FIX: Update sigmet reader to handle 1byte kdp, that needs to be divid…

…ed by wavelength. (ARM-DOE#1707) * FIX: Update sigmet reader to handle 1byte kdp, that needs to be divided by wavelength. * FIX: Weird style issues. * Update pyart/io/_sigmetfile.pyx * Update pyart/io/_sigmetfile.pyx * FIX: ANother style fix and doc fix possibly.
mgrover1 · Dec 13, 2024 · 55cc71c · 55cc71c
1 parent 28c16de
commit 55cc71c
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/doc/environment.yml b/doc/environment.yml
@@ -41,4 +41,3 @@ dependencies:
   - pip:
       - pooch
       - versioneer
-      - -e ..
diff --git a/pyart/io/_sigmetfile.pyx b/pyart/io/_sigmetfile.pyx
@@ -213,7 +213,12 @@ cdef class SigmetFile:
             prt_value = 1. / self.product_hdr['product_end']['prf']
             nyquist = wavelength_cm / (10000.0 * 4.0 * prt_value)
             data['WIDTH'] *= nyquist
-
+        # scale 1-byte KDP by the wavelength
+        if 'KDP' in self.data_type_names:
+            # The IRIS Programmer's Manual indicates 1-byte differential phase format
+            # data should be divided by the wavelength in cm (section 4.3.12).
+            wavelength_cm = self.product_hdr['product_end']['wavelength']
+            data['KDP'] /= wavelength_cm
         return data, metadata
 
     def _get_sweep(self, full_xhdr=False, raw_data=False):
-Original file line number
+Diff line change
@@ Expand Up / @@ -41,4 +41,3 @@ dependencies: @@
       - pip:
           - pooch
           - versioneer
-          - -e ..