Revision: 8561
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8561&view=rev
Author: mdboom
Date: 2010-07-16 18:45:49 +0000 (Fri, 16 Jul 2010)
Log Message:
-----------
Able to produce simple_plot.py!!!
Modified Paths:
--------------
branches/py3k/examples/pylab_examples/simple_plot.py
branches/py3k/lib/matplotlib/artist.py
branches/py3k/lib/matplotlib/axes.py
branches/py3k/lib/matplotlib/backends/backend_agg.py
branches/py3k/lib/matplotlib/backends/tkagg.py
branches/py3k/lib/matplotlib/docstring.py
branches/py3k/lib/matplotlib/figure.py
branches/py3k/lib/matplotlib/font_manager.py
branches/py3k/lib/matplotlib/lines.py
branches/py3k/lib/matplotlib/mlab.py
branches/py3k/lib/matplotlib/patches.py
branches/py3k/lib/matplotlib/text.py
branches/py3k/setup.py
branches/py3k/setupext.py
branches/py3k/src/_backend_agg.cpp
branches/py3k/src/_png.cpp
Removed Paths:
-------------
branches/py3k/src/nxutils.c
Modified: branches/py3k/examples/pylab_examples/simple_plot.py
===================================================================
--- branches/py3k/examples/pylab_examples/simple_plot.py 2010-07-16
13:55:35 UTC (rev 8560)
+++ branches/py3k/examples/pylab_examples/simple_plot.py 2010-07-16
18:45:49 UTC (rev 8561)
@@ -8,4 +8,5 @@
ylabel('voltage (mV)')
title('About as simple as it gets, folks')
grid(True)
+savefig("test.png")
show()
Modified: branches/py3k/lib/matplotlib/artist.py
===================================================================
--- branches/py3k/lib/matplotlib/artist.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/artist.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -481,7 +481,7 @@
:class:`~matplotlib.transforms.Transform`) |
:class:`~matplotlib.patches.Patch` | None ]
"""
- from patches import Patch, Rectangle
+ from matplotlib.patches import Patch, Rectangle
success = False
if transform is None:
Modified: branches/py3k/lib/matplotlib/axes.py
===================================================================
--- branches/py3k/lib/matplotlib/axes.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/axes.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -1,5 +1,5 @@
from __future__ import division, generators
-import math, sys, warnings, datetime, new
+import math, sys, warnings, datetime
from operator import itemgetter
import itertools
@@ -8400,9 +8400,15 @@
new_class = _subplot_classes.get(axes_class)
if new_class is None:
- new_class = new.classobj("%sSubplot" % (axes_class.__name__),
- (SubplotBase, axes_class),
- {'_axes_class': axes_class})
+ if sys.hexversion >= 0x03000000:
+ new_class = type("%sSubplot" % (axes_class.__name__),
+ (SubplotBase, axes_class),
+ {'_axes_class': axes_class})
+ else:
+ import new
+ new_class = new.classobj("%sSubplot" % (axes_class.__name__),
+ (SubplotBase, axes_class),
+ {'_axes_class': axes_class})
_subplot_classes[axes_class] = new_class
return new_class
Modified: branches/py3k/lib/matplotlib/backends/backend_agg.py
===================================================================
--- branches/py3k/lib/matplotlib/backends/backend_agg.py 2010-07-16
13:55:35 UTC (rev 8560)
+++ branches/py3k/lib/matplotlib/backends/backend_agg.py 2010-07-16
18:45:49 UTC (rev 8561)
@@ -35,7 +35,7 @@
from matplotlib.path import Path
from matplotlib.transforms import Bbox, BboxBase
-from _backend_agg import RendererAgg as _RendererAgg
+from matplotlib.backends._backend_agg import RendererAgg as _RendererAgg
from matplotlib import _png
backend_version = 'v2.2'
@@ -429,7 +429,7 @@
original_dpi = renderer.dpi
renderer.dpi = self.figure.dpi
if is_string_like(filename_or_obj):
- filename_or_obj = file(filename_or_obj, 'wb')
+ filename_or_obj = open(filename_or_obj, 'wb')
renderer._renderer.write_rgba(filename_or_obj)
renderer.dpi = original_dpi
print_rgba = print_raw
@@ -440,7 +440,7 @@
original_dpi = renderer.dpi
renderer.dpi = self.figure.dpi
if is_string_like(filename_or_obj):
- filename_or_obj = file(filename_or_obj, 'wb')
+ filename_or_obj = open(filename_or_obj, 'wb')
_png.write_png(renderer._renderer.buffer_rgba(0, 0),
renderer.width, renderer.height,
filename_or_obj, self.figure.dpi)
Modified: branches/py3k/lib/matplotlib/backends/tkagg.py
===================================================================
--- branches/py3k/lib/matplotlib/backends/tkagg.py 2010-07-16 13:55:35 UTC
(rev 8560)
+++ branches/py3k/lib/matplotlib/backends/tkagg.py 2010-07-16 18:45:49 UTC
(rev 8561)
@@ -1,4 +1,4 @@
-import _tkagg
+from matplotlib import _tkagg
import Tkinter as Tk
def blit(photoimage, aggimage, bbox=None, colormode=1):
Modified: branches/py3k/lib/matplotlib/docstring.py
===================================================================
--- branches/py3k/lib/matplotlib/docstring.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/docstring.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -1,29 +1,31 @@
from matplotlib import cbook
+import sys
+import types
class Substitution(object):
"""
A decorator to take a function's docstring and perform string
substitution on it.
