Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.mixmin.net!weretis.net!feeder4.news.weretis.net!ecngs!feeder2.ecngs.de!newsfeeder.ewetel.de!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.006 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'else:': 0.03; 'error:': 0.05; 'subject:Error': 0.07; 'def': 0.10; 'index': 0.13; '0.0,': 0.16; '1000):': 0.16; 'dist': 0.16; 'idx': 0.16; 'received:209.85.216.53': 0.16; 'skip:\xa0 60': 0.16; '<': 0.17; 'skip:\xa0 30': 0.17; 'changes': 0.20; 'skip:" 30': 0.20; 'to:name:python-list@python.org': 0.20; 'meant': 0.21; 'statement': 0.23; 'header:In-Reply-To:1': 0.25; '(most': 0.27; 'message-id:@mail.gmail.com': 0.27; 'points': 0.29; 'skip:& 10': 0.29; 'error': 0.30; 'point': 0.31; 'file': 0.32; 'print': 0.32; 'traceback': 0.33; 'to:addr:python-list': 0.33; 'another': 0.33; 'received:google.com': 0.34; 'false': 0.35; 'continue': 0.35; 'received:209.85': 0.35; 'but': 0.36; 'skip:p 20': 0.36; 'does': 0.37; 'received:209': 0.37; 'received:209.85.216': 0.37; 'subject:: ': 0.38; 'mean': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'range': 0.60; '8bit%:100': 0.70; '71,': 0.84; '\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0': 0.84; 'exceeded': 0.97 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=XbtX2C1LEI8yfYrXBPxnyiqbZaWJZd4xAB+5d5vkbAE=; b=TZ+2o7Eo2W7sroXm7LcLHm+yEVktkz7nnW0q9QYey79YsZcfRscusZUbJAl7uFbE36 6kqZWParKC/PAuR+rPKvs0u7QBDY+jTXTCtD5eROh2okIi1eOgTPbeCYtaXLhQ0bYssk VR//rGsCPlSO2Z6uq4RvELhE4QeUWNO05rA1FrfUGEmXIpbulKxwsnpHJwiwvvEYTzaw f+CpRtmPACHSDDUBrd1yi+sZklBPypmTZX15R2W/UC3V0GZRmCOTfd0Lvd92vHTWjAZd ixTlBB1kR5WN/iA4BzP0DhJ92cEArmMe7xTr39AP6NmV7UreMEFXt81ti97MqacjN3EH dHWA== MIME-Version: 1.0 In-Reply-To: References: <50A3E794.7080900@mrabarnett.plus.com> Date: Tue, 20 Nov 2012 13:31:42 +0100 Subject: Re: Error From: inshu chauhan To: "python-list@python.org" Content-Type: multipart/alternative; boundary=047d7b6d89e8900f5104ceec6a3a X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 104 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1353414710 news.xs4all.nl 6988 [2001:888:2000:d::a6]:49298 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:33602 --047d7b6d89e8900f5104ceec6a3a Content-Type: text/plain; charset=ISO-8859-1 I did the following changes in this part of my programme.. now the refereence error is removed but its showing me another error : def ComputeClasses(data): radius = .5 points = [] for cy in xrange(0, data.height): for cx in xrange(0, data.width): if data[cy,cx] == (0.0,0.0,0.0): continue else : centre = data[cy, cx] print centre points.append(centre) change = True while change: for ring_number in xrange(1, 1000): change = False new_indices = GenerateRing(cx, cy, ring_number) for idx in new_indices: point = data[idx[0], idx[1]] if point == (0.0, 0.0, 0.0 ): continue else: dist = distance(centre, point) if dist < radius : print point points.append(point) change = True print change break print points ERROR : Traceback (most recent call last): File "Z:/modules/classification1.py", line 71, in ComputeClasses(data) File "Z:/modules/classification1.py", line 47, in ComputeClasses point = data[idx[0], idx[1]] error: index is out of range What is meant by this statement ' Index out of range ' ? 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