made hardware interface optional in both transmission actuator and joint

ros / urdfdom

URDF parser

http://ros.org/wiki/urdf

Other

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made hardware interface optional in both transmission actuator and joint #63

Closed VahidAminZ closed 9 years ago

VahidAminZ commented 9 years ago

The current urdf.py gives an unnecessary error when parsing latest URDF format transmission (http://wiki.ros.org/urdf/XML/Transmission). New format requires that hardwareInterface is defined in transmission joints. This pull makes hardwareInterface optional in both joint and actuator which stop unwanted errors.

VahidAminZ commented 9 years ago

@isucan Are you going to do a release any time soon? we do need these changes.