Unit Three: Selecting Features In this unit… ► Find Tool ► Select by Attributes ► Select by Location ► Customizing Selection ► Review ► Selecting: An Overview

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

2Unit Three – Selecting Unit Three – Selecting FeaturesFeatures

► 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.


► 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


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.


Context: Your Choice!Context: Your Choice!



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




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




Clearing Clearing Selections:Selections:

Clears Clears all Layersall Layers

Clears Clears Layer/ContextLayer/Context

1.1.

2.2.


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


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


Selection ToolSelection Tool

Two methods:Two methods:

1.1.by “by “Selectable LaSelectable Layyersers””

2.2.by “by “isible” Layersisible” Layers

Selectable LayersSelectable Layers


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)



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.



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


Your turn…Your turn…

Chapter 3: Step 1 through 5Chapter 3: Step 1 through 5


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)”


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


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’



Chapter 3: Step 6 through 10Chapter 3: Step 6 through 10


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.


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


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.



Chapter 3: Step 11 through ENDChapter 3: Step 11 through END

Documents

Unit Three: Selecting Features In this unit… ► Find Tool ► Select by Attributes ► Select by Location ► Customizing Selection ► Review ► Selecting: An Overview