diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | python-mapbox-earcut.spec | 220 | ||||
| -rw-r--r-- | sources | 1 |
3 files changed, 222 insertions, 0 deletions
@@ -0,0 +1 @@ +/mapbox_earcut-1.0.1.tar.gz diff --git a/python-mapbox-earcut.spec b/python-mapbox-earcut.spec new file mode 100644 index 0000000..b3e8a7f --- /dev/null +++ b/python-mapbox-earcut.spec @@ -0,0 +1,220 @@ +%global _empty_manifest_terminate_build 0 +Name: python-mapbox-earcut +Version: 1.0.1 +Release: 1 +Summary: Python bindings for the mapbox earcut C++ polygon triangulation library. +License: ISC +URL: https://github.com/skogler/mapbox_earcut_python +Source0: https://mirrors.nju.edu.cn/pypi/web/packages/97/f9/38f72877be0a5bf35c04a75c8ceb261589f2807eeaffaa22055079f53839/mapbox_earcut-1.0.1.tar.gz + +Requires: python3-numpy +Requires: python3-pytest + +%description +# mapbox_earcut + +Python bindings for the C++ implementation of the Mapbox Earcut library, which +provides very fast and quite robust triangulation of 2D polygons. + +Original code: [earcut.hpp](https://github.com/mapbox/earcut.hpp) + +Original description: + +> The library implements a modified ear slicing algorithm, optimized by +> [z-order curve](http://en.wikipedia.org/wiki/Z-order_curve) hashing and +> extended to handle holes, twisted polygons, degeneracies and self-intersections +> in a way that doesn't _guarantee_ correctness of triangulation, but attempts to +> always produce acceptable results for practical data like geographical shapes. + +Provided functions (depending on dtype of vertex data): +```python +triangulate_float32 +triangulate_float64 +triangulate_int32 +triangulate_int64 +``` + +Example: +```python + +import mapbox_earcut as earcut +import numpy as np + +# A Nx2 array of vertices. Must be 2D. +verts = np.array([[0, 0], [1, 0], [1, 1]]).reshape(-1, 2) + +# An array of end-indices for each ring. +# The first ring is the outer contour of the polygon. +# Subsequent ones are holes. +# This implies that the last index must always be equal to the size of verts! +rings = np.array([3]) + +result = earcut.triangulate_float32(verts, rings) + +# Result is an np.ndarray with dtype np.uint32 and shape (3,) +# containing indices into the verts array. + +print(verts[result]) +# [[1 0] +# [1 1] +# [0 0]] +``` + + +%package -n python3-mapbox-earcut +Summary: Python bindings for the mapbox earcut C++ polygon triangulation library. +Provides: python-mapbox-earcut +BuildRequires: python3-devel +BuildRequires: python3-setuptools +BuildRequires: python3-pip +BuildRequires: python3-cffi +BuildRequires: gcc +BuildRequires: gdb +%description -n python3-mapbox-earcut +# mapbox_earcut + +Python bindings for the C++ implementation of the Mapbox Earcut library, which +provides very fast and quite robust triangulation of 2D polygons. + +Original code: [earcut.hpp](https://github.com/mapbox/earcut.hpp) + +Original description: + +> The library implements a modified ear slicing algorithm, optimized by +> [z-order curve](http://en.wikipedia.org/wiki/Z-order_curve) hashing and +> extended to handle holes, twisted polygons, degeneracies and self-intersections +> in a way that doesn't _guarantee_ correctness of triangulation, but attempts to +> always produce acceptable results for practical data like geographical shapes. + +Provided functions (depending on dtype of vertex data): +```python +triangulate_float32 +triangulate_float64 +triangulate_int32 +triangulate_int64 +``` + +Example: +```python + +import mapbox_earcut as earcut +import numpy as np + +# A Nx2 array of vertices. Must be 2D. +verts = np.array([[0, 0], [1, 0], [1, 1]]).reshape(-1, 2) + +# An array of end-indices for each ring. +# The first ring is the outer contour of the polygon. +# Subsequent ones are holes. +# This implies that the last index must always be equal to the size of verts! +rings = np.array([3]) + +result = earcut.triangulate_float32(verts, rings) + +# Result is an np.ndarray with dtype np.uint32 and shape (3,) +# containing indices into the verts array. + +print(verts[result]) +# [[1 0] +# [1 1] +# [0 0]] +``` + + +%package help +Summary: Development documents and examples for mapbox-earcut +Provides: python3-mapbox-earcut-doc +%description help +# mapbox_earcut + +Python bindings for the C++ implementation of the Mapbox Earcut library, which +provides very fast and quite robust triangulation of 2D polygons. + +Original code: [earcut.hpp](https://github.com/mapbox/earcut.hpp) + +Original description: + +> The library implements a modified ear slicing algorithm, optimized by +> [z-order curve](http://en.wikipedia.org/wiki/Z-order_curve) hashing and +> extended to handle holes, twisted polygons, degeneracies and self-intersections +> in a way that doesn't _guarantee_ correctness of triangulation, but attempts to +> always produce acceptable results for practical data like geographical shapes. + +Provided functions (depending on dtype of vertex data): +```python +triangulate_float32 +triangulate_float64 +triangulate_int32 +triangulate_int64 +``` + +Example: +```python + +import mapbox_earcut as earcut +import numpy as np + +# A Nx2 array of vertices. Must be 2D. +verts = np.array([[0, 0], [1, 0], [1, 1]]).reshape(-1, 2) + +# An array of end-indices for each ring. +# The first ring is the outer contour of the polygon. +# Subsequent ones are holes. +# This implies that the last index must always be equal to the size of verts! +rings = np.array([3]) + +result = earcut.triangulate_float32(verts, rings) + +# Result is an np.ndarray with dtype np.uint32 and shape (3,) +# containing indices into the verts array. + +print(verts[result]) +# [[1 0] +# [1 1] +# [0 0]] +``` + + +%prep +%autosetup -n mapbox-earcut-1.0.1 + +%build +%py3_build + +%install +%py3_install +install -d -m755 %{buildroot}/%{_pkgdocdir} +if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi +if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi +if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi +if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi +pushd %{buildroot} +if [ -d usr/lib ]; then + find usr/lib -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/lib64 ]; then + find usr/lib64 -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/bin ]; then + find usr/bin -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/sbin ]; then + find usr/sbin -type f -printf "/%h/%f\n" >> filelist.lst +fi +touch doclist.lst +if [ -d usr/share/man ]; then + find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst +fi +popd +mv %{buildroot}/filelist.lst . +mv %{buildroot}/doclist.lst . + +%files -n python3-mapbox-earcut -f filelist.lst +%dir %{python3_sitearch}/* + +%files help -f doclist.lst +%{_docdir}/* + +%changelog +* Tue Apr 11 2023 Python_Bot <Python_Bot@openeuler.org> - 1.0.1-1 +- Package Spec generated @@ -0,0 +1 @@ +e0647ff7941fc5dfdd6de88a830b636d mapbox_earcut-1.0.1.tar.gz |