sentence1 stringlengths 52 3.87M | sentence2 stringlengths 1 47.2k | label stringclasses 1
value |
|---|---|---|
def to_nuniq_interval_set(cls, nested_is):
"""
Convert an IntervalSet using the NESTED numbering scheme to an IntervalSet containing UNIQ numbers for HEALPix
cells.
Parameters
----------
nested_is : `IntervalSet`
IntervalSet object storing HEALPix cells as [i... | Convert an IntervalSet using the NESTED numbering scheme to an IntervalSet containing UNIQ numbers for HEALPix
cells.
Parameters
----------
nested_is : `IntervalSet`
IntervalSet object storing HEALPix cells as [ipix*4^(29-order), (ipix+1)*4^(29-order)[ intervals.
Re... | entailment |
def from_nuniq_interval_set(cls, nuniq_is):
"""
Convert an IntervalSet containing NUNIQ intervals to an IntervalSet representing HEALPix
cells following the NESTED numbering scheme.
Parameters
----------
nuniq_is : `IntervalSet`
IntervalSet object storing HEA... | Convert an IntervalSet containing NUNIQ intervals to an IntervalSet representing HEALPix
cells following the NESTED numbering scheme.
Parameters
----------
nuniq_is : `IntervalSet`
IntervalSet object storing HEALPix cells as [ipix + 4*4^(order), ipix+1 + 4*4^(order)[ interva... | entailment |
def merge(a_intervals, b_intervals, op):
"""
Merge two lists of intervals according to the boolean function op
``a_intervals`` and ``b_intervals`` need to be sorted and consistent (no overlapping intervals).
This operation keeps the resulting interval set consistent.
Parameters... | Merge two lists of intervals according to the boolean function op
``a_intervals`` and ``b_intervals`` need to be sorted and consistent (no overlapping intervals).
This operation keeps the resulting interval set consistent.
Parameters
----------
a_intervals : `~numpy.ndarray`
... | entailment |
def delete(self):
""" Delete the object from GPU memory.
Note that the GPU object will also be deleted when this gloo
object is about to be deleted. However, sometimes you want to
explicitly delete the GPU object explicitly.
"""
# We only allow the object from being del... | Delete the object from GPU memory.
Note that the GPU object will also be deleted when this gloo
object is about to be deleted. However, sometimes you want to
explicitly delete the GPU object explicitly. | entailment |
def set_data(self, image):
"""Set the data
Parameters
----------
image : array-like
The image data.
"""
data = np.asarray(image)
if self._data is None or self._data.shape != data.shape:
self._need_vertex_update = True
self._data = ... | Set the data
Parameters
----------
image : array-like
The image data. | entailment |
def _build_interpolation(self):
"""Rebuild the _data_lookup_fn using different interpolations within
the shader
"""
interpolation = self._interpolation
self._data_lookup_fn = self._interpolation_fun[interpolation]
self.shared_program.frag['get_data'] = self._data_lookup_f... | Rebuild the _data_lookup_fn using different interpolations within
the shader | entailment |
def _build_vertex_data(self):
"""Rebuild the vertex buffers used for rendering the image when using
the subdivide method.
"""
grid = self._grid
w = 1.0 / grid[1]
h = 1.0 / grid[0]
quad = np.array([[0, 0, 0], [w, 0, 0], [w, h, 0],
[0, 0, 0... | Rebuild the vertex buffers used for rendering the image when using
the subdivide method. | entailment |
def _update_method(self, view):
"""Decide which method to use for *view* and configure it accordingly.
"""
method = self._method
if method == 'auto':
if view.transforms.get_transform().Linear:
method = 'subdivide'
else:
method = 'im... | Decide which method to use for *view* and configure it accordingly. | entailment |
def append(self, P, closed=False, itemsize=None, **kwargs):
"""
Append a new set of vertices to the collection.
For kwargs argument, n is the number of vertices (local) or the number
of item (shared)
Parameters
----------
P : np.array
Vertices posit... | Append a new set of vertices to the collection.
