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Introduction to GIS and ArcGIS How a GIS works Introduction to ArcGIS The ArcGIS Interface
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A GIS integrates five basic components data method s software people hardware
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Data
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Types of datasets Vector formats (“feature classes”) Points Lines (”arcs”) Polygons
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Types of datasets Raster formats Matrices of square cells (grids, pixels)
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Types of datasets Attribute tables: tables of data describing spatial features
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Methods
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Basic GIS Functions Capture Store Query Analyze Display Output
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Capturing data Paper mapsDigital images GPS output Coordinate lists
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Query Identifying specific features Where is parcel No. 2945? Identifying features based on conditions Find all trees with DBH > 35 cm
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Analysis Proximity : which roads are within a 100 ft from a stream Overlay: combines the features of two or more layers to create a new layer (intersections, unions…) Network: examines how linear features are connected
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Analysis
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Display ► ► Maps ► ► Graphs ► ► Reports/Tables
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Examples of GIS maps surface drapes & 3-D modeling
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Examples of GIS generated maps detailed topographic maps
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Output ► ► Paper map ► ► Internet ► ► Image (cc.jpg, cc.pdf) ► ► Document (cc.mxd) ► ► Poster
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How a GIS works Introduction to ArcGIS The ArcGIS Interface
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What is ArcGIS? ArcGIS Clients Application/Data Servers Components ArcGIS Desktop EXTENSIONSEXTENSIONS ArcGIS Engine ArcObjects RDBMS ArcSDE ArcGIS Server ArcIMS EXTENSIONSEXTENSIONS Network ArcReader ArcView ArcInfo ArcEditor Custom Application ArcPad Web Browser
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ArcGIS Desktop Products Increased Functionality ArcView ArcInfo ArcEditor
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The history of ESRI products time ArcInfo ArcView ArcGIS ArcView ArcEditor ArcInfo
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All ArcGIS products share common applications ArcView ArcInfo ArcEditor ArcCatalog-window to database ArcMap-displaying ArcToolbox-geographic processing functions
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What is unique about ArcGIS GIS? GUI (Graphic User Interface) Desktop Use Customization & Programming Extensions to Increase Functionality Scalability
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GUI ArcGIS uses a Graphical User Interface (GUI). Instead of typed commands, menus, buttons, and tools are used. Provides access to most controls, functionality, and operations Each document type in ArcGIS has its own GUI controls. Beware: The ArcGIS GUI is complicated and many-layered. There is no command-line control; all automation must be scripted.
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Desktop Use Unlike most major GIS software of the past, ArcGIS will run on a desktop computer. Desktop computers (PCs) are: cheap easy to administer common easy to use
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Customization & Programming Many functions are not available from the GUI Custom functions and operations can be created with various programming languages Repetitive tasks can be automated New functions and operations can be added to the GUI menus, buttons, and tools Entire new applications can be developed Beware: Scripting is not easy to learn
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Extensions -> Increase Functionality Functionality not included in the core ArcGIS product can increase productivity Some extensions are built-in, but just need to be enabled Other extensions are available for free (web); some are available for sale We will be using several extensions during the course
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Scalability The ArcGIS suite contains Desktop application (we will be using this quarter) Data server application (ArcSDE) Application servers (ArcGIS Server) Internet mapping servers (ArcIMS) ArcObjects RDBMS ArcSDE ArcGIS Server ArcIMS Network ArcReader ArcView ArcInfo ArcEditor Custom Application ArcPad Web Browser ArcGIS Desktop
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How a GIS works Introduction to ArcGIS The ArcGIS Interface
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ArcMap – viewing, editing, processing…..
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The ArcGIS Interface ArcCatalog – Data Management Editing Processing
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The ArcMap Interface table of contents map display GUI data frame layer scale
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Toolbars demonstration of help tips
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The ArcCatalog Interface GUI catalog tree catalog view folders data sources
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The ArcCatalog Interface contents mode
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The ArcCatalog Interface Preview geography mode
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The ArcCatalog Interface preview table mode
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The ArcCatalog Interface metadata mode
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ArcToolbox & Geoprocessing Most geoprocessing tasks are accessed through ArcToolbox
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ArcToolbox & Geoprocessing ArcToolbox can be “docked” in ArcMap or ArcCatalog
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ArcToolbox & Geoprocessing Geoprocessing tasks can also be performed using the command line
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ArcScene Application for viewing data in 3 dimensions in “real time”
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ArcGlobe Application for viewing global data in 3 dimensions in “real time”
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Homework Read: “What is ArcGIS9” “Exploring the ArcGIS interface” “ArcGIS GUI” “ArcGIS modules” Post a message to E-post with: Your year (fr,so,jr,sr,etc) Your major Why you are taking the course Do: Assignment 1 and submit with E-submit Check E-post regularly
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