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From: Ingo Assenmacher <Ingo.A<ssenmacher@im...>  20101124 13:40:50

A problem in the current dev version of flowvrrender. I searched for the current problem of segfaults at the launch of a flowvrrender module: * we are not exporting the FLOWVR_(RENDER)_PREFIX anymore during compilation, so the FilePath code was altered during compilation to a default one that was probably not very well tested. * the chunkwriter in flowvrrender in a similar construction was using the environment variable "FLOWVR_PREFIX" to locate resources (which is equivalent to CMAKE_INSTALL_PREFIX), so shaders were not found correctly. * the launch script for the flowvrrender example was not exporting a proper environment variable for where to locate the resources. So in the current case, it was simply not finding any shader at all (as the default path was not compiled into the code). I fixed all that (see changeset [5082], [5084]), so demos should work now again. As a general remark: make sure all paths are setup correctly when launching you application. Ingo. 
From: antoine vanel <antoine.vanel@im...>  20101117 13:41:42

On Wed, 17 Nov 2010 02:54:48 +0100, Ignacio Galindo <joigama@...> wrote: > Hello all, Hi Ignacio, > I've been testing the examples, especially the primes one, I was playing > with them distributing the modules between 2 pcs over ubuntu 10.04 64 > bits, > it goes well. > > When I try to trace the application I'm forced to especify some > parameters > like > > P"primes:trace=1 primes=example=x" I note that you used a '=' instead of ':' specifying the parameter 'example' value. (you should write primes:example=X) Maybe it's a typing error :) > > The traces work "fine" just with the examples 13, but the compute > modules > doesn't seem to be working, in the visu window I see the axis and I can > rotate them from the capture module which is in other pc, the visu and > capture iterations are updating in the captions except for the > compute,the > next captions are : "Prime numbers computed: 0" and "Prime Compution time > (last iteration): Error". Ok. The examples 0,1 and 2 don't instanciate a 'compute' modules. It's done on purpose, as primes is dedicated to be a tutorial. The example 3 does instanciate a 'compute' module, but (see the comments directly in the source code) : // Only use 1 to 1 connections. // Set the compute metamodule // Use a greedy (resampling) pattern on keys input port of visu to asynchronize visu from capture. // Use a maxfrequency synchronizer on capture to control its frequency. // This example fails if more than one host is assigned to the Compute metamodule. Use in this case the newt example. > > Anyway after stopping the application move the logs (generated by fwrite) > into one pc and run flowvrgltrace,the traces are just fine. > > I've read that the 4 and 5 examples are for working with many instances > of > the compute module. For this ones, I get every module working fine, but I > can't visualize the traces. > > > The errors shown at parsing the xml file with the flowvrgltrace > primes.gltrace.xml are: > > *Example 4* > > *Error* > ****** flowvrgltrace's ERROR ******* > 1  source event reference 'primes/Merge/Node/Merge:in' not found in > link 'primes/Merge/Node/Merge:wait' defintion > > *CSV file used:* > ,10.10.27.10,10.10.27.20 > primes/compute,2,2 > primes/capture,1, > primes/visu,,1 > * > Example 5 > > Error > > ******* flowvrgltrace's ERROR ******* > 1  source event reference 'primes/greedyPrimes/ComIn/Node/Merge:in' > not > found in link 'primes/greedyPrimes/ComIn/Node/Merge:wait' defintion > 2  source event reference > 'primes/greedyPrimes/ComIn/Tree0/Node/Merge:in' not found in link > 'primes/greedyPrimes/ComIn/Tree0/Node/Merge:wait' defintion > 3  source event reference > 'primes/greedyPrimes/ComIn/Tree1/Node/Merge:in' not found in link > 'primes/greedyPrimes/ComIn/Tree1/Node/Merge:wait' defintion > 4  source event reference > 'primes/greedyPrimes/ComStamps/Node/SignalAnd:in' not found in link > 'primes/greedyPrimes/ComStamps/Node/SignalAnd:wait' defintion > * > CSV file used: > *,10.10.27.10,10.10.27.20 > primes/compute,2,2 > primes/capture,1, > primes/visu,,1 > Ok, i've found the bug and just commited the fix in both 'development' and 'trunk' branches of svn. Try to do an update on your sources, and let me know if you still have the problem. > > I'm probably wrong at using the example parameter... > > Any idea of what am I doing wrong? > > Thanks beforehand > Hope it helps, Antoine 
From: Ignacio Galindo <joigama@gm...>  20101117 01:54:57

Hello all, I've been testing the examples, especially the primes one, I was playing with them distributing the modules between 2 pcs over ubuntu 10.04 64 bits, it goes well. When I try to trace the application I'm forced to especify some parameters like P"primes:trace=1 primes=example=x" The traces work "fine" just with the examples 13, but the compute modules doesn't seem to be working, in the visu window I see the axis and I can rotate them from the capture module which is in other pc, the visu and capture iterations are updating in the captions except for the compute,the next captions are : "Prime numbers computed: 0" and "Prime Compution time (last iteration): Error". Anyway after stopping the application move the logs (generated by fwrite) into one pc and run flowvrgltrace,the traces are just fine. I've read that the 4 and 5 examples are for working with many instances of the compute module. For this ones, I get every module working fine, but I can't visualize the traces. The errors shown at parsing the xml file with the flowvrgltrace primes.gltrace.xml are: *Example 4* *Error* ****** flowvrgltrace's ERROR ******* 1  source event reference 'primes/Merge/Node/Merge:in' not found in link 'primes/Merge/Node/Merge:wait' defintion *CSV file used:* ,10.10.27.10,10.10.27.20 primes/compute,2,2 primes/capture,1, primes/visu,,1 * Example 5 Error ******* flowvrgltrace's ERROR ******* 1  source event reference 'primes/greedyPrimes/ComIn/Node/Merge:in' not found in link 'primes/greedyPrimes/ComIn/Node/Merge:wait' defintion 2  source event reference 'primes/greedyPrimes/ComIn/Tree0/Node/Merge:in' not found in link 'primes/greedyPrimes/ComIn/Tree0/Node/Merge:wait' defintion 3  source event reference 'primes/greedyPrimes/ComIn/Tree1/Node/Merge:in' not found in link 'primes/greedyPrimes/ComIn/Tree1/Node/Merge:wait' defintion 4  source event reference 'primes/greedyPrimes/ComStamps/Node/SignalAnd:in' not found in link 'primes/greedyPrimes/ComStamps/Node/SignalAnd:wait' defintion * CSV file used: *,10.10.27.10,10.10.27.20 primes/compute,2,2 primes/capture,1, primes/visu,,1 I'm probably wrong at using the example parameter... Any idea of what am I doing wrong? Thanks beforehand  Ignacio Galindo 
From: antoine vanel <antoine.vanel@im...>  20101105 11:45:00

Hi all, We planned to commit important changes in the development branch of the flowvr svn, as we are working on a new release. For users and developers who need a working version, i tagged the current one, available here : https://wikiflowvr.imag.fr/svn/flowvrsuite/tags/flowvrdevbranch_05112010 You are strongly adviced to use this version, as the dev branch may not compile well, or lead to errors with different projects during next weeks. Regards, Antoine 