Difference: DuckyInfoVisProjectProposal (4 vs. 5)

Revision 52005-11-02 - DuckySherwood

  META TOPICPARENT 
 name="DuckyInfoVisProject" 

 Ducky's InfoVis Project Proposal 
Proposal specs
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+ name="DuckyInfoVisProject"
 Proposal specs
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  Participants 
Only me, Kaitlin Duck Sherwood, ducky@csDELETEthisTEXT.ubc.ca

 Description 
I plan to do a Google Maps mashup that overlays semi-translucent images on Google Maps in order to show area-based data.
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+Note: I had worried that the overlaying might be too slow, but I have seen someone else overlay transpart Google Maps over Google satellite images with totally adequate performance.
  Personal expertise: 
 
 I did a project integrating maps, floorplans, and a virtual walkthrough years ago at UIUC.
  Proposed solution
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+ your proposed infovis solution. You should propose an infovis solution, and of course relate it to your domain task and dataset. Abstraction is critical here!

I plan to use Javascript and the Google Maps API to serve maps, capture pan/zoom events, and to overlay area data on top of the Google Maps.

I plan to use the gd library, probably with a perl wrapper, to generate a transparent PNG image to overlay on top of the maps.

I plan to use C language Shapefile C library to parse a variant of the TIGER/Line data -- the ESRI shapefile data.
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  Scenario
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+ a scenario of use. Preview from Evaluation reading hcibib.org/tcuid/chap-2.html
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+@@@ scenario
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+	 A scenario spells out what a user would have to do and what he or she would see step-by-step in performing a task using a given system. The key distinction between a scenario and a task is that a scenario is design-specific, in that it shows how a task would be performed if you adopt a particular design, while the task itself is design-independent: it's something the user wants to do regardless of what design is chosen.
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+ Interface mock-ups 
@@@ illustrations of what the interface will look like
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+@@@
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+ Interface mock-ups 
# illustrations of what the interface will look like must be included in scenario. Hand-drawn sketches scanned in or mockups made with a drawing program are fine.
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+ Implementation approach
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+@@@ (ready two: one for the Vancouver desirable-living-places, one for STAR scores)
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+I plan to use Javascript and the Google Maps API to serve maps, capture pan/zoom events, and to overlay area data on top of the Google Maps.
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+I plan to use the gd library, probably with a perl wrapper, to generate a transparent PNG image to overlay on top of the maps.
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+ Implementation approach 
 You don't need lots of detail, just high-level things like which language and platform(s) you will use, and whether you will build on any pre-existing software or toolkits.
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+I plan to use C language Shapefile C library to parse a variant of the TIGER/Line data -- the ESRI shapefile data.
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+@@@ GMaps API, javascript, gd
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+@@@ library for dBASE files
  Milestones 
 Include a list of project milestones with dates, breaking down the work into a series of smaller chunks.
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+Tasks (not milestones):
  Figure out how to overlay one png on static map
  Figure out how to overlay another png when map is recentered
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+ Figure out if Google Maps can overlay maps fast enough.
  Find good shapefiles
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+ Create PNG overlay from one known polygon extracted from shapefile; overlay on Google Maps
  Create PNG overlay from several known polygons extracted from shapefile; overlay on Google Maps
  Create PNG overlay from several known polygons, shaded with data from dBASE file; overlay on Google Maps
 
 

 Given zoom level and map lat/long boundaries, determine which polygons are visible
  Create PNG overlay from zoom level and lat/long boundaries
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+ Develop a simple test suite for PNG manipulation 
  Write code to create PNG from one known polygon extracted from shapefile; overlay on Google Maps
  Write code to create PNG from several known polygons extracted from shapefile; overlay on Google Maps
  Write code to create PNG from several known polygons, shaded with data from dBASE file; overlay on Google Maps
 
 

 Given zoom level and map lat/long boundaries, figure out how to tell which polygons are visible
  Write code to retrieve a polygon based on lat/long.
  Write code to create PNG from lat/long boundaries at default zoom level
  Figure out how to aggregate data from multiple polygons 
  Write code to aggregate data
  Modify code to create PNG from lat/long/zoom data
  Overlay images dynamically on Google Maps
 
 

 (aggressive) Add sliders to allow changing the parameters of the image (e.g transparency, hue)

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