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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
CONTEXT AND OBJECTIVE OF MY PHD
4Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Aims of my PhD
Orthoimagery Topographic map
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
6Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representations
build with the French Geoportail
7Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representations
build with the French Geoportail
8Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representations
build with the French Geoportail
9Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representations
build with the French Geoportail
10Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representations
build with the French Geoportail
11Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Continuum of « In-between » representations
build with the French Geoportail
12Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-Between »visualizations
Orthoimagery Topographic map
13Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
14Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
Orthoimagery
Topographic
Map
15Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
Orthoimagery
Topographic
Map
16Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
Orthoimagery
Topographic
Map
17Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
Orthoimagery
Topographic
Map
18Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
Orthoimagery
Topographic
Map
19Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Browsing « In-between » representation
Orthoimagery
Topographic
Map
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?
PERSISTENT PROBLEMS IN CURRENT VISUALIZATIONS
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
23Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Side-by-side co-visualizations
Swipe
Synchronized
visualization
Magnifier
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
25Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
Toponym representation
© Géoportail, IGN France © Bing maps, Microsoft © Google maps
[Hoarau & Escrihuela 2013]
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 data
overlaid to an imagery background ?
CAMOUFLAGE METHOD
Making maps more realistic
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]
31Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
« Camouflage » method
Extracting colors from the orthoimagery
Re-injecting them in the map specification
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 parts of each initial visualizations
Master Student
[J. Gautier, 2012]
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]
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]
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 visual impact of background layers
 « Inversion » of conventional colors
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
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
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 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
« 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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ICC 2013 : Mixing, blending, merging or scrambling topographic maps and orthoimagery in geovisualization ?

  • 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
  • 3. 4Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Aims of my PhD Orthoimagery Topographic map
  • 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. 6Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  • 6. 7Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  • 7. 8Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  • 8. 9Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  • 9. 10Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  • 10. 11Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Continuum of « In-between » representations build with the French Geoportail
  • 11. 12Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-Between »visualizations Orthoimagery Topographic map
  • 12. 13Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013
  • 13. 14Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  • 14. 15Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  • 15. 16Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  • 16. 17Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  • 17. 18Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  • 18. 19Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Browsing « In-between » representation Orthoimagery Topographic Map
  • 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. PERSISTENT PROBLEMS IN CURRENT VISUALIZATIONS
  • 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. 23Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Side-by-side co-visualizations Swipe Synchronized visualization Magnifier
  • 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. 25Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Toponym representation © Géoportail, IGN France © Bing maps, Microsoft © Google maps [Hoarau & Escrihuela 2013]
  • 26. 27Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Map design issues
  • 27. 28Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Map design issues How to portray vector data overlaid to an imagery background ?
  • 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. 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. 32Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  • 32. 33Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  • 33. 34Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  • 34. 35Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Camouflage » method
  • 35. PATCHWORK METHOD Keeping the best of each visualization
  • 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. 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. 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. 40Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 « Patchwork » method
  • 40. 41Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Camouflage by swiping
  • 41. ADAPTIVE SYMBOLIZATION Orthoimagery as a specific background layer
  • 42. 43Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 Adaptive symbolization Different visual impact of background layers  « Inversion » of conventional colors
  • 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. 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. 47Charlotte Hoarau 26th International Cartographic Conference, Dresde – 27/08/2013 In-Between Steps
  • 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. « 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.