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Avoiding cracks between terrain segments in a visual terrain database
Linköping University, Department of Science and Technology.
2004 (English)Independent thesis Basic level (professional degree)Student thesis
Abstract [en]

To be able to run a flight simulator a large area of terrain needs to be visualized. The simulator must update the screen in real-time to make the simulation work well. One way of managing large terrains is to tile the area into quadratic tiles to be able to work with different detailed representations of the terrain at different distances from the user. The tiles need to match with the adjacent tiles in the edge points to avoid cracks. When every tile can have a number of different levels of detail this means that the different levels of detail need to match too. This was previously done by having the same edge points in all levels of detail, giving an unnicessarily large polygon count in the less detailed levels. the method developed in this report uses different versions of borders with their own level of detail, adapting to different detail levels at the adjacent tile, reducing hte number of polygons.

Place, publisher, year, edition, pages
Institutionen för teknik och naturvetenskap , 2004.
Keyword [en]
Datorteknik, terrain generation, landscape generation, level of detail, tile, patch, virtual world, simulator, VR, visualization
Keyword [sv]
Datorteknik
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:liu:diva-2828ISRN: LITH-ITN-MT-EX--04/072--SEOAI: oai:DiVA.org:liu-2828DiVA: diva2:20171
Uppsok
teknik
Available from: 2005-03-17 Created: 2005-03-17

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf