Presentation by: GIS & PLANNING - esriea.com Proceedings/Customer... · Presentation Outline 1....
Transcript of Presentation by: GIS & PLANNING - esriea.com Proceedings/Customer... · Presentation Outline 1....
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Esri UC 2014 | Technical Workshop |Esri UC 2014 | Technical Workshop |
Mildred Ambani/ University of NairobiGIS & PLANNING
Presentation by:
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Presentation Outline
1. Introduction
2. Integration of Spatial Data in Planning
3. Challenges of Working with GIS
4. Recommendations
5. Demo - GPS Essentials & GIS
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Introduction
GIS links locational (spatial) and non-spatial attributes and enables persons to visualize patterns, relationships and trends – a new perspective to data analysis that cannot be seen in table or list format.
Integration of GIS into Planning:
Spatial data sources: Secondary sources,
Primary sources,
use of the data
Mapping with limits: Diverse sources of data,
Limited spatial data formats
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Integration of Spatial Data in Planning
Secondary Data Sources
Shapefiles and Online services that
offer GIS files for download for
mapping general features (location
context maps, general forest cover
maps etc)
-----Not authoritative, accuracy?
o ArcGIS online,
o Bbike.com
Remote sensing (collection of
information from imaging
technology hovering/flying above
the area of interest) and Satellite
images (earth explorer, landsat)
------Not authoritative, accuracy?
Analogue maps and plans
(cadastral, topographic and thematic
maps) -----Digitizers (Manual) or
Scanners (Auto)
Analog Map
Aerial Photos
Satellite
ImagesReports
IKONOS
SPOT
LANDSAT
JERS-1
IRS
• Agriculture
• Industry
• Economy
• Population
Database
GNSS
Ground Survey
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Satellite Based Positioningo Handheld GPS
o GPS essentials (App)
o GLONASS
o GALILEO
Satellite constellation (GPS)
Segments
Primary Data Sources Abstraction from a
georeferenced
source
Use of Global
Navigation Satellite
Systems – GNSS
devices
CONT’ Integration of Spatial Data in Planning
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CAS
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DY-kikuyu IS
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NATIO
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LO
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EXIS
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EXIS
TIN
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LAN
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PO
PU
LATIO
N D
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SITY
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CO
NTO
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NIL S
CEN
AR
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ALTER
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ALTER
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PR
EFER
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THE LIMITS!:Challenges while Integrating Spatial
Data to Planning
Spatial Reference: o Different datum/different coordinate systems
o Different Data Sources
o Missing spatial reference
Different scales and formats: o of topographical maps,
o of cadastral plans (RIMs, Survey Plans, PIDs)
Cost implications:o buying data (satellite images),
o scanning, printing, digitizing
Access of data:o permissions,
o justifications,
o bureaucracy
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Recommendations
Adequate budgetary & resource allocation on spatial planning (Counties, National govt’ etc.)
National automation of all land records
Policies: Development of National Spatial Data Infrastructure (NSDI)
oPolitical good will,
olimited resources
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GPS Essentials and GIS
Demo
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For more Information:
Mildred Ambani
GIS Expert/Urban Planner
Email: [email protected]
Merci!...Dankeschön!....
Grazie!...Gracias!...
Thank You!..