Changing Theme Legends and Labels

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Changing Theme Legends and Labels

• John Q. Murray
• Murray Information Services, Inc.

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Open the project(Montana themes)

• On startup, select Open an existing project and
  click OK or
• From the File menu, select the command Open
  Project
• In the Open Project dialog, enter the filename
  s\gisclass\MyProj1.apr
• Click OK

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The theme legend

• Symbols and colors are set in the legend
• In the Views Table of Contents (left side)
• Can show or hide the legend
• From the Theme menu, select the command
  Hide/Show legend

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Edit the theme legend

• To edit the legend, double-click on a theme in
  the table of contents
• Double-click on County.shp the Legend Editor
  dialog appears
• It identifies the theme and its symbol

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Change the symbol

• In the Edit Legend dialog, double-click on the
  symbol to change it
• Double-click on the blue polygon the Palette
  dialog appears
• The Palette dialog changes when you click on each
  of the buttons in the button bar

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Six buttons on the Palette Dialog
Each button selects different options Polygon
fill pattern, line thickness, symbols
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Six buttons on the Palette Dialog
Font face and size color and the Palette Manager
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Point theme Change the symbol

• Select the Montana cities theme Ct107.shp
• Double-click on the theme in the table of
  contents
• When the palette dialog appears, click the
  pushpin icon
• From the Marker Palette, select a different
  symbol
• Click the button Apply

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Point theme Change point color

• Select the Montana cities theme
• Double-click on the theme
• When the palette dialog appears, click on the
  paintbrush icon
• Select a different color from the Color Palette
• Click the button Apply

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Cities now shown with a different color, symbol
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Line theme Change line color

• In the View table of contents, click on the
  Montana rivers theme hd43a.shp so that it is
  highlighted

• From the Theme menu, select the command Edit
  Legend
• Double-click on the line symbol
• Click on the paintbrush to view the Color
  Palette then select a new color
• Click Apply

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Line theme Change line shape

• On the Color Palette dialog, click on the pen
  icon to select the Pen Palette
• Select a different line
• Click Apply
• Close the Pen Palette

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Rivers different color, symbol
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Polygon Change color

• Select the Montana counties theme
• Double-click on the theme
• When the dialog appears, click on the paintbrush
  icon
• Select a different color from the Color Palette
• Click the button Apply

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Polygon theme Change fill color

• Click the pouring paintbucket icon to choose the
  Fill Palette
• Choose another fill pattern waffle
• Click Apply

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Polygons different color, pattern
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Transparent polygons

• Transparent polygons
• From the Fill Palette, choose the empty pattern
  in the upper left

Transparency allows you to simultaneously view
multiple polygon themes
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Labels

• Two ways to control labels
• Auto-label
• Theme properties

• Select the theme
• From the Theme menu, select Properties
• Choose the label field Name
• Click OK

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Add individual labels

• Select the label tool
• Click on any city symbol to add a label based on
  the selected field (the Name)
• To erase the labels, from the Theme menu, select
  the Remove Labels command

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Auto-label

• Instead of individual labels, add all the labels
  at once
• From the Theme menu, select Auto-label command
• In the Auto-label dialog, select the Label field
  to be displayed
• Click OK

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Labels