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glass database: use reference_path as fallback path and added exception #24

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glass database: use reference_path as fallback path and added exception #24

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6 changes: 5 additions & 1 deletion ray_tracing/glass_function/refractiveIndex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
import yaml
import sys
import argparse
import numpy
import numpy


class RefractiveIndex:
Expand Down Expand Up @@ -60,6 +60,10 @@ def __init__(self, databasePath=os.path.join(os.path.dirname(os.path.realpath(__
def getMaterialFilename(self, shelf, book, page):
cwd = os.getcwd()
rootdir = cwd + "/opticspy/ray_tracing/glass_database/"
if not os.path.exists(rootdir):
rootdir = self.referencePath
if not os.path.exists(rootdir):
raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT), rootdir)
glass_catalog = book
filename = page + '.yml'
for root, subFolders, files in os.walk(rootdir):
Expand Down