Advanced GIS

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Advanced GIS

• Symbology, Tables,
• and more tricks

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Discussion overview

• Moving your project
• Saving/creating new layers
• More choices of symbology
• Table manipulation differences
• Tricks

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Moving your project
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Extension Differences

• Arc View - .apr is project file
• Arc GIS - .mxd is project file
• If you save everything on your disc there often
  is no problem
• If your files are in different directories/files,
  you will not be able to open until you redefined
  paths shown with red !

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Defining new paths
Right Click
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Navigate to new path
New directory now added to TOC
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Saving data as a separate feature class
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Data-Export Data

• Similar to Save as Shapefile
• Creates new feature class with only selected data

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Right Click
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Navigate to file
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New Layer with Selected Features only
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Create New Layer file

• Allows you to create new file with predefined
  symbology
• Creates .lyr file

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Design then save
Right Click
Can include labeling, scaling, and any symbology
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Creates a .lyr file that will always load with
that symbology, but can still be changed
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AdvancedSymbology
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Symbology changes

• Multiple choices
• Can add and remove things from legend with
  greater ease
• More templates

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Single Symbol
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Categories Unique Values
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Order in legend can be changed by selecting then
moving with arrows
SUB_REGION can be changed by double clicking
ltall other valuesgt will show up in legend if
left checked
Can add and remove from list and map
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Unique Value Results
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Unique Values, many fields
Gives up to three pieces of data for each record
shown in legend
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Unique Values, many fields-Results
Each legend item is unique with individual data
for each unique combination of selected items
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Graduated Colors
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Graduated Colors - Result
This compares females to total population of
state as .
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Graduated Symbol
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Graduated Symbol - Results
This compares females to total population of
state as .
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Proportional SymbolsPuts groups based on 100
Opens Query box
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Proportional Symbol Result
Each is proportioned to 100 This compares
females to total population of state so all are
about 50
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Dot Density
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Dot Density - Results
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Chart-Results
Pie
Bar/Column
Stacked
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Multiple AttributesQuantity by Category
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Color Ramp or Symbol Size
This will determine what each record will be
scaled by.
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Multiple AttributesQuantity by CategoryResults
Each record is listed with a breakdown determined
by color ramp or symbol size
Multiple Attributes are listed.
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Managing Tables
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Creating New Tables

• Several ways
• File management process
• ArcToolbox
• Start in Arc Catalog
• Define Table structure
• Add Data to table in Arc Map

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In ArcCatalog
Name New Table
Right Click
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In Arc Catalog
Right Click
Title new fields and determine data type
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In Arc Map
Add Data to add empty table to ToC
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Enter Data
In Arc Map
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Can Add Field from Arc Map
Right Click on Options in Attribute table
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Intro. to ArcToolbox
A collection of dialog box driven processes
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Tricks to Toolbox
Right Click on ArcToolbox to select New
Toolbox Then name the new toolbox This allows
you to copy and put all the tools you use
frequently in one place so you dont have to
search for them
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To Build personal Toolbox
Right Click to get copy/paste menu
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Getting tables into ArcMap

• Create table using a tool in ArcToolbox
• Tables are easier in Personal geodatabases
• Define the table in ArcCatalog then open and
  populate in ArcMap
• Import table from other program

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Create a New Personal Geodatabase
Right Click for menu in student folder
Type name new pgd
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Create New Table inside new personal geodatabase
Right Click for menu
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Dialog Wizard to Define Fields for New Table
Name new Table
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Define Fields
Type names of desired fields and identify what
type of data will populate the field
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Add Data in ArcMap

• ArcCatalog must close down to open table in
  ArcMap (??)
• Must add Editor Toolbar
• To change (including enter data) a table you must
  start editing then stop editing

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2.
1.
3.
4.
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Enter Data then Save and stop editing
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Import Table from other program
In many cases the external table can just be
added directly to the TOC
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New Tricks
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Connect To Folder
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Hide/Show Legend
or sign next to each layer
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Create Bookmarks
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Questions and Demonstration