CVEN 2012 GEOMATICS LABSPRING 2016 INTRO TO ESRI ARCGIS• Objectives

1. Download and Add Data into ArcMap

2. Symbolize and Label Features

3. Navigate and Investigate the Map

4. Explore Attributes and Metadata

5. Create a Layout (for Presentation)

Liz Baumann - elizabeth.baumann@colorado.eduTA for Professor Halek’s CVEN 2012 Intro Geomatics at CU Boulder

MEng student in Civil Engineering - GIS/Geomatics at UC Denver

1. ADD DATA INTO ARCMAP

Boulder County GIS Data

• Open a browser window and select 1st

link on searching for

“Boulder county GIS download”

• http://www.bouldercounty.org/gov/data

/pages/gisdldata.aspx

• About halfway down, under the

“Disaster” section, download the two

.zip files that begin with “Flood 2013*”

Colorado DOT Data

• Also on the same Boulder GIS web

portal, at the top, follow the link to

the CDOT data

• http://dtdapps.coloradodot.info/Otis

• Select “Data Catalog” on the left

• Enter “Boulder” in search box

• Choose the Downloadable GIS data

link (single file; extracts multiple files)

Download & Unzip Data (shapefiles):

1. ADD DATA INTO ARCMAP

1. ADD DATA INTO ARCMAP• Open ArcMap

– Start – ArcGIS – ArcMap 10.2

– On opening, click OK for blank map

• Set Folder Connection

– Right side of window, Catalog pane

– Default download location was:

C:\Users\xxxx1234\Downloads

• Add the .shp Data (see right image) to ArcMap

– Catalog pane (drag & drop, one at a time), or,

– File – Add Data – Add Data

– Add 2 Boulder County Flood .shp (shapefiles)

– Add 6 CDOT .shp: Cities, Rail Lines, Streams, Highways,

Major Roads, Local Roads

– Click “Close” for the GCS warning pop-up

• Good idea to save work periodically, as .mxd file

2. SYMBOLIZE & LABEL FEATURES• First, familiarize yourself with screen layout

– Map pane in center, Table of Contents (TOC) at left

– Toolbars and Menu at top, Catalog/Search at far right, etc.

– Get Help from: Tool Tips, Search pane, top menu bar, F1

• Change symbols for Streams, Rails and Roads layers

– Click symbol in Table of Contents pane, select new symbol / options

– Or, right-click the layer, Layer Properties at bottom, Symbology tab

• Add labels for Cities, Highways

– Right-click the layer in TOC, Layer Properties at bottom, Labels tab

– Select Label Field and choose style; note Placement Properties at lower left

– Also don’t forget to click Label features in this layer at the top!

– Quick and easy toggle for Label Features if you just right-click the layer in

TOC again, about half-way down

2. SYMBOLIZE & LABEL FEATURES

2. SYMBOLIZE & LABEL FEATURES• Change Symbology for Rainfall layer to reflect amounts

– Right-click the layer, Layer Properties at bottom, Symbology tab

– In left pane, select Quantities – Graduated Colors

– Choose Fields -Value = “RainfallMa” (rainfall max) at top center

– Change Color Ramp if you like (and what does right-clicking it do?)

– Note Classification options (upper right) can be changed too

– And midsection, you can edit Labels

– Click Apply or Ok when finished

• One more thing to make it blend in with other area layers:

– Open Layer Properties again, choose Display tab

– Adjust Transparent % at top

• In TOC, click & drag polygon layers up/down to change hierarchy

2. SYMBOLIZE & LABEL FEATURES

3. NAVIGATE & INVESTIGATE• Navigation icons on top toolbar:

– Zoom in/out (mouse wheel zooms too)

– Pan

– Extent: full, previous/forward, etc.

• Select Elements tool

– recommended you always reset to this

• Magnifying glass

– Windows – Magnifier

– Then click and drag mouse to move it

around

3. NAVIGATE & INVESTIGATE• Measure tool

– Choose Units (down

arrow next to the sigma)

– Click & release on start

point on map, click again

on end point

– Note snapping enabled

– How many miles north-to-

south and east-to-west is the

area of largest rainfall

covering Boulder?

3. NAVIGATE & INVESTIGATE• Identify tool

– Which creeks run through Jamestown,

and how much did it rain there?

– May help to set Selectable Features

to only allow selection of Streams…

• Selectable Features

– In left TOC pane, see icons at top;

choose 4th one, List by Selection

– Then turn off/on selectable layers

below it

– Then can use Selectable Features

options and Clear Selected Features

icons on top toolbar

4. ATTRIBUTES & METADATA• Attribute table

– Right-click a layer, choose Open Attribute Table

– Note # rows at bottom; also can show only selected rows

– How many rows in the Highways table?

– Right-click a numeric column and choose Statistics

– How much area was flooded in total?

4. ATTRIBUTES & METADATA• Metadata = data about your data: how prepared, descriptions, etc.

– Catalog pane at right: right click, choose Item Description

– ArcCatalog is a separate application (Start – ArcGIS – ArcCatalog 10.2);

can also edit metadata there

– If you were a planner for the City of Boulder and wanted to use the Flood

Inundated Areas data, how useful do you think the data would be?

5. CREATE A MAP LAYOUT• Bottom left of mapping pane: Layout View

– Up to now we’ve been in Data View

– Can toggle back and forth with these buttons

– Layout View is for presentation

• Layout toolbar becomes active on selecting Layout View

– E.g. to let you pan the Layout not the Data view

• The Insert menu has map presentation elements; standard practice

to at least include:

– Title

– Legend

– North Arrow

– Scale Bar or Text

WHAT ELSE IS POSSIBLE?• Many possibilities for finding data

– Government websites (federal, state, county, city)

– Census, USGS, etc.

– ArcGIS Online (under File menu)

• More ArcGIS Capabilities

– Rasters (aka surfaces / continuous data, e.g. a satellite image, elevation)

– Editing features

– Analysis & Modeling: ArcToolbox, ModelBuilder, ArcPy, create Add-ins

• Could we map our project data in ArcGIS?

– Not the best tool for this project, but does cover some needs

– Complications with: coordinate system, uploading points, symbolizing,

editing features, layout axes tick marks, print layout, etc.