-
+
This decorator should be robust even if func.__doc__ is None
(for example, if -OO was passed to the interpreter)
-
+
Usage: construct a docstring.Substitution with a sequence or
dictionary suitable for performing substitution; then
decorate a suitable function with the constructed object. e.g.
-
+
sub_author_name = Substitution(author='Jason')
-
+
@sub_author_name
def some_function(x):
"%(author)s wrote this function"
-
+
# note that some_function.__doc__ is now "Jason wrote this function"
-
+
One can also use positional arguments.
-
+
sub_first_last_names = Substitution('Edgar Allen', 'Poe')
-
+
@sub_first_last_names
def some_function(x):
"%s %s wrote the Raven"
@@ -56,16 +58,16 @@
"""
A function decorator that will append an addendum to the docstring
of the target function.
-
+
This decorator should be robust even if func.__doc__ is None
(for example, if -OO was passed to the interpreter).
-
+
Usage: construct a docstring.Appender with a string to be joined to
the original docstring. An optional 'join' parameter may be supplied
which will be used to join the docstring and addendum. e.g.
-
+
add_copyright = Appender("Copyright (c) 2009", join='\n')
-
+
@add_copyright
def my_dog(has='fleas'):
"This docstring will have a copyright below"
@@ -100,6 +102,8 @@
def dedent_interpd(func):
"""A special case of the interpd that first performs a dedent on
the incoming docstring"""
+ if isinstance(func, types.MethodType) and sys.hexversion <= 0x03000000:
+ func = func.im_func
return interpd(dedent(func))
def copy_dedent(source):
Modified: branches/py3k/lib/matplotlib/figure.py
===================================================================
--- branches/py3k/lib/matplotlib/figure.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/figure.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -17,7 +17,7 @@
from artist import Artist, allow_rasterization
from axes import Axes, SubplotBase, subplot_class_factory
from cbook import flatten, allequal, Stack, iterable, is_string_like
-import _image
+from matplotlib import _image
import colorbar as cbar
from image import FigureImage
from matplotlib import rcParams
Modified: branches/py3k/lib/matplotlib/font_manager.py
===================================================================
--- branches/py3k/lib/matplotlib/font_manager.py 2010-07-16 13:55:35 UTC
(rev 8560)
+++ branches/py3k/lib/matplotlib/font_manager.py 2010-07-16 18:45:49 UTC
(rev 8561)
@@ -235,13 +235,12 @@
within them.
"""
fontpaths = []
- def add(arg,directory,files):
- fontpaths.append(directory)
for fontdir in OSXFontDirectories:
try:
if os.path.isdir(fontdir):
- os.path.walk(fontdir, add, None)
+ for root, dirs, files in os.walk(fontdir):
+ fontpaths.append(root)
except (IOError, OSError, TypeError, ValueError):
pass
return fontpaths
@@ -274,13 +273,12 @@
within them.
"""
fontpaths = []
- def add(arg,directory,files):
- fontpaths.append(directory)
for fontdir in X11FontDirectories:
try:
if os.path.isdir(fontdir):
- os.path.walk(fontdir, add, None)
+ for root, dirs, files in os.walk(fontdir):
+ fontpaths.append(root)
except (IOError, OSError, TypeError, ValueError):
pass
return fontpaths
@@ -304,6 +302,7 @@
return fontfiles
if pipe.returncode == 0:
+ output = str(output)
for line in output.split('\n'):
fname = line.split(':')[0]
if (os.path.splitext(fname)[1][1:] in fontext and
@@ -945,7 +944,8 @@
Equivalent to pickle.dump(data, open(filename, 'w'))
but closes the file to prevent filehandle leakage.
