I have successfully (I think) coerced my students into using
Scipy/Numpy for signal processing and dynamic system modeling. They
are mechanical engineering coming from a Matlab background. In order
to make using Python easy and have it feel like Matlab, I teach them
to put
from scipy import *
On 10/11/07, Ryan Krauss [EMAIL PROTECTED] wrote:
Can this be changed? Is there a better approach I should take in
getting my students started using scipy and pylab together?
Yes, this was left in initially for backward compatibility but I think
we should strive for maximal numpy
Hi,
I'm using matplotlib in a C++ app (with a qt4 gui), by embedding python with
boost::python. The C++ app calls Py_Initialize(), init_myplottingmodule(), and
boost::python::import(matplotlib.pylab) once on startup and certain GUI
events then fire up a matplotlib window via calls like this one:
I i have tree lists or array of values
list x of 100... values
list y of 100.. values
list mag of 100.. values
list x and y are coordiantes of points
and list Mag is magnitude of something at that point
how can i plot this quantities using matplotlib, any function please?
my code starts
Adam Mercer wrote:
Hi
I'm running into a problem using the mollweide projection, with the
following simplified code, my actual code doesn't use random data for
values but this is a clearer example to the problem I'm experiencing:
lon = numpy.arange(0, 361, 1)
lat = numpy.arange(-90, 91, 1)
On 11/10/2007, Jeff Whitaker [EMAIL PROTECTED] wrote:
Adam: I assume your data is on a latitude-longitude grid? You've asked
for a mollweide projection centered on the Greenwich meridian. Your
data is not centered on Greenwich - but the error message is trying to
say that you can shift
On 11/10/2007, Jeff Whitaker [EMAIL PROTECTED] wrote:
Adam: I assume your data is on a latitude-longitude grid? You've asked
for a mollweide projection centered on the Greenwich meridian. Your
data is not centered on Greenwich - but the error message is trying to
say that you can shift
Hi Yadin,
I am a simple user, but I already faced this problem. The idea I used is
to plot the data as an image, with magnitudes being converted in color
levels.
To do that, you have to define an array (let's say 'Z', Z(x,y) with dims
len(X) and len(Y) and fill it with tour magnitudes. Then
On 10/11/07, Charles Seaton [EMAIL PROTECTED] wrote:
Any suggestions on how to get either matplotlib.dates.datestr2num or
dateutil.parser.parse to properly handle timezone information in the
datestring would be greatly appreciated.
Not sure how to answer this question vis-a-vid
I am trying to prepare a plot on the UK national grid. This is a transverse
mercator projection centred on the UK with a false origin offset from the
projection origin (lat_0, lon_0).
The Basemap coordinate system origin (0 Easting and Northing) always seems to
be set in the lower-left
On 10/11/07, Alexander Schmolck [EMAIL PROTECTED] wrote:
Hi,
I'm using matplotlib in a C++ app (with a qt4 gui), by embedding python with
boost::python. The C++ app calls Py_Initialize(), init_myplottingmodule(), and
boost::python::import(matplotlib.pylab) once on startup and certain GUI
Adam Mercer wrote:
On 11/10/2007, Jeff Whitaker [EMAIL PROTECTED] wrote:
Adam: I assume your data is on a latitude-longitude grid? You've asked
for a mollweide projection centered on the Greenwich meridian. Your
data is not centered on Greenwich - but the error message is trying to
Disclaimer: I do know Python, but am not terribly familiar with Matplotlib as
I'm taking over the maintenance of our graphing libraries. This post is
likely to leave out details that you need to help diagnose the problem, but I
didn't think posting all 1500 or so lines of our graphing routines
On 11/10/2007, Jeff Whitaker [EMAIL PROTECTED] wrote:
but I think you want
values, lon = basemap.shiftgrid(180, values, lon, start=False)
Thats it! Thanks a lot!
Cheers
Adam
-
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John,
I would prefer to be able to use the power and flexibility of datestr2num
and the underlying dateutil.parser, rather than writing my own parser.
However, looking further at dateutil.parser.parse, it takes an argument
tzinfos, which allows timezone names other than the local timezone and
Hi Joshua,
As you can see from the attached graph, there is a break the in graph
somewhere around 7 AM or so. This is the data I am graphing for that red
line:
2007-10-09 00:00:00,0.015
2007-10-09 01:00:00,0.015
2007-10-09 02:00:00,0.014
2007-10-09 03:00:00,0.012
2007-10-09 04:00:00,0.008
On 10/10/2007, Pascoe, S (Stephen) [EMAIL PROTECTED] wrote:
Is there a general way of setting the origin somewhere other than the
lower-left corner?
I've just had to deal with a similar problem, you need to use the
basemap.shiftgrid() method to shift the co-ordinate grid accordingly.
Cheers
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