descartes-general Mailing List for descartes: a function and data plotter
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descartes-general — help on usage, discussion about further development
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From: Om h. v. G. <in...@go...> - 2008-03-20 16:22:28
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http://goodtree.com/invitations/54075084?version=16&a=c4f1a Please accept my invitation to the website that is connecting all the good people around us. Be Good, Om herman --- This email sent by man...@ya... through GoodTree LLC., 703 Market St. #470, San Francisco, CA 94103. No more invites, please: http://goodtree.com/opt_out?i=54075084&a=c4f1a |
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From: Joachim W. <wu...@we...> - 2006-10-20 11:03:14
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Bad news: descartes is broken. The scipy library on which it depends has undergone a major reorganisation; the scipy.plt module is no longer supported. Is there anyone willing to change descartes' plotting frontend from scipy.plt to matplotlib? - Joachim _____________________________________________________________________ Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! http://smartsurfer.web.de/?mc=100071&distributionid=000000000066 |
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From: Joachim W. <wu...@we...> - 2006-10-18 13:33:20
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scipy seems to have changed. simply try to replace "from scipy=5Fbase" by "from scipy". please report back to the mailing list whether this helps. good luck - Joachim =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Viren-Scan f=FCr Ihren PC! Jetzt f=FCr jeden. Sofort, online und kostenlos. Gleich testen! http://www.pc-sicherheit.web.de/freescan/=3Fmc=3D022222 |
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From: Herman S. <man...@ya...> - 2006-10-18 12:56:59
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Hello there,=0A=0AI would like to use Descartes to make plots of data such = as contained in the file 'bulb.csv' (in your 'demo' folder). I started to = learn making plots just by following your simple guide as follows (see your= website, page: 'download.html').=0A=0A'MS Windows: open the descartes.py a= pplication with a python interpreter (e.g. wpython of the Enthought distrib= ution). '=0A=0AWhen I opened the file 'descartes.py' with the Python GUI of= Enthought Edition and run it, I got the following error message:=0A=0ATrac= eback (most recent call last):=0A File "D:\Installs\Plotter\descartes-0-7\= descartes.py", line 65, in -toplevel-=0A from scipy_base import array=0A= ImportError: No module named scipy_base=0A>>> =0A=0AWhat has happened? Cou= ld somebody help me resolving this problem please, oo please? Is there any= informative manual out there that can help some one like me who knows noth= ing about Phyton, to become able to generate plots with Descrates?=0AThank = you for your help.=0AHerman Syah.=0A=0A |
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From: Koers G. <gk...@et...> - 2006-08-21 14:21:27
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Just installed descartes, now trying to run it using latest stable
Python 2.4 Enthought edition. This is what I get:
=20
File "C:\bin\descartes\descartes.py", line 65, in ?
from scipy_base import array
ImportError: No module named scipy_base
=20
I'm new to python but have googled for scipy_base and found bogus
results. Is this a scipy version problem? I would like to try out your
software, please help
=20
Greetings,
=20
gk
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From: Les L. <140...@va...> - 2006-08-17 14:43:21
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<HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=windows-1252"> </HEAD> <BODY> <DIV><FONT size=1><img src="cid:2PJVC3KZEX2JI4UPBK5T"></FONT></DIV> <DIV><FONT size=1>of all explain how you were teaching last summer in England</FONT></DIV> <DIV><FONT size=1>answering, he nodded, and we set off. It took us some ten or fifteensaw me coming and came idly and Edwardianly down the hummock and athey-whoever "they" were-would have had to be very close to see more</FONT></DIV> <DIV><FONT size=1>farmstead behind us. I looked up, and saw a white figure at one of thetried to be lighter. "Why must I be tormented like this?" "Is kissing</FONT></DIV> <DIV><FONT face="Arial" size=1>knocked glasses over at table, stumbled over roots in the forest. Hisevening he told me more, which confirmed my diagnosis. "It seemed</FONT></DIV> <DIV></DIV> </BODY></HTML> |
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From: Joachim W. <wu...@we...> - 2005-09-21 19:21:17
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Dear subscribers, I would like to inform you that I initiated a partial rewrite of descartes= . The main goal is to make the overall structure of the program more transpa= rent, and to replace some sections of the code that have ecome particularly obsc= ure. Starting with the next release, the descartes source will be split in more= than one file. Please let me know, if you think this might prove impractical. Secondly, the new descartes will have only one window that is vertically s= plit. On the left side, about 1/3 of the frame will contain the item list. Plott= ing will go to the 2/3 frame on the right. Plot range control will be in a top-level t= ool bar. Here again, please let me know if you have any objections. The release date is still uncertain; please write to my private mail addre= ss if you want an evaluation copy of the rewritten source. Cheers, Joachim =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Mit der Gruppen-SMS von WEB.DE FreeMail k=F6nnen Sie eine SMS an alle=20 Freunde gleichzeitig schicken: http://freemail.web.de/features/=3Fmc=3D021179 |
