Siobhan Rockcastle's Annual Dynamics of Daylight Variability and Contrast: A PDF

By Siobhan Rockcastle

ISBN-10: 1447152328

ISBN-13: 9781447152323

ISBN-10: 1447152336

ISBN-13: 9781447152330

Daylight is a dynamic resource of illumination in architectural house, developing varied and ephemeral configurations of sunshine and shadow in the equipped atmosphere. Perceptual traits of sunlight, resembling distinction and temporal variability, are necessary to our knowing of either fabric and visible results in structure. even supposing spatial distinction and light-weight variability are basic to the visible adventure of structure, architects nonetheless depend totally on instinct to guage their designs simply because there are few metrics that handle those components. via an research of latest structure, this paintings develops a brand new typological language that categorizes architectural area by way of distinction and temporal edition. This learn proposes a brand new relatives of metrics that quantify the value of contrast-based visible results and time-based version inside of daylit area by utilizing time-segmented sunlight renderings to supply a extra holistic research of sunlight performance.

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Extra info for Annual Dynamics of Daylight Variability and Contrast: A Simulation-Based Approach to Quantifying Visual Effects in Architecture

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2 The Full Matrix Using the first two matrices as grounds for discussion and refinement, we created the third and final matrix of existing architectural spaces. The matrix contains seventy-five examples and spans fifteen categories, creating a more articulated gradient of contrast-driven effects (Fig. 9). An increase in the overall number of examples allows for more accurate differentiation between columns, although there are an uneven number of examples in each category as some typologies are more common than others.

The specific method for producing renderings across those 56 annual moments will be introduced in Sect. 2. The basic process for calculating annual spatial contrast is shown in Fig. 10, which contains two pixelated RGB maps (one taken from a rendering at 10 am and the other at 10:30 am) with overlaid local contrast values in red. The sum of these values is added between each frame, representing a cumulative contrast sum across all 56 images. com, 2007) (method of production described in Sect. 2) for a hypothetical space located in Boston, MA.

2011). com/products/matlab/. Chapter 5 Application of New Metrics to Abstract Spatial Models Á Á Á Keywords Spatial contrast Annual spatial contrast Annual luminance variability Case study analysis Daylight design Daylight simulation Á Á In this Chapter, we will apply each metric introduced in Chap. 4 to a series of rendered case study spaces to test their success in quantifying and comparing spatial contrast, annual spatial contrast, and annual luminance variability. Although a total of fifteen categories were established in the typological matrix introduced in Chap.

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Annual Dynamics of Daylight Variability and Contrast: A Simulation-Based Approach to Quantifying Visual Effects in Architecture by Siobhan Rockcastle


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