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test_tools_mapping.py
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import os
import pytest
MATPLOTLIB_NOT_AVAIL = False
try:
import matplotlib
except ImportError:
MATPLOTLIB_NOT_AVAIL = True
MATPLOTLIB_SCALEBAR_NOT_AVAIL = False
try:
import matplotlib_scalebar
except ImportError:
MATPLOTLIB_SCALEBAR_NOT_AVAIL = True
GEOPANDAS_NOT_AVAIL = False
try:
import geopandas
except ImportError:
GEOPANDAS_NOT_AVAIL = True
DATA_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "data")
@pytest.mark.skipif(
(MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_raster_img_map(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber_subset.kea")
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_raster_img_map(
ax, # specify the axis to which the image will be drawn
input_img, # specify the file path to the image
img_bands=[8, 9, 3], # specify the band combination
img_stch=rsgislib.IMG_STRETCH_CUMULATIVE, # specify the stretch to use
)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_raster_img_map_subset(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
bbox = [257500, 260200, 281000, 282500]
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber_subset.kea")
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_raster_img_map(
ax, # specify the axis to which the image will be drawn
input_img, # specify the file path to the image
img_bands=[8, 9, 3], # specify the band combination
img_stch=rsgislib.IMG_STRETCH_CUMULATIVE, # specify the stretch to use
bbox=bbox,
)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_raster_cmap_img_map(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber_subset.kea")
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_raster_cmap_img_map(
ax, # specify the axis to which the image will be drawn
input_img, # specify the file path to the image
img_band=1, # specify the band
)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_raster_cmap_img_map_subset(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
bbox = [257500, 260200, 281000, 282500]
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber_subset.kea")
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_raster_cmap_img_map(
ax, # specify the axis to which the image will be drawn
input_img, # specify the file path to the image
img_band=1, # specify the band
bbox=bbox,
)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_thematic_raster_map(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber_cls.kea")
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_thematic_raster_map(
ax, # specify the axis to which the image will be drawn
input_img, # specify the file path to the image
)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_thematic_raster_map_subset(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
bbox = [257500, 260200, 281000, 282500]
input_img = os.path.join(DATA_DIR, "sen2_20210527_aber_cls.kea")
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_thematic_raster_map(
ax, # specify the axis to which the image will be drawn
input_img, # specify the file path to the image
bbox=bbox,
)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(GEOPANDAS_NOT_AVAIL or MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="geopandas, matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_vec_lyr_map_sgl_vec(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
import geopandas
bbox = [257500, 260200, 281000, 282500]
vec_file = os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson")
data_gdf = geopandas.read_file(vec_file)
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_vec_lyr_map(ax, gp_vecs=data_gdf, bbox=bbox)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)
@pytest.mark.skipif(
(GEOPANDAS_NOT_AVAIL or MATPLOTLIB_NOT_AVAIL or MATPLOTLIB_SCALEBAR_NOT_AVAIL),
reason="geopandas, matplotlib or matplotlib_scalebar dependency not available",
)
def test_create_vec_lyr_map_multi_vec(tmp_path):
import rsgislib.tools.mapping
import matplotlib.pyplot as plt
import geopandas
bbox = [257500, 260200, 281000, 282500]
data_gdfs = []
data_gdfs.append(
geopandas.read_file(os.path.join(DATA_DIR, "aber_osgb_multi_polys.geojson"))
)
data_gdfs.append(
geopandas.read_file(
os.path.join(DATA_DIR, "aber_osgb_single_poly_hole.geojson")
)
)
fig, ax = plt.subplots(figsize=(5, 5))
rsgislib.tools.mapping.create_vec_lyr_map(ax, gp_vecs=data_gdfs, bbox=bbox)
out_plot_img = os.path.join(tmp_path, "out_map_img.png")
plt.savefig(out_plot_img)
assert os.path.exists(out_plot_img)