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Hi,
This one has been driving me crazy all day. I have three
vectors, azimuth, frequency and power, which I would like
to histogram and plot on a polar axis. I can plot a
scatter plot this
Hi,
I trying to define an area in a pcolor plot (several plots) using the
ginput(). However since it is an irregular shape and will be different
in each plot so I cant define how many points there will be before hand,
I've tried the following but it requires a double click at each point,
Hi, I'm having a problem usinf fill_between() with basemap. I plot two
great circles and want to shade the region between them. My code is below,
it doesnt give any error just creates the plot without filling the area.
Does anyone know if it's possible to do this or should I try a different
-3.3.1/capi'
make[1]: *** [install-am] Error 2
make[1]: Leaving directory `/home/davcra/basemap-1.0.2/geos-3.3.1/capi'
make: *** [install-recursive] Error 1
any ideas??
thanks
D
On 3/31/12 5:48 AM, David Craig wrote:
Hi, I previously installed basemap by using the yum command. This
installed
Hi, I am trying to use pcolor to visualise three variables. For example if
I have a value for z at x and a value for z at y something like [x1, x2,
x3] = [z1, z2, z3] and [y1, y2, y3] = [z2, z1, z3]. Then I use meshgrid to
create the grid for x and y,
X, Y = meshgrid(x, y)
the result is two
Hi, I previously installed basemap by using the yum command. This installed
version 0.99.4. I want to install the latest version so I can use shaded
relief etc. This may be more of a linux problem but as I am more familiar
with python than linux I thought someone here may be able to help.
Hi, I have three variables I would like to plot using plot_surface but I
keep getting the error given at the bottom. Anyone know what I am doing
wrong?? My code is as follows,
fig3 = plt.figure()
ax = Axes3D(fig3)
X = np.zeros((78,1))
Y = np.zeros((78,1))
Z = np.zeros((78,1))
for p in
Hi,
I'm using surface_plot to view the results of solving the 2d wave equation.
It works fine (code is below) except I would like to add a color bar and
fix the limits on the vertical axis. When I add the color bar a new one is
added in every iteration instead of overwriting the previous one,
Hi,
I'm trying to produce a map with 12 locations marked on it and straight
lines plotted between each point and all other points on the map. I have
the map with the locations ok but am having trouble getting the lines.
My code is below anyone know how to do this??
Thanks
D
from
Hi, I recently installed basemap and python imaging library on my laptop. I
have an i686 machine with fedora 16 on it. I just tried some test plots and
basemap seems to work fine but according to the documentation to use the
bluemarble(), etopo(), shadedrelief() and warpimage() instance methods I
Hi,
I have an array defined by 3 variables p(x,z,t). I would like to produce
a surface plot with colors defined by p and animate it. That is plot the
value of p at all x and z, over time (t). My code to get p is below but
I really have no idea how to plot this. Anyone know the best way to go
Hi,
I am trying to relabel the x-axis on a plot. I want it to have 10 evenly
spaced labels ranging from 274 at zero to 283 at one increment short of
the axis. My code is as follows:
im.axes.xaxis.set_major_locator(py.MaxNLocator(10))
im.axes.xaxis.set_ticklabels(range(274,284))
My
Hi, I have a plot of a time series and I would like to add a single
extra tick mark and label to the plot in a different color to the
already existing tick marks. Is this possible??
Thanks,
D
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Hi, I have a plot and the xaxis shows number of seconds after a start
point. I would like to convert them to days anyone know how to do this.
I have looked at the documentation but cant find what I need.
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:
Le vendredi 03 février 2012 à 17:39 +, David Craig a
écrit :
sure how to get it to plot the outputs from specgram. I use
specgram as follows,
Pxx, freqs, bins, im = plt.specgram(..)
what am I trying imshow??
plt.specgram computes the spectrogram and when calls
uname -a gives,
Linux David 3.2.2-1.fc16.i686 #1 SMP Thu Jan 26 03:38:31 UTC 2012 i686 i686
i386 GNU/Linux
On Mon, Feb 6, 2012 at 6:07 PM, Benjamin Root ben.r...@ou.edu wrote:
On Mon, Feb 6, 2012 at 11:59 AM, David Craig dcdavem...@gmail.com wrote:
I'm using a lenovo laptop with fedora 16
Hi, I am using matplotlib to produce some spectrograms for seismic data. I
am looking at a 10 day period with a sample rate of 20sps. I would like to
have my spectrogram to be composed of 10 minute windows with an overlap of
90%. However when I try and run my script I run out of memory. I can
Hi, I am trying to produce a spectrogram for my data set and am having
an issue with the color map. My data is filtered between 0.02 and 1.0Hz,
but specgram() produces an image in the range 0 to 10Hz. Also the color
map is not set properly. I would like to have it so the colormap ranges
from
Hi,
I have a plot that covers a 10 day period on its x-axis in seconds. I
would like to change it to julian days, is this possible with matplotlib
and if so how do I do it??
D
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Hi I have some data for a 24hr period with a sample rate of 100
samples/second. I want to create a power spectrum using matplotlibs
function psd. I want it to have 10 minute windows with a 50% overlap, but
cant seem to get the syntax right. My code is as follows:
NFFT = len(data)
Fs = 100
janvier 2012 à 11:45 +, David Craig a écrit :
Hi I have some data for a 24hr period with a sample rate of 100
samples/second. I want to create a power spectrum using matplotlibs
function psd. I want it to have 10 minute windows with a 50% overlap,
but cant seem to get the syntax right
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