Digital Maps Library

• dpi: “dots per inch” refers to the number of points of ink or “dots”…

 

• ppi: “ppi” stands for “points/pixels per inch and is the measurement of the quality of an image. 300ppi is the ideal resolution for print images to appear the best. 72ppi is the ideal resolution for images

 

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CHROME (Google)

1. Open a new browser tab
2. Click “Chrome” in the menu bar at the top of the screen
3. Select “Preferences”
4. Click “Show advanced settings…” at the bottom of the “Preferences” tab
5. Click the “Content settings…” button under the “Privacy” header
6. Under the JavaScript header, make sure that “Allow all sites to run JavaScript (recommended)” is checked
7. Click the “Done” button
8. Close the “Preferences” tab
9. Refresh the library window by clicking the circular arrow at the left end of the URL bar

 
EDGE (Microsoft)
instructions coming soon
 
FIREFOX (Mozilla)

1. Open a new browser window
2. Type “about:config” in the URL bar
3. Click the “I accept the risk” button
4. Find “javascript.enabled” in the list and double click it (the status in the “Value” column will switch from “False” to “True”
5. Close the “about:config” window
6. Refresh the library window by clicking the circular arrow at the right end of the URL bar

INTERNET EXPLORER (Microsoft)
instructions coming soon
 
OPERA
instructions coming soon
 
SAFARI

1. Click “Safari” in the menu bar at the top of the screen
2. Select “Preferences”
3. In the “Advanced” tab (picture of a gear) of the “Preferences” window, make sure that “Show Develop menu in menu bar” is checked (at the bottom of the window)
4. Close the “Preferences” window
5. Click “Develop” in the menu bar at the top of the screen
6. Make sure that “Disable JavaScript” is not checked
7. Refresh the library window by clicking the circular arrow at the right end of the URL bar