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Re: [Discuss-gnuradio] gr_filter_design issue

From: sreeraj r
Subject: Re: [Discuss-gnuradio] gr_filter_design issue
Date: Mon, 27 Oct 2014 23:40:38 +0530

qt4 4.8.6, python2-pyqt4 4.11.2, qwt 6.1.0 and python2-numpy 1.9.0 on Archlinux.

On Mon, Oct 27, 2014 at 7:09 PM, Tom Rondeau <address@hidden> wrote:
On Sun, Oct 26, 2014 at 5:10 AM, sreeraj r <address@hidden> wrote:

I just noticed that "gr_filter_design" is throwing numpy error and fails to start (with latest gnuradio-git).  I could atleast find one more guy complaining about this (http://stackoverflow.com/questions/25882030/gnuradio-filter-design-tool/26142876#26142876).

The issue in my case was with

>> from PyQt4.Qwt5.anynumpy import *  (line no 25 in polezero_plot.py).

Code works fine if I replace the above line with

>>from numpy import zeros
>>from numpy import float as Float

Anyone else facing the same issue or is this only with my Qt4 package? (just launch "filter-design" tool from GRC and try playing with pole-zero plot)

Sreeraj Rajendran

 What versions of: QT, QWT, and numpy are you using?


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