Hi... gVirtualX->WriteGIF(...) and gVirtualX->WritePixmap(gPad->GetPixmapID(),...) do not work when running in batch mode, correct? At least they didn't seem to when I tried. Is that something specific to the Qt-based distribution? thanks, Brant C. Valeri Fine wrote: >Hello Brant , >Check: >http://root.bnl.gov/QtRoot/QtRoot.html#gifbatch > My best regards, Valeri > > > >>-----Original Message----- >>From: owner-roottalk@pcroot.cern.ch >> >> >[mailto:owner-roottalk@pcroot.cern.ch] > > >>On Behalf Of brant c. >>Sent: Saturday, June 21, 2003 6:00 AM >>To: roottalk@pcroot.cern.ch >>Subject: [ROOT] image generation questions >> >>Hi all, >> >>I am a ROOT newbie, trying to build some ROOT code that >> >> >processes/plots > > >>data, generates images, and distributes the images over the web (as in >> >> >a > > >>cgi script). Ideally, this code would just print the image file data >> >> >to > > >>standard output, so executing it as a cgi script would produce an >> >> >image > > >>on a web browser. As such, I think it has to run in batch mode... >> >>I am looking for a way to: >>a) generate an image in batch mode. >>b) print the image file data to standard output, preferably without >>first writing to disk. >> >>It would be possible to write the pad contents as a postscript or svg >>file, convert the file, and concatenate the results to standard >> >> >output, > > >>and remove the file, but I would like to avoid file i/o (simultanious >>users will confuse the system) and other external programs as much as >>possible. >> >>I don't know if the TImage::FromPad(...) function will work in batch >>mode because I've been having issues getting ROOT to compile with >>asimage enabled (library version issues on my end, I think). >> >>The application is for visualization of high-energy cosmic ray shower >>data for the CHICOS project (http://www.chicos.caltech.edu/). Part of >>the purpose of distributing the images over the web is to allow high >>school instructors to use it in class activities. >> >>Thanks, >> >> Brant Carlson >> (Caltech UG, working for Prof. Bob McKeown) >> >> > > > > >. > > >
This archive was generated by hypermail 2b29 : Thu Jan 01 2004 - 17:50:12 MET