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      Editing heightfield using history management and 3D widgets

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      Author
      Yalçın, M. Aydın
      Çapin, Tolga K.
      Date
      2009-09
      Source Title
      24th International Symposium on Computer and Information Sciences, ISCIS 2009
      Publisher
      IEEE
      Pages
      442 - 447
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
      130
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      Abstract
      In virtual environments, terrain is generally modeled by heightfield, a 2D structure. To be able to create desired terrain geometry, software editors for this specific task have been developed. The graphics hardware, data structures and rendering techniques are developing fast to open up new possibilities to the user and terrain editor functionalities are following such improvements (such as real-time lighting updates during editing operations and multi-texture blending). Yet, current terrain editors mostly fail to give the user feedback about their actions and also fail to help the users understand and undo the editing operations on the terrain. The aim of this study is to investigate the 3d-widget based visualization of possible editing (sculpturing) actions on terrain and to help user undo previous operations. © 2009 IEEE.
      Keywords
      Graphics editors
      Interaction techniques
      Synchronous interaction
      Terrain editing
      2D structures
      3-D Widgets
      Editing operations
      Graphics hardware
      Multi-texture
      Specific tasks
      Synchronous interactions
      Terrain geometry
      User feedback
      Virtual environments
      Blending
      Data structures
      Information science
      Three dimensional
      Virtual reality
      Landforms
      Permalink
      http://hdl.handle.net/11693/28627
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/ISCIS.2009.5291853
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      • Department of Computer Engineering 1368
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