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python Programming Glossary: xihttp://stackoverflow.com/questions/13542855/python-help-to-implement-an-algorithm-to-find-the-minimum-area-rectangle-for-gi for given points in order to compute the major and minor axis length I have a set of points black dots in geographic coordinate.. I need to calculate the the major and minor axis length following these steps form this post write in R project.. orientation of the bounding rectangle relative to the y axis of the image . The minimum and maximum of a and b over all..
Reordering matrix elements to reflect column and row clustering in naiive python http://stackoverflow.com/questions/2455761/reordering-matrix-elements-to-reflect-column-and-row-clustering-in-naiive-python understand but it appears you are trying to re index each axis of the array based on sorts of the dendrogram indicies. I guess.. 1 1 0 0 0 a np.random.random len x_idxs len y_idxs x_idxs2 xi zip sorted zip x_idxs range len x_idxs y_idxs2 yi zip sorted.. y_idxs2 yi zip sorted zip y_idxs range len y_idxs a2 a xi yi x_idxs and y_idxs are the dendrogram indicies. a is the unsorted..
Color values in imshow for matplotlib? http://stackoverflow.com/questions/5836560/color-values-in-imshow-for-matplotlib def onpress self event if event.inaxes ax return xi yi int round n for n in event.xdata event.ydata value im.get_array.. n for n in event.xdata event.ydata value im.get_array xi yi color im.cmap im.norm value print xi yi value color handler.. value im.get_array xi yi color im.cmap im.norm value print xi yi value color handler EventHandler plt.show share improve..
python matplotlib colorbar setting tick formator/locator changes tick labels http://stackoverflow.com/questions/6485000/python-matplotlib-colorbar-setting-tick-formator-locator-changes-tick-labels 2 npts y uniform 2 2 npts z x np.exp x 2 y 2 # define grid xi np.linspace 2.1 2.1 100 yi np.linspace 2.1 2.1 200 # grid the.. np.linspace 2.1 2.1 200 # grid the data. zi griddata x y z xi yi interp 'linear' ##### FIRST PLOT plt.figure CS plt.contour.. interp 'linear' ##### FIRST PLOT plt.figure CS plt.contour xi yi zi 25 cmap plt.cm.jet bar plt.colorbar # draw colorbar #..
Python : 2d contour plot from 3 lists : x, y and rho? http://stackoverflow.com/questions/9008370/python-2d-contour-plot-from-3-lists-x-y-and-rho 3 10 # Set up a regular grid of interpolation points xi yi np.linspace x.min x.max 100 np.linspace y.min y.max 100 xi.. yi np.linspace x.min x.max 100 np.linspace y.min y.max 100 xi yi np.meshgrid xi yi # Interpolate rbf scipy.interpolate.Rbf.. x.max 100 np.linspace y.min y.max 100 xi yi np.meshgrid xi yi # Interpolate rbf scipy.interpolate.Rbf x y z function 'linear'..
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