MIXING, BLENDING, MERGING OR SCRAMBLING
TOPOGRAPHIC MAPS AND ORTHOIMAGERY
IN GEOVISUALIZATION ?
Charlotte Hoarau, Sidonie ...
CONTEXT AND OBJECTIVE OF MY PHD
4Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Aims of my PhD
Orthoimagery Topographic ...
5Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Aims of my PhD
How to combine them
to bu...
6Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representati...
7Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representati...
8Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representati...
9Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representati...
10Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representat...
11Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representat...
12Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-Between »visualizations
O...
13Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
14Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
15Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
16Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
17Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
18Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
19Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
20Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
...
PERSISTENT PROBLEMS IN CURRENT VISUALIZATIONS
22Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Layer overlaid
Map design issue : Orth...
23Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Side-by-side co-visualizations
Swipe
Sy...
24Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Layer transparency [Hoarau, AutoCarto 2...
25Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Toponym representation
© Géoportail, IG...
DESIGNING IN-BETWEEN REPRESENTATIONS
27Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Map design issues
28Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Map design issues
How to portray vector...
CAMOUFLAGE METHOD
Making maps more realistic
30Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
Using landscape ...
31Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
Extracting color...
32Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
33Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
34Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
35Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
PATCHWORK METHOD
Keeping the best of each visualization
37Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Patchwork » method
Keeping the best ...
38Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Patchwork » method
Keeping the best ...
39Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Patchwork » method
Keeping the best ...
40Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Patchwork » method
41Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Camouflage by swiping
ADAPTIVE SYMBOLIZATION
Orthoimagery as a specific background layer
43Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Adaptive symbolization
Different visua...
44Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Local adaptive symbolization
Wide vari...
45Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Local adaptive symbolization
Wide vari...
47Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
In-Between Steps
48Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Conclusion & Further Works
 Combining ...
« In-between » cartographic representations from the abstraction of
topographic maps to the realism of orthoimagery
Charlo...
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ICC 2013 : Mixing, blending, merging or scrambling topographic maps and orthoimagery in geovisualization ?

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Topographic maps, orthoimagery, vector thematic data convey various views of the real world. Geovisualization tools and geoportals widely provide these heterogeneous data to users. They bring users to co-visualize them in order to make suitable visualizations adapted to a task, a purpose or an application. Nevertheless, existing tools do not help to make satisfactory, elaborated and efficient visualizations. This paper presents a part of a PhD work in progress: conceptual and technical issues about proposing raster and vector co-visualization methods are detailed. The authors aim at proposing tools to explore a continuum of possible visualizations, between the photorealism of an orthoimage and the abstraction of a topographic map. Three methods to reach this objective are presented and discussed: patchwork between a map and an ortho-image, adaptive symbolization when overlaying data and fluid camouflage of a map in an ortho-image.

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ICC 2013 : Mixing, blending, merging or scrambling topographic maps and orthoimagery in geovisualization ?

  1. 1. MIXING, BLENDING, MERGING OR SCRAMBLING TOPOGRAPHIC MAPS AND ORTHOIMAGERY IN GEOVISUALIZATION ? Charlotte Hoarau, Sidonie Christophe, Sébastien Mustière International Cartographic Conference (ICC) - Tuesday, August 27th 2013
  2. 2. CONTEXT AND OBJECTIVE OF MY PHD
  3. 3. 4Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Aims of my PhD Orthoimagery Topographic map
  4. 4. 5Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Aims of my PhD How to combine them to build in-between visualizations ? Orthoimagery Topographic map
  5. 5. 6Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  6. 6. 7Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  7. 7. 8Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  8. 8. 9Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  9. 9. 10Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  10. 10. 11Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  11. 11. 12Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-Between »visualizations Orthoimagery Topographic map
  12. 12. 13Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
  13. 13. 14Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  14. 14. 15Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  15. 15. 16Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  16. 16. 17Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  17. 17. 18Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  18. 18. 19Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  19. 19. 20Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map How to provide the more useful information to the user?
  20. 20. PERSISTENT PROBLEMS IN CURRENT VISUALIZATIONS
  21. 21. 22Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Layer overlaid Map design issue : Orthoimagery is dark and visually complex Difficulty to symbolize vector layers in consistency with different backgrounds
  22. 22. 23Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Side-by-side co-visualizations Swipe Synchronized visualization Magnifier
  23. 23. 24Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Layer transparency [Hoarau, AutoCarto 2012] No consensus in designing mixed visualizations by transparency Using transparency leads to data scrambling
  24. 24. 25Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Toponym representation © Géoportail, IGN France © Bing maps, Microsoft © Google maps [Hoarau & Escrihuela 2013]
  25. 25. DESIGNING IN-BETWEEN REPRESENTATIONS
  26. 26. 27Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Map design issues
  27. 27. 28Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Map design issues How to portray vector data overlaid to an imagery background ?
  28. 28. CAMOUFLAGE METHOD Making maps more realistic
  29. 29. 30Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method Using landscape colors to make maps more realistic [Christophe, Perret, Hoarau 2013] [Patterson 2010]
  30. 30. 31Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method Extracting colors from the orthoimagery Re-injecting them in the map specification
  31. 31. 32Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  32. 32. 33Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  33. 33. 34Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  34. 34. 35Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  35. 35. PATCHWORK METHOD Keeping the best of each visualization
  36. 36. 37Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Patchwork » method Keeping the best parts of each initial visualizations Master Student [J. Gautier, 2012]
  37. 37. 38Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Patchwork » method Keeping the best parts of each initial visualizations Master Student [J. Gautier, 2012]
  38. 38. 39Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Patchwork » method Keeping the best parts of each initial visualizations Master Student [J. Gautier, 2012]
  39. 39. 40Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Patchwork » method
  40. 40. 41Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Camouflage by swiping
  41. 41. ADAPTIVE SYMBOLIZATION Orthoimagery as a specific background layer
  42. 42. 43Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Adaptive symbolization Different visual impact of background layers  « Inversion » of conventional colors
  43. 43. 44Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Local adaptive symbolization Wide variety of colors in an orthoimagery background  Local adaptation of the color of the roads
  44. 44. 45Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Local adaptive symbolization Wide variety of colors in an orthoimagery background  Smart halo around the roads
  45. 45. 47Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 In-Between Steps
  46. 46. 48Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Conclusion & Further Works  Combining topographic maps and orthoimagery  is a great opportunity…  and a big challenge !  And Now ? Combine methods together in an automated geovisualization platform  Usability tests of resulting co-visualizations
  47. 47. « In-between » cartographic representations from the abstraction of topographic maps to the realism of orthoimagery Charlotte Hoarau @CartHoarau This work is granted by the French National Research Agency, within the project, with the reference ANR-12-CORD-0025.
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