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GIS projects 2009 Marc van Kreveld. Two phases Problem analysis (phase 1  report 1) –Literature study, reverse engineering –Statement of criteria –Dependency.

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Presentation on theme: "GIS projects 2009 Marc van Kreveld. Two phases Problem analysis (phase 1  report 1) –Literature study, reverse engineering –Statement of criteria –Dependency."— Presentation transcript:

1 GIS projects 2009 Marc van Kreveld

2 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

3 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 6 Meeting II: May 20 Presentations 1: May 28 Meeting III: June 4/5 Meeting IV (optional): June 17 Presentations 2: June 25

4 Evaluation Based on meetings: initiative, progress, ideas Based on two hand-ins (May 28 and July 5) Based on presentations

5 Topics 1.Flow maps 2.Label placement for islands 3.Time-space maps 4.Non-contiguous area cartograms 5.Road network generalization 6.City block generalization 7.Zoning, or political redistricting 8.Relative positions of regions 9.Touristy routes through nature 10.Valleys and ridges in mountain areas

6 Diagrams

7 1. Flow maps

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9 2. Label placement for islands

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11 Traffic density maps

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13 3. Time-space maps

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16 4. Non-contiguous area cartograms

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18 5. Road selection on networks

19 6. City block generalization

20 7. Zoning, or political redistricting

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22 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?

23 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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26 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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