WO2007050344A3 - System and method for identifying bounds of a geographical area - Google Patents

System and method for identifying bounds of a geographical area Download PDF

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Publication number
WO2007050344A3
WO2007050344A3 PCT/US2006/040339 US2006040339W WO2007050344A3 WO 2007050344 A3 WO2007050344 A3 WO 2007050344A3 US 2006040339 W US2006040339 W US 2006040339W WO 2007050344 A3 WO2007050344 A3 WO 2007050344A3
Authority
WO
WIPO (PCT)
Prior art keywords
geographical area
cell
system
area
method
Prior art date
Application number
PCT/US2006/040339
Other languages
French (fr)
Other versions
WO2007050344A2 (en
Inventor
Joshy Joseph
Sridhar Ramaswamy
Mark Rose
Original Assignee
Google Inc
Joshy Joseph
Sridhar Ramaswamy
Mark Rose
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US73146005P priority Critical
Priority to US60/731,460 priority
Priority to US11/399,949 priority patent/US7576754B1/en
Priority to US11/399,949 priority
Application filed by Google Inc, Joshy Joseph, Sridhar Ramaswamy, Mark Rose filed Critical Google Inc
Publication of WO2007050344A2 publication Critical patent/WO2007050344A2/en
Publication of WO2007050344A3 publication Critical patent/WO2007050344A3/en

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10Map spot or coordinate position indicators; Map reading aids
    • G09B29/106Map spot or coordinate position indicators; Map reading aids using electronic means

Abstract

A system and method for determining bounds of a geographical area, such as a city, metropolis, region (e.g., state) or country. From a set of coordinates within the area (e.g., latitude/longitude coordinates), a grid of relatively small cells of geographic data is overlaid upon those coordinates and associated with the area. Each initial cell is iteratively replaced with a larger cell that encompasses the initial cell until the replacement cell intersects a cell associated with some other geographical area or some other boundary condition is met (e.g., a threshold number of replacements).
PCT/US2006/040339 2005-10-27 2006-10-14 System and method for identifying bounds of a geographical area WO2007050344A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US73146005P true 2005-10-27 2005-10-27
US60/731,460 2005-10-27
US11/399,949 US7576754B1 (en) 2005-10-27 2006-04-07 System and method for identifying bounds of a geographical area
US11/399,949 2006-04-07

Publications (2)

Publication Number Publication Date
WO2007050344A2 WO2007050344A2 (en) 2007-05-03
WO2007050344A3 true WO2007050344A3 (en) 2007-12-13

Family

ID=37968355

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/040339 WO2007050344A2 (en) 2005-10-27 2006-10-14 System and method for identifying bounds of a geographical area

Country Status (1)

Country Link
WO (1) WO2007050344A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075467A (en) * 1997-08-21 2000-06-13 Toyota Jidosha Kabushiki Kaisha Map data selection supporting device, and map data processing system and map data processing device including the same
US20030158661A1 (en) * 2002-02-15 2003-08-21 International Business Machines Corporation Programmatically computing street intersections using street geometry

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075467A (en) * 1997-08-21 2000-06-13 Toyota Jidosha Kabushiki Kaisha Map data selection supporting device, and map data processing system and map data processing device including the same
US20030158661A1 (en) * 2002-02-15 2003-08-21 International Business Machines Corporation Programmatically computing street intersections using street geometry

Also Published As

Publication number Publication date
WO2007050344A2 (en) 2007-05-03

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