Hello, I am trying to run the CrossRouter.py example
https://github.com/NanoComp/meep/blob/master/python/examples/adjoint_optimization/CrossRouter.py as suggested at https://homerreid.github.io/meep-adjoint-documentation/AdjointSolver/ExampleGallery/ with command: python CrossRouter.py --verbose --visualize --optimize it works fine, except no graphics appear. As soon as I run the command without --optimize graphics try to appear but are immediately shut down, and I receive the following error message: FileNotFoundError: [Errno 2] No such file or directory: 'latex': 'latex' With the following traceback: Traceback (most recent call last): File "CrossRouter.py", line 170, in <module> op.run() File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/meep/adjoint/OptimizationProblem.py", line 371, in run self.plot_geometry() File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/meep/adjoint/OptimizationProblem.py", line 238, in plot_geometry vis.update(sim,'Geometry') File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/meep/adjoint/Visualization.py", line 1096, in update plot_dft_data=False if case=='Geometry' else True if case =='Forward' else 'flux') File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/meep/adjoint/Visualization.py", line 722, in visualize_sim plt.tight_layout() File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/pyplot.py", line 1382, in tight_layout gcf().tight_layout(pad=pad, h_pad=h_pad, w_pad=w_pad, rect=rect) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/figure.py", line 2377, in tight_layout pad=pad, h_pad=h_pad, w_pad=w_pad, rect=rect) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/tight_layout.py", line 366, in get_tight_layout_figure pad=pad, h_pad=h_pad, w_pad=w_pad) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/tight_layout.py", line 115, in auto_adjust_subplotpars tight_bbox_raw = union([ax.get_tightbbox(renderer) for ax in subplots File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/tight_layout.py", line 116, in <listcomp> if ax.get_visible()]) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/axes/_base.py", line 4373, in get_tightbbox bb_xaxis = self.xaxis.get_tightbbox(renderer) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/axis.py", line 1142, in get_tightbbox self._update_label_position(renderer) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/axis.py", line 1934, in _update_label_position bboxes, bboxes2 = self._get_tick_boxes_siblings(renderer=renderer) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/axis.py", line 1919, in _get_tick_boxes_siblings tlb, tlb2 = axx.xaxis._get_tick_bboxes(ticks_to_draw, renderer) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/axis.py", line 1125, in _get_tick_bboxes extent = tick.label1.get_window_extent(renderer) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/text.py", line 930, in get_window_extent bbox, info, descent = self._get_layout(self._renderer) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/text.py", line 313, in _get_layout ismath=ismath) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/backends/backend_agg.py", line 209, in get_text_width_height_descent s, fontsize, renderer=self) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/texmanager.py", line 464, in get_text_width_height_descent dvifile = self.make_dvi(tex, fontsize) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/texmanager.py", line 328, in make_dvi texfile], tex) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/site-packages/matplotlib/texmanager.py", line 298, in _run_checked_subprocess stderr=subprocess.STDOUT) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/subprocess.py", line 395, in check_output **kwargs).stdout File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/subprocess.py", line 472, in run with Popen(*popenargs, **kwargs) as process: File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/subprocess.py", line 775, in __init__ restore_signals, start_new_session) File "/home/hrferge/anaconda3/envs/pmpa/lib/python3.7/subprocess.py", line 1522, in _execute_child raise child_exception_type(errno_num, err_msg, err_filename) At this point I do not know how to solve my problems. Any Suggestions? Thank you for your time. - Halvor
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