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Introduction
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Background
Processing notes
Technical information
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Reproductions
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Updated version of this collection now available at http://cdm15942.contentdm.oclc.org/cdm/landingpage/collection/p15942coll19

Viewing instructions

No special viewers are needed to view the digitized maps in this collection. Your Internet browser automatically shows the digitized maps, allowing you to zoom in and out of the areas that you wish to examine. This view also allows saving and copying of map images, using the right-click menu.

Please note that the maps on this site may take some time to load, depending on both the speed of your computer and your Internet connection.

For users who may wish to pan, rotate, print and save images, we offer two other methods of viewing the map images: with JAVA, and with the MrSID Plug-in.

JAVA
To use this viewing option, you must have Java enabled on your computer.
To manipulate the maps, please use the toolbar at the top of top of the viewing window or right-click on the map image for a menu.
JAVA TOOLBAR OPTIONS - Click on one of tools to set the action and then click on the map image.
Zoom in To zoom-in to the next magnification level, click on the image. The applet then retrieves image from the next MrSID level centered at the location of the mouse-click. To zoom-in to a specific rectangular area, click the mouse and drag it to select the rectangle. Release the mouse when done selecting. The applet then retrieves the appropriate image from server.
Zoom out Zoom-out mode allows you to go up one level of the MrSID image. Click on the image to zoom-out one level.
Pan Click-and-drag the hand tool across the image. The entire image drags across the viewing window; when the mouse button is released, the image refreshes at the new location.
Full image Click once to view the entire image in the viewing window.
Image properties Click once for information on the viewed image, including the area of the image currently in the viewing window.
MrSID Java Applet Click once for information about the MrSID Java Applet.
 

JAVA RIGHT-CLICK OPTIONS - Right-click on the image for these menu choices:

  • Zoom in, zoom out, pan, full image - See description above for same toolbar options.
  • Resize control - Enlarge or decrease the size of the viewing window (or frame).
  • Image properties, and About MrSID Applet - See description above for same toolbar options.
  • Help with Applet - Directs user to help files for LizardTech MrSID Java Applet Version 1.0.
MrSID Plug-in
To use this option, you must download the free MrSID Plug-in from Lizard Tech.
To manipulate the map images, use the toolbar at the top of the viewing window or right-click on the image for menu options.
MrSID TOOLBAR OPTIONS - Click on one of tools to set the action and then click on the map image to:
Zoom in Each click on the image zooms in on the point clicked at a 2:1 ratio.
Zoom out
Each click on the image zooms out on the point clicked at a 2:1 ratio.
Zoom selection Click-and-drag the pointer tool across an area of the image. The specified area is brought into the viewing window.
Pan Click-and-drag the hand tool across the image. The entire image drags across the viewing window; when the mouse button is released, the image refreshes at the new location.
Full image Click once to view the entire image in the viewing window.
Image properties Click once for information on the viewed image, including the area of the image currently in the viewing window.

About MrSID

Click once for information about the MrSID Online Viewer.

Zoom-level Indicator
Indicates the currently viewed zoom level. Also indicates the number of zoom levels available in the currently viewed image. To zoom to a specific level, click on the preferred indicator bar.
 
MrSID RIGHT-CLICK OPTIONS - The menu also allows the resizing of the viewing window, rotation of the image, and printing. Right-click on the image for these menu choices:
  • Zoom in, zoom out, zoom selection and pan - See description above for same toolbar options.
  • Scale - Nine options from 1:1 (100%) to 1:256 (0.39%).
  • Fit to Frame - Full image displayed within frame (or display window).
  • Frame Size - Enlarge or decrease the size of the viewing window (or frame).
  • View in Frame - Toggle on/off viewing window toolbar
  • Rotate image - 90, 180, 270 degree rotations, horizontal or vertical flip options
  • Save image - MrSID, bitmap and JPEG options
  • Print image - Using the right-click print option prints only the map image; no other data in the browser window will be printed. To print all the data in the browser window, select Print from the browser's File menu.
  • Image properties - See description above for same toolbar option.
  • About MrSID Plug-in - See description above for same toolbar option