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From: Joachim W. <wu...@we...> - 2005-09-21 19:12:22
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Beste Mario, dank U wel voor U mail, > what that software does is far to much for my needs: I just want =20 > something Open Source (I want to involve my pupils in the project) If you are using the computer in a math course, there is little chance tha= t you will have time to involve your students in the internals of a plotting= program. At best, you could aim at getting the students to modify little numeric scripts; within descartes, for instance, the user can add a plugin= that contains a function definition. btw: I will be glad to discuss with you the pedagogical aspect of your pro= ject; since this is a little bit out of the scope of the descartes mailing list,= please feel free to write to my private email address (and feel free to write in = Dutch). Just tell me more precisely what you expect the students to do. > that =20 > is able to draw one or more f(x) =3D ... and possibly compute tangent =20 > lines... other fancy things like derivatives or integrals and area =20 > between two or more curves/axes, zero or maxima, could also be nice but = =20 > can come later... It is a reasoned decision that descartes allows you to plot whatever f(x) = you like, but not to perform algebraic manipulations like calculating a deriva= tive - this, again, is more a pedagogical than a technical topic. >=20 > I have written, in just two hours work, a small almost working python =20 > thing based on wxglade and Gnuplot. before I go on, I will have a look = =20 > at your project, but I don't want to make too much pressure: if the =20 > pupils are going to participate, then it will be difficult to mainain =20 > stability... I don't know. actually my fear is that I ask: "who of =20 > you has linux at home" and they stare at me wondering which language I =20 > am speaking. It depends. Among my twenty 17-years-old students, two had Linux at home, but I guess that's an above-average score. I don't know if wxglade also runs on windows, I =20 > understood that your software does... =20 > why don't you put it into the =20 > sourceforge cvs system=3F The zip file which is available for download at the descartes project site= contains the entire source (just one Python file, but this will change in the future); so I do not see any advantage in using cvs. Best regards, Joachim =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Mit der Gruppen-SMS von WEB.DE FreeMail k=F6nnen Sie eine SMS an alle=20 Freunde gleichzeitig schicken: http://freemail.web.de/features/=3Fmc=3D021179 |
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From: Mario F. <mf...@zo...> - 2005-09-21 16:02:25
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Beste Joachim, I came across your program because I was planning to register a project =20 in sourceforge and I did not want to make any duplicates... but I'm =20 not so sure if your descartes has to do with my pygrapher... I studying to become a math teacher. at school where I am following a =20 stage they use a closed source product named geocadabra, which =20 obviously only runs on windows based machines and is developed by a =20 colleague math teacher. what that software does is far to much for my needs: I just want =20 something Open Source (I want to involve my pupils in the project) that =20 is able to draw one or more f(x) =3D ... and possibly compute tangent =20 lines... other fancy things like derivatives or integrals and area =20 between two or more curves/axes, zero or maxima, could also be nice but =20 can come later... I have written, in just two hours work, a small almost working python =20 thing based on wxglade and Gnuplot. before I go on, I will have a look =20 at your project, but I don't want to make too much pressure: if the =20 pupils are going to participate, then it will be difficult to mainain =20 stability... I don't know. actually my fear is that I ask: "who of =20 you has linux at home" and they stare at me wondering which language I =20 am speaking. I don't know if wxglade also runs on windows, I =20 understood that your software does... why don't you put it into the =20 sourceforge cvs system? Mario. |
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From: Joachim W. <wu...@we...> - 2005-07-10 20:38:58
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version 0.7 fixes a little, nasty bug which caused occasional crashes when nonsensical plot limits were entered. - Joachim =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Mit der Gruppen-SMS von WEB.DE FreeMail k=F6nnen Sie eine SMS an alle=20 Freunde gleichzeitig schicken: http://freemail.web.de/features/=3Fmc=3D021179 |
