Lesson One

In this lesson, you will explore the simple tools on the NVCRIS toolbar, and familiarize yourself with the ArcIMS environment.

Map Layers

• Navigate to the NVCRIS website

Use checkboxes and radio buttons to make Map Layers Visible or Active.

• Un-check the Shaded Relief visible box.

The shaded relief background image is no longer visible

• Check the Shaded Relief box to make the map re-appear.

For ease of display, some of the Map Layers are visible only when zoomed to a specific scale.

Zoom and Pan

The zoom and pan buttons allow the user to move through different layers and to different parts of the map, exposing different layers of data.

• Make sure the County layer is visible.
• Select the Zoom In Button and place the cursor on the Elko label.
• Left click.

The 1:100K map index layer is displayed.

• Left click and drag the cursor from the upper left corner to the lower right hand corner of the 41115-A1 quadrangle.

Release the left mouse button. The view is zoomed to a closer view. The 7.5 minute map index is displayed.

Select the Pan Button and place the cursor on the 41115-C7 quad.

• Drag it to the center of the view.

• Left click and drag the cursor from the upper left corner to the lower right hand corner of the 41115-C6 quadrangle.

Sites and inventories are shown and labeled on a 1:100,000 quad background

• Left click and drag the cursor to form a square around Horse Spring.

Sites and inventories are shown and labeled on a 7.5 minute quad background

Hyperlink

The Hyperlink button  links sites shown on the display to a scanned site record.

§         Select the Hyperlink button  

§         Make sure the Sites Layer is active.

§         Place the icon over a red site on the display and left click

A scanned site record is displayed.

To return to the opening view:

• Click the Zoom to Full Extent Button.

Identify and Find

As different layers are revealed on the map, simple queries can be address using the Identify and Find buttons.

• From the full view, make Counties active by clicking the active box on Map Layers.
• From the Button bar, select the Identify Button and move the cursor to any spot on the map.
• Left Click, and all County attributes for the selected county are shown.

 

Note that the entry in the county field would serve as a unique identifier.

To search for a specific field or feature within the selected Layer;

§         Select the Find Button from the Button bar.

A box requesting an entry string appears below the map.

 

By entering an appropriate strings in the Counties attribute fields and that county will be highlighted on the map.

• Place the cursor in .

Note: The Search is Case Sensitive

• Type in ELKO
• Then click .

Elko County is highlighted on the map, and a box with summarized attributes is placed below.

• Click the blue record attribute 1, in the Query Selection Results box.

The map zooms to Elko County.

From here, the user can zoom into the appropriate map level using Zoom and Pan techniques.

To return to the opening view:

• Click the Zoom to Full Extent Button.

Drill Down

The Drill Down tool will identify any sites or inventories under a selected map point.

§         Using the Zoom In tool , left click and drag a small rectangle over the word Washoe on the map display.

• Select the Drill Down tool and place it in an inventoried block containing sites.

A results screen displays all sites and inventories found under the selected drill down point.  

• Place the cursor on one of the Blue Highlighted GISLABEL (Site Number) fields

A scanned version of the site record appears.

§         Select the Zoom to Last Extent button.

The display returns to the last drawn image.