Path: csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed6.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 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'subject:using': 0.04; 'array.': 0.09; 'callable': 0.09; 'from:addr:python': 0.09; 'error:': 0.10; 'equation.': 0.16; 'from:addr:mrabarnett.plus.com': 0.16; 'from:name:mrab': 0.16; 'message-id:@mrabarnett.plus.com': 0.16; 'numpy': 0.16; 'received:84.92': 0.16; 'received:84.92.122': 0.16; 'received:84.92.122.60': 0.16; 'reply-to:addr:python-list': 0.16; 'subject:array': 0.16; 'looked': 0.16; 'wrote:': 0.18; 'this?': 0.19; 'trying': 0.21; 'header:In-Reply-To:1': 0.22; 'mask': 0.23; 'module,': 0.23; 'numeric': 0.23; 'skip:m 30': 0.24; 'says': 0.25; 'module.': 0.29; 'looks': 0.29; "skip:' 10": 0.29; 'error': 0.29; 'array': 0.30; 'typeerror:': 0.30; 'url:au': 0.31; 'does': 0.32; 'values': 0.32; 'header:User-Agent:1': 0.33; 'object': 0.33; 'to:addr:python-list': 0.34; 'received:84': 0.34; 'reply- to:addr:python.org': 0.34; 'something': 0.35; 'greatly': 0.36; 'but': 0.37; 'another': 0.37; 'using': 0.38; 'created': 0.38; 'same.': 0.39; 'url:docs': 0.39; 'appreciated.': 0.39; 'to:addr:python.org': 0.40; 'your': 0.61; 'results': 0.63; 'header :Reply-To:1': 0.71; 'reply-to:no real name:2**0': 0.72; 'article': 0.74; 'subject:one': 0.77 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.0 cv=TvRkdUrh c=1 sm=1 a=0nF1XD0wxitMEM03M9B4ZQ==:17 a=9jsOeB20M3cA:10 a=Jlqmuwbh_fMA:10 a=OUOv7kDek9cA:10 a=8nJEP1OIZ-IA:10 a=ef5H16HOAAAA:8 a=--e6yTRJSANREqZ0wvgA:9 a=wPNLvfGTeEIA:10 a=0nF1XD0wxitMEM03M9B4ZQ==:117 X-AUTH: mrabarnett:2500 Date: Tue, 22 Nov 2011 00:48:42 +0000 From: MRAB User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: python-list@python.org Subject: Re: mask one array using another array References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: python-list@python.org 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: 29 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1321922919 news.xs4all.nl 6849 [2001:888:2000:d::a6]:37827 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:16061 On 21/11/2011 21:42, questions anon wrote: > I am trying to mask one array using another array. > > I have created a masked array using > mask=MA.masked_equal(myarray,0), > that looks something like: > [1 - - 1, > 1 1 - 1, > 1 1 1 1, > - 1 - 1] > > I have an array of values that I want to mask whereever my mask has a a '-'. > how do I do this? > I have looked at > http://www.cawcr.gov.au/bmrc/climdyn/staff/lih/pubs/docs/masks.pdf but > the command: > > d = array(a, mask=c.mask() > > results in this error: > TypeError: 'numpy.ndarray' object is not callable > > I basically want to do exactly what that article does in that equation. > > Any feedback will be greatly appreciated. > The article is using the Numeric module, but your error says that you're using the numpy module. They're not the same.