matplotlib: bold WCS tick labels, and LaTeX












0















When I use LaTeX rendering for my figure, it seems that I cannot modify the weight of tick labels to make them bold.



here is my code:



from astropy.utils.data import download_file
from astropy.io import fits
from astropy.wcs import WCS
import matplotlib as mpl
import matplotlib.pyplot as plt

path = download_file('http://data.astropy.org/tutorials/FITS-images/HorseHead.fits', cache=True )

mpl.rc('text', usetex = True)
mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])

data = fits.open(path)
img = data[0].data
hdr = data[0].header
w = WCS(hdr)

fig = plt.figure()
ax = fig.add_subplot(111, projection = w)
ax.imshow(img)

ra = ax.coords[0]
dec = ax.coords[1]

ra.set_major_formatter('hh:mm:ss')
ra.set_ticklabel(weight = 'bold')
dec.set_ticklabel(weight = 'bold')

plt.show()


As you can see I tried to add a preamble to LaTeX in order to allow math text to be bold:



mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])


But it didn't solve my problem.



Here is the output of my code without using LaTeX rendering:



Output without LaTeX rendering.



And with LateX rendering:



Output with LaTeX rendering



It is not bold anymore.










share|improve this question























  • Possibly relevant: tex.stackexchange.com/questions/313195/… Else, I could imaging that one would need to define a new formatter, which has mathbf in it.

    – ImportanceOfBeingErnest
    Nov 15 '18 at 20:08
















0















When I use LaTeX rendering for my figure, it seems that I cannot modify the weight of tick labels to make them bold.



here is my code:



from astropy.utils.data import download_file
from astropy.io import fits
from astropy.wcs import WCS
import matplotlib as mpl
import matplotlib.pyplot as plt

path = download_file('http://data.astropy.org/tutorials/FITS-images/HorseHead.fits', cache=True )

mpl.rc('text', usetex = True)
mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])

data = fits.open(path)
img = data[0].data
hdr = data[0].header
w = WCS(hdr)

fig = plt.figure()
ax = fig.add_subplot(111, projection = w)
ax.imshow(img)

ra = ax.coords[0]
dec = ax.coords[1]

ra.set_major_formatter('hh:mm:ss')
ra.set_ticklabel(weight = 'bold')
dec.set_ticklabel(weight = 'bold')

plt.show()


As you can see I tried to add a preamble to LaTeX in order to allow math text to be bold:



mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])


But it didn't solve my problem.



Here is the output of my code without using LaTeX rendering:



Output without LaTeX rendering.



And with LateX rendering:



Output with LaTeX rendering



It is not bold anymore.










share|improve this question























  • Possibly relevant: tex.stackexchange.com/questions/313195/… Else, I could imaging that one would need to define a new formatter, which has mathbf in it.

    – ImportanceOfBeingErnest
    Nov 15 '18 at 20:08














0












0








0








When I use LaTeX rendering for my figure, it seems that I cannot modify the weight of tick labels to make them bold.



here is my code:



from astropy.utils.data import download_file
from astropy.io import fits
from astropy.wcs import WCS
import matplotlib as mpl
import matplotlib.pyplot as plt

path = download_file('http://data.astropy.org/tutorials/FITS-images/HorseHead.fits', cache=True )

mpl.rc('text', usetex = True)
mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])

data = fits.open(path)
img = data[0].data
hdr = data[0].header
w = WCS(hdr)

fig = plt.figure()
ax = fig.add_subplot(111, projection = w)
ax.imshow(img)

ra = ax.coords[0]
dec = ax.coords[1]

ra.set_major_formatter('hh:mm:ss')
ra.set_ticklabel(weight = 'bold')
dec.set_ticklabel(weight = 'bold')

plt.show()


As you can see I tried to add a preamble to LaTeX in order to allow math text to be bold:



mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])


But it didn't solve my problem.



Here is the output of my code without using LaTeX rendering:



Output without LaTeX rendering.



And with LateX rendering:



Output with LaTeX rendering



It is not bold anymore.










share|improve this question














When I use LaTeX rendering for my figure, it seems that I cannot modify the weight of tick labels to make them bold.



here is my code:



from astropy.utils.data import download_file
from astropy.io import fits
from astropy.wcs import WCS
import matplotlib as mpl
import matplotlib.pyplot as plt

path = download_file('http://data.astropy.org/tutorials/FITS-images/HorseHead.fits', cache=True )

mpl.rc('text', usetex = True)
mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])

data = fits.open(path)
img = data[0].data
hdr = data[0].header
w = WCS(hdr)

fig = plt.figure()
ax = fig.add_subplot(111, projection = w)
ax.imshow(img)

ra = ax.coords[0]
dec = ax.coords[1]

ra.set_major_formatter('hh:mm:ss')
ra.set_ticklabel(weight = 'bold')
dec.set_ticklabel(weight = 'bold')

plt.show()


As you can see I tried to add a preamble to LaTeX in order to allow math text to be bold:



mpl.rc('text.latex', preamble = [r'usepackage{amsmath}', r'boldmath'])


But it didn't solve my problem.



Here is the output of my code without using LaTeX rendering:



Output without LaTeX rendering.



And with LateX rendering:



Output with LaTeX rendering



It is not bold anymore.







python-2.7 matplotlib astropy






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share|improve this question











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asked Nov 15 '18 at 15:45









PierrePierre

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1013













  • Possibly relevant: tex.stackexchange.com/questions/313195/… Else, I could imaging that one would need to define a new formatter, which has mathbf in it.

    – ImportanceOfBeingErnest
    Nov 15 '18 at 20:08



















  • Possibly relevant: tex.stackexchange.com/questions/313195/… Else, I could imaging that one would need to define a new formatter, which has mathbf in it.

    – ImportanceOfBeingErnest
    Nov 15 '18 at 20:08

















Possibly relevant: tex.stackexchange.com/questions/313195/… Else, I could imaging that one would need to define a new formatter, which has mathbf in it.

– ImportanceOfBeingErnest
Nov 15 '18 at 20:08





Possibly relevant: tex.stackexchange.com/questions/313195/… Else, I could imaging that one would need to define a new formatter, which has mathbf in it.

– ImportanceOfBeingErnest
Nov 15 '18 at 20:08












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