font-size="14" fill="#ffffff">Isaac Lab Core (isaaclab)</text>
<text x="400" y="221" text-anchor="middle" class="body" font-size="11" fill="#f0ffd0">sim · scene · assets · sensors · envs · managers · actuators</text>
<text x="400" y="239" text-anchor="middle" class="body" font-size="11" fill="#f0ffd0">controllers · terrains · devices · mdp · utils · markers · renderers</text>
<text x="400" y="258" text-anchor="middle" class="body" font-size="10.5" fill="#dcedc8">ManagerBasedRLEnv · DirectRLEnv · DirectMARLEnv · InteractiveScene</text>
<text x="400" y="272" text-anchor="middle" class="body" font-size="9.5" fill="#c5e1a5">factory pattern: uniform API dispatches to the active physics backend at runtime</text>
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Layer 4: Backend packages (two columns)
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<!-- PhysX and Omniverse packages (left) -->
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<text x="204" y="310" text-anchor="middle" class="lbl" font-size="12" fill="#e65100">isaaclab_physx · isaaclab_ovphysx · isaaclab_ov</text>
<text x="204" y="329" text-anchor="middle" class="body" font-size="10.5" fill="#bf360c">Articulation · Rigid Body · Rigid Object Collection · Deformable</text>
<text x="204" y="347" text-anchor="middle" class="body" font-size="10.5" fill="#bf360c">Fabric Views · Camera · USD spawners</text>
<text x="204" y="365" text-anchor="middle" class="body" font-size="10.5" fill="#bf360c">Isaac RTX Renderer · OvRTX Renderer</text>
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<text x="596" y="329" text-anchor="middle" class="body" font-size="10.5" fill="#1565c0">Articulation · Rigid Body · Rigid Object Collection</text>
<text x="596" y="347" text-anchor="middle" class="body" font-size="10.5" fill="#1565c0">Camera · USD spawners · Warp Renderer</text>
<text x="596" y="365" text-anchor="middle" class="body" font-size="10.5" fill="#1565c0">MJWarp Solver · VBD Solver</text>
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Layer 5: External simulation dependencies (two columns)
Left = Isaac Sim (optional) Right = Newton / Warp
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<!-- Isaac Sim (optional) -->
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<text x="204" y="438" text-anchor="middle" class="body" font-size="10.5" fill="#d84315">PhysX · RTX Rendering · USD / Omniverse</text>
<text x="204" y="456" text-anchor="middle" class="body" font-size="10.5" fill="#d84315">ROS / ROS 2 · URDF & MJCF importers</text>
<text x="204" y="472" text-anchor="middle" class="body" font-size="9.5" fill="#bf360c">required for Isaac Sim features</text>
<!-- Newton / Warp (kit-less) -->
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<text x="596" y="438" text-anchor="middle" class="body" font-size="10.5" fill="#0288d1">GPU-parallel simulation · Warp kernels</text>
<text x="596" y="456" text-anchor="middle" class="body" font-size="10.5" fill="#0288d1">MJWarp (MuJoCo-Warp) solver</text>
<text x="596" y="472" text-anchor="middle" class="body" font-size="9.5" fill="#01579b">kit-less · no Isaac Sim required</text>
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Layer 6 (bottom): Universal foundation
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<text x="400" y="535" text-anchor="middle" class="body" font-size="11" fill="#90a4ae">CUDA · Warp (required by all backends)</text>
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