| Week of January 29 |
| Today’s agenda: | ||
| Announcements & reminders | ||
| Assignment #1 is due today | ||
| File encryption for peace-of-mind | ||
| Printing, the never-ending saga … | ||
| New MFworks operations | ||
| Assignment #3 | ||
| Work session for Assignment #2 & #3 | ||
| Announcements & Reminders |
| Assignment #2 is due next week | ||
| What to do if your Zip disk experiences “problems” | ||
| Do NOT initialize the disk | ||
| See Joe in 2215 to recover the information | ||
| If Joe is not around - slip the disk under his door with a note explaining the problem and your name | ||
| If you haven’t done so already, Submit Assignment #1 |
| Apple File Security |
| You can use this to prevent others from looking at or using your work | |
| You can do this to files you are leaving on the hard-drive in the User-files (temp) folder |
| How to do it |
| Open the “items for GISCI” folder on the desktop | |
| Double-click “Apple File Security” | |
| Select the name of the file you wish to encrypt |
| Fill in the passphrase dialog box |
| The result… |
| The file is secure from others | |
| Double-clicking the file will prompt you for the passphrase | |
| Secure files have a small “key” in their icon |
| Printing |
| Latest news is …we can print! | |
| Printing will be to the GIS lab Black and White laser printer | |
| No need to change any options or settings when you do print | |
| Do not change the default printer |
| New MFworks operations this week |
| Boolean operations: NOT, AND, OR | |
| Combine | |
| Cross |
| Boolean operations: NOT |
| MFworks NOT |
| Boolean operations: AND |
| MFworks AND |
| and_example = "input layer 1" AND "input layer 2" ; |
| Boolean operations: OR |
| MFworks OR |
| or_example = "input layer 1" OR "input layer 2" ; |
| Combine |
| Generates a new map | |
| Works on n input maplayers | |
| Each zone in the new map identifies a unique combination of values from the input layers |
| MFworks Combine syntax |
| “combine-example” = Combine "input layer 1" with "input layer 2” ; |
| Combine in action |
| Another Combine example |
| using combine to compare an old map of forest cover with a new map of forest cover. |
| Slide 20 |
| Cross |
| The Cross operation performs map layer cross tabulation | |
| It works like a Recode + Combine operation where you assign values to specific zones in the output map layer by combining values from the input map layers |
| MFworks Cross syntax |
| "cross-example" = Cross "input layer 1" and "input layer 2" | |
| Assigning 0 To 0 With 0 | |
| Assigning 1 To 1 With 0 | |
| Assigning 2 To 0 With 1 | |
| Assigning 3 To 1 With 1 ; | |
| Cross in action |
| Cross |
| Another Cross example |
| Assignment #3 |
| Spatial Multicriteria Decision Making | ||
| Using a GIS to find a place to live | ||
| What are some criteria to consider when choosing a residence? | ||
| Data files for this assignment are found in two folders in the Geog280b folder on the OSX1B drive: | ||
| Assignment #3 is due the week of Feb. 12 |
| Remainder of today |
| Work session on Assignments #2 and #3 | |
| Any questions? |