"""
- fh = open(filename, 'w')
+ fh = open(filename, 'wb')
+ print data
try:
pickle.dump(data, fh)
finally:
@@ -956,7 +956,7 @@
Equivalent to pickle.load(open(filename, 'r'))
but closes the file to prevent filehandle leakage.
"""
- fh = open(filename, 'r')
+ fh = open(filename, 'rb')
try:
data = pickle.load(fh)
finally:
@@ -975,7 +975,7 @@
# Increment this version number whenever the font cache data
# format or behavior has changed and requires a existing font
# cache files to be rebuilt.
- __version__ = 7
+ __version__ = 8
def __init__(self, size=None, weight='normal'):
self._version = self.__version__
@@ -1317,7 +1317,10 @@
return result
else:
- _fmcache = os.path.join(get_configdir(), 'fontList.cache')
+ if sys.hexversion >= 0x03000000:
+ _fmcache = os.path.join(get_configdir(), 'fontList.py3k.cache')
+ else:
+ _fmcache = os.path.join(get_configdir(), 'fontList.py3k.cache')
fontManager = None
Modified: branches/py3k/lib/matplotlib/lines.py
===================================================================
--- branches/py3k/lib/matplotlib/lines.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/lines.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -1811,4 +1811,4 @@
# You can not set the docstring of an instancemethod,
# but you can on the underlying function. Go figure.
-docstring.dedent_interpd(Line2D.__init__.im_func)
+docstring.dedent_interpd(Line2D.__init__)
Modified: branches/py3k/lib/matplotlib/mlab.py
===================================================================
--- branches/py3k/lib/matplotlib/mlab.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/mlab.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -148,7 +148,6 @@
ma = np.ma
from matplotlib import verbose
-import matplotlib.nxutils as nxutils
import matplotlib.cbook as cbook
from matplotlib import docstring
@@ -2965,6 +2964,7 @@
Return value is a sequence of indices into points for the points
that are inside the polygon.
"""
+ # PY3KTODO: Reimplement in terms of _path module
res, = np.nonzero(nxutils.points_inside_poly(points, verts))
return res
Modified: branches/py3k/lib/matplotlib/patches.py
===================================================================
--- branches/py3k/lib/matplotlib/patches.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/patches.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -401,7 +401,7 @@
docstring.interpd.update({k:patchdoc})
# define Patch.__init__ docstring after the class has been added to interpd
-docstring.dedent_interpd(Patch.__init__.im_func)
+docstring.dedent_interpd(Patch.__init__)
class Shadow(Patch):
def __str__(self):
Modified: branches/py3k/lib/matplotlib/text.py
===================================================================
--- branches/py3k/lib/matplotlib/text.py 2010-07-16 13:55:35 UTC (rev
8560)
+++ branches/py3k/lib/matplotlib/text.py 2010-07-16 18:45:49 UTC (rev
8561)
@@ -22,8 +22,6 @@
from matplotlib.artist import allow_rasterization
-import matplotlib.nxutils as nxutils
-
from matplotlib.path import Path
import matplotlib.font_manager as font_manager
from matplotlib.ft2font import FT2Font
@@ -210,12 +208,9 @@
r = l+w
t = b+h
- xyverts = (l,b), (l, t), (r, t), (r, b)
x, y = mouseevent.x, mouseevent.y
- inside = nxutils.pnpoly(x, y, xyverts)
+ return x >= l and x <= r and y >= t and y <= b
- return inside,{}
-
def _get_xy_display(self):
'get the (possibly unit converted) transformed x, y in display coords'
x, y = self.get_position()
@@ -997,7 +992,7 @@
self.set_fontproperties(fp)
docstring.interpd.update(Text = artist.kwdoc(Text))
-docstring.dedent_interpd(Text.__init__.im_func)
+docstring.dedent_interpd(Text.__init__)
class TextWithDash(Text):
Modified: branches/py3k/setup.py
===================================================================
