gdal_retile question

Question

I have been trying to get gdal_retile working with the --optfile command. At first it did not work because in my files.txt I have '-' characters in the filename. I tried adding quotes around the files, and that seemed to work, but then gdal_retile would just freeze. So I have two questions:

1. Would using the --opfile command essentially be the same thing as calling gdal_retile from the command line once for every single file I have? Would I get the exact same results?

2. Does gdal2tiles do the same exact thing?

Thanks! Derek

Answer 1

1. The optfile is just added appended to the list of other arguments. This question may help.

2. Gdal2tiles creates raw tiles for use in web mapping that can be used directly with API's such as Google Maps. gdal_retile creates tiles that sever software like geoserver can use.