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From: Patrick Marsh <marsh.patrick+matplotlib@gm...>  20080823 14:49:38
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Greetings, I'm having considerable difficulties in getting the axes grid to display they way I would like it to. Basically, I'm wanting to grid to be shown for all of the x/yticks displayed, but only an irregular number show up. What I'm wanting to know is if my code is wrong or am I'm completely overlooking something. My code is below and an image can be found at http://forwarn.org/images/USDIFFtest.png. Also, I might as well ask...is there a way to manually specify the labels that are displayed on the colorbar? For instance, in the example below, my values range from 5 to 4...how would I go about making sure the last 5 was included in the colorbar? I'll admit I haven't looked into this much as of now since the first question was / is more pressing. Thanks! Patrick Marsh from __future__ import division import numpy as np import pylab as P import copy def open_text(REGION,FIELD): # # # global DATAPATH1 global DATAPATH2 xaxis1,yaxis1,freq1 = np.loadtxt(DATAPATH1+'bin_CUR_%s_%s.txt' % (REGION, FIELD), unpack=True) xaxis2,yaxis2,freq2 = np.loadtxt(DATAPATH2+'bin_FUT_%s_%s.txt' % (REGION, FIELD), unpack=True) return(xaxis1,yaxis1,freq1,xaxis2,yaxis2,freq2) if __name__ == '__main__': #Main Program TIME = 'CUR' REGION = 'PLAINS' FIELD = 'CAPESHR6' # PATHS TO THE INPUT (DATA) AND OUTPUT (IMAGES) DIRECTORIES DATAPATH1 = 'E:/RESEARCH/CCSM_OUTPUT/CURRENT/BIN/' DATAPATH2 = 'E:/RESEARCH/CCSM_OUTPUT/FUTURE/BIN/' IMAGEPATH = 'E:/RESEARCH/IMAGES/%s/%s/%s/' % (REGION, TIME, FIELD) xaxis1,yaxis1,freq1,xaxis2,yaxis2,freq2 = open_text(REGION, FIELD) # TRANSFORM INTO THE CORRECT FORMAT xaxis1 = xaxis1.reshape(51,1).T yaxis1 = yaxis1.reshape(51,1).T freq1 = freq1.reshape(51,1).T freq2 = freq1.reshape(51,1).T freq1 = freq1 / (12 * 12 * 20) # (12*12*20 for PLAINS).....(29*43*20 for EUR) freq2 = freq2 / (12 * 12 * 20) # (12*12*20 for PLAINS).....(29*43*20 for EUR) diff = freq1  freq2 xaxis = np.log10(xaxis1) yaxis = np.log10(yaxis1) # xaxis = xaxis1 # yaxis = yaxis1 # levs = np.arange(0,10,.1) levs = np.arange(5,5,.1) xticks = [1,2,5,10,20,50,100,200,500,1000,2000,5000] yticks = [1,2,5,10,20,50,100] x = np.arange(1,10000,1) P.figure(figsize=(8,8)) CS = P.contourf(xaxis,yaxis,diff,levs) P.xlabel('\nCAPE') P.ylabel('06 km Shear') P.xlim(0,3) P.ylim(0,2) P.xticks(np.log10(xticks),xticks,) P.yticks(np.log10(yticks),yticks,) P.plot(np.log10(x),(np.log10(10000/x)),color='black', linewidth=2) P.colorbar(drawedges=False, orientation='horizontal') P.grid(True) P.gca().xaxis.grid(True, which='minor',xdata=xticks,ydata=yticks) P.title('Difference\nCentral U.S. Normalized Frequency Distribution') P.savefig('USDIFFtest.png',dpi = 200) 
From: Patrick Marsh <marsh.patrick+matplotlib@gm...>  20080823 15:03:11