--- branches/py3k/setup.py 2010-07-16 13:55:35 UTC (rev 8560)
+++ branches/py3k/setup.py 2010-07-16 18:45:49 UTC (rev 8561)
@@ -39,7 +39,7 @@
from distutils.command.build_py import build_py
from setupext import build_agg, build_gtkagg, build_tkagg, build_wxagg,\
build_macosx, build_ft2font, build_image, build_windowing, build_path, \
- build_contour, build_delaunay, build_nxutils, build_gdk, \
+ build_contour, build_delaunay, build_gdk, \
build_ttconv, print_line, print_status, print_message, \
print_raw, check_for_freetype, check_for_libpng, check_for_gtk, \
check_for_tk, check_for_wx, check_for_macosx, check_for_numpy, \
@@ -136,7 +136,6 @@
build_ttconv(ext_modules, packages)
build_contour(ext_modules, packages)
build_delaunay(ext_modules, packages)
-build_nxutils(ext_modules, packages)
build_path(ext_modules, packages)
build_tri(ext_modules, packages)
Modified: branches/py3k/setupext.py
===================================================================
--- branches/py3k/setupext.py 2010-07-16 13:55:35 UTC (rev 8560)
+++ branches/py3k/setupext.py 2010-07-16 18:45:49 UTC (rev 8561)
@@ -106,7 +106,6 @@
BUILT_WINDOWING = False
BUILT_CONTOUR = False
BUILT_DELAUNAY = False
-BUILT_NXUTILS = False
BUILT_CONTOUR = False
BUILT_GDK = False
BUILT_PATH = False
@@ -1394,22 +1393,6 @@
BUILT_CONTOUR = True
-def build_nxutils(ext_modules, packages):
- global BUILT_NXUTILS
- if BUILT_NXUTILS: return # only build it if you you haven't already
- module = Extension(
- 'matplotlib.nxutils',
- [ 'src/nxutils.c'],
- include_dirs=numpy_inc_dirs,
- define_macros=defines
- )
- add_numpy_flags(module)
- add_base_flags(module)
- ext_modules.append(module)
-
- BUILT_NXUTILS = True
-
-
def build_gdk(ext_modules, packages):
global BUILT_GDK
if BUILT_GDK: return # only build it if you you haven't already
Modified: branches/py3k/src/_backend_agg.cpp
===================================================================
--- branches/py3k/src/_backend_agg.cpp 2010-07-16 13:55:35 UTC (rev 8560)
+++ branches/py3k/src/_backend_agg.cpp 2010-07-16 18:45:49 UTC (rev 8561)
@@ -1743,16 +1743,16 @@
//segments, trans, clipbox, colors, linewidths, antialiaseds
GCAgg gc(args[0], dpi);
- agg::trans_affine master_transform =
py_to_agg_transformation_matrix(args[1].ptr());
- size_t mesh_width = Py::Int(args[2]);
- size_t mesh_height = Py::Int(args[3]);
- Py::Object coordinates = args[4];
- Py::Object offsets_obj = args[5];
- agg::trans_affine offset_trans =
py_to_agg_transformation_matrix(args[6].ptr());
- Py::Object facecolors_obj = args[7];
- bool antialiased = Py::Boolean(args[8]);
- bool showedges = Py::Boolean(args[9]);
- bool free_edgecolors = false;
+ agg::trans_affine master_transform =
py_to_agg_transformation_matrix(args[1].ptr());
+ size_t mesh_width = Py::Int(args[2]);
+ size_t mesh_height = Py::Int(args[3]);
+ Py::Object coordinates = args[4];
+ Py::Object offsets_obj = args[5];
+ agg::trans_affine offset_trans =
py_to_agg_transformation_matrix(args[6].ptr());
+ Py::Object facecolors_obj = args[7];
+ bool antialiased = Py::Boolean(args[8]);
+ bool showedges = Py::Boolean(args[9]);
+ bool free_edgecolors = false;
QuadMeshGenerator path_generator(mesh_width, mesh_height,
coordinates.ptr());
Modified: branches/py3k/src/_png.cpp
===================================================================
--- branches/py3k/src/_png.cpp 2010-07-16 13:55:35 UTC (rev 8560)
+++ branches/py3k/src/_png.cpp 2010-07-16 18:45:49 UTC (rev 8561)
@@ -199,24 +199,30 @@
}
catch (...)
{
+ if (png_ptr && info_ptr)
+ {
+ png_destroy_write_struct(&png_ptr, &info_ptr);
+ }
+ delete [] row_pointers;
if (fp && close_file)
{
fclose(fp);
}
- delete [] row_pointers;
/* Changed calls to png_destroy_write_struct to follow
http://www.libpng.org/pub/png/libpng-manual.txt.
