I don't think setting the variable has any effect on the build process. Unless you change the make script, it's likely that a build will put the outputs (binary executable and tessdata) in the same locations, overwriting outputs from previous builds.
On Jan 6, 12:44 am, 74yrs old <[email protected]> wrote: > Thanks for the valuable guidance. Since the issue is not clear to me(newbie > to linux), it is presumed that one has to use commandline as follows: > At the time of installation of *each* version separately, the commandline > will be as follow: > {all tessdata(three) of different versions of tesseract under tesseract > 2.03/ tesseract 2.04 and tesseract 3.04 folders - will be in home viz. * > sriranga} > > * 1)*for version 2.03* > tessdata_prefix = "* Sriranga/ *" > ./configure > make > sudo make. > > 2)*for version 2.04* > tessdata_prefix = "* Sriranga/ *" > ./configure > make > sudo make. > > 3)*for version 3.0* > tessdata_prefix = " *Sriranga/* " > ./configure > make > sudo make. > > With regards, > -sriranga(77yrsold) > > On Wed, Jan 6, 2010 at 7:16 AM, nguyenq <[email protected]> wrote: > > As instructed inhttp://code.google.com/p/tesseract-ocr/wiki/ReadMe: > > > export TESSDATA_PREFIX="directory in which your tessdata resides/" > > > Note that the directory path must end in a /. > > > Since you have the data in different places for different versions, > > you would need to export everytime you switch version. > > > On Jan 5, 12:38 am, 74yrs old <[email protected]> wrote: > > > Thanks for the clarification. Since I am newbie to Linux, will you please > > > explain with sample commandline or screenshot how to set the location of > > > tessdata. whether it should be done at the time of installation of each > > > version? > > > > On Tue, Jan 5, 2010 at 12:57 AM, nguyenq <[email protected]> wrote: > > > > I think you can set the location of tessdata via the environment > > > > variable TESSDATA_PREFIX for each instance. > > > > > On Jan 4, 2:11 am, 76yrsold <[email protected]> wrote: > > > > > I have downloaded tesseract versions(all) viz 2.03 , 2,04 and 3.0. > > > > > and all compiled in ubuntu 9.04 individually. and also installed > > > > > Kannada tessdata files at the time of installation of tesseract 2.03 > > > > > only i have not installed tessdata files in other versions viz. 2.04 > > > > > and 3.0. > > > > > When I run in tesseract-ocr 2.03, 2.04 and 3.0 same error message > > > > > will displayed. > > > > > In fact, I have not installed separate kannada tessdata files for > > each > > > > > of versions viz. 2.04 and 3.0 > > > > > It appears all versions of tesseract-ocr uses same kannada datafiles > > > > > installed in 2.03 and displayed output. > > > > > This proves that all versions of tesseract-ocr does not have its > > > > > independent folder including tessdata just like in WinXP. > > > > > > In WinXP it works independently provided for each versions should > > > > > have separate datafiles under folder "Tessdata". If run in > > > > > tesseract-0cr 3.0 error message will displayed for <lang> > > > > > traindeddataone > > > > > > Since I am not well versed with linux, seeking valuable guidance how > > > > > to make run different versions of tesseract run independently in > > linux > > > > > without using same single tessdata folder. I may be wrong in coming > > > > > to conclusion. > > > > > With regards, > > > > > -sriranga(77yrsold) > > > > > -- > > > > > You received this message because you are subscribed to the Google > > Groups > > > > "tesseract-ocr" group. > > > > To post to this group, send email to [email protected]. > > > > To unsubscribe from this group, send email to > > > > [email protected]<tesseract-ocr%[email protected]> > > <tesseract-ocr%[email protected]<tesseract-ocr%[email protected]> > > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/tesseract-ocr?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "tesseract-ocr" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<tesseract-ocr%[email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/tesseract-ocr?hl=en.
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