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*embarrassed* Turns out I was looking at a "compressed" version of the image that didn't have all the grid lines on. Examining the full version the image looks correct. I apologize for asking what is not a really dumb question. However, the second question about the colorbar is still puzzling. Patrick On Sat, Aug 23, 2008 at 9:49 AM, Patrick Marsh < marsh.patrick+matplotlib@... <marsh.patrick%2Bmatplotlib@...>>wrote: > Greetings, > > I'm having considerable difficulties in getting the axes grid to display > they way I would like it to. Basically, I'm wanting to grid to be shown for > all of the x/yticks displayed, but only an irregular number show up. What > I'm wanting to know is if my code is wrong or am I'm completely overlooking > something. My code is below and an image can be found at > http://forwarn.org/images/USDIFFtest.png. > > Also, I might as well ask...is there a way to manually specify the labels > that are displayed on the colorbar? For instance, in the example below, my > values range from 5 to 4...how would I go about making sure the last 5 was > included in the colorbar? I'll admit I haven't looked into this much as of > now since the first question was / is more pressing. > > Thanks! > > Patrick Marsh > > > > from __future__ import division > import numpy as np > import pylab as P > import copy > > > def open_text(REGION,FIELD): > # > # > # > global DATAPATH1 > global DATAPATH2 > xaxis1,yaxis1,freq1 = np.loadtxt(DATAPATH1+'bin_CUR_%s_%s.txt' % (REGION, > FIELD), unpack=True) > xaxis2,yaxis2,freq2 = np.loadtxt(DATAPATH2+'bin_FUT_%s_%s.txt' % (REGION, > FIELD), unpack=True) > return(xaxis1,yaxis1,freq1,xaxis2,yaxis2,freq2) > > if __name__ == '__main__': > #Main Program > > > TIME = 'CUR' > REGION = 'PLAINS' > FIELD = 'CAPESHR6' > > # PATHS TO THE INPUT (DATA) AND OUTPUT (IMAGES) DIRECTORIES > DATAPATH1 = 'E:/RESEARCH/CCSM_OUTPUT/CURRENT/BIN/' > DATAPATH2 = 'E:/RESEARCH/CCSM_OUTPUT/FUTURE/BIN/' > IMAGEPATH = 'E:/RESEARCH/IMAGES/%s/%s/%s/' % (REGION, TIME, FIELD) > > xaxis1,yaxis1,freq1,xaxis2,yaxis2,freq2 = open_text(REGION, FIELD) > > # TRANSFORM INTO THE CORRECT FORMAT > xaxis1 = xaxis1.reshape(51,1).T > yaxis1 = yaxis1.reshape(51,1).T > freq1 = freq1.reshape(51,1).T > freq2 = freq1.reshape(51,1).T > > freq1 = freq1 / (12 * 12 * 20) # (12*12*20 for PLAINS).....(29*43*20 > for EUR) > freq2 = freq2 / (12 * 12 * 20) # (12*12*20 for PLAINS).....(29*43*20 > for EUR) > > diff = freq1  freq2 > > xaxis = np.log10(xaxis1) > yaxis = np.log10(yaxis1) > # xaxis = xaxis1 > # yaxis = yaxis1 > > # levs = np.arange(0,10,.1) > levs = np.arange(5,5,.1) > xticks = [1,2,5,10,20,50,100,200,500,1000,2000,5000] > yticks = [1,2,5,10,20,50,100] > > x = np.arange(1,10000,1) > > P.figure(figsize=(8,8)) > CS = P.contourf(xaxis,yaxis,diff,levs) > P.xlabel('\nCAPE') > P.ylabel('06 km Shear') > P.xlim(0,3) > P.ylim(0,2) > P.xticks(np.log10(xticks),xticks,) > P.yticks(np.log10(yticks),yticks,) > P.plot(np.log10(x),(np.log10(10000/x)),color='black', linewidth=2) > P.colorbar(drawedges=False, orientation='horizontal') > P.grid(True) > P.gca().xaxis.grid(True, which='minor',xdata=xticks,ydata=yticks) > P.title('Difference\nCentral U.S. Normalized Frequency Distribution') > P.savefig('USDIFFtest.png',dpi = 200) > 
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