GeoMAC is an internet based mapping application which allows the public to access online maps of current fire locations and perimeters using standard web browsers.
Please select from the menu on the top to get help on the application and information on the individual map layers. The data in the viewer is displayed in the Web Mercator (Auxiliary Sphere) projection (WGS84 datum).
If additional assistance is needed please email firstname.lastname@example.org.
The GeoMAC viewer has several sections, including pull-downs, navigation options, and map layers, which include Dynamic Data and Base Maps.
Map Navigation: Default Functionality
The following mouse navigation is available by default. In addition, navigation tools are located at the top of the viewer.
Pan: Drag the mouse
Pan: Use arrow keys
Zoom in: Mouse Scroll Forward
Zoom out: Mouse Scroll Backward
Center and Zoom in: Double click
Zoom in: SHIFT + Drag the mouse
Zoom out: SHIFT + CONTROL + Drag the mouse
Recenter: SHIFT + Click
Center and Zoom in: SHIFT + double Click
A zoom bar is displayed in the upper right hand corner of the viewer. Click on the tool and drag to zoom in and out of the viewer.
Latitude, Longitude Display
The latitude and longitude coordinates of the mouse position are displayed below the viewer window on the left side.
The scale is displayed next to the latitude and longitude display below the viewer window. Layers are scale dependent; you may need to zoom in to see all layer options.
Feature Identify occurs with a mouse click, which allows the user to retrieve feature specific information. Choose the Identify tool above the map. Click on a spot in the map to identify all of the associated features. If there are identifiable features, then a map information window will be displayed. This window will contain all of the identified features in a table. Clicking on the features will display general information associated with each feature. Some features have a separate links associated with them. Click on this link if applicable to display a separate web page. Navigate to the next feature by clicking on the arrow in the upper right hand corner of the identify window.
The 'Jump to Wildfire' and 'Go To' options appear at the top of the viewer. The eleven remaining tools appear in the toolbar.
Jump to Wildfire
'Jump to Wildfire' is a drop-down list of the current active perimeters. Select a wildfire to zoom in on the perimeter.
'Go To' options include the following:
Alaska: The viewer jumps to the state of Alaska. When in Alaska, the 'Go To' options include 'Continental US' to return to the lower 48 states view.
Lat/Lon: A pop-up window appears to enable the 'Jump to Lat/Lon' feature.. Enter the north latitude and west longitude values in NAD83 decimal degrees (example: Latitude: 40.00, Longitude -100.00.) Select 'Go There'. To remove current label from the viewer, select 'Clear Label'.
Place Name: A geographic name/feature lookup pop-up window, utilizing the geocode service, appears. Enter a Feature Name (required) and Feature Type and/or State if desired. To clear labels, select 'Clear Feature'.
Address: The 'Find address' pop-up window, utilizing the geocode locator service, appears. Enter Street, City, State and Zip Code, then select 'Locate' to find a known address.
The overview map located in the lower left corner of the map can be toggled on and off by clicking on the small arrow in the lower left hand corner.
Full Extent: Zooms out to the full extent of the map.
Zoom In: Zooms in on a box dragged on the map.
Zoom Out: Zooms out on a box dragged on the map.
Back: Zooms to the previous extent. Inactive until user changes extents.
Pan: Pans the map as the user drags the pointer across the map.
Identify: Allows the user to click a feature and see a list of its attributes.
Hyperlink: This tool works with the Current Fires and All Current Year Fires layers. Click on the tool, then click on a triangle. A pop up window will display the NIFC page. It also works on the RAWS layer. Click the square associated with the RAWS to display more information.
Print: Prints the map to the user's default printer. (Requires Adobe Reader v9.0 or greater)
GeoMAC layers can be accessed by clicking on the Data Layers drop down menu in the upper left hand corner of the map.
Descriptions of each layer can be displayed by clicking on the individual layer name in the following table.
The layer within the GeoMAC mapping application is turned on/off at different scale levels to minimize processing time. Some layers are displayed at all scale levels, while other layers will only appear when zoomed-in to a particular scale level.