feat: Fix description and lg2dot generation

bin/confHist

@@ -20,7 +20,8 @@ usage()
 	echo -e "-s or --strokes \t\tConstruct stroke(primitive) confusion histograms in addition"
 	echo -e "\t\t\t\tto object confusion histograms"
 	echo -e "-i or --lgimgDir <directory> \tThe directory containing the expression images of the lg files"
-	echo -e "-p or --dotpdfDir <directory> \tThe directory containing the expression images of the lg files"
+	echo -e "-p or --dotpdfDir <directory> \tThe directory containing the lg2dot comparison pdf outputs"
+	echo -e "\t\t\t\t If not provided, new lg2dot comparison outputs are generated and used"
 	echo -e "-sp or --split \t\t\tSeparate the more frequent(>minCount) errors and (<=minCount)"
 	echo -e "\t\t\t\terrors"
 	echo -e "-f or --filter \t\t\tIgnore the less frequent(<=minCount) errors"

src/confHists.py

@@ -29,12 +29,10 @@ def main(fileList, minCount=1, confMat=False, confMatObj=True,
     pdf_count = 0
     if os.path.exists(dotpdf_dir):
         pdf_count = len(glob(os.path.join(dotpdf_dir, '*.pdf')))
-    with open(fileList, 'r') as f:
-        lg_count = len(f.read().split('\n'))
-    if pdf_count != lg_count:
-        if not os.path.exists("confHist_outputs/dotpdfs"):
-            os.makedirs("confHist_outputs/dotpdfs")
+    if pdf_count == 0:
         dotpdf_dir = "confHist_outputs/dotpdfs"
+        if not os.path.exists(dotpdf_dir):
+            os.makedirs(dotpdf_dir)
     for row in fileReader:
         # Skip comments and empty lines.
         if not row == [] and not row[0].strip()[0] == "#":
@@ -57,7 +55,7 @@ def main(fileList, minCount=1, confMat=False, confMatObj=True,
             (head, tail) = os.path.split(lgfile1)
             (base, _) = os.path.splitext(tail)
             fileName = base + ".lg"
-            if pdf_count != lg_count:
+            if pdf_count == 0:
                 os.system("python $LgEvalDir/src/lg2dot.py " + lgfile1 + " " + lgfile2 + " >" + os.path.join(dotpdf_dir, base + ".dot"))
                 os.system("dot -Tpdf " + os.path.join(dotpdf_dir, base + ".dot") + " -o " + os.path.join(dotpdf_dir, base + ".pdf"))
             if confMat: