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test_vectorutils.py
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import os
import pytest
from shutil import copy2
import platform
GEOPANDAS_NOT_AVAIL = False
try:
import geopandas
except ImportError:
GEOPANDAS_NOT_AVAIL = True
RTREE_NOT_AVAIL = False
try:
import rtree
except ImportError:
RTREE_NOT_AVAIL = True
SHAPELY_NOT_AVAIL = False
try:
import shapely
except ImportError:
SHAPELY_NOT_AVAIL = True
on_windows = platform.system() == "Windows"
DATA_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "data")
VECTORUTILS_DATA_DIR = os.path.join(DATA_DIR, "vectorutils")
CLASSIFICATION_DATA_DIR = os.path.join(DATA_DIR, "classification")
IMGUTILS_DATA_DIR = os.path.join(DATA_DIR, "imageutils")
REGRESS_DATA_DIR = os.path.join(DATA_DIR, "regression")
# TODO - workout what is happening on Windows.
@pytest.mark.skipif(on_windows, reason="Problems on Windows removing files")
def test_delete_vector_file(tmp_path):
import rsgislib.vectorutils
import shutil
ref_vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
cp_vec_file = os.path.join(tmp_path, "cls_forest_smpls.gpkg")
shutil.copyfile(ref_vec_file, cp_vec_file)
if not os.path.exists(cp_vec_file):
raise Exception("Test file is not present")
rsgislib.vectorutils.delete_vector_file(cp_vec_file)
assert not os.path.exists(cp_vec_file)
def test_check_format_name_geojson1():
import rsgislib.vectorutils
assert "GeoJSON" == rsgislib.vectorutils.check_format_name("GEOJSON")
def test_check_format_name_geojson2():
import rsgislib.vectorutils
assert "GeoJSON" == rsgislib.vectorutils.check_format_name("geojson")
def test_check_format_name_geojson3():
import rsgislib.vectorutils
assert "GeoJSON" == rsgislib.vectorutils.check_format_name("GeoJSON")
def test_check_format_name_gpkg():
import rsgislib.vectorutils
assert "GPKG" == rsgislib.vectorutils.check_format_name("GPKG")
def test_check_format_name_shp():
import rsgislib.vectorutils
assert "ESRI Shapefile" == rsgislib.vectorutils.check_format_name("ESRI Shapefile")
def test_get_file_vec_extension_gpkg():
import rsgislib.vectorutils
assert "gpkg" == rsgislib.vectorutils.get_file_vec_extension("GPKG")
def test_get_file_vec_extension_shp():
import rsgislib.vectorutils
assert "shp" == rsgislib.vectorutils.get_file_vec_extension("ESRI Shapefile")
def test_get_file_vec_extension_geojson():
import rsgislib.vectorutils
assert "geojson" == rsgislib.vectorutils.get_file_vec_extension("GeoJSON")
def test_get_proj_wkt_from_vec_osgb():
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
wkt_str = rsgislib.vectorutils.get_proj_wkt_from_vec(vec_file, vec_lyr)
assert "British National Grid" in wkt_str
def test_get_proj_epsg_from_vec_osgb():
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
epsg_code = rsgislib.vectorutils.get_proj_epsg_from_vec(vec_file, vec_lyr)
assert epsg_code == 27700
def test_get_vec_feat_count():
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
n_feats = rsgislib.vectorutils.get_vec_feat_count(vec_file, vec_lyr)
assert n_feats == 9
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_count_feats_per_att_val():
import rsgislib.vectorutils
vec_file = os.path.join(
VECTORUTILS_DATA_DIR, "sen2_20210527_aber_att_vals_dups.geojson"
)
vec_lyr = "sen2_20210527_aber_att_vals_dups"
out_dict = rsgislib.vectorutils.count_feats_per_att_val(vec_file, vec_lyr, "StrCol")
assert (
(out_dict["One"] == 2) and (out_dict["Two"] == 2) and (out_dict["Three"] == 2)
)
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_count_feats_per_att_val_df_dict():
import rsgislib.vectorutils
vec_file = os.path.join(
VECTORUTILS_DATA_DIR, "sen2_20210527_aber_att_vals_dups.geojson"
)
vec_lyr = "sen2_20210527_aber_att_vals_dups"
out_dict = rsgislib.vectorutils.count_feats_per_att_val(
vec_file, vec_lyr, "StrCol", True
)
assert (
(out_dict["count"][0] == 2)
and (out_dict["count"][1] == 2)
and (out_dict["count"][2] == 2)
)
def test_merge_vectors_to_gpkg(tmp_path):
import rsgislib.vectorutils
vec_file_1 = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_file_2 = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_file_3 = os.path.join(VECTORUTILS_DATA_DIR, "cls_urban_smpls.gpkg")
vec_file_4 = os.path.join(VECTORUTILS_DATA_DIR, "cls_water_smpls.gpkg")
in_vec_files = [vec_file_1, vec_file_2, vec_file_3, vec_file_4]
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.merge_vectors_to_gpkg(in_vec_files, out_vec_file, out_vec_lyr)
assert os.path.exists(out_vec_file)
def test_merge_vector_lyrs_to_gpkg(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(CLASSIFICATION_DATA_DIR, "cls_poly_smpls.gpkg")
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.merge_vector_lyrs_to_gpkg(vec_file, out_vec_file, out_vec_lyr)
assert os.path.exists(out_vec_file)
def test_merge_vectors_to_gpkg_ind_lyrs(tmp_path):
import rsgislib.vectorutils
vec_file_1 = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_file_2 = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_file_3 = os.path.join(VECTORUTILS_DATA_DIR, "cls_urban_smpls.gpkg")
vec_file_4 = os.path.join(VECTORUTILS_DATA_DIR, "cls_water_smpls.gpkg")
in_vec_files = [vec_file_1, vec_file_2, vec_file_3, vec_file_4]
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
rsgislib.vectorutils.merge_vectors_to_gpkg_ind_lyrs(in_vec_files, out_vec_file)
assert os.path.exists(out_vec_file)
def test_merge_vectors_to_gpkg_ind_lyrs_geom_type(tmp_path):
import rsgislib.vectorutils
vec_file_1 = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_file_2 = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_file_3 = os.path.join(VECTORUTILS_DATA_DIR, "cls_urban_smpls.gpkg")
vec_file_4 = os.path.join(VECTORUTILS_DATA_DIR, "cls_water_smpls.gpkg")
in_vec_files = [vec_file_1, vec_file_2, vec_file_3, vec_file_4]
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
rsgislib.vectorutils.merge_vectors_to_gpkg_ind_lyrs(
in_vec_files, out_vec_file, geom_type="POLYGON"
)
assert os.path.exists(out_vec_file)
def test_merge_vectors_to_gpkg_ind_lyrs_geom_type_excp(tmp_path):
import rsgislib
import rsgislib.vectorutils
vec_file_1 = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_file_2 = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_file_3 = os.path.join(VECTORUTILS_DATA_DIR, "cls_urban_smpls.gpkg")
vec_file_4 = os.path.join(VECTORUTILS_DATA_DIR, "cls_water_smpls.gpkg")
in_vec_files = [vec_file_1, vec_file_2, vec_file_3, vec_file_4]
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
with pytest.raises(rsgislib.RSGISPyException):
rsgislib.vectorutils.merge_vectors_to_gpkg_ind_lyrs(
in_vec_files, out_vec_file, geom_type="ERR"
)
def test_merge_to_multi_layer_vec(tmp_path):
import rsgislib.vectorutils
vec_file_1 = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_file_2 = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_file_3 = os.path.join(VECTORUTILS_DATA_DIR, "cls_urban_smpls.gpkg")
vec_file_4 = os.path.join(VECTORUTILS_DATA_DIR, "cls_water_smpls.gpkg")
input_file_lyrs = list()
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_1, "cls_forest_smpls", "cls_forest_smpls"
)
)
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_2, "cls_grass_smpls", "cls_grass_smpls"
)
)
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_3, "cls_urban_smpls", "cls_urban_smpls"
)
)
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_4, "cls_water_smpls", "cls_water_smpls"
)
)
out_vec_file = os.path.join(tmp_path, "cls_poly_smpls.gpkg")
rsgislib.vectorutils.merge_to_multi_layer_vec(
input_file_lyrs, out_vec_file, out_format="GPKG", overwrite=False
)
assert os.path.exists(out_vec_file)
def test_merge_to_multi_layer_vec_exists(tmp_path):
import rsgislib.vectorutils
vec_file_1 = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_file_2 = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_file_3 = os.path.join(VECTORUTILS_DATA_DIR, "cls_urban_smpls.gpkg")
vec_file_4 = os.path.join(VECTORUTILS_DATA_DIR, "cls_water_smpls.gpkg")
input_file_lyrs = list()
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_1, "cls_forest_smpls", "cls_forest_smpls"
)
)
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_2, "cls_grass_smpls", "cls_grass_smpls"
)
)
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_3, "cls_urban_smpls", "cls_urban_smpls"
)
)
input_file_lyrs.append(
rsgislib.vectorutils.VecLayersInfoObj(
vec_file_4, "cls_water_smpls", "cls_water_smpls"
)
)
out_vec_file = os.path.join(tmp_path, "cls_poly_smpls.gpkg")
rsgislib.vectorutils.merge_to_multi_layer_vec(
input_file_lyrs, out_vec_file, out_format="GPKG", overwrite=False
)
