But Can You Map It Using the geography
But … Can You Map It? Using the geography part of the DLI collection Atlantic DLI Training - Halifax March 2000 François Mainville, Arden Bell & Elizabeth Hamilton 1
What’s in the Geo collection ? Files in Map. Info or Arc/Info format. l Digital Boundary, line and/or point files. l Reference Guides & Documentation. l Some tools = Geo. Suite, Geo. Format. l 2
Map. Info or Arc/Info ? Map Info… Ready to use or Arc. View Arc/Info Need to import or other software… if compatible with MI or A/I 3
What’s a GIS ? Geographic Information System l Mapping software integrated to a database l Will perform geospatial operation in or between many layers of information. l Offers possibility to integrate external data l Vector based or Raster based l 4
Boundaries, lines, points. Census Boundaries Features Boundaries, lines or points Points Streets
Two flavours of boundaries at STC DBF files ( For 1986, 1991 & 1996) DCF files + 6
Water layer 7
What’s in a Boundary file ? Examples of Polygonal features Census Areas, City Limits, City blocks, Lakes, Islands, Pop Ecumen, Neighbourhoods, User defined zone of interests, Buffer Zone. Polygons ? 8
What’s in a Street Network file Examples of Linear features Roads & Hyways, Rail Roads Rivers, Streams, Pipelines, Power Lines, ? 9
What’s in a point file • Examples of point features • Dwellings, schools • Navigation buoys, • Oil wells, Radio Towers • Smoke stacks Areas can also be represented by points PCCF, Census Area rep. point 10
Reference Guides Available in Adobe Acrobat format (. pdf) 11
Geo. Suite l The Geo. Suite tool provides linkage between the different levels of Census geography. – List of Census Areas within larger Census areas. – Population counts for selected areas. 12
What’s not in the collection l GIS/Mapping Software l Caris, Map. Info, Arc. View, Pa. Map, etc… ( although STC does provide mapping tools under E-STAT and Census Community profiles ) Ready to use maps l Knowledge l – About the census ( some under Census section ) – Cartographic / GIS 13
Other STC Mapping tool Census Community Profiles http: //www. statcan. ca/english/census 96/list. htm 14
Understanding Geography requires knowledge of Census Geography 15
Census geography l A bit of concept – Census Areas are building blocks. – Small areas are agregated into larger ones. 16
Census Geography Overview 12 003 133 SGC Code 13 02 133 CMA Province CMA 12 2 05 17
Census Geography 18
Getting help with the Census Dictionnary l Census handbook l SGC Manuals l Maps series ( EA, CD CSD, CMA CT ) l 19
Where on DLI FTP site ? /dli/geography/19. . / … l FTP l Naming convention l see handout l 20
The Steps to get a file Find. . . Download (ftp) Execute (unzip) Import (arc files only) Launch Arc. View New View Add theme Click! [Save project] 21
Sound good? That was nothing. Just watch Arden do his thing!!! 22
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