GIS3043_Lecture_12 - Exercise#06Setup...

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Fall 2010 Lecture #12 Slide Number 1 Exercise #06 Setup Download Exe_06.zip from Webcourses Extract \Exe_06 folder to your \username folder Start ArcCatalog Navigate to . .\username\Exe_06\1_map_docs Double-click on Exe_06.mxd Activate the “Reclassification” Data Frame  Right-click on “Reclassification” > Activate
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GIS3043C GIS for Environmental Studies Fall 2010 Michael J. Gilbrook, GISP, AICP Frank Salmon, GISP Lecture 12 Introduction to Spatial Analysis
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Fall 2010 Lecture #12 Slide Number 3 Phases of Spatial Analysis Stating the Problem “How many acres of wetlands will be affected by  Roadway Alternative A?” “How many proposed homes in the new Weasel Woods  Estates are located in the 100 year floodplain?” “Which redistricting map provides the most  Congressional districts with Republican majorities?” Choosing the Data Spatial location – Must be in the right place Appropriate scale – Must be right level of detail Desired attribute values – Must have tabular data that  are of interest
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Fall 2010 Lecture #12 Slide Number 4 Phases of Spatial Analysis Conducting the Analysis Identifying spatial analysis steps required Determining best order of spatial analyses Summarizing the Output Data Assigning and/or recoding attribute values Creating appropriate maps Exporting tabular data (e.g., to Word or Excel) Conducting summary statistical analysis Count (e.g., “How many parcels?”) Sum (e.g., “How many acres of vacant commercial land?”) Mean (e.g., “What is average value of property affected?”)
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Fall 2010 Lecture #12 Slide Number 5 Spatial Modeling Determine Desired Outcome Identify Appropriate Spatial Operations Determine Best Sequence Minimize time Minimize computer resources (RAM) Minimize number of files, size of files Prepare Checklist or Flow Chart County Parcel Map Clip With Study Area Study Area Parcel Map Intersect With FEMA Reselect Vacant, Zone A Vacant  Parcels  Within  Floodplain
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Fall 2010 Lecture #12 Slide Number 6 Types of Spatial Analysis Attribute Analysis Select – Extract features based on attribute values
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This note was uploaded on 11/08/2011 for the course GIS 3043 taught by Professor Gilbrook during the Fall '10 term at University of Central Florida.

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GIS3043_Lecture_12 - Exercise#06Setup...

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