fix some kml issue

app.py

@@ -15,6 +15,9 @@ import plotly.express as px
 import branca.colormap as cm
 import folium
 import pyproj
+from io import StringIO, BytesIO
+import requests
+import kml2geojson
 
 st.set_page_config(layout="wide")
 m = st.markdown(
@@ -81,6 +84,34 @@ with st.expander("EVI/EVI2 Parameters"):
 ############################################
 
 # Function of find best suited statewise EPSG code
+def get_gdf_from_file_url(file_url):
+    if file_url is None:
+        st.stop()
+    if isinstance(file_url, str):
+        if file_url.startswith("https://drive.google.com/file/d/"):
+            ID = file_url.replace("https://drive.google.com/file/d/", "").split("/")[0]
+            file_url = f"https://drive.google.com/uc?id={ID}"
+        elif file_url.startswith("https://drive.google.com/open?id="):
+            ID = file_url.replace("https://drive.google.com/open?id=", "")
+            file_url = f"https://drive.google.com/uc?id={ID}"
+
+        response = requests.get(file_url)
+        bytes_data = BytesIO(response.content)
+        string_data = response.text
+    else:
+        bytes_data = BytesIO(file_url.getvalue())
+        string_data = file_url.getvalue().decode("utf-8")
+
+    if string_data.startswith("<?xml"):
+        geojson = kml2geojson.convert(bytes_data)
+        features = geojson[0]["features"]
+        epsg = 4326
+        input_gdf = gpd.GeoDataFrame.from_features(features, crs=f"EPSG:{epsg}")
+    else:
+        input_gdf = gpd.read_file(bytes_data)
+    
+    return input_gdf
+
 def find_best_epsg(geometry):
     if geometry.geom_type == 'Polygon':
         centroid = geometry.centroid
@@ -410,20 +441,11 @@ file_url = st.query_params.get("file_url", None)
 if file_url is None:
     file_url = st.file_uploader("Upload KML/GeoJSON file", type=["geojson", "kml", "shp"])
 
-if file_url is None:
-    st.stop()
-
-if isinstance(file_url, str):
-    if file_url.startswith("https://drive.google.com/file/d/"):
-        ID = file_url.replace("https://drive.google.com/file/d/", "").split("/")[0]
-        file_url = f"https://drive.google.com/uc?id={ID}"
-    elif file_url.startswith("https://drive.google.com/open?id="):
-        ID = file_url.replace("https://drive.google.com/open?id=", "")
-        file_url = f"https://drive.google.com/uc?id={ID}"
-
 buffer = st.number_input("Buffer (m)", value=50, min_value=0, step=1)
 
-input_gdf = preprocess_gdf(gpd.read_file(file_url))
+input_gdf = get_gdf_from_file_url(file_url)
+input_gdf = preprocess_gdf(input_gdf)
+
 if len(input_gdf) > 1:
     st.warning(f"Only the first polygon in the KML will be processed; all other geometries will be ignored.")
 

requirements.txt

@@ -3,3 +3,4 @@ geemap
 leafmap
 pandas
 pyproj
+kml2geojson

sandbox.ipynb

@@ -1,5 +1,174 @@
 {
  "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from io import StringIO, BytesIO\n",
+    "import kml2geojson\n",
+    "import requests\n",
+    "import geopandas as gpd\n",
+    "\n",
+    "data = requests.get(\"https://drive.google.com/uc?id=1bN8lkSQkGZcSmZPLF8jm-AWTRA7FsEcr\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>geometry</th>\n",
+       "      <th>name</th>\n",
+       "      <th>styleUrl</th>\n",
+       "      <th>description</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>POLYGON Z ((73.42161 21.55846 0, 73.42216 21.5...</td>\n",
+       "      <td>Pingot-549 10=00 Hq Gree</td>\n",
+       "      <td>#inline1</td>\n",
+       "      <td>NaN</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>POINT Z (73.41723 21.56071 0)</td>\n",
+       "      <td>21°33'38.54\"N  73°25'2.03\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>POINT Z (73.41938 21.55855 0)</td>\n",
+       "      <td>21°33'30.79\"N  73°25'9.76\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>POINT Z (73.42016 21.55905 0)</td>\n",
+       "      <td>21°33'32.57\"N  73°25'12.58\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>POINT Z (73.42024 21.55862 0)</td>\n",
+       "      <td>21°33'31.02\"N  73°25'12.85\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>5</th>\n",
+       "      <td>POINT Z (73.4216 21.55846 0)</td>\n",
+       "      <td>21°33'30.46\"N  73°25'17.77\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>POINT Z (73.42217 21.55951 0)</td>\n",
+       "      <td>21°33'34.25\"N  73°25'19.82\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>7</th>\n",
+       "      <td>POINT Z (73.42244 21.56044 0)</td>\n",
+       "      <td>21°33'37.59\"N  73°25'20.79\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>8</th>\n",
+       "      <td>POINT Z (73.42052 21.56026 0)</td>\n",
+       "      <td>21°33'36.92\"N  73°25'13.86\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9</th>\n",
+       "      <td>POINT Z (73.41944 21.56159 0)</td>\n",
+       "      <td>21°33'41.72\"N  73°25'10.00\"E</td>\n",
+       "      <td>#0_0</td>\n",
+       "      <td>&lt;style type='text/css'&gt;*{font-family:Verdana,A...</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                                            geometry  \\\n",
+       "0  POLYGON Z ((73.42161 21.55846 0, 73.42216 21.5...   \n",
+       "1                      POINT Z (73.41723 21.56071 0)   \n",
+       "2                      POINT Z (73.41938 21.55855 0)   \n",
+       "3                      POINT Z (73.42016 21.55905 0)   \n",
+       "4                      POINT Z (73.42024 21.55862 0)   \n",
+       "5                       POINT Z (73.4216 21.55846 0)   \n",
+       "6                      POINT Z (73.42217 21.55951 0)   \n",
+       "7                      POINT Z (73.42244 21.56044 0)   \n",
+       "8                      POINT Z (73.42052 21.56026 0)   \n",
+       "9                      POINT Z (73.41944 21.56159 0)   \n",
+       "\n",
+       "                           name  styleUrl  \\\n",
+       "0      Pingot-549 10=00 Hq Gree  #inline1   \n",
+       "1   21°33'38.54\"N  73°25'2.03\"E      #0_0   \n",
+       "2   21°33'30.79\"N  73°25'9.76\"E      #0_0   \n",
+       "3  21°33'32.57\"N  73°25'12.58\"E      #0_0   \n",
+       "4  21°33'31.02\"N  73°25'12.85\"E      #0_0   \n",
+       "5  21°33'30.46\"N  73°25'17.77\"E      #0_0   \n",
+       "6  21°33'34.25\"N  73°25'19.82\"E      #0_0   \n",
+       "7  21°33'37.59\"N  73°25'20.79\"E      #0_0   \n",
+       "8  21°33'36.92\"N  73°25'13.86\"E      #0_0   \n",
+       "9  21°33'41.72\"N  73°25'10.00\"E      #0_0   \n",
+       "\n",
+       "                                         description  \n",
+       "0                                                NaN  \n",
+       "1  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "2  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "3  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "4  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "5  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "6  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "7  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "8  <style type='text/css'>*{font-family:Verdana,A...  \n",
+       "9  <style type='text/css'>*{font-family:Verdana,A...  "
+      ]
+     },
+     "execution_count": 14,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "gpd.GeoDataFrame.from_features(kml2geojson.convert(BytesIO(data.content))[0]['features'])\n",
+    "# kml2geojson.convert(BytesIO(data.content))[0]['features']"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 14,