For kwargs argument, n is the number of vertices (local) or the number
of item (shared)
Parameters
----------
P : np.array
Vertices positions of the path(s) to be added
closed: bool
Whether path(s... | entailment |
def bake(self, P, key='curr', closed=False, itemsize=None):
"""
Given a path P, return the baked vertices as they should be copied in
the collection if the path has already been appended.
Example:
--------
paths.append(P)
P *= 2
paths['prev'][0] = bake(P... | Given a path P, return the baked vertices as they should be copied in
the collection if the path has already been appended.
Example:
--------
paths.append(P)
P *= 2
paths['prev'][0] = bake(P,'prev')
paths['curr'][0] = bake(P,'curr')
paths['next'][0] = ba... | entailment |
def draw(self, mode="triangle_strip"):
""" Draw collection """
gl.glDepthMask(gl.GL_FALSE)
Collection.draw(self, mode)
gl.glDepthMask(gl.GL_TRUE) | Draw collection | entailment |
def _stop_timers(canvas):
"""Stop all timers in a canvas."""
for attr in dir(canvas):
try:
attr_obj = getattr(canvas, attr)
except NotImplementedError:
# This try/except is needed because canvas.position raises
# an error (it is not implemented in this backend... | Stop all timers in a canvas. | entailment |
def _last_stack_str():
"""Print stack trace from call that didn't originate from here"""
stack = extract_stack()
for s in stack[::-1]:
if op.join('vispy', 'gloo', 'buffer.py') not in __file__:
break
return format_list([s])[0] | Print stack trace from call that didn't originate from here | entailment |
def set_subdata(self, data, offset=0, copy=False):
""" Set a sub-region of the buffer (deferred operation).
Parameters
----------
data : ndarray
Data to be uploaded
offset: int
Offset in buffer where to start copying data (in bytes)
copy: bool
... | Set a sub-region of the buffer (deferred operation).
Parameters
----------
data : ndarray
Data to be uploaded
offset: int
Offset in buffer where to start copying data (in bytes)
copy: bool
Since the operation is deferred, data may change befo... | entailment |
def set_data(self, data, copy=False):
""" Set data in the buffer (deferred operation).
This completely resets the size and contents of the buffer.
Parameters
----------
data : ndarray
Data to be uploaded
copy: bool
Since the operation is deferred... | Set data in the buffer (deferred operation).
This completely resets the size and contents of the buffer.
Parameters
----------
data : ndarray
Data to be uploaded
copy: bool
Since the operation is deferred, data may change before
data is actua... | entailment |
def resize_bytes(self, size):
""" Resize this buffer (deferred operation).
Parameters
----------
size : int
New buffer size in bytes.
"""
self._nbytes = size
self._glir.command('SIZE', self._id, size)
# Invalidate any view on this buf... | Resize this buffer (deferred operation).
Parameters
----------
size : int
New buffer size in bytes. | entailment |
def set_subdata(self, data, offset=0, copy=False, **kwargs):
""" Set a sub-region of the buffer (deferred operation).
Parameters
----------
data : ndarray
Data to be uploaded
offset: int
Offset in buffer where to start copying data (in bytes)
cop... | Set a sub-region of the buffer (deferred operation).
Parameters
----------
data : ndarray
Data to be uploaded
offset: int
Offset in buffer where to start copying data (in bytes)
copy: bool
Since the operation is deferred, data may change befo... | entailment |
def set_data(self, data, copy=False, **kwargs):
""" Set data (deferred operation)
Parameters
----------
data : ndarray
Data to be uploaded
copy: bool
Since the operation is deferred, data may change before
data is actually uploaded to GPU memo... | Set data (deferred operation)
Parameters
----------
data : ndarray
Data to be uploaded
copy: bool
Since the operation is deferred, data may change before
data is actually uploaded to GPU memory.
Asking explicitly for a copy will prevent th... | entailment |
def glsl_type(self):
""" GLSL declaration strings required for a variable to hold this data.
"""
if self.dtype is None:
return None
dtshape = self.dtype[0].shape
n = dtshape[0] if dtshape else 1
if n > 1:
dtype = 'vec%d' % n
else:
... | GLSL declaration strings required for a variable to hold this data. | entailment |
def resize_bytes(self, size):
""" Resize the buffer (in-place, deferred operation)
Parameters
----------
size : integer
New buffer size in bytes
Notes
-----
This clears any pending operations.
