dart-io

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DART model loading - URDF, SDF, MJCF, SKEL parsers and dart::io unified API

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NPX Install

npx skill4agent add dartsim/dart dart-io

Tags

Translated version includes tags in frontmatter
<!-- AUTO-GENERATED FILE - DO NOT EDIT MANUALLY --> <!-- Source: .claude/skills/dart-io/SKILL.md --> <!-- Sync script: scripts/sync_ai_commands.py --> <!-- Run `pixi run sync-ai-commands` to update -->

DART Model Loading (
dart::io
)

Load this skill when working with robot model files or parsers.

Quick Start

cpp
#include <dart/io/Read.hpp>

// Format auto-detection
auto world = dart::io::readWorld("dart://sample/skel/chain.skel");
auto skel = dart::io::readSkeleton("dart://sample/urdf/KR5/KR5 sixx R650.urdf");

Full Documentation

For complete I/O guide:
docs/onboarding/io-parsing.md
For module-specific details:
dart/io/AGENTS.md

Supported Formats

FormatExtensionUse Case
URDF
.urdf
ROS robots
SDF
.sdf
,
.world
Gazebo models
MJCF
.xml
MuJoCo models
SKEL
.skel
Legacy DART

Common Patterns

cpp
// URDF with package resolution
dart::io::ReadOptions options;
options.addPackageDirectory("my_robot", "/path/to/my_robot");
auto skel = dart::io::readSkeleton("package://my_robot/urdf/robot.urdf", options);

// Force specific format
options.format = dart::io::ModelFormat::Sdf;

Key Files

  • API:
    dart/io/Read.hpp
  • Tests:
    tests/unit/io/test_Read.cpp