def start_main(work_path, dem_tif, lakes_shp, river_th):
start = time.perf_counter()
# 过程数据存储路径
process_path = work_path + '/process'
if not os.path.exists(process_path):
os.makedirs(process_path)
# 结果数据存储路径
result_path = work_path + '/result'
if not os.path.exists(result_path):
os.makedirs(result_path)
print(
"-------------------------------------DEM Pit Remove---------------------------------"
)
stage_time = time.perf_counter()
dem_filled_tif = process_path + "/dem_filled.tif"
# DEM填洼
tu.pit_remove(dem_tif, dem_filled_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------Get Direction and Accumulation--------------------------"
)
stage_time = time.perf_counter()
dir_tif = process_path + "/dir.tif"
acc_tif = process_path + "/acc.tif"
# 计算流向、汇流累积量
gda.get_dir_acc(process_path, dem_tif_path, dir_tif, acc_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-----------------------------------Get Lakes Raster----------------------------------"
)
stage_time = time.perf_counter()
# 将湖泊/水库栅格化同基本数据一致标准
lakes_tif = process_path + '/lakes_99.tif'
vr.lake_rasterize(lakes_shp, dir_tif, lakes_tif, -99, -9, 1)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-------------------------------------Get Rivers-------------------------------------"
)
stage_time = time.perf_counter()
# 提取河网
re.get_river(process_path, acc_tif, river_th)
river_tif = process_path + "/stream.tif"
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"------------------------------------Record Rivers------------------------------------"
)
stage_time = time.perf_counter()
# 记录河系信息
rr.record_rivers(process_path, river_tif, acc_tif)
river_record = process_path + "/river_record.txt"
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------Get Revised Water----------------------------------"
)
stage_time = time.perf_counter()
water_revised_path = process_path + "/lake_revised.tif"
cu.copy_tif_data(lakes_tif, water_revised_path)
# 修正湖泊/水库边界
wr.water_revise(water_revised_path, river_tif, river_record, dir_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------Get Slope Surface----------------------------------"
)
stage_time = time.perf_counter()
# 提取坡面和湖泊/水库
sse.get_slope_surface(process_path, water_revised_path, dir_tif, acc_tif,
river_th, -9)
water_s_s_tif_path = process_path + "/water_slope.tif"
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"------------------------------------Get Watershed-----------------------------------"
)
stage_time = time.perf_counter()
# 提取子流域
we.watershed_extract(process_path, dem_filled_tif, dir_tif, acc_tif,
river_tif, water_s_s_tif_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-----------------------------------Copy Result Data----------------------------------"
)
# 复制修正后的湖泊/水库、坡面流路、子流域以及河网矢量结果数据到文件夹
print("-> Copy Water/Slope surface route/Stream...")
stage_time = time.perf_counter()
file_list = os.listdir(process_path)
result_files = ["water_revised", "slope_surface_route", "watershed"]
for file in file_list:
file_info = file.split(".")
if file_info[0] in result_files:
shutil.copy(process_path + "/" + file, result_path + "/" + file)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制河网栅格结果数据和重分类
print("-> Copy/Reclassify Stream...")
stage_time = time.perf_counter()
river_ds = gdal.Open(river_tif)
no_data_value = river_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(river_tif, result_path + "/stream.tif", [[0]],
[int(no_data_value)])
river_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制坡面结果数据和重分类
print("-> Copy/Reclassify Slope surface...")
