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Lesson One

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

Legends and Layers

• Navigate to the NVCRIS website.

• If the Map Inset is visible, click the Overview Map Button to remove it.
• Click the Legend/Layer Button to switch from the Layer display to the Legend display.

            Notice how the legends change.

• Return to the Layer View and make the Hydrologic Layer visible by checking the visible box.
• Click the Refresh Map Button.

A new map depicting the Hydrologic Units for Nevada Appears.

• Uncheck Hydrologic Units and refresh the map again.

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.

• Select the Zoom In Button and place the cursor on the Elko label.
• Right click, then right click again. 

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.

• Click and drag the corners of the 41115-A1 quad again and the next view displays the 7.5 minute quad index.
  (Notice that features are added to the legend as the zoom scale changes).
• Select the Pan Button  and place the cursor on the 41115-C7 quad.
• Drag it to the center of the view.
• Continue zooming into the 41115-C7 quad to view sites and inventories.

• Pan and zoom for additional detail

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 selected area are shown.

Note that strings in each field generally 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.

• Enter any of the strings in the Counties attribute fields and that county will be highlighted on the map.
• Place the cursor in . 
• 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, and 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.

Lesson 2