Based on this, an interaction-centred analysis of computer animation culminates in the concept of direct animation interfaces and guidelines for their design. The foundation of the procedure is a conceptual framework in the form of a comprehensive discussion of the state of the art, a design space of interfaces for time-based visual media, and a taxonomy for mappings between user and medium space-time. The practical consequences for the development of motion creation and editing tools must be demonstrated with prototypes that are more direct, efficient, easy-to-learn, and flexible to use. The insights this brings for designing next generation animation tools must be examined and formalised. Computer animation methods and interfaces must be embedded in an interaction context. Three goals are formulated to illustrate the validity of this thesis. The hypothesis of this work is that an interaction approach to computer animation can inform the design and development of novel animation techniques. The reverse trend in human-computer interaction to make interfaces more direct, intuitive, and natural to use has so far hardly touched the animation world: decades of interaction research have scarcely been linked to research and development of animation techniques. This is largely due to the methods employed: in keyframe animation dynamics are indirectly specified over abstract descriptions, while performance animation suffers from inflexibility due to a high technological overhead. Yet computer animation, the art of instilling life into believable characters and fantastic worlds, is still a highly sophisticated process restricted to the spheres of expert users. The sensor design could be useful for robotic and other applications, such as fruit picking or as a bio-instrument for the diabetic insole.Ĭreativity tools for digital media have been largely democratised, offering a range from beginner to expert tools. This DE multimodal capacitive sensor, with pressure and localization capability, paves the way for further development with potential applications in bio-mechatronics technology and other humanoid devices. The sensor is placed on a passive elastomeric substrate in order to increase deformation and optimize the sensor’s sensitivity. The top layer measures the applied pressure, while the underlying sensor array enables location identification. This multimodal sensor is a soft, flexible, and stretchable dielectric elastomer (DE) capacitive pressure mat that is composed of a multi-layer soft and stretchy DE sensor. A unique dielectric elastomer-based multimodal capacitive sensor has been developed to quantify the pressure and the location of any touch simultaneously. A brief description of most of the common technologies to realize (multi-) touch surfaces is provided however, the main focus is on those that utilise optical approaches.ĭielectric elastomer (DE) sensors have been widely used in a wide variety of applications, such as in robotic hands, wearable sensors, rehabilitation devices, etc. In addition, we discuss the problem of latency introduced by the dierent parts of the system. Libavg video stream how to#In addition, we out- line how to integrate this hardware to allow users to create a solid multi-touch surface, and provide an overview of exist- ing software libraries for the implementation of multi-touch applications. We mostly focus on technical aspects that are important in the construction of optical multi-touch surfaces, including: infrared illumination, silicone compliant surfaces, projection screens, cameras, lters, and projectors. This document aims to summarize the knowledge and ex- perience of developers of multi-touch technology who gath- ered at the Bootcamp on Construction
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