As a founding employee at Pixar Animation Studios in the 1980s, Hanrahan was part of the design of the RenderMan Interface Specification and the RenderMan Shading Language.
interface | Graphical user interface | graphical user interface | User interface | Application programming interface | User interface design | user interface | Common Gateway Interface | application programming interface | Serial Peripheral Interface Bus | PhotoRealistic RenderMan | Graphics Device Interface | Application Programming Interface | Web Server Gateway Interface | Intelligent Platform Management Interface | Command-line interface | command-line interface | Basic Rate Interface | Analog Display Services Interface | XML User Interface | Wiegand interface | WAN Interface Card | user interface design | Tiny Internet Interface | System V Interface Definition | Synchronous Serial Interface | Repository Open Service Interface Definition | RenderMan Interface Specification | RenderMan | Publicly Available Specification |
PhotoRealistic RenderMan (PRMan), a RenderMan Interface Specification-compliant rendering software system developed by Pixar based on their own interface specification