Hello all,
I am using pygmt to generate some mapes. When I try to insert a legend or colorbar frame into the map with some superscriptions/subscriptions, it always shows the Error:
“latex is not installed or not in your executable path - cannot process LaTeX to DVI.”
“gmt_map_text: Conversion of LaTeX to EPS failed”.
After I installed MikTex, the Error becomes into the following:
“colorbar [ERROR]: gmtplot_latex_eps: Unable to load EPS file equation.eps”
“colorbar [ERROR]: gmt_map_text: Conversion of LaTeX to EPS failed”
I am using Windows 10, Anaconda 22.9.0, pygmt v0.7.0, GMT 6.4.0.
Can anyone help me with this?
Thanks!
Hello @Y-Tang99,
thanks for trying out PyGMT!
Instead of invoking LaTex you can accomplish text with subscripts or superscripts in GMT or PyGMT by using @-text@-
or @+text@+
, respectively. See also the table in the GMT documentation for text — GMT 6.5.0 documentation (generic-mapping-tools.org)
Please see the two small examples below as orientation:
import pygmt
#------------------------------------------------------------------------------
# subcript
fig = pygmt.Figure()
fig.basemap(
region=[6, 12, 42, 47],
projection="M10c",
frame="f",
)
fig.colorbar(
cmap="roma",
frame="+ltext@-subscript@-",
position="JMC+h", # horizontal colorbar
)
fig.show()
#------------------------------------------------------------------------------
# superscript
fig = pygmt.Figure()
fig.basemap(
region=[6, 12, 42, 47],
projection="M10c",
frame="f",
)
fig.colorbar(
cmap="roma",
frame="+ltext@+superscript@+",
position="JMC+h", # horizontal colorbar
)
fig.show()
Hello Yvonne,
Thanks a lot for the prompt reply. I just tried it, and it works fine for me!
I think we can close this issue now. Thank you!
Cheers
Hello @Y-Tang99,
pleased I could help out!
Cheers,
Yvonne