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Amazoncom annual dynamics of daylight variability and contrast a simulation based approach to quantifying visual effects in architecture springerbriefs in computer science 9781447152323 rockcastle siobhan andersen marilyne books. Introduction daylight is a dynamic source of illumination in architectural space creating diverse and ephemeral configurations of light and shadow within the built environment perceptual qualities of daylight such as contrast and temporal variability are essential to our understanding of both material and visual effects in architecture. Annual dynamics of daylight variability and contrast a simulation based approach to quantifying visual effects in architecture springerbriefs in computer science 2013th edition kindle edition by. Annual dynamics of daylight variability and contrast a simulation based approach to quantifying visual effects in architecture authors this research proposes a new family of metrics that quantify the magnitude of contrast based visual effects and time based variation within daylit space through the use of time segmented daylight renderings . Daylight is a dynamic source of illumination in architectural space creating diverse and ephemeral configurations of light and shadow within the built environment it can generate contrasting levels of brightness between distinct geometries or it can highlight smooth gradients of texture and colour within the visual field perceptual qualities of daylight such as contrast and temporal