Solar Geometry 2
Solar Geometry 2 (SG2) is the second generation of library for computing the relative position of the sun and the earth. Valid over the time period 1980-2100, the algorithm is 20 times faster than the well-know SPA algorithm, with an accuracy order of approx. 0.005°. Reference article: Blanc P. and L. Wald, The SG2 algorithm for a fast and accurate computation of the position of the sun for multi-decadal time period. Solar Energy 88, 3072-3083, 2012, doi: 10.1016/j.solener.2012.07.018.
License
Solar Geometry 2 is released under LGPLv3.
Python binding
Python installation
We provide wheel binary package that can be installed using pip:
pip install sg2
To compile it see README.linux or README.win.
Python usage
see help(sg2)
$ python3
>>> import sg2
>>> help(sg2)
2 maintainers
Metadata
2 maintainers
Release files for sg2 2.3.4
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| sg2-2.3.4.tar.gz | 1.6 MB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| sg2-2.3.4-cp314-cp314-win_amd64.whl | CPython 3.14 | CPython 3.14 | Windows x86-64 | Details |
| sg2-2.3.4-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl | CPython 3.14 | CPython 3.14 | Linux glibc 2.28+ x86-64, Linux glibc 2.24+ x86-64 | Details |
| sg2-2.3.4-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl | CPython 3.14 | CPython 3.14 | Linux glibc 2.24+ ARM64, Linux glibc 2.28+ ARM64 | Details |
| sg2-2.3.4-cp313-cp313-win_amd64.whl | CPython 3.13 | CPython 3.13 | Windows x86-64 | Details |
| sg2-2.3.4-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl | CPython 3.13 | CPython 3.13 | Linux glibc 2.28+ x86-64, Linux glibc 2.24+ x86-64 | Details |
| sg2-2.3.4-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl | CPython 3.13 | CPython 3.13 | Linux glibc 2.24+ ARM64, Linux glibc 2.28+ ARM64 | Details |
| sg2-2.3.4-cp312-cp312-win_amd64.whl | CPython 3.12 | CPython 3.12 | Windows x86-64 | Details |
| sg2-2.3.4-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl | CPython 3.12 | CPython 3.12 | Linux glibc 2.24+ x86-64, Linux glibc 2.28+ x86-64 | Details |
| sg2-2.3.4-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl | CPython 3.12 | CPython 3.12 | Linux glibc 2.24+ ARM64, Linux glibc 2.28+ ARM64 | Details |
| sg2-2.3.4-cp311-cp311-win_amd64.whl | CPython 3.11 | CPython 3.11 | Windows x86-64 | Details |
| sg2-2.3.4-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl | CPython 3.11 | CPython 3.11 | Linux glibc 2.28+ x86-64, Linux glibc 2.24+ x86-64 | Details |
| sg2-2.3.4-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl | CPython 3.11 | CPython 3.11 | Linux glibc 2.24+ ARM64, Linux glibc 2.28+ ARM64 | Details |
| sg2-2.3.4-cp310-cp310-win_amd64.whl | CPython 3.10 | CPython 3.10 | Windows x86-64 | Details |
| sg2-2.3.4-cp310-cp310-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl | CPython 3.10 | CPython 3.10 | Linux glibc 2.28+ x86-64, Linux glibc 2.24+ x86-64 | Details |
| sg2-2.3.4-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl | CPython 3.10 | CPython 3.10 | Linux glibc 2.24+ ARM64, Linux glibc 2.28+ ARM64 | Details |
| sg2-2.3.4-cp39-cp39-win_amd64.whl | CPython 3.9 | CPython 3.9 | Windows x86-64 | Details |
| sg2-2.3.4-cp39-cp39-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl | CPython 3.9 | CPython 3.9 | Linux glibc 2.28+ x86-64, Linux glibc 2.24+ x86-64 | Details |
| sg2-2.3.4-cp39-cp39-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl | CPython 3.9 | CPython 3.9 | Linux glibc 2.24+ ARM64, Linux glibc 2.28+ ARM64 | Details |
Total release size: 38.5 MB
Release files / sg2-2.3.4.tar.gz
| Download URL | sg2-2.3.4.tar.gz |
|---|---|
| Size | 1.6 MB |
| Tags | Source |
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twine/7.0.0 CPython/3.14.7
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Release files / sg2-2.3.4-cp314-cp314-win_amd64.whl
| Download URL | sg2-2.3.4-cp314-cp314-win_amd64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.14 Windows x86-64 |
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Release files / sg2-2.3.4-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl
| Download URL | sg2-2.3.4-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.14 Linux glibc 2.24+ x86-64 Linux glibc 2.28+ x86-64 |
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twine/7.0.0 CPython/3.14.7