# Run it again so that file exists.
rsgislib.vectorutils.merge_to_multi_layer_vec(
input_file_lyrs, out_vec_file, out_format="GPKG", overwrite=True
)
assert os.path.exists(out_vec_file)
def test_get_vec_lyrs_lst():
import rsgislib.vectorutils
vec_file = os.path.join(CLASSIFICATION_DATA_DIR, "cls_poly_smpls.gpkg")
lyrs = rsgislib.vectorutils.get_vec_lyrs_lst(vec_file)
assert len(lyrs) == 4
def test_get_vec_layer_extent():
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
bbox = rsgislib.vectorutils.get_vec_layer_extent(vec_file, vec_lyr)
assert (
(abs(bbox[0] - 259022.6875) < 1)
and (abs(bbox[1] - 266288.4375) < 1)
and (abs(bbox[2] - 277206.96875) < 1)
and (abs(bbox[3] - 282311.96875) < 1)
)
def test_get_vec_layer_extent_file_excp():
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "err_file.gpkg")
vec_lyr = "err_lyr"
with pytest.raises(rsgislib.RSGISPyException):
rsgislib.vectorutils.get_vec_layer_extent(vec_file, vec_lyr)
def test_get_vec_layer_extent_lyr_excp():
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "err_lyr"
with pytest.raises(rsgislib.RSGISPyException):
rsgislib.vectorutils.get_vec_layer_extent(vec_file, vec_lyr)
def test_split_vec_lyr(tmp_path):
import rsgislib.vectorutils
import glob
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
rsgislib.vectorutils.split_vec_lyr(
vec_file, vec_lyr, 2, "GeoJSON", tmp_path, "out_vec", "geojson"
)
out_files = glob.glob(os.path.join(tmp_path, "out_vec*.geojson"))
assert len(out_files) == 5
def test_reproj_vector_layer(tmp_path):
import rsgislib.vectorutils
import rsgislib.tools.utils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
wkt_file = os.path.join(IMGUTILS_DATA_DIR, "utm30n.wkt")
out_proj_wkt = rsgislib.tools.utils.read_text_file_no_new_lines(wkt_file)
rsgislib.vectorutils.reproj_vector_layer(
vec_file,
out_vec_file,
out_proj_wkt,
out_format="GPKG",
out_vec_lyr=out_vec_lyr,
vec_lyr=vec_lyr,
in_proj_wkt=None,
del_exist_vec=False,
)
assert os.path.exists(out_vec_file)
def test_reproj_vec_lyr_obj_4326(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.open_gdal_vec_lyr(vec_file, vec_lyr)
rsgislib.vectorutils.reproj_vec_lyr_obj(
vec_lyr_obj, out_vec_file, 4326, out_format="GPKG", out_vec_lyr=out_vec_lyr
)
vec_obj_ds = None
assert os.path.exists(out_vec_file)
def test_reproj_vec_lyr_obj_32630(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_forest_smpls.gpkg")
vec_lyr = "cls_forest_smpls"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.open_gdal_vec_lyr(vec_file, vec_lyr)
rsgislib.vectorutils.reproj_vec_lyr_obj(
vec_lyr_obj, out_vec_file, 32630, out_format="GPKG", out_vec_lyr=out_vec_lyr
)
vec_obj_ds = None
assert os.path.exists(out_vec_file)
def test_get_att_lst_select_feats():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_sel_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_sel_lyr = "cls_grass_smpls"
att_names = ["re_b4", "re_b5"]
out_vals = rsgislib.vectorutils.get_att_lst_select_feats(
vec_file, vec_lyr, att_names, vec_sel_file, vec_sel_lyr
)
assert len(out_vals) == 3
def test_get_att_lst_select_feats_lyr_objs():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.open_gdal_vec_lyr(vec_file, vec_lyr)
vec_sel_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_sel_lyr = "cls_grass_smpls"
