welcome to dep’s gis workshop series
DESCRIPTION
Welcome to DEP’s GIS Workshop Series. Workshop 4 Introduction to ArcMap 9.3. Opening ArcMap 9.3 Click on the Start button Click on All Programs Click on ArcGIS Click on ArcMap OR Double click the ArcMap Icon on your desktop. Introduction to ArcMap 9.3. Open an ArcMap Document - PowerPoint PPT PresentationTRANSCRIPT
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Welcome to Welcome to DEP’s GIS Workshop DEP’s GIS Workshop
SeriesSeries
Workshop 4Introduction to ArcMap 9.3
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Introduction to ArcMap 9.3
Opening ArcMap 9.3
•Click on the Start button•Click on All Programs•Click on ArcGIS•Click on ArcMap
OR
•Double click the ArcMap Icon on your desktop
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Introduction to ArcMap 9.3
Open an ArcMap Document
Class Exercise
•Choose File, Open•Navigate to C:\ArcGIS_Training\Class4\•Double Click on Class4_Doc1.mxd•Wait for the ArcMap document to open.
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Introduction to ArcMap 9.3
The ArcMap Interface
Table of Contents
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Menu Bar
Tool Bar
Map Display Area
Tabs Indicating Table of Contents View
Status Bar
Navigation Toolbar Map Display Control Buttons, L to R: Data View, Layout View, Refresh View, Pause Drawing
Scale Display
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Introduction to ArcMap 9.3
Toolbars and Menus
•All toolbars can float or be docked
•Show and hide toolbars
•Create and customize your own toolbar
•Main Menu at top of page
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Introduction to ArcMap 9.3
Class Exercise
•Grab your “Tools” toolbar and dock it between the Table of Contents and the Map View.
•Now hide that toolbar.
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Introduction to ArcMap 9.3
Table of Contents
The ArcMap Table of Contents contains three tabs, each with its own function.
•Display tab• Arrange layers, view legends, expand and
collapse layer views. Does NOT list tables.•Source tab
• View the GIS file source of the layer. Lists tables.
•Selection tab• Turn selectable layers on and off.
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Introduction to ArcMap 9.3
Two types of views:
•Data View
•Layout View (shown)
Display Area
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Introduction to ArcMap 9.3
Creating an ArcMap ProjectWhat is a “Project”?
•Has an .mxd file extension
•A set of rules and pointers to data
•Does not contain data itself
•Saves symbology, layer order, layout
design, graphics, labels
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Introduction to ArcMap 9.3
Types of Data
•Shapefiles (.shp)
•Geodatabases •Personal (.mdb) geodatabase feature classes•File (.gdb) geodatabase feature classes•SDE feature classes
•Explanation of Layer (.lyr) Files•Layer Files specify certain properties for layers. •Can be Group Layers or Single Layers
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Shapefiles (.shp)
Introduction to ArcMap 9.311
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Geodatabase Feature Classes
Introduction to ArcMap 9.312
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SDE Feature Classes
Introduction to ArcMap 9.313
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SDE Layer Files (.lyr)
Introduction to ArcMap 9.314
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Introduction to ArcMap 9.3
3 Ways to Add Data:
•Add Data Button
•Drag and Drop from ArcCatalog
•Drag and Drop SDE layers from Windows Explorer (recommended option).Visit R:\ArcSDE_Data\[category]
Options for Adding Data:
Check off initial Layer display.
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Introduction to ArcMap 9.3
Saving Your Project
Always save your project as soon as possible and frequently thereafter!
Click File, Save orFile, Save As
Type a name and location for your project.
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Introduction to ArcMap 9.3
Navigation and Other Basic Tools
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Introduction to ArcMap 9.3
The Table of Contents
• Displaying Data
• Data Frames and Their Properties
• Layer Properties
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Introduction to ArcMap 9.3
Displaying Data
• Expand and Collapse Layers
• Viewing the Legend
• Initial View / Scale thresholds
• Changing the Drawing Order
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Introduction to ArcMap 9.3
• What is a Data Frame?
• Contains Common Properties, e.g. Coordinate System
• How To Set Properties
• Why Multiple Data Frames?
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Data Frames and Their Properties
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Introduction to ArcMap 9.3
Properties of a Datalayer
• Numerous tabs allow for total control over the display of your Layer.
General Fields*Source Definition Query*Selection* Labels*Display Joins and Relates*Symbology
* Not discussed in this workshop
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Introduction to ArcMap 9.3
General Tab
• Layer NameRename layer.
• Scale RangeDecide at which scales your
data will be displayed.
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Introduction to ArcMap 9.3
Source Tab
• Sets your data source. Can be from any available local, removable or network drive.
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Introduction to ArcMap 9.3
Display Tab
• Turn Map Tips on or off.
• Scales symbols when using a reference scale.
• Sets the layer’s transparency level.
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Introduction to ArcMap 9.3
Symbology Tab
• Defines symbols for your layer.StyleColorSizeFillMaskingetc.
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Introduction to ArcMap 9.3
Symbolizing Data
Five ways to symbolize your data:
FeaturesCategoriesQuantitiesCharts*Multiple Attributes*
*Not discussed in this class
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Introduction to ArcMap 9.3
Symbolizing Data
Features•Only one symbol per layer
Example: Railroads
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Introduction to ArcMap 9.3
Symbolizing Data
Categories
•Symbolize your data based on values from a field in your table.
1. Unique Values2. Unique Values, many fields3. Match to symbols in a style
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Introduction to ArcMap 9.3
Symbolizing Data
Example of Symbolizing with Categories: DEP Properties
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Introduction to ArcMap 9.3
Symbolizing Data
Quantities
•Symbolize your data based on quantities (numeric values) from a field in your table.
1. Graduated colors or symbols2. Proportional symbols3. Dot density
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Introduction to ArcMap 9.3
Symbolizing Data
Quantities
Example: Area in square miles of Connecticut towns.
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Introduction to ArcMap 9.3
Tables
Tables store the attribute data of your GIS features. Table functions:
1. Open Table and View Contents
2. Show and Hide Columns
3. Calculate Fields
4. Select a user defined set of records
5. Join and Relate Tables
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Introduction to ArcMap 9.3
Table for DEP Property Layer
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Introduction to ArcMap 9.3
Select Records That Meet Certain Criteria
For example, here only Shenipsit State Forest properties are selected.
Size of each parcel in acres is calculated.
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Introduction to ArcMap 9.3
The Importance of Metadata
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Metadata is information about the actual datalayer. It is important to know how, why, and when the data was created. In the example below, suppose we need to find out what the AV_Legend field is. Right click on the DEP Property layer name in the Table of Contents, choose Data, View Metadata and scroll down to Attribute Information.
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Introduction to ArcMap 9.336
Av_Legend is described as the “Text field for symbolizing DEP facility types on a map”.
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End of Workshop 4End of Workshop 4
Next workshops to be Next workshops to be held on Thursday, May 7held on Thursday, May 7
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