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Tips & tools for using the map

Map Basics

Map Tools

Advanced Map Options



Map Basics

Get to Know the Map Interface

Look around the interface to familiarize yourself with all its features and tools. Hover your cursor over buttons and click them to see what you can do. Close windows by clicking on the "X" in the upper right of the window.

geologic map interface

See a larger version of this image.

Zoom In and Out and Move Around the Map

Use the zoom controls to move to preset scales. You can also zoom in and out by using the roller wheel of your mouse. Pan around the map by clicking and holding down the mouse button while dragging the cursor around the map. Reset the map to the default opening scale and extent by clicking on the Home button.

Go to an Address

Type an address in the "Find address or place" field to zoom to that location. As you type some suggested locations will appear. Be sure to choose the Oregon address!

Click on the Map to Get Pop-up Information

When you click anywhere on the map, a Pop-up window appears. Contents of these Pop-up windows are described in the sections below.

Show/Hide Map Layers

Toggle the checkbox next to a layer to turn it on and off. The higher-level layer must be toggled on for a sublayer to display, even if you have checked a sublayer's checkbox. Click on the down-pointing arrow to the left of a layer to see what's in that layer. Click on on the down arrow to the right of a layer to see options for that layer.

Map layers window contents

Layer options:

map layer window options


Available map layers:


Change the Transparency of Layers

Change the transparency of some layers so you can more easily see the layers below that layer. To change transparency of a layer click on the right-pointing arrow to the right of a layer name. If the options include Transparency, click on the word to open the transparency slider, then move the slider until you at at the transparency you desire.

transparency option


transparency slider


Change the Basemap

You can choose from a variety of basemaps to suit your needs. Click on the Basemap gallery button to select the one you want.

basemap gallery

Print a Map

You can print a map to your local printer or to a PDF. Click on the Print tool button, then Click on the Elevation Profile tool then follow the directions given in the window. You can adjust the print window area, page layout, page size, scale, and resolution (dots per inch, or dpi), and add your name to the map. The resulting map will not include a legend. You can print the full map legend from this PDF.

print menu




Map Tools

Disable Pop-ups

If you want to concentrate on the Pop-up results of one layer, you can disable the Pop-ups in other layers.

disable popups option


Make an Elevation Profile

You can make an elevation profile by drawing a line from one place to another. Click on the Elevation Profile tool button, then follow the directions given in the Elevation Profile window. Clear the results to start again. Note that the vertical exaggeration can be quite large.

Elevation Profile window


Elevation Profile result


Measure Distances and Areas

You can measure areas and distances on the map, or get the latitude and longitude of a point. Click on the Measurement tool button, then follow the directions given in the Elevation Profile window. Clear the results to start again.

measurement tool result


Get the Latitude and Longitude of a Location

Click on the Measurement tool button, then the Location button. On the map, click where you want to see the coordinates. The green marker shows the coordinates where you clicked, while cursor shows your present cursor location.

Get the lat/long of a point


Advanced Map Options

View and Use the Attribute Table to Filter Data

To dig into the underlying data on the map, open the attribute table. You can access the table from the up-pointing arrow at the bottom center of the map window, or from the down-pointing arrow to the right of the layers in the map Layers window. Resize the attribute table window by hovering the cursor at the top of the attribute table window until the cursor turns into a double-pointing arrow, then drag the window to resize it.

access the attribute window


The Attribute window show tabs for each visible map layer. The number of features in the layer is shown at the bottom left of the window.

open attribute window

You can sort the fields by clicking the the small arrow on the right hand side of the field column. If no arrow shows, click on the column heading to select the column first.

sort field

You can filter, filter by map extent, and show/hide columns by clicking on the Options button. Show just the features in the current map window by clicking the Filter by Map Extent option. You can clear a selection or refresh the table. To zoom to a feature on the map, click the row to select the feature, then click on the Zoom to button. To select multiple rows, Shift-click the rows.

attribute window options


Click on Filter to set up queries to find specific data.

filter attribute data

Export Attribute Table Data

You can export data, including filtered data to a CVS (comma separated values) file or or Excel file. Be sure you have selected all the rows you want to export before selecting the Export option or you will get only the table headings. Although the button gives you only the CVS file export option, after you click OK, you can select to open the data in Excel or save it as CVS format.

export to cvs

Get the OGDC Data Used to Make the Online Map

If the Attribute table and map do not provide you enough options, you can download the entire OGDC-6 geodatabase. The geodatabase is an Esri-formatted geodatabase and requires specialty software to open and use.