By google, I find this tiff image merging control which can achive the merging of two or more tiff image files. Here is the API, you can find more code by youself. http://www.rasteredge.com/how-to/vb-net-imaging/tiff-merge/
Public Overrides Function MergeDocument(appendDoc As BaseDocument) As BaseDocument -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/b5323e305d5143b7a4d13838bf75120a%40ruby-forum.com. For more options, visit https://groups.google.com/groups/opt_out.