From c642ab2e9afaa9bff98670ac8ef0edcd2718f027 Mon Sep 17 00:00:00 2001
From: Zhang Yunjun <yunjunz@users.noreply.github.com>
Date: Tue, 2 Jun 2020 11:15:57 -0700
Subject: [PATCH] cuDenseOffset: check across oversample win size

---
 contrib/PyCuAmpcor/examples/cuDenseOffsets.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/contrib/PyCuAmpcor/examples/cuDenseOffsets.py b/contrib/PyCuAmpcor/examples/cuDenseOffsets.py
index a77edb1..2490bf8 100755
--- a/contrib/PyCuAmpcor/examples/cuDenseOffsets.py
+++ b/contrib/PyCuAmpcor/examples/cuDenseOffsets.py
@@ -107,6 +107,12 @@ def cmdLineParse(iargs = None):
     parser = createParser()
     inps =  parser.parse_args(args=iargs)
 
+    # check oversampled window size
+    if (inps.winwidth + 2 * inps.srcwidth) * inps.raw_oversample > 1024:
+        msg = 'input oversampled window size in the across/range direction '
+        msg += 'exceeds the current implementaion limit of 1024!'
+        raise ValueError(msg)
+
     return inps