更新
This commit is contained in:
85
main.py
85
main.py
@@ -1,49 +1,56 @@
|
||||
# main.py
|
||||
import arcpy
|
||||
import os
|
||||
import sys
|
||||
import geopandas as gpd
|
||||
import rasterio
|
||||
from exactextract import exact_extract
|
||||
|
||||
try:
|
||||
proj_lib_path = os.path.join(sys.prefix, 'Lib', 'site-packages', 'rasterio', 'proj_data')
|
||||
os.environ['PROJ_LIB'] = proj_lib_path
|
||||
except Exception as e:
|
||||
print(f"Warning: Could not automatically set PROJ_LIB. Please set it manually. Error: {e}")
|
||||
# 将项目根目录添加到Python路径,以便导入自定义模块
|
||||
# 假设 main.py 在项目根目录
|
||||
project_root = os.path.dirname(os.path.abspath(__file__))
|
||||
if project_root not in sys.path:
|
||||
sys.path.insert(0, project_root)
|
||||
|
||||
# 定义文件路径
|
||||
raster_path = "D:/工作/三普成果编制/出图数据/容县/栅格0925/AB/AB.tif"
|
||||
vector_path = "D:/测试文件夹/容县耕园林草.shp"
|
||||
from src import config
|
||||
from src.utils.logger_setup import logger
|
||||
from src.analysis.spatial_analyzer import SpatialAnalyzer
|
||||
from src.reporting.report_generator import ReportGenerator
|
||||
|
||||
# 1. 使用 rasterio 读取栅格的坐标参考系统 (CRS)
|
||||
with rasterio.open(raster_path) as src:
|
||||
raster_crs = src.crs
|
||||
def main():
|
||||
"""
|
||||
项目主入口函数,负责调度空间分析和报告生成流程。
|
||||
"""
|
||||
logger.info("==================================================")
|
||||
logger.info(" 地理处理与土壤属性分析项目启动 ")
|
||||
logger.info("==================================================")
|
||||
|
||||
# 2. 使用 geopandas 读取矢量文件
|
||||
gdf = gpd.read_file(vector_path)
|
||||
# 确保ArcPy环境可用
|
||||
try:
|
||||
arcpy.GetInstallInfo()
|
||||
logger.info(f"ArcPy环境已加载: {arcpy.GetInstallInfo()['ProductName']} {arcpy.GetInstallInfo()['Version']}")
|
||||
except Exception as e:
|
||||
logger.critical(f"ArcPy环境未正确配置或加载失败: {str(e)}")
|
||||
logger.critical("请确保在ArcGIS Pro的Python环境中运行此脚本。")
|
||||
sys.exit(1)
|
||||
|
||||
# 3. 检查并转换矢量数据的 CRS
|
||||
print(f"原始矢量CRS: {gdf.crs}")
|
||||
print(f"目标栅格CRS: {raster_crs}")
|
||||
# 1. 执行空间分析
|
||||
logger.info("阶段一:开始执行空间分析...")
|
||||
analyzer = SpatialAnalyzer(config)
|
||||
analysis_success = analyzer.execute_analysis()
|
||||
|
||||
if gdf.crs != raster_crs:
|
||||
print("CRS不匹配,正在转换矢量数据的CRS...")
|
||||
# 使用 .to_crs() 方法进行转换
|
||||
gdf = gdf.to_crs(raster_crs)
|
||||
print("转换完成。")
|
||||
# 2. 如果分析成功,则生成报告
|
||||
if analysis_success:
|
||||
logger.info("阶段二:空间分析完成,开始生成Excel报告...")
|
||||
reporter = ReportGenerator(config)
|
||||
report_success = reporter.generate_report()
|
||||
if report_success:
|
||||
logger.info("阶段二:Excel报告生成完毕!")
|
||||
else:
|
||||
logger.error("阶段二:Excel报告生成失败。")
|
||||
else:
|
||||
logger.error("阶段一:空间分析失败,请检查日志。")
|
||||
|
||||
# 4. 现在,将已经对齐了坐标系的 GeoDataFrame 传递给 exact_extract
|
||||
# 注意:可以直接传递 GeoDataFrame 对象,而不仅仅是文件路径
|
||||
stats_to_calculate = ['mean', 'sum', 'count', 'min', 'max']
|
||||
results = exact_extract(raster_path, gdf, stats_to_calculate)
|
||||
logger.info("==================================================")
|
||||
logger.info(" 地理处理与土壤属性分析项目结束 ")
|
||||
logger.info("==================================================")
|
||||
|
||||
# 5. 将结果合并回 GeoDataFrame
|
||||
# exact_extract 在处理 GeoDataFrame 时,会保留原始的行顺序
|
||||
for stat in stats_to_calculate:
|
||||
# 从结果列表中提取每个要素的'properties'字典中的统计值
|
||||
gdf[stat] = [res['properties'][stat] for res in results]
|
||||
|
||||
# 打印最终带有统计结果的 GeoDataFrame
|
||||
print("\n分区统计结果:")
|
||||
print(gdf.head())
|
||||
|
||||
gdf.to_file("ddddl.shp", driver='ESRI Shapefile', encoding='utf-8')
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
Reference in New Issue
Block a user