gis projects 2009 marc van kreveld. two phases problem analysis (phase 1 report 1) –literature...
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![Page 1: GIS projects 2009 Marc van Kreveld. Two phases Problem analysis (phase 1 report 1) –Literature study, reverse engineering –Statement of criteria –Dependency](https://reader035.vdocument.in/reader035/viewer/2022062808/56649d785503460f94a5b4ab/html5/thumbnails/1.jpg)
GIS projects 2009
Marc van Kreveld
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Two phases
• Problem analysis (phase 1 report 1)– Literature study, reverse engineering– Statement of criteria– Dependency of criteria– Quantification of the criteria
• Algorithm design (phase 2 report 2)– Specification of input and output– Algorithmic problem statement– Algorithm development– Efficiency analysis
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Three meetings
• Prepare the meetings; think about it extensively first
• Take the notes and figures of the ideas you had until the meeting
Meeting I: May 6Meeting II: May 20Presentations 1: May 28
Meeting III: June 4/5Meeting IV (optional): June 17Presentations 2: June 25
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Evaluation
• Based on meetings: initiative, progress, ideas
• Based on two hand-ins(May 28 and July 5)
• Based on presentations
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Topics1. Flow maps2. Label placement for islands3. Time-space maps4. Non-contiguous area cartograms5. Road network generalization6. City block generalization7. Zoning, or political redistricting8. Relative positions of regions9. Touristy routes through nature10.Valleys and ridges in mountain areas
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1. Flow maps
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2. Label placement for islands
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3. Time-space maps
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4. Non-contiguous area cartograms
![Page 14: GIS projects 2009 Marc van Kreveld. Two phases Problem analysis (phase 1 report 1) –Literature study, reverse engineering –Statement of criteria –Dependency](https://reader035.vdocument.in/reader035/viewer/2022062808/56649d785503460f94a5b4ab/html5/thumbnails/14.jpg)
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5. Road selection on networks
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6. City block generalization
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7. Zoning, or political redistricting
![Page 18: GIS projects 2009 Marc van Kreveld. Two phases Problem analysis (phase 1 report 1) –Literature study, reverse engineering –Statement of criteria –Dependency](https://reader035.vdocument.in/reader035/viewer/2022062808/56649d785503460f94a5b4ab/html5/thumbnails/18.jpg)
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8. Relative positions of regions
Is Norway closer to Sweden than to Finland?
Should Austria be called South of Germany, East of Germany, or both?
Degree of closeness, south-ness?
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9. Touristical routes through nature
• Assume: new national park needs road across– Passes by small natural sights– Has good views of large natural sights– Connects two or three points on boundary of
park reasonably
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10. Valleys and ridges
• Linear features in mountain landscapes: ridges high and valleys low
• Some valleys are more prominent than others (same for ridges)
• Only prominent ones would be shown on small-scale maps
• How to define and compute prominence?
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