[GIS] Creating Garmin GPS compatible map using TFW+tiff files

Question

I have complete set of 1:50000 maps of Sri Lanka in .tiff format. They have .TFW files accompanied with them. Now I need to create maps to use with my etrex 20 device using those tiff files. How can I do it?

Answer 1

Garmin Products require JPEG format

You Can use Google Earth to Create Custom Maps for Garmin

"Garmin Custom Maps require your map be saved in JPEG format. If your map is printed, scan the map at an appropriate resolution¹, and save the image as a JPEG. If your map is electronic, such as a PDF, it may require conversion using GIMP or another suitable program to save it as a JPEG."

http://www8.garmin.com/outdoor/custommaps_instruct.pdf