Directions for linking LANDSAT single band Images
These directions naturally continue after bands are downloaded because bands must be linked before using.
Background requirements: Downloaded and familiarity with the free MultiSpec© software and tutorial. (See http://cobweb.ecn.purdue.edu/~biehl/MultiSpec/Index.html); downloaded images from Ohiolink (refer to the direction sheet titled: Directions For Obtaining Ohio LANDSAT Images); a basic understanding of satellite images is helpful (i.e. bands, false color imaging, resolution).
- Open MultiSpec© software.
- Click File.
- Select Open Image.
- Select the folder where your band images are downloaded.
- Click the first band image. If it does not show on the list, change the Files of type to: All Files (*.*). Click Open. Click OK in next 2 screens. A black and white image will appear.
- Click File.
- Select Open Image.
- Select "link to active image window” by placing a check in the box in the lower left hand corner of the screen.
- Select the second band image. The order of linking is important. Link in numerical order. Click Open.
- Select the next band image. Notice the linking box is checked. Click Open.
- Repeat linking of all desired bands from the same image date.
- Select Cancel on the screen when all desired band images are linked. The number of linked images is indicated in the image title at the top as LX, with X indicating the number of linked images.
- Click Processor. Select Reformat. Select Change Image File Format. Click OK at next screen.
- Rename your file with a descriptive name and extension .tif such as: Toledo Sept 9 05 b345.tif The computer will take a little while to reformat and save the file. It will display % done as it reformats. Click OK. Close your file.
You are now read to do any of the following processes.
- Subset to make a smaller sized area and document
- False color your image to show different features better
- Combine 2 images from different dates to show differences better.
- Classify ground areas