xhong/NASA_EarthData_Script
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

fix(HLS_SuPER): 确保多边形外环为逆时针方向并简化网络查询时提交的坐标.

Browse Source
This commit is contained in:
谢泓 2025-09-05 12:15:34 +08:00
parent d01ba65d64
commit 3d5d159d7f
1 changed files with 21 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
HLS_SuPER/HLS_SuPER.py
View File

@ -5,7 +5,7 @@ HLS Subsetting, Processing, and Exporting Reformatted Data Prep Script
Authors: Cole Krehbiel, Mahsa Jami, and Erik Bolch Authors: Cole Krehbiel, Mahsa Jami, and Erik Bolch
Contact: lpdaac@usgs.gov Contact: lpdaac@usgs.gov
Editor: Hong Xie Editor: Hong Xie
Last Updated: 2025-01-15 Last Updated: 2025-09-05
=============================================================================== ===============================================================================
""" """
@ -24,6 +24,7 @@ import json
import earthaccess import earthaccess
from shapely.geometry import box from shapely.geometry import box
from shapely.geometry.polygon import orient
import geopandas as gpd import geopandas as gpd
from datetime import datetime as dt from datetime import datetime as dt
import dask.distributed import dask.distributed
@ -171,7 +172,15 @@ def parse_arguments():
return parser.parse_args() return parser.parse_args()
def ensure_ccw(geom):
"""
Ensure the exterior ring of the polygon is counterclockwise.
"""
if geom.exterior.is_ccw:
return geom # Already counterclockwise
else:
return orient(geom, sign=1.0) # Make it counterclockwise
def format_roi(roi): def format_roi(roi):
""" """
Determines if submitted ROI is a file or bbox coordinates. Determines if submitted ROI is a file or bbox coordinates.
@ -192,22 +201,20 @@ def format_roi(roi):
logging.info( logging.info(
"Multiple polygons detected. Creating single geometry of external coordinates." "Multiple polygons detected. Creating single geometry of external coordinates."
) )
single_geometry = roi.unary_union.convex_hull single_geometry = roi.union_all().convex_hull
roi = gpd.GeoDataFrame(geometry=[single_geometry], crs=roi.crs) roi = gpd.GeoDataFrame(geometry=[single_geometry], crs=roi.crs)
# Check if ROI is in Geographic CRS, if not, convert to it # Check if ROI is in Geographic CRS, if not, convert to it
if roi.crs.is_geographic: if not roi.crs.is_geographic:
# List Vertices in correct order for search roi = roi.to_crs("EPSG:4326")
# (Add) 使用外包矩形坐标作为检索使用的坐标
minx, miny, maxx, maxy = roi.total_bounds
bounding_box = box(minx, miny, maxx, maxy)
vertices_list = list(bounding_box.exterior.coords)
else:
roi_geographic = roi.to_crs("EPSG:4326")
logging.info( logging.info(
"Note: ROI submitted is being converted to Geographic CRS (EPSG:4326)" "Note: ROI submitted is being converted to Geographic CRS (EPSG:4326)"
) )
vertices_list = list(roi_geographic.geometry[0].exterior.coords) roi['geometry'] = roi['geometry'].apply(ensure_ccw)
# List Vertices in correct order for search
# (Add) 使用外包矩形坐标简化提交检索时使用的坐标
minx, miny, maxx, maxy = roi.total_bounds
bounding_box = box(minx, miny, maxx, maxy)
vertices_list = list(bounding_box.exterior.coords)
except (FileNotFoundError, ValueError): except (FileNotFoundError, ValueError):
sys.exit( sys.exit(
f"The GeoJSON/shapefile is either not valid or could not be found.\nPlease double check the name and provide the absolute path to the file or make sure that it is located in {os.getcwd()}" f"The GeoJSON/shapefile is either not valid or could not be found.\nPlease double check the name and provide the absolute path to the file or make sure that it is located in {os.getcwd()}"
@ -219,6 +226,7 @@ def format_roi(roi):
# Convert bbox to a geodataframe for clipping # Convert bbox to a geodataframe for clipping
roi = gpd.GeoDataFrame(geometry=[box(*bbox)], crs="EPSG:4326") roi = gpd.GeoDataFrame(geometry=[box(*bbox)], crs="EPSG:4326")
roi['geometry'] = roi['geometry'].apply(ensure_ccw)
vertices_list = list(roi.geometry[0].exterior.coords) vertices_list = list(roi.geometry[0].exterior.coords)