vec_sel_obj_ds, vec_lyr_sel_obj = rsgislib.vectorutils.open_gdal_vec_lyr(
vec_sel_file, vec_sel_lyr
)
att_names = ["re_b4", "re_b5"]
out_vals = rsgislib.vectorutils.get_att_lst_select_feats_lyr_objs(
vec_lyr_obj, att_names, vec_lyr_sel_obj
)
vec_obj_ds = None
vec_sel_obj_ds = None
assert len(out_vals) == 3
def test_get_att_lst_select_bbox_feats():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
bbox = [262987, 264883, 280213, 282551]
att_names = ["re_b4", "re_b5"]
out_vals = rsgislib.vectorutils.get_att_lst_select_bbox_feats(
vec_file, vec_lyr, att_names, bbox, 27700
)
assert len(out_vals) == 7
def test_get_att_lst_select_bbox_feats_lyr_objs():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.open_gdal_vec_lyr(vec_file, vec_lyr)
bbox = [262987, 264883, 280213, 282551]
att_names = ["re_b4", "re_b5"]
out_vals = rsgislib.vectorutils.get_att_lst_select_bbox_feats_lyr_objs(
vec_lyr_obj, att_names, bbox, 27700
)
vec_obj_ds = None
vec_sel_obj_ds = None
assert len(out_vals) == 7
def test_select_intersect_feats(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_roi_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_roi_lyr = "cls_grass_smpls"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.select_intersect_feats(
vec_file,
vec_lyr,
vec_roi_file,
vec_roi_lyr,
out_vec_file,
out_vec_lyr,
out_format="GPKG",
)
assert os.path.exists(out_vec_file)
def test_export_spatial_select_feats(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_roi_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_roi_lyr = "cls_grass_smpls"
out_vec_file = os.path.join(tmp_path, "out_vec.geojson")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.export_spatial_select_feats(
vec_file,
vec_lyr,
vec_roi_file,
vec_roi_lyr,
out_vec_file,
out_vec_lyr,
out_format="GeoJSON",
)
assert os.path.exists(out_vec_file)
def test_get_vec_lyr_cols():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
cols = rsgislib.vectorutils.get_vec_lyr_cols(vec_file, vec_lyr)
assert len(cols) == 6
def test_subset_envs_vec_lyr_obj():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.open_gdal_vec_lyr(vec_file, vec_lyr)
bbox = [262987, 264883, 280213, 282551]
vec_rsl_obj_ds, vec_lyr_rsl_obj = rsgislib.vectorutils.subset_envs_vec_lyr_obj(
vec_lyr_obj, bbox, epsg=27700
)
vec_rsl_obj_ds = None
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_subset_veclyr_to_featboxs(tmp_path):
import rsgislib.vectorutils
import glob
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_roi_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_roi_lyr = "cls_grass_smpls"
out_file_base = os.path.join(tmp_path, "out_vec")
rsgislib.vectorutils.subset_veclyr_to_featboxs(
vec_roi_file,
vec_roi_lyr,
vec_file,
vec_lyr,
"sub_grasslands",
out_file_base,
out_file_end="gpkg",
out_format="GPKG",
)
out_vecs = glob.glob(os.path.join(tmp_path, "out_vec*.gpkg"))
assert len(out_vecs) == 11
def test_read_vec_lyr_to_mem():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.read_vec_lyr_to_mem(
vec_file, vec_lyr
)
vec_obj_ds = None
def test_open_gdal_vec_lyr():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.open_gdal_vec_lyr(vec_file, vec_lyr)
vec_obj_ds = None
def test_get_mem_vec_lyr_subset():
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
