1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
# Copyright (c) 2018-2023 Python-geotiepoints developers
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Interpolation of MODIS data using satellite zenith angle.
Interpolation of geographical tiepoints using the second order interpolation
scheme implemented in the CVIIRS software, as described here:
Compact VIIRS SDR Product Format User Guide (V1J)
https://www.eumetsat.int/media/45988
and
Anders Meier Soerensen, Stephan Zinke,
A tie-point zone group compaction schema for the geolocation data of S-NPP and NOAA-20 VIIRS SDRs to reduce file sizes
in memory-sensitive environments,
Applied Computing and Geosciences, Volume 6, 2020, 100025, ISSN 2590-1974,
https://doi.org/10.1016/j.acags.2020.100025.
(https://www.sciencedirect.com/science/article/pii/S2590197420300070)
"""
import warnings
from ._modis_interpolator import interpolate
def modis_1km_to_250m(lon1, lat1, satz1):
"""Interpolate MODIS geolocation from 1km to 250m resolution."""
return interpolate(lon1, lat1, satz1,
coarse_resolution=1000,
fine_resolution=250)
def modis_1km_to_500m(lon1, lat1, satz1):
"""Interpolate MODIS geolocation from 1km to 500m resolution."""
return interpolate(lon1, lat1, satz1,
coarse_resolution=1000,
fine_resolution=500)
def modis_5km_to_1km(lon1, lat1, satz1):
"""Interpolate MODIS geolocation from 5km to 1km resolution."""
return interpolate(lon1, lat1, satz1,
coarse_resolution=5000,
fine_resolution=1000,
coarse_scan_width=lon1.shape[1])
def modis_5km_to_500m(lon1, lat1, satz1):
"""Interpolate MODIS geolocation from 5km to 500m resolution."""
warnings.warn(
"Interpolating 5km geolocation to 500m resolution " "may result in poor quality"
)
return interpolate(lon1, lat1, satz1,
coarse_resolution=5000,
fine_resolution=500,
coarse_scan_width=lon1.shape[1])
def modis_5km_to_250m(lon1, lat1, satz1):
"""Interpolate MODIS geolocation from 5km to 250m resolution."""
warnings.warn(
"Interpolating 5km geolocation to 250m resolution " "may result in poor quality"
)
return interpolate(lon1, lat1, satz1,
coarse_resolution=5000,
fine_resolution=250,
coarse_scan_width=lon1.shape[1])
|