This ensures the info_ptr memory is released.
*/
- if (png_ptr && info_ptr)
- {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- }
throw;
}
png_destroy_write_struct(&png_ptr, &info_ptr);
delete [] row_pointers;
+#if PY_MAJOR_VERSION >= 3
+ if (fp)
+ {
+ fflush(fp);
+ }
+#endif
if (fp && close_file)
{
fclose(fp);
Deleted: branches/py3k/src/nxutils.c
===================================================================
--- branches/py3k/src/nxutils.c 2010-07-16 13:55:35 UTC (rev 8560)
+++ branches/py3k/src/nxutils.c 2010-07-16 18:45:49 UTC (rev 8561)
@@ -1,252 +0,0 @@
-#include <Python.h>
-#include "structmember.h"
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "numpy/arrayobject.h"
-
-
-/*
- pnpoly license
- Copyright (c) 1970-2003, Wm. Randolph Franklin
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
-
- 1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimers.
- 2. Redistributions in binary form must reproduce the above copyright notice
in the documentation and/or other materials provided with the distribution.
- 3. The name of W. Randolph Franklin may not be used to endorse or promote
products derived from this Software without specific prior written permission.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
-*/
-
-int pnpoly_api(int npol, double *xp, double *yp, double x, double y)
-{
- int i, j, c = 0;
- for (i = 0, j = npol-1; i < npol; j = i++) {
- if ((((yp[i]<=y) && (y<yp[j])) ||
- ((yp[j]<=y) && (y<yp[i]))) &&
- (x < (xp[j] - xp[i]) * (y - yp[i]) / (yp[j] - yp[i]) + xp[i]))
-
- c = !c;
- }
- return c;
-}
-
-
-static PyObject *
-pnpoly(PyObject *self, PyObject *args)
-{
- int npol, i;
- double x, y;
- double *xv, *yv;
- int b;
- PyObject *vertsarg;
- PyArrayObject *verts;
- if (! PyArg_ParseTuple(args, "ddO", &x, &y, &vertsarg))
- return NULL;
-
- verts = (PyArrayObject *) PyArray_FromObject(vertsarg,NPY_DOUBLE, 2, 2);
-
- if (verts == NULL)
- {
- PyErr_SetString(PyExc_ValueError,
- "Arguments verts must be a Nx2 array.");
- Py_XDECREF(verts);
- return NULL;
-
- }
-
- npol = verts->dimensions[0];
- //printf ("found %d verts\n", npol);
- if (verts->dimensions[1]!=2)
- {
- PyErr_SetString(PyExc_ValueError,
- "Arguments verts must be a Nx2 array.");
- Py_XDECREF(verts);
- return NULL;
-
- }
-
-
- xv = (double *) PyMem_Malloc(sizeof(double) * npol);
- if (xv == NULL)
- {
- Py_XDECREF(verts);
- return NULL;
- }
-
- yv = (double *) PyMem_Malloc(sizeof(double) * npol);
- if (yv == NULL)
- {
- Py_XDECREF(verts);
- PyMem_Free(xv);
- return NULL;
- }
-
- for (i=0; i<npol; ++i) {
- xv[i] = *(double *)(verts->data + i*verts->strides[0]);
- yv[i] = *(double *)(verts->data + i*verts->strides[0] +
verts->strides[1]);
- //printf("adding vert: %1.3f, %1.3f\n", xv[i], yv[i]);
- }
-
- b = pnpoly_api(npol, xv, yv, x, y);
- //printf("in poly %d\n", b);
-
- Py_XDECREF(verts);
- PyMem_Free(xv);
- PyMem_Free(yv);
- return Py_BuildValue("i", b);
-
-}
-
-static PyObject *
-points_inside_poly(PyObject *self, PyObject *args)
-{
- int npol, npoints, i;
- double *xv, *yv, x, y;
- int b;
- PyObject *xypointsarg, *vertsarg, *ret;
- PyArrayObject *xypoints, *verts;
- PyArrayObject *mask;
- npy_intp dimensions[1];
-
- if (! PyArg_ParseTuple(args, "OO", &xypointsarg, &vertsarg))
- return NULL;
-
- verts = (PyArrayObject *) PyArray_FromObject(vertsarg, NPY_DOUBLE, 2, 2);
-
- if (verts == NULL)
- {