bbox = [262987, 264883, 280213, 282551]
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.get_mem_vec_lyr_subset(
vec_file, vec_lyr, bbox
)
vec_obj_ds = None
def test_write_vec_lyr_to_file(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
bbox = [262987, 264883, 280213, 282551]
vec_obj_ds, vec_lyr_obj = rsgislib.vectorutils.get_mem_vec_lyr_subset(
vec_file, vec_lyr, bbox
)
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.write_vec_lyr_to_file(
vec_lyr_obj, out_vec_file, out_vec_lyr, out_format="GPKG"
)
vec_obj_ds = None
assert os.path.exists(out_vec_file)
def test_create_copy_vector_lyr(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.create_copy_vector_lyr(
vec_file, vec_lyr, out_vec_file, out_vec_lyr, out_format="GPKG"
)
assert os.path.exists(out_vec_file)
def test_get_ogr_vec_col_datatype_from_gdal_rat_col_datatype_int():
import rsgislib.vectorutils
from osgeo import gdal
from osgeo import ogr
assert (
rsgislib.vectorutils.get_ogr_vec_col_datatype_from_gdal_rat_col_datatype(
gdal.GFT_Integer
)
== ogr.OFTInteger
)
def test_get_ogr_vec_col_datatype_from_gdal_rat_col_datatype_flt():
import rsgislib.vectorutils
from osgeo import gdal
from osgeo import ogr
assert (
rsgislib.vectorutils.get_ogr_vec_col_datatype_from_gdal_rat_col_datatype(
gdal.GFT_Real
)
== ogr.OFTReal
)
def test_get_ogr_vec_col_datatype_from_gdal_rat_col_datatype_str():
import rsgislib.vectorutils
from osgeo import gdal
from osgeo import ogr
assert (
rsgislib.vectorutils.get_ogr_vec_col_datatype_from_gdal_rat_col_datatype(
gdal.GFT_String
)
== ogr.OFTString
)
def test_copy_rat_cols_to_vector_lyr(tmp_path):
import rsgislib.vectorutils
import rsgislib.vectorutils.createrasters
import rsgislib.rastergis
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber.kea")
vec_ref_file = os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson")
vec_file = os.path.join(tmp_path, "aber_osgb_multi_polys.geojson")
vec_lyr = "aber_osgb_multi_polys"
copy2(vec_ref_file, vec_file)
clumps_img = os.path.join(tmp_path, "clumps_img.kea")
rsgislib.vectorutils.createrasters.rasterise_vec_lyr(
vec_file, vec_lyr, input_img, clumps_img, gdalformat="KEA", att_column="val"
)
bs = []
bs.append(
rsgislib.rastergis.BandAttStats(
band=1, min_field="b1Min", max_field="b1Max", mean_field="b1Mean"
)
)
bs.append(
rsgislib.rastergis.BandAttStats(
band=2, min_field="b2Min", max_field="b2Max", mean_field="b2Mean"
)
)
rsgislib.rastergis.populate_rat_with_stats(input_img, clumps_img, bs)
ratcols = ["b1Min", "b1Max", "b1Mean", "b2Min", "b2Max", "b2Mean"]
out_col_names = ["b1Min", "b1Max", "b1Mean", "b2Min", "b2Max", "b2Mean"]
rsgislib.vectorutils.copy_rat_cols_to_vector_lyr(
vec_file, vec_lyr, "val", clumps_img, ratcols, out_col_names, out_col_types=None
)
def test_vector_maths(tmp_path):
import rsgislib.vectorutils
import rsgislib.vectorattrs
import numpy
vec_file = os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson")
vec_lyr = "aber_osgb_multi_polys"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
vars = list()
vars.append(rsgislib.vectorutils.VecColVar(name="val", field_name="val"))
rsgislib.vectorutils.vector_maths(
vec_file,
vec_lyr,
out_vec_file,
out_vec_lyr,
"GPKG",
"out_vals",
"val * val",
vars,
True,
)
