CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

PDF papers
authors Mase, Jitsuro
year 2000
title Moderato: 3D Sketch CAD with Quick Positioned Working Plane and Texture Modelling
source Promise and Reality: State of the Art versus State of Practice in Computing for the Design and Planning Process [18th eCAADe Conference Proceedings / ISBN 0-9523687-6-5] Weimar (Germany) 22-24 June 2000, pp. 269-272
summary The lack of computer systems that can be easily used during the early stages of the architectural design process has been discussed for many years. The usual argument starts with the recognition that hand drawn sketches are an important tool in the early stage of both professional and student design because they can be used to visualise the designer’s ideas quickly and have the flexibility to handle any shape the designer imagines. Research has then mostly focused on using computer based sketch recognition to directly produce three dimensional models from hand drawn sketches. However sketch recognition still has certain problems that require the drawing action of users to be constrained in some way in order to be solved. If sketch recognition is still imperfect, the possibility of directly sketching within digital 3D space should be considered. Some systems allowing user to sketch in digital 3D space have been developed which do not depend on sketch recognition. Although Piranesi does not aim to support sketch design, it does allow the user to paint in the Z-buffer space - an unique idea termed "interactive rendering." SketchVRML tries to generate 3D geometrical data automatically from 2D hand drawn sketches by adding the depth value to the drawn lines according to the strength of line strokes. SketchBoX provides translucent surfaces in digital 3D space which can be glued onto existing objects or arranged anywhere in space. These surfaces have texture map data which can be modified by painting onto the texture. Transparent textures can be painted onto the surfaces to create see-through portions. Moderato also uses this technique to model a polygonÕs shape.
keywords Sketch, Early Stage, Interface, 3D Modelling
series eCAADe
full text file.pdf (201,509 bytes)
references Content-type: text/plain
Details Citation Select
100%; open Jozen, T., Wang, L. and Sasada, T. (1999) Find in CUMINCAD Sketch VRML - 3D Modelling of Conception , eCAADe17 Architectural Computing from Turning to 2000, pp. 557-563

100%; open Richens, P. (1999) Find in CUMINCAD The Piranesi system for interactive rendering , Proceedings of the CAADfutures ‘99 Conference, pp. 381-398

100%; open Schofield, S. and Richens, P. (1995) Find in CUMINCAD The Piranesi System , The Martin Centre, Cambridge England

100%; open Schofield, S. (1994) Find in CUMINCAD Non Photorealistic Rendering: A Critical Examination and Proposed System , Doctoral Dissertation, Middlesex University

100%; open Stellingwerff, M. (1999) Find in CUMINCAD SketchBoX , eCAADe17 Architectural Computing from Turning to 2000, pp. 491-497

100%; open Woo, M., Neider, J. and Davis, T. (1997) Find in CUMINCAD OpenGL Architecture Review Board, 1997, OpenGL Programming Guide , Second Edition, Addison Wesley, p. 219

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