stage_time = time.perf_counter()
w_w_surface_ds = gdal.Open(water_s_s_tif_path)
no_data_value = w_w_surface_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(water_s_s_tif_path, result_path + "/slope.tif", [[-99]],
[int(no_data_value)])
w_w_surface_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------------Over----------------------------------------"
)
end = time.perf_counter()
print('Total time: ', end - start, 's')
def demo3(workspace_path, dem_tif_path, dir_tif_path, acc_tif_path,
water_tif_path, river_threshold):
start = time.perf_counter()
# 工作空间路径
process_path = workspace_path + "/process"
if not os.path.exists(process_path):
os.makedirs(process_path)
# 流向数据重分类
print(
"--------------------------------Reclassify Direction--------------------------------"
)
stage_time = time.perf_counter()
dir_reclass_tif = process_path + "/dir_reclass.tif"
dc.dir_reclassify(dir_tif_path, dir_reclass_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 提取河系
print(
"-------------------------------------Get Rivers-------------------------------------"
)
stage_time = time.perf_counter()
re.get_river(process_path, acc_tif_path, river_threshold)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 记录河系信息
print(
"------------------------------------Record Rivers------------------------------------"
)
stage_time = time.perf_counter()
river_tif_path = process_path + "/stream.tif"
rr.record_rivers(process_path, river_tif_path, acc_tif_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 修正湖泊/水库边界
print(
"----------------------------------Get Revised Water----------------------------------"
)
stage_time = time.perf_counter()
water_revised_path = process_path + "/lake_revised.tif"
cu.copy_tif_data(water_tif_path, water_revised_path)
wr.water_revise(water_revised_path, river_tif_path,
process_path + "/river_record.txt", dir_reclass_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 提取坡面和湖泊/水库
print(
"----------------------------------Get Slope Surface----------------------------------"
)
stage_time = time.perf_counter()
sse.get_slope_surface(process_path, water_revised_path, dir_reclass_tif,
acc_tif_path, river_threshold, -9)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 提取子流域
print(
"------------------------------------Get Watershed-----------------------------------"
)
stage_time = time.perf_counter()
water_s_s_tif_path = process_path + "/water_slope.tif"
we.watershed_extract(process_path, dem_tif_path, dir_reclass_tif,
acc_tif_path, river_tif_path, water_s_s_tif_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 结果文件夹
print(
"-----------------------------------Copy Result Data----------------------------------"
)
result_path = workspace_path + "/result"
if not os.path.exists(result_path):
os.makedirs(result_path)
# 复制修正后的湖泊/水库、坡面流路、子流域以及河网矢量结果数据到文件夹
print("-> Copy Water/Slope surface route/Stream...")
stage_time = time.perf_counter()
file_list = os.listdir(process_path)
result_files = [
"water_revised", "slope_surface_route", "watershed", "stream_shp"
]
for file in file_list:
file_info = file.split(".")
if file_info[0] in result_files:
shutil.copy(process_path + "/" + file, result_path + "/" + file)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制河网栅格结果数据和重分类
print("-> Copy/Reclassify Stream...")
stage_time = time.perf_counter()
river_ds = gdal.Open(river_tif_path)
no_data_value = river_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(river_tif_path, result_path + "/stream.tif", [[0]],
[int(no_data_value)])
river_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制坡面结果数据和重分类
print("-> Copy/Reclassify Slope surface...")
stage_time = time.perf_counter()
w_w_surface_ds = gdal.Open(water_s_s_tif_path)
no_data_value = w_w_surface_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(water_s_s_tif_path, result_path + "/slope.tif", [[-99]],
[int(no_data_value)])
w_w_surface_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print("------Over------")
end = time.perf_counter()
print('Total time: ', end - start, 's')
def demo6(workspace_path, catalog_path, geojson_path, river_threshold):
start = time.perf_counter()
# 工作空间路径
data_path = workspace_path + "/data"
if not os.path.exists(data_path):
os.makedirs(data_path)
# 查询计算区域的数据
print(
"----------------------------------Search Raster Data----------------------------------"
)
stage_time = time.perf_counter()
# DEM数据路径
dem_tif_path = data_path + "/dem.tif"
# 流向数据路径
dir_tif_path = data_path + "/dir.tif"
# 汇流累积量数据路径
acc_tif_path = data_path + "/acc.tif"
# 湖泊/水库数据路径
water_tif_path = data_path + "/lakes.tif"
print("Output Data.")