- PyErr_SetString(PyExc_ValueError,
- "Argument verts must be a Nx2 array.");
- Py_XDECREF(verts);
- return NULL;
-
- }
-
- npol = verts->dimensions[0];
- //printf ("found %d verts\n", npol);
- if (verts->dimensions[1]!=2)
- {
- PyErr_SetString(PyExc_ValueError,
- "Arguments verts must be a Nx2 array.");
- Py_XDECREF(verts);
- return NULL;
-
- }
-
-
- xv = (double *) PyMem_Malloc(sizeof(double) * npol);
- if (xv == NULL)
- {
- Py_XDECREF(verts);
- return NULL;
- }
-
- yv = (double *) PyMem_Malloc(sizeof(double) * npol);
- if (yv == NULL)
- {
- Py_XDECREF(verts);
- PyMem_Free(xv);
- return NULL;
- }
-
- // fill the verts arrays
- for (i=0; i<npol; ++i) {
- xv[i] = *(double *)(verts->data + i*verts->strides[0]);
- yv[i] = *(double *)(verts->data + i*verts->strides[0] +
verts->strides[1]);
- //printf("adding vert: %1.3f, %1.3f\n", xv[i], yv[i]);
- }
-
- xypoints = (PyArrayObject *) PyArray_FromObject(xypointsarg, NPY_DOUBLE, 2,
2);
-
- if (xypoints == NULL)
- {
- PyErr_SetString(PyExc_ValueError,
- "Arguments xypoints must an Nx2 array.");
- Py_XDECREF(verts);
- Py_XDECREF(xypoints);
- PyMem_Free(xv);
- PyMem_Free(yv);
- return NULL;
-
- }
-
- if (xypoints->dimensions[1]!=2)
- {
- PyErr_SetString(PyExc_ValueError,
- "Arguments xypoints must be a Nx2 array.");
-
- Py_XDECREF(verts);
- Py_XDECREF(xypoints);
- PyMem_Free(xv);
- PyMem_Free(yv);
- return NULL;
- }
-
- npoints = xypoints->dimensions[0];
- dimensions[0] = npoints;
-
- mask = (PyArrayObject *)PyArray_SimpleNew(1,dimensions, NPY_BOOL);
- if (mask==NULL) {
- Py_XDECREF(verts);
- Py_XDECREF(xypoints);
- PyMem_Free(xv);
- PyMem_Free(yv);
- return NULL; }
-
- for (i=0; i<npoints; ++i) {
- x = *(double *)(xypoints->data + i*xypoints->strides[0]);
- y = *(double *)(xypoints->data + i*xypoints->strides[0] +
xypoints->strides[1]);
- b = pnpoly_api(npol, xv, yv, x, y);
- //printf("checking %d, %d, %1.3f, %1.3f, %d\n", npol, npoints, x, y, b);
- *(char *)(mask->data + i*mask->strides[0]) = b;
-
- }
-
-
- Py_XDECREF(verts);
- Py_XDECREF(xypoints);
-
- PyMem_Free(xv);
- PyMem_Free(yv);
- ret = Py_BuildValue("O", mask);
- Py_XDECREF(mask);
- return ret;
-
-
-}
-
-static PyMethodDef module_methods[] = {
- {"pnpoly", pnpoly, METH_VARARGS,
- "inside = pnpoly(x, y, xyverts)\n\n"
- "Return 1 if x,y is inside the polygon, 0 otherwise.\n\n"
- "*xyverts*\n a sequence of x,y vertices.\n\n"
- "A point on the boundary may be treated as inside or outside.\n"
- "See `pnpoly
<http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html>`_"},
- {"points_inside_poly", points_inside_poly, METH_VARARGS,
- "mask = points_inside_poly(xypoints, xyverts)\n\n"
- "Return a boolean ndarray, True for points inside the polygon.\n\n"
- "*xypoints*\n a sequence of N x,y pairs.\n"
- "*xyverts*\n sequence of x,y vertices of the polygon.\n"
- "*mask* an ndarray of length N.\n\n"
- "A point on the boundary may be treated as inside or outside.\n"
- "See `pnpoly
<http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html>`_\n"},
- {NULL} /* Sentinel */
-};
-
-PyMODINIT_FUNC
-initnxutils(void)
-{
- PyObject* m;
-
- m = Py_InitModule3("nxutils", module_methods,
- "general purpose numerical utilities, eg for
computational geometry, that are not available in `numpy
<http://numpy.scipy.org>`_");
-
- if (m == NULL)
- return;
-
- import_array();
-}
-
-
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