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Release files / sg2-2.3.4-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl
| Download URL | sg2-2.3.4-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.14 Linux glibc 2.24+ ARM64 Linux glibc 2.28+ ARM64 |
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Release files / sg2-2.3.4-cp313-cp313-win_amd64.whl
| Download URL | sg2-2.3.4-cp313-cp313-win_amd64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.13 Windows x86-64 |
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Release files / sg2-2.3.4-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl
| Download URL | sg2-2.3.4-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.13 Linux glibc 2.24+ x86-64 Linux glibc 2.28+ x86-64 |
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Release files / sg2-2.3.4-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl
| Download URL | sg2-2.3.4-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.13 Linux glibc 2.24+ ARM64 Linux glibc 2.28+ ARM64 |
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Release files / sg2-2.3.4-cp312-cp312-win_amd64.whl
| Download URL | sg2-2.3.4-cp312-cp312-win_amd64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.12 Windows x86-64 |
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Release files / sg2-2.3.4-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl
| Download URL | sg2-2.3.4-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.12 Linux glibc 2.24+ x86-64 Linux glibc 2.28+ x86-64 |
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Release files / sg2-2.3.4-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl
| Download URL | sg2-2.3.4-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.12 Linux glibc 2.24+ ARM64 Linux glibc 2.28+ ARM64 |
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Release files / sg2-2.3.4-cp311-cp311-win_amd64.whl
| Download URL | sg2-2.3.4-cp311-cp311-win_amd64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.11 Windows x86-64 |
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Release files / sg2-2.3.4-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl
| Download URL | sg2-2.3.4-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.11 Linux glibc 2.24+ x86-64 Linux glibc 2.28+ x86-64 |
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Release files / sg2-2.3.4-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl
| Download URL | sg2-2.3.4-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.11 Linux glibc 2.24+ ARM64 Linux glibc 2.28+ ARM64 |
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Release files / sg2-2.3.4-cp310-cp310-win_amd64.whl
| Download URL | sg2-2.3.4-cp310-cp310-win_amd64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.10 Windows x86-64 |
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Release files / sg2-2.3.4-cp310-cp310-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl
| Download URL | sg2-2.3.4-cp310-cp310-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.10 Linux glibc 2.24+ x86-64 Linux glibc 2.28+ x86-64 |
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Release files / sg2-2.3.4-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl
| Download URL | sg2-2.3.4-cp310-cp310-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.10 Linux glibc 2.24+ ARM64 Linux glibc 2.28+ ARM64 |
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Release files / sg2-2.3.4-cp39-cp39-win_amd64.whl
| Download URL | sg2-2.3.4-cp39-cp39-win_amd64.whl |
|---|---|
| Size | 1.3 MB |
| Tags | CPython 3.9 Windows x86-64 |
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Release files / sg2-2.3.4-cp39-cp39-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl
| Download URL | sg2-2.3.4-cp39-cp39-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.9 Linux glibc 2.24+ x86-64 Linux glibc 2.28+ x86-64 |
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Release files / sg2-2.3.4-cp39-cp39-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl
| Download URL | sg2-2.3.4-cp39-cp39-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl |
|---|---|
| Size | 2.4 MB |
| Tags | CPython 3.9 Linux glibc 2.24+ ARM64 Linux glibc 2.28+ ARM64 |
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