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GIS SHOWCASE: Examples and Resources for Mapping June 26, 2009 Madhu Lakshmanan, LSNTAP.

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Presentation on theme: "GIS SHOWCASE: Examples and Resources for Mapping June 26, 2009 Madhu Lakshmanan, LSNTAP."— Presentation transcript:

1 GIS SHOWCASE: Examples and Resources for Mapping June 26, 2009 Madhu Lakshmanan, LSNTAP

2 Welcome! If you joined the conference via telephone, please enter your audio pin if you havent already. (The image on the right is an example - your audio pin will be different.) If you joined with a microphone and headset or speakers (VoIP), please be sure your device volume settings are properly adjusted. If your mic & headset is not working, please try unplugging and re-plugging in your device. We will begin promptly at the top of the hour.

3 Please, let us know your questions and comments during the training Maximize/minimize your screen with the chevron symbol Telephone participants need to enter their audio pin Ask a question in the questions log Raise your hand

4 Ensuring we can hear you Mic & Speakers users should make sure the microphone volume is turned up. You can always switch to telephone at anytime in the training. Ensure that you have not muted yourself Un-mutedMuted

5 Questions? Raise your hand, please!

6 Todays training… …is being recorded …will be archived on our website Registered attendees will receive an with a link to this information once it has been posted

7 Presenters Madhu Lakshmanan LSNTAP Mona Tawatao Legal Services of Northern California (LSNC) Keith Morris Elderlaw of Michigan

8 Todays Presentation Brief introduction Examples from LSNC The Elderlaw of Michigan Experience Getting started with mapping today! Some possibilities Resources

9 Mapping & GIS A geographic information system (GIS) captures, stores, analyzes, manages, and presents data that refers to location. Mapping is the commonest way of visualizing GIS data. GIS infrastructure, hardware & software are one of the most complex, expensive and dynamic systems now. Decent basic customized systems would run into the 6 figures.

10 Early adopters and one of the most sophisticated users of GIS in our community.

11 Using Maps as an Advocacy Tool NTAP Webinar June 26, 2009 Legal Services of Northern CA

12 Why use maps and visual data? A picture is worth a thousand words A picture is worth a thousand words Myth of objectivity Myth of objectivity Makes concepts and certain phenomena visible, e.g. structural racism Makes concepts and certain phenomena visible, e.g. structural racism

13 Legislative advocacy: Fighting health care cuts

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15 Administrative advocacy: Seeking environmental justice

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17 Community education: Challenging unequal municipal services

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28 Applying the data and map presentation tool Maps are an advocacy tool Maps are an advocacy tool Use data of opponents and detractors to make your case Use data of opponents and detractors to make your case Maps/compelling data presentations to foster collaboration, problem- solving Maps/compelling data presentations to foster collaboration, problem- solving Maps/data in litigation and other adversarial proceedings Maps/data in litigation and other adversarial proceedings

29 Mapping/Data Resources LSNC website - GIS mapping page LSNC website - GIS mapping page REP website – Mapping Race page REP website – Mapping Race page Neighborhood Knowledge California 2.0 Neighborhood Knowledge California 2.0 NKCA tutorials on LSNC websiteNKCA tutorials on LSNC website Dataplace Dataplace American Factfinder American Factfinder

30 Mapping/Data Resources (contd) Cedar Grove Institute for Sustainable Communities Cedar Grove Institute for Sustainable Communities PolicyLink – Community Mapping Toolkit PolicyLink – Community Mapping Toolkit CensusScope CensusScope ESRI ESRI Metropolitan Area Research Corporation Metropolitan Area Research Corporation

31 Elder Law of Michigan Trying to use mapping for targeting services and evaluation.

32 Example

33 Data created using Map

34 Getting started with mapping today

35 Google Earth – Quick look

36 The process What do I want to do? Map my sample New Mexico case data and also analyze it vis-à-vis the population of senior citizens in that state. What do I need? A mapping application (Google Earth) KML/KMZ files from the census for NM seniors & for my case data Geocoding service (to add lat/long to case data) KML creating application from census data Optional graphing tool

37 Online Tool to create KML files from Census data

38 Google Earth- Census data

39 Using case data A concern for mapping case data directly always remains that of confidentiality. Geocoding your case data would require you to get coordinates (lat/long) for the address portion of your data and you dont need to send any other information to the geocoder. It is exactly what you do when you type addresses into MapQuest or into your cars GPS system to get you somewhere. Aggregating case data by zipcode would be almost as useful in showing you density on a map while preserving confidentiality of a specific case address.

40 Add lat/lon information to your case You can download a KML file with this data.

41 Census data overlaid with case data directly in Google Earth

42 Raw case data to aggregate data

43 EarthPlot – aggregate data on a map

44 Case data by zipcode aggregate The size of the blue circles is proportional to the number of cases in that zip code area.

45 Individual & aggregate representation of case data

46 Google Earth representation of a legal aid service area

47 Source for Base Maps - shape files

48 Other Tools and Resources for maps, data, conversion etc SHP2KML & KML2SHP AFFMapper GCensus (to KML some Census data) CensusScope American Fact Finder Rural Assistance Center MappingWorlds – very cool application to use on your website if relevant. MapCruzin – links to many sources of geographic data MapAList – geocode and make KML of spreadsheet data

49 GCensus Generated KML Households – Asian Alone Householder – Total for Washtenaw County, by Census Tract (2000 Census)

50 Upcoming… Hands-on multi-part trainings using the process outlined here. Increased content in the lsntap.org tech library The GIS list revived! the helpdesk for mapping

51 THANK YOU Dont forget to complete our survey Madhu Lakshmanan


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