# Check values are correct.
in_vals_lst = rsgislib.vectorattrs.read_vec_column(vec_file, vec_lyr, "val")
in_vals = numpy.array(in_vals_lst)
calcd_out_vals = in_vals * in_vals
out_vals_lst = rsgislib.vectorattrs.read_vec_column(
out_vec_file, out_vec_lyr, "out_vals"
)
out_vals = numpy.array(out_vals_lst)
diff = numpy.abs(calcd_out_vals - out_vals)
total = numpy.sum(diff)
assert os.path.exists(out_vec_file) and (total < 0.01)
def test_create_lines_of_points(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(VECTORUTILS_DATA_DIR, "vec_lines_lyr.geojson")
vec_lyr = "vec_lines_lyr"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.create_lines_of_points(
vec_file,
vec_lyr,
out_vec_file,
out_vec_lyr,
out_format="GPKG",
step=100,
del_exist_vec=True,
)
assert os.path.exists(out_vec_file)
def test_check_validate_geometries(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson")
vec_lyr = "aber_osgb_multi_polys"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.check_validate_geometries(
vec_file,
vec_lyr,
out_vec_file,
out_vec_lyr,
"GPKG",
print_err_geoms=True,
del_exist_vec=True,
)
assert os.path.exists(out_vec_file)
def test_does_vmsk_img_intersect(tmp_path):
import rsgislib.vectorutils
input_vmsk_img = os.path.join(DATA_DIR, "sen2_20210527_aber_vldmsk.kea")
vec_roi_file = os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson")
vec_roi_lyr = "aber_osgb_multi_polys"
intersect = rsgislib.vectorutils.does_vmsk_img_intersect(
input_vmsk_img, vec_roi_file, vec_roi_lyr, tmp_dir=tmp_path
)
assert intersect
def test_vector_translate(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson")
vec_lyr = "aber_osgb_multi_polys"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.vector_translate(
vec_file, vec_lyr, out_vec_file, out_vec_lyr, out_format="GPKG"
)
assert os.path.exists(out_vec_file)
def test_reproj_wgs84_vec_to_utm(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(DATA_DIR, "degree_grid_examples_uk.geojson")
vec_lyr = "degree_grid_examples_uk"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.reproj_wgs84_vec_to_utm(
vec_file, vec_lyr, out_vec_file, out_vec_lyr, use_hemi=True, out_format="GPKG"
)
assert os.path.exists(out_vec_file)
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_spatial_select(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(REGRESS_DATA_DIR, "sample_pts.geojson")
vec_lyr = "sample_pts"
vec_roi_file = os.path.join(VECTORUTILS_DATA_DIR, "cls_grass_smpls.gpkg")
vec_roi_lyr = "cls_grass_smpls"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
rsgislib.vectorutils.spatial_select(
vec_file,
vec_lyr,
vec_roi_file,
vec_roi_lyr,
out_vec_file,
out_vec_lyr,
out_format="GPKG",
)
assert os.path.exists(out_vec_file)
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_split_by_attribute_sgl_file(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(DATA_DIR, "degree_grid_named_subset.geojson")
vec_lyr = "degree_grid_named_subset"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
split_col_name = "names"
rsgislib.vectorutils.split_by_attribute(
vec_file,
vec_lyr,
split_col_name,
multi_layers=True,
out_vec_file=out_vec_file,
out_file_path=None,
out_file_ext="gpkg",
out_format="GPKG",
)
assert os.path.exists(out_vec_file)
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_split_by_attribute_mul_files(tmp_path):
import rsgislib.vectorutils
import glob
vec_file = os.path.join(DATA_DIR, "degree_grid_named_subset.geojson")
vec_lyr = "degree_grid_named_subset"
split_col_name = "names"
rsgislib.vectorutils.split_by_attribute(
vec_file,
vec_lyr,
split_col_name,
multi_layers=False,
out_vec_file=None,
out_file_path=tmp_path,
out_file_ext="gpkg",
out_format="GPKG",
)
assert len(glob.glob(os.path.join(tmp_path, "*.gpkg"))) == 13
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_subset_by_attribute_equals(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(DATA_DIR, "degree_grid_named_subset.geojson")
vec_lyr = "degree_grid_named_subset"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
sub_col = "names"
sub_vals = ["helloN63W125world", "helloN63W123world", "helloS52E053world"]
rsgislib.vectorutils.subset_by_attribute(
vec_file,
vec_lyr,
sub_col,
sub_vals,
out_vec_file,
out_vec_lyr,
out_format="GPKG",
match_type="equals",
)
assert os.path.exists(out_vec_file)
@pytest.mark.skipif(GEOPANDAS_NOT_AVAIL, reason="geopandas dependency not available")
def test_subset_by_attribute_contains(tmp_path):
import rsgislib.vectorutils
vec_file = os.path.join(DATA_DIR, "degree_grid_named_subset.geojson")
vec_lyr = "degree_grid_named_subset"
out_vec_file = os.path.join(tmp_path, "out_vec.gpkg")
out_vec_lyr = "out_vec"
sub_col = "names"
sub_vals = ["N63"]