ds.data_search(catalog_path, geojson_path, dem_tif_path, dir_tif_path,
acc_tif_path, water_tif_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 工作空间路径
process_path = workspace_path + "/process"
if not os.path.exists(process_path):
os.makedirs(process_path)
# 裁剪研究区域的数据
print(
"----------------------------------Crop Raster Data----------------------------------"
)
stage_time = time.perf_counter()
dem_clip = process_path + "/dem_clip.tif"
dir_clip = process_path + "/dir_clip.tif"
acc_clip = process_path + "/acc_clip.tif"
lakes_clip = process_path + "/lakes_clip.tif"
ct.geojson_clip_tif(geojson_path, dem_tif_path, dem_clip)
ct.geojson_clip_tif(geojson_path, dir_tif_path, dir_clip)
ct.geojson_clip_tif(geojson_path, acc_tif_path, acc_clip)
ct.geojson_clip_tif(geojson_path, water_tif_path, lakes_clip)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 重新计算流向数据和汇流累积量
print(
"--------------------------------TauDEM Direction and Accumulation--------------------------------"
)
stage_time = time.perf_counter()
dir_tau_tif = process_path + "/dir_tau.tif"
acc_tau_tif = process_path + "/acc_tau.tif"
gda.get_dir_acc(process_path, dem_clip, dir_tau_tif, acc_tau_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 提取河系
print(
"-------------------------------------Get Rivers-------------------------------------"
)
stage_time = time.perf_counter()
re.get_river(process_path, acc_tau_tif, river_threshold)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 记录河系信息
print(
"------------------------------------Record Rivers------------------------------------"
)
stage_time = time.perf_counter()
river_tif_path = process_path + "/stream.tif"
rr.record_rivers(process_path, river_tif_path, acc_tau_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 修正湖泊/水库边界
print(
"----------------------------------Get Revised Water----------------------------------"
)
stage_time = time.perf_counter()
water_revised_path = process_path + "/lake_revised.tif"
cu.copy_tif_data(lakes_clip, water_revised_path)
wr.water_revise(water_revised_path, river_tif_path,
process_path + "/river_record.txt", dir_tau_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 提取坡面和湖泊/水库
print(
"----------------------------------Get Slope Surface----------------------------------"
)
stage_time = time.perf_counter()
sse.get_slope_surface(process_path, water_revised_path, dir_tau_tif,
acc_tau_tif, river_threshold, -9)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 提取子流域
print(
"------------------------------------Get Watershed-----------------------------------"
)
stage_time = time.perf_counter()
water_s_s_tif_path = process_path + "/water_slope.tif"
we.watershed_extract(process_path, dem_clip, dir_tau_tif, acc_tau_tif,
river_tif_path, water_s_s_tif_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 结果文件夹
print(
"-----------------------------------Copy Result Data----------------------------------"
)
result_path = workspace_path + "/result"
if not os.path.exists(result_path):
os.makedirs(result_path)
# 复制修正后的湖泊/水库、坡面流路、子流域以及河网矢量结果数据到文件夹
print("-> Copy Water/Slope surface route/Stream...")
stage_time = time.perf_counter()
file_list = os.listdir(process_path)
result_files = [
"water_revised", "slope_surface_route", "watershed", "stream_shp"
]
for file in file_list:
file_info = file.split(".")
if file_info[0] in result_files:
shutil.copy(process_path + "/" + file, result_path + "/" + file)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制河网栅格结果数据和重分类
print("-> Copy/Reclassify Stream...")
stage_time = time.perf_counter()
river_ds = gdal.Open(river_tif_path)
no_data_value = river_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(river_tif_path, result_path + "/stream.tif", [[0]],
[int(no_data_value)])
river_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制坡面结果数据和重分类
print("-> Copy/Reclassify Slope surface...")
stage_time = time.perf_counter()
w_w_surface_ds = gdal.Open(water_s_s_tif_path)
no_data_value = w_w_surface_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(water_s_s_tif_path, result_path + "/slope.tif", [[-99]],
[int(no_data_value)])
w_w_surface_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"---------------------------------Delete Temporary Files-----------------------------"
)
stage_time = time.perf_counter()
print("Delete Folders...")
