Research Article

Real-Time NURBS Interpolation under Multiple Constraints

Table 5

Segments information of the butterfly curve.

NumberU_startU_endV_startV_endRequired_arc lengthActure_arclengthComplete S curve profile

Segment10.0010.01690.0604430.07103538.3077396.10257NO
Segment20.01690.1515020.0710350.13642331.20874450.677979YES
Segment30.1515020.2379030.1364230.12299226.42800333.198769YES
Segment40.2379030.2563030.1229920.00945735.0540087.142123NO
Segment50.2563030.27530.0094570.14200632.6297767.737445NO
Segment60.27530.3067960.1420060.10441427.69815313.756968NO
Segment70.3067960.3362920.1044140.03619536.5968788.730752NO
Segment80.3362920.355290.0361950.0350141.088129.29499NO
Segment90.355290.3681880.035010.11308635.7333794.824294NO
Segment100.3681880.4497770.1130860.01461336.13747831.123468NO
Segment110.4497770.4999710.0146130.09111938.2705518.485075NO
Segment120.4999710.5501790.0911190.01462938.27039718.501719NO
Segment130.5501790.6317920.0146290.11300636.14599631.115427NO
Segment140.6317920.6446950.1130060.03502135.7417184.826924NO
Segment150.6446950.6636980.0350210.03619641.0877659.303009NO
Segment160.6636980.6931030.0361960.10446836.5914998.716472NO
Segment170.6931030.7246080.1044680.14176627.72569313.74367NO
Segment180.7246080.7436110.1417660.00951732.6623887.756817NO
Segment190.7436110.7622140.0095170.12523734.7863857.203535NO
Segment200.7622140.8484280.1252370.13590526.22852533.126568YES
Segment210.8484280.9831510.1359050.07105731.27517550.711964YES
Segment220.9831511.00.071057039.8307346.435459NO