Post on 20-Dec-2015
Unit Three: Selecting Unit Three: Selecting FeaturesFeatures
In this unit…In this unit…
Find ToolFind Tool
Select by AttributesSelect by Attributes
Select by LocationSelect by Location
Customizing Customizing SelectionSelection
►ReviewReview
►Selecting: An Selecting: An OverviewOverview
►Selection ToolSelection Tool
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► Select records with click Select records with click in the left margin. in the left margin.
(did it in chapter 2)(did it in chapter 2)
ReviewReviewSelect a RowSelect a Row
We We LOVELOVE This. This.We We LOVELOVE This. This.
► Selecting Attribute Table records Selecting Attribute Table records causes the corresponding features causes the corresponding features to be to be selected in the Display Area.selected in the Display Area.► Modifying, analyzing Modifying, analyzing and processing and processing geospatial data geospatial data requires filtering requires filtering of features. of features.
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► Filter records with:Filter records with:
Select ToolSelect Tool
Find ToolFind Tool Query Builder Tool Query Builder Tool (select by (select by
attributes)attributes)
Select by Location Select by Location (spatial selection)(spatial selection)
Layer Definition Layer Definition (not included in this (not included in this unit)unit)
Selecting: An OverviewSelecting: An Overview
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Context – A big issue!Context – A big issue! Pay particular attention to the Pay particular attention to the
layers that selection tools operate layers that selection tools operate upon.upon.
Selecting: An OverviewSelecting: An Overview
Context: Your Choice!Context: Your Choice!
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Selecting: An OverviewSelecting: An Overview
Getting Oriented…Getting Oriented…
The “The “Standard Tool Standard Tool BarBar” - a mix of ” - a mix of functionality. functionality.
We looked at We looked at these…these… In this UnitIn this UnitIn this UnitIn this Unit
6Unit Three – Selecting Unit Three – Selecting FeaturesFeatures
Selecting: An OverviewSelecting: An Overview
Getting Oriented…Getting Oriented…
Note the location Note the location of other selection of other selection tools addressed tools addressed in this unitin this unit In this UnitIn this UnitIn this UnitIn this Unit
7Unit Three – Selecting Unit Three – Selecting FeaturesFeatures
Selecting: An OverviewSelecting: An Overview
Getting Oriented…Getting Oriented…
Clearing Clearing Selections:Selections:
Clears Clears all Layersall Layers
Clears Clears Layer/ContextLayer/Context
1.1.
2.2.
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The Selection Tool does:The Selection Tool does: point-and-click selectionpoint-and-click selection click-and-drag selectionclick-and-drag selection
but... the tool selects but... the tool selects in multiple layers at once!in multiple layers at once!
Selection ToolSelection Tool
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Selection ToolSelection Tool►Features in all Features in all
““Selectable LayersSelectable Layers” ” selected togetherselected together
►Selectable layers Selectable layers are are not picked as not picked as part of the toolpart of the tool – –indicated indicated priorprior to to selection.selection.
Features in Features in newly added newly added layers: layers: selectableselectable by by defaultdefault
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Selection ToolSelection Tool
Two methods:Two methods:
1.1.by “by “Selectable LaSelectable Layyersers””
2.2.by “by “isible” Layersisible” Layers
Selectable LayersSelectable Layers
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Selection ToolSelection ToolSelectable Selectable
Layers ILayers I
1. 1. SSELECTIONELECTION MMENUENU
2. S2. SEETT SSELECTABLEELECTABLE
LLAYERSAYERS, and, andmake layers make layers
isible to isible to selection tools selection tools
Checked Checked items will items will
be be selectable selectable (probably)(probably)
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Selection ToolSelection ToolSelectable Selectable
Layers I-aLayers I-a
1. 1. TTOOLSOOLS M MENUENU
2. 2. OOPTIONSPTIONS
3.3. TOC TOC TTABAB
4.4. Make the TOC Make the TOC Selection Tab Selection Tab
isibleisible
Now it’s an easy check Now it’s an easy check to see what layers are to see what layers are
supposed to be supposed to be selectable.selectable.
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Selection ToolSelection ToolSelectable Selectable
Layers IILayers II
A Layer that is A Layer that is not not
is not selectableis not selectable
Only PBNH Only PBNH features will be features will be selected, (PBNH selected, (PBNH isis ) )
isibleisible
In the SIn the SELECTIONELECTION T TABAB of of the TOC, only PBNH is the TOC, only PBNH is shown with selected shown with selected
features.features.
isibleisible
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Your turn…Your turn…
Chapter 3: Step 1 through 5Chapter 3: Step 1 through 5
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Find ToolFind Tool
What Layers What Layers are Selected?are Selected?
You get to You get to choose with choose with “Find”“Find”::
1.1. all layersall layers
2.2. visible layersvisible layers
3.3. selectable layers selectable layers
4.4. all dataframesall dataframes
5.5. any discreet layersany discreet layersThe context menu for the features that are The context menu for the features that are found contains actions, including “Select found contains actions, including “Select
Feature(s)”Feature(s)”
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Select by Attributes ToolSelect by Attributes Tool
Use “Complete List” button at the risk of your
valuable time!
What What Layers are Layers are Selected?Selected?
► Any single layer Any single layer – but – but Not In Not In Layer ContextLayer Context!! (go figure)(go figure)
► From SFrom SELECTION ELECTION
MMENUENU
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Select by Attributes ToolSelect by Attributes ToolWatch Out: Watch Out: Try to think less like Try to think less like yyou, and more like a ou, and more like a comcompputeruter!!
1.1. ArcGIS tests each record, and will find ArcGIS tests each record, and will find that: that: a)a) A record in a DB of towns can NEVER be A record in a DB of towns can NEVER be
both… both… ““Name” = ‘Durham’ Name” = ‘Durham’
ANDAND““Name” = ‘Newmarket’Name” = ‘Newmarket’
b)b) But that one record may turn out to be… But that one record may turn out to be… ““Name” = ‘Durham’Name” = ‘Durham’
OROR““Name” = ‘Newmarket’Name” = ‘Newmarket’
2.2. Rule of Thumb: Clauses must be Rule of Thumb: Clauses must be a)a) CompleteComplete
b)b) Separately evaluate-ableSeparately evaluate-able““Name” = ‘Newmarket’ OR “Name” = ‘Durham’ Name” = ‘Newmarket’ OR “Name” = ‘Durham’
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Your turn…Your turn…
Chapter 3: Step 6 through 10Chapter 3: Step 6 through 10
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Select by Location ToolSelect by Location Tool
How does it How does it work?work? Select any of
Select any of
these features…these features…
That are within That are within
these features…these features…
Result!Result!
or near, or contained by, etc, etc.or near, or contained by, etc, etc.
Layer 1.Layer 1.
Layer 2.Layer 2.
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Select by Location ToolSelect by Location Tool
What What Layers are Layers are Selected?Selected?
► Multiple layers Multiple layers or single layersor single layers
► From SFrom SELECTION ELECTION
MMENUENU
► Many, many Many, many options – options – Geoprocessing!Geoprocessing!
Diagrams change Diagrams change with selectionswith selections
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Selection OptionsSelection Options
1.1. From From SSELECTION >> ELECTION >>
OOPTIONS PTIONS MMENUENU
2.2. From From IINTERACTIVE NTERACTIVE
SSELECTION ELECTION MMETHOD ETHOD
MMENUENU..
Selection Tools are very flexible.Selection Tools are very flexible.
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Your turn…Your turn…
Chapter 3: Step 11 through ENDChapter 3: Step 11 through END