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Re: [Discuss-gnuradio] GSoC: Filter Design tool update

From: sreeraj r
Subject: Re: [Discuss-gnuradio] GSoC: Filter Design tool update
Date: Thu, 9 Aug 2012 12:57:50 +0800 (SGT)

Hi Mac,

Could you please specify your version of pyqt. I have tested the tool with version 4.9.1. The error has nothing to do with gnuradio version.
Sreeraj Rajendran

From: Mac A. Cody <address@hidden>
To: address@hidden
Sent: Thursday, 9 August 2012 9:56 AM
Subject: Re: [Discuss-gnuradio] GSoC: Filter Design tool update


I downloaded your updates to the filter design tool from

https://github.com/zeroXzero/gr-filtdes (zeroXzero-gr-filtdes-6cd8f37.zip)

After unzipping the archive, I followed the build instructions, using

the cmake command, as follows:

/home/mcody/.../zeroXzero-gr-filtdes-6cd8f37 /usr/local

The build and install appeared to proceed well, but when I execute

gr_filter_design at the command prompt, I get the following error message:

Traceback (most recent call last):

  File "/usr/local/bin/gr_filter_design", line 55, in <module>
    from filtdes.banditems import *
  File "/usr/local/lib/python2.6/dist-packages/filtdes/banditems.py", line 193, in <module>
  File "/usr/local/lib/python2.6/dist-packages/filtdes/banditems.py", line 79, in __init__
    self.poly << QtCore.QPointF(3,5)
TypeError: unsupported operand type(s) for <<: 'QPolygonF' and 'QPointF'

Prior to running gr_filter_design, I had to set LD_LIBRARY_PATH

to /usr/local/lib.

I don't know what I am doing wrong. Should your distribution be placed in

a specific location?  I am using GNU Radio 3.6.1git-47-g884c23ef if that
is of any help. I am running Kubuntu 10.04.


Mac / AE5PH

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