--- a
+++ b/CLI/MusculoskeletalAnalysisCLITools/density.py
@@ -0,0 +1,8 @@
+
+
+def densityMap(img, slope, intercept):
+    """Converts an image to a density map the same shape and size.
+
+    Uses parameters from DICOM metadata to find linear relationship between pixel value and physical density.
+    """
+    return img * slope + intercept