RSI-PI/examples/advanced_motion/02_geometric_primitives.py

227 lines
7.6 KiB
Python

"""
Geometric Motion Primitives Example
Demonstrates arc, circle, and spiral trajectory generation for
complex motion patterns.
Usage:
python 02_geometric_primitives.py --config RSI_EthernetConfig.xml
"""
import argparse
import logging
from RSIPI import RSIAPI
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(levelname)s - %(message)s'
)
def geometric_primitives_example(config_file: str) -> None:
"""
Demonstrate geometric motion primitives.
Args:
config_file: Path to RSI configuration XML file
"""
api = RSIAPI(config_file)
try:
logging.info("Starting RSI communication...")
api.start()
logging.info("✅ RSI started successfully")
center = {"X": 100, "Y": 0, "Z": 500}
# ==================================================
# Example 1: Circular Arc
# ==================================================
logging.info("\n" + "=" * 60)
logging.info("Example 1: Circular Arc (90 degrees)")
logging.info("=" * 60)
arc = api.motion.generate_arc(
center=center,
radius=50.0, # mm
start_angle=0, # degrees
end_angle=90, # degrees
steps=50,
plane='XY'
)
logging.info(f"Generated arc with {len(arc)} waypoints")
logging.info(f"Start point: {arc[0]}")
logging.info(f"End point: {arc[-1]}")
logging.info("Executing arc motion...")
api.motion.execute_trajectory(arc, space='cartesian', rate=0.02)
logging.info("✅ Arc complete")
# ==================================================
# Example 2: Full Circle
# ==================================================
logging.info("\n" + "=" * 60)
logging.info("Example 2: Full Circle (360 degrees)")
logging.info("=" * 60)
circle = api.motion.generate_circle(
center=center,
radius=30.0, # mm
steps=100,
plane='XY'
)
logging.info(f"Generated circle with {len(circle)} waypoints")
logging.info(f"Radius: 30.0 mm")
logging.info(f"Circumference: ~{2 * 3.14159 * 30.0:.2f} mm")
logging.info("Executing circular motion...")
api.motion.execute_trajectory(circle, space='cartesian', rate=0.02)
logging.info("✅ Circle complete")
# ==================================================
# Example 3: Expanding Spiral (Drilling Pattern)
# ==================================================
logging.info("\n" + "=" * 60)
logging.info("Example 3: Expanding Spiral (Drilling Pattern)")
logging.info("=" * 60)
spiral_expand = api.motion.generate_spiral(
center={"X": 100, "Y": 0, "Z": 500},
start_radius=5.0, # Start at 5mm
end_radius=40.0, # End at 40mm
pitch=10.0, # Descend 10mm per revolution
revolutions=3.0, # 3 complete turns
steps=150,
plane='XY',
axis='Z'
)
logging.info(f"Generated expanding spiral:")
logging.info(f" Waypoints: {len(spiral_expand)}")
logging.info(f" Start radius: 5.0 mm")
logging.info(f" End radius: 40.0 mm")
logging.info(f" Pitch: 10.0 mm/rev (descending)")
logging.info(f" Revolutions: 3.0")
logging.info(f" Total Z travel: 30.0 mm")
logging.info("Executing expanding spiral...")
api.motion.execute_trajectory(spiral_expand, space='cartesian', rate=0.02)
logging.info("✅ Expanding spiral complete")
# ==================================================
# Example 4: Contracting Spiral (Retraction Pattern)
# ==================================================
logging.info("\n" + "=" * 60)
logging.info("Example 4: Contracting Spiral (Retraction Pattern)")
logging.info("=" * 60)
spiral_contract = api.motion.generate_spiral(
center={"X": 100, "Y": 0, "Z": 470}, # Start at bottom
start_radius=40.0, # Start wide
end_radius=5.0, # End narrow
pitch=-10.0, # Ascend 10mm per revolution (negative pitch)
revolutions=3.0,
steps=150,
plane='XY',
axis='Z'
)
logging.info(f"Generated contracting spiral:")
logging.info(f" Waypoints: {len(spiral_contract)}")
logging.info(f" Start radius: 40.0 mm")
logging.info(f" End radius: 5.0 mm")
logging.info(f" Pitch: -10.0 mm/rev (ascending)")
logging.info(f" Revolutions: 3.0")
logging.info(f" Total Z travel: -30.0 mm (upward)")
logging.info("Executing contracting spiral...")
api.motion.execute_trajectory(spiral_contract, space='cartesian', rate=0.02)
logging.info("✅ Contracting spiral complete")
# ==================================================
# Example 5: Different Planes
# ==================================================
logging.info("\n" + "=" * 60)
logging.info("Example 5: Circles in Different Planes")
logging.info("=" * 60)
# Circle in XZ plane (vertical)
circle_xz = api.motion.generate_circle(
center={"X": 100, "Y": 0, "Z": 500},
radius=25.0,
steps=80,
plane='XZ'
)
logging.info("Circle in XZ plane (vertical):")
logging.info(f" Waypoints: {len(circle_xz)}")
logging.info(f" Plane: XZ (vertical circle)")
logging.info("Executing XZ circle...")
api.motion.execute_trajectory(circle_xz, space='cartesian', rate=0.02)
logging.info("✅ XZ circle complete")
# ==================================================
# Application Examples
# ==================================================
logging.info("\n" + "=" * 60)
logging.info("Application Examples")
logging.info("=" * 60)
logging.info("\nDrilling/Milling Applications:")
logging.info(" - Expanding spiral: Drill out large holes, pocket milling")
logging.info(" - Contracting spiral: Retracting from deep holes")
logging.info(" - Circular: Bore existing holes, circular pockets")
logging.info("\nAssembly Applications:")
logging.info(" - Circular: Screw driving, peg insertion with clearance")
logging.info(" - Arc: Curved insertion paths, avoiding obstacles")
logging.info("\nInspection Applications:")
logging.info(" - Circle: Scanning circular features")
logging.info(" - Spiral: Scanning large areas with overlap")
except KeyboardInterrupt:
logging.warning("\n⚠️ Interrupted by user")
except Exception as e:
logging.error(f"❌ Error during geometric primitives: {e}")
finally:
logging.info("Stopping RSI communication...")
api.stop()
logging.info("✅ API stopped successfully")
def main():
"""Main entry point."""
parser = argparse.ArgumentParser(description='Geometric Primitives Example')
parser.add_argument(
'--config',
type=str,
default='RSI_EthernetConfig.xml',
help='Path to RSI configuration file'
)
args = parser.parse_args()
logging.info("=" * 60)
logging.info("RSIPI - Geometric Motion Primitives Example")
logging.info("=" * 60)
logging.info(f"Config: {args.config}")
logging.info("=" * 60)
geometric_primitives_example(args.config)
logging.info("=" * 60)
logging.info("Example complete!")
logging.info("=" * 60)
if __name__ == '__main__':
from multiprocessing import freeze_support
freeze_support()
main()