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From: Joachim W. <wu...@we...> - 2005-06-17 18:29:52
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version 0.6 brings mainly improvements to the control panel (tab traversal; more output on the status line). - Joachim =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F Mit der Gruppen-SMS von WEB.DE FreeMail k=F6nnen Sie eine SMS an alle=20 Freunde gleichzeitig schicken: http://freemail.web.de/features/=3Fmc=3D021179 |
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From: Joachim W. <wu...@we...> - 2005-05-27 07:56:55
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there was a bug in the parameter substitution mechanism: substituting -1 for p1 in p1**2 produced -1**2=-1. release 0.5 fixes this bug by putting parameters around any value substituted for any parameter. - Joachim __________________________________________________________ Mit WEB.DE FreePhone mit hoechster Qualitaet ab 0 Ct./Min. weltweit telefonieren! http://freephone.web.de/?mc=021201 |
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From: Joachim W. <wu...@we...> - 2005-05-25 21:24:11
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release 0.4 brings a more consistent handling of parameter slider zooming. - Joachim ______________________________________________________________ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt bei WEB.DE FreeMail: http://f.web.de/?mc=021193 |
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From: Joachim W. <wu...@we...> - 2005-05-17 11:39:44
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many improvements (1) CVS data files may now contain a header line with coordinate names. (2) Various separators allowed in CVS data files (kolon, semikolon, tab, blank). (3) data items can be in WAV format (S16_LE). (4) New buttons in control frame to zoom and move x and y scale. (5) Minor bug fixes, some code cleaning. Joachim ______________________________________________________________ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt bei WEB.DE FreeMail: http://f.web.de/?mc=021193 |
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From: Joachim W. <jw...@us...> - 2005-04-28 19:49:52
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Release 0.2 brings the following improvements: (1) Added choice between quick-and-dirty / careful function plotting. The quick-and-dirty option guarantees smooth plotting while parameters are tuned. (2) Added control to set number of interpolation points. (3) More controls for parameter tuning. (4) handle undefined function values (e.g., sqrt(x) is now cleanly plotted). (5) From now on, files are released as zip-archives. Joachim __________________________________________________________ Mit WEB.DE FreePhone mit hoechster Qualitaet ab 0 Ct./Min. weltweit telefonieren! http://freephone.web.de/?mc=021201 |
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From: Joachim W. <jw...@us...> - 2005-04-17 16:46:24
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parameter sliders are now fully functional: they can be zoomed to arbitraryy intervals. ______________________________________________________________ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt bei WEB.DE FreeMail: http://f.web.de/?mc=021193 |
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From: Joachim W. <wu...@we...> - 2005-04-07 01:27:03
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Thank you, Sandor: I hope by now all links are correct. - Joachim ______________________________________________________________ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt bei WEB.DE FreeMail: http://f.web.de/?mc=021193 |
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From: Sandor M. <ms...@fu...> - 2005-04-06 23:28:18
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Thanks to the author for the nice work. A very minor observation: the link to the download page on http://descartes.sourceforge.net/ is not correct at one place. This might cause some problems to folks who cannot read HTML. I suggest replacing the link below: ... <p> Descartes is available from the <a href="sourceforge.net/projects/descartes">project page</a> ... with: <p> Descartes is available from the <a href="http://sourceforge.net/projects/descartes">project page</a> -- Sandor Markon FUJITEC Co.Ltd. World HQ, 28-10, Shoh 1-chome, Ibaraki, Osaka, JAPAN Tel: 072-622-8148 Fax: 072-622-8274 email: ma...@rd... |
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From: Joachim W. <wu...@we...> - 2005-04-06 18:33:25
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A stable, if basic, version of the image and function plotter descartes is available at http://sourceforge.net/projects/descartes. The program consists of just one Python file descartes.py. The compressed archive descartes-0.0.tgz contains furthermore a startup image rene.jpg, and a demo directory with just one greymap image and one xy-data set (current in a small light bulb as function of voltage). I look forward to your feedback - Joachim __________________________________________________________ Mit WEB.DE FreePhone mit hoechster Qualitaet ab 0 Ct./Min. weltweit telefonieren! http://freephone.web.de/?mc=021201 |
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