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test_tools_geometrytools.py
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def test_reproj_point_OSGB_UTM():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 "
"+x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 "
"+units=m +no_defs"
)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(32630)
osgb_x = 258051.0
osgb_y = 281605.0
utm_x, utm_y = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, osgb_x, osgb_y
)
print(f"X: {utm_x} Y: {utm_y}")
ref_utm_x = 425966.1
ref_utm_y = 5807642.0
assert (abs(ref_utm_x - utm_x) < 2) and (abs(ref_utm_y - utm_y) < 2)
def test_reproj_point_OSGB_WGS84():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 "
"+x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 "
"+units=m +no_defs"
)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(4326)
osgb_x = 258051.0
osgb_y = 281605.0
lon, lat = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, osgb_x, osgb_y
)
print(f"lon: {lon} lat: {lat}")
ref_lon = -4.0885
ref_lat = 52.4140
assert (abs(ref_lon - lon) < 0.001) and (abs(ref_lat - lat) < 0.001)
def test_reproj_point_WGS84_OSGB():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromEPSG(4326)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 "
"+x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 "
"+units=m +no_defs"
)
lon = -4.0885
lat = 52.4140
osgb_x, osgb_y = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, lon, lat
)
print(f"X: {osgb_x} Y: {osgb_y}")
ref_osgb_x = 258051.3
ref_osgb_y = 281606.4
assert (abs(ref_osgb_x - osgb_x) < 2) and (abs(ref_osgb_y - osgb_y) < 2)
def test_reproj_point_WGS84_UTM_1():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromEPSG(4326)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(32630)
lon = -4.0885
lat = 52.4140
utm_x, utm_y = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, lon, lat
)
print(f"X: {utm_x} Y: {utm_y}")
ref_utm_x = 425966.3
ref_utm_y = 5807643.4
assert (abs(ref_utm_x - utm_x) < 0.1) and (abs(ref_utm_y - utm_y) < 0.1)
def test_reproj_point_WGS84_UTM_2():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromEPSG(4326)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(32702)
lon = -170.6827
lat = -14.2655
utm_x, utm_y = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, lon, lat
)
print(f"X: {utm_x} Y: {utm_y}")
ref_utm_x = 534225.924
ref_utm_y = 8422887.035
assert (abs(ref_utm_x - utm_x) < 0.1) and (abs(ref_utm_y - utm_y) < 0.1)
def test_reproj_point_WGS84_UTM_3():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromEPSG(4326)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(32602)
lon = -170.6827
lat = -14.2655
utm_x, utm_y = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, lon, lat
)
print(f"X: {utm_x} Y: {utm_y}")
ref_utm_x = 534225.924
ref_utm_y = -1577112.965
assert (abs(ref_utm_x - utm_x) < 0.1) and (abs(ref_utm_y - utm_y) < 0.1)
def test_reproj_point_UTM_WGS84():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromEPSG(32630)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(4326)
utm_x = 425966.3
utm_y = 5807643.4
lon, lat = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, utm_x, utm_y
)
print(f"lon: {lon} lat: {lat}")
ref_lon = -4.0885
ref_lat = 52.4140
assert (abs(ref_lon - lon) < 0.001) and (abs(ref_lat - lat) < 0.001)
def test_reproj_point_NZTM_WGS84():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=0 +lon_0=173 +k=0.9996 "
"+x_0=1600000 +y_0=10000000 +ellps=GRS80 "
"+towgs84=0,0,0,0,0,0,0 +units=m +no_defs"
)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(4326)
nztm_x = 1822776.0
nztm_y = 5527532.6
lon, lat = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, nztm_x, nztm_y
)
print(f"lon: {lon} lat: {lat}")
ref_lon = 175.6240
ref_lat = -40.3730
assert (abs(ref_lat - lat) < 0.001) and (abs(ref_lon - lon) < 0.001)
def test_reproj_point_NZTM_UTM():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=0 +lon_0=173 +k=0.9996 "
"+x_0=1600000 +y_0=10000000 +ellps=GRS80 "
"+towgs84=0,0,0,0,0,0,0 +units=m +no_defs"
)
out_osr_proj_obj = osr.SpatialReference()
out_osr_proj_obj.ImportFromEPSG(32760)
nztm_x = 1822776.0
nztm_y = 5527532.6
utm_x, utm_y = rsgislib.tools.geometrytools.reproj_point(
in_osr_proj_obj, out_osr_proj_obj, nztm_x, nztm_y
)
print(f"X: {utm_x} Y: {utm_y}")
ref_utm_x = 383187.9
ref_utm_y = 5529929.6
assert (abs(ref_utm_x - utm_x) < 0.1) and (abs(ref_utm_y - utm_y) < 0.1)
def test_reproj_point_to_wgs84_osgb():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 "
"+x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 "
"+units=m +no_defs"
)
osgb_x = 258051.0
osgb_y = 281605.0
lon, lat = rsgislib.tools.geometrytools.reproj_point_to_wgs84(
in_osr_proj_obj, osgb_x, osgb_y
)
print(f"lon: {lon} lat: {lat}")
ref_lon = -4.0885
ref_lat = 52.4140
assert (abs(ref_lon - lon) < 0.001) and (abs(ref_lat - lat) < 0.001)
def test_reproj_point_to_wgs84_utm():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromEPSG(32630)
utm_x = 425966.3
utm_y = 5807643.4
lon, lat = rsgislib.tools.geometrytools.reproj_point_to_wgs84(
in_osr_proj_obj, utm_x, utm_y
)
print(f"lon: {lon} lat: {lat}")
ref_lon = -4.0885
ref_lat = 52.4140
assert (abs(ref_lon - lon) < 0.001) and (abs(ref_lat - lat) < 0.001)
def test_reproj_point_to_wgs84_nztm():
import rsgislib.tools.geometrytools
from osgeo import osr
in_osr_proj_obj = osr.SpatialReference()
in_osr_proj_obj.ImportFromProj4(
"+proj=tmerc +lat_0=0 +lon_0=173 +k=0.9996 "
"+x_0=1600000 +y_0=10000000 +ellps=GRS80 "
"+towgs84=0,0,0,0,0,0,0 +units=m +no_defs"
)
nztm_x = 1822776.0
nztm_y = 5527532.6
lon, lat = rsgislib.tools.geometrytools.reproj_point_to_wgs84(
in_osr_proj_obj, nztm_x, nztm_y
)
print(f"lon: {lon} lat: {lat}")
ref_lon = 175.6240
ref_lat = -40.3730
assert (abs(ref_lon - lon) < 0.001) and (abs(ref_lat - lat) < 0.001)