From 6e6849b747d97db9e49d1928ecb8336b737c8819 Mon Sep 17 00:00:00 2001
From: tangchao <735056338@qq.com>
Date: Wed, 25 May 2022 23:43:13 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E8=BE=93=E5=87=BA=E7=9A=84si?=
 =?UTF-8?q?f=E5=80=BC=E4=B8=AD=E6=9C=89=E8=B4=9F=E6=95=B0=E7=9A=84?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 sif_retrieval.py | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/sif_retrieval.py b/sif_retrieval.py
index d2242d2..ae53a7e 100644
--- a/sif_retrieval.py
+++ b/sif_retrieval.py
@@ -183,7 +183,26 @@ def processing(standard_sif, folder, out_file, pars, data, header, sky_p='P1', m
             _sif = _sif.assign_coords(spec=spec)
             ls.append(_sif)
     sif = xr.merge(ls)
-    sif.to_dataframe().to_csv(out_file)
+    # sif.to_dataframe().to_csv(out_file)
+
+    tmp_tc = sif.to_dataframe()  # tmp_tc是Pandas 数据结构 - DataFrame
+    cols = tmp_tc.columns
+    rows = tmp_tc.index
+    for col in cols:
+        if str(tmp_tc[col].dtype) == 'object':  # 如果是字符串就略过
+            continue
+        for i in range(tmp_tc[col].shape[0]):
+            if (tmp_tc[col][i] < 0):
+                tmp_tc.loc[rows[i], col] = 0
+                # tmp_tc[col][i] = 0  # 会出错：A value is trying to be set on a copy of a slice from a DataFrame
+
+    # for i in range(tmp_tc.shape[0]):  # 行
+    #     for j in range(tmp_tc.shape[1]):  # 列
+    #         if str(tmp_tc.iloc[i, j].dtype) == 'object':  # 如果是字符串就略过
+    #             continue
+    #         print(tmp_tc.iloc[i, j])
+
+    tmp_tc.to_csv(out_file)