shutil.rmtree(process_path)
shutil.rmtree(data_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------------Over----------------------------------------"
)
end = time.perf_counter()
print('Total time: ', end - start, 's')
def start_main(work_path, geojson_path, lakes_area, river_th):
start = time.perf_counter()
# 基础数据存储路径
data_path = work_path + '/data'
if not os.path.exists(data_path):
os.makedirs(data_path)
# 过程数据存储路径
process_path = work_path + '/process'
if not os.path.exists(process_path):
os.makedirs(process_path)
# 结果数据存储路径
result_path = work_path + '/result'
if not os.path.exists(result_path):
os.makedirs(result_path)
print(
"----------------------------------Search Basic Data----------------------------------"
)
stage_time = time.perf_counter()
# 从RDD中获取兴趣范围内的基本数据
gdfr.get_basic_data(data_path, catalog_path, geojson_path)
# 得到的基本数据所在路径
dem_tif = data_path + '/dem.tif'
acc_tif = data_path + '/acc.tif'
dir_o_tif = data_path + '/dir_o.tif'
dir_tif = data_path + '/dir.tif'
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-----------------------------------Get Lakes Data----------------------------------"
)
stage_time = time.perf_counter()
# 兴趣范围转为shp格式
# extent_data = process_path + '/extent.shp'
# cu.geojson_to_shp(geojson_path, extent_data)
# # 提取兴趣范围内的湖泊/水库范围
# lakes_shp = data_path + '/lakes_shp.shp'
# fl.filter_lakes_extent_area(o_lake_data, extent_data, lakes_shp, lakes_area)
lakes_shp = data_path + '/lakes_shp.shp'
fls.clip_shp(geojson_path, o_lake_data, lakes_shp)
# 将湖泊/水库栅格化同基本数据一致标准
lakes_tif = process_path + '/lakes_99.tif'
vr.lake_rasterize(lakes_shp, dir_tif, lakes_tif, -99, -9, 1)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-------------------------------------Get Rivers-------------------------------------"
)
stage_time = time.perf_counter()
# 提取河网
re.get_river(process_path, acc_tif, river_th)
river_tif = process_path + "/stream.tif"
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-------------------------------Add Finals to Rivers---------------------------------"
)
stage_time = time.perf_counter()
# 记录区域内的内流终点
trace_starts = process_path + "/trace_starts.tif"
final_record = process_path + '/finals.txt'
seaside_record = process_path + "/seaside_record.txt"
lo.get_trace_points(dir_tif,
dir_o_tif,
trace_starts,
seaside_txt=seaside_record,
final_txt=final_record)
raf.add_final_to_river(dir_tif, final_record, river_tif, acc_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"------------------------------------Record Rivers------------------------------------"
)
stage_time = time.perf_counter()
# 记录河系信息
rr.record_rivers(process_path, river_tif, acc_tif)
river_record = process_path + "/river_record.txt"
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------Get Revised Water----------------------------------"
)
stage_time = time.perf_counter()
water_revised_path = process_path + "/lake_revised.tif"
cu.copy_tif_data(lakes_tif, water_revised_path)
# 修正湖泊/水库边界
wr.water_revise(water_revised_path, river_tif, river_record, dir_tif)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------Get Slope Surface----------------------------------"
)
stage_time = time.perf_counter()
# 提取坡面和湖泊/水库
sse.get_slope_surface(process_path, water_revised_path, dir_tif, acc_tif,
river_th, -9)
water_s_s_tif_path = process_path + "/water_slope.tif"
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"------------------------------------Get Watershed-----------------------------------"
)
stage_time = time.perf_counter()
# 提取子流域
we.watershed_extract(process_path, dem_tif, dir_tif, acc_tif, river_tif,
water_s_s_tif_path)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"-----------------------------------Copy Result Data----------------------------------"
)
# 复制修正后的湖泊/水库、坡面流路、子流域以及河网矢量结果数据到文件夹
print("-> Copy Water/Slope surface route/Stream...")
stage_time = time.perf_counter()
file_list = os.listdir(process_path)
result_files = ["water_revised", "slope_surface_route", "watershed"]
for file in file_list:
file_info = file.split(".")
if file_info[0] in result_files:
shutil.copy(process_path + "/" + file, result_path + "/" + file)
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制河网栅格结果数据和重分类
print("-> Copy/Reclassify Stream...")
stage_time = time.perf_counter()
river_ds = gdal.Open(river_tif)
no_data_value = river_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(river_tif, result_path + "/stream.tif", [[0]],
[int(no_data_value)])
river_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
# 复制坡面结果数据和重分类
print("-> Copy/Reclassify Slope surface...")
stage_time = time.perf_counter()
w_w_surface_ds = gdal.Open(water_s_s_tif_path)
no_data_value = w_w_surface_ds.GetRasterBand(1).GetNoDataValue()
cu.tif_reclassify(water_s_s_tif_path, result_path + "/slope.tif", [[-99]],
[int(no_data_value)])
w_w_surface_ds = None
over_time = time.perf_counter()
print("Run time: ", over_time - stage_time, 's')
print(
"----------------------------------------Over----------------------------------------"
)
end = time.perf_counter()
print('Total time: ', end - start, 's')