"""
Buffer.resize_bytes(self, size)
... | Resize the buffer (in-place, deferred operation)
Parameters
----------
size : integer
New buffer size in bytes
Notes
-----
This clears any pending operations. | entailment |
def compile(self, pretty=True):
""" Compile all code and return a dict {name: code} where the keys
are determined by the keyword arguments passed to __init__().
Parameters
----------
pretty : bool
If True, use a slower method to mangle object names. This produces
... | Compile all code and return a dict {name: code} where the keys
are determined by the keyword arguments passed to __init__().
Parameters
----------
pretty : bool
If True, use a slower method to mangle object names. This produces
GLSL that is more readable.
... | entailment |
def _rename_objects_fast(self):
""" Rename all objects quickly to guaranteed-unique names using the
id() of each object.
This produces mostly unreadable GLSL, but is about 10x faster to
compile.
"""
for shader_name, deps in self._shader_deps.items():
for dep ... | Rename all objects quickly to guaranteed-unique names using the
id() of each object.
This produces mostly unreadable GLSL, but is about 10x faster to
compile. | entailment |
def _rename_objects_pretty(self):
""" Rename all objects like "name_1" to avoid conflicts. Objects are
only renamed if necessary.
This method produces more readable GLSL, but is rather slow.
"""
#
# 1. For each object, add its static names to the global namespace
... | Rename all objects like "name_1" to avoid conflicts. Objects are
only renamed if necessary.
This method produces more readable GLSL, but is rather slow. | entailment |
def _name_available(self, obj, name, shaders):
""" Return True if *name* is available for *obj* in *shaders*.
"""
if name in self._global_ns:
return False
shaders = self.shaders if self._is_global(obj) else shaders
for shader in shaders:
if name in self._s... | Return True if *name* is available for *obj* in *shaders*. | entailment |
def _assign_name(self, obj, name, shaders):
""" Assign *name* to *obj* in *shaders*.
"""
if self._is_global(obj):
assert name not in self._global_ns
self._global_ns[name] = obj
else:
for shader in shaders:
ns = self._shader_ns[shader]
... | Assign *name* to *obj* in *shaders*. | entailment |
def _update(self):
"""Rebuilds the shaders, and repositions the objects
that are used internally by the ColorBarVisual
"""
x, y = self._pos
halfw, halfh = self._halfdim
# test that width and height are non-zero
if halfw <= 0:
raise ValueError("hal... | Rebuilds the shaders, and repositions the objects
that are used internally by the ColorBarVisual | entailment |
def _update(self):
"""Rebuilds the shaders, and repositions the objects
that are used internally by the ColorBarVisual
"""
self._colorbar.halfdim = self._halfdim
self._border.halfdim = self._halfdim
self._label.text = self._label_str
self._ticks[0].text = str(... | Rebuilds the shaders, and repositions the objects
that are used internally by the ColorBarVisual | entailment |
def _update_positions(self):
"""
updates the positions of the colorbars and labels
"""
self._colorbar.pos = self._pos
self._border.pos = self._pos
if self._orientation == "right" or self._orientation == "left":
self._label.rotation = -90
x, y = self... | updates the positions of the colorbars and labels | entailment |
def _calc_positions(center, halfdim, border_width,
orientation, transforms):
"""
Calculate the text centeritions given the ColorBar
parameters.
Note
----
This is static because in principle, this
function does not need access to the state ... | Calculate the text centeritions given the ColorBar
parameters.
Note
----
This is static because in principle, this
function does not need access to the state of the ColorBar
at all. It's a computation function that computes coordinate
transforms
Paramete... | entailment |
def size(self):
""" The size of the ColorBar
Returns
-------
size: (major_axis_length, minor_axis_length)
major and minor axis are defined by the
orientation of the ColorBar
"""
(halfw, halfh) = self._halfdim
if self.orientation in ["top",... | The size of the ColorBar
Returns
-------
size: (major_axis_length, minor_axis_length)
major and minor axis are defined by the
orientation of the ColorBar | entailment |
def add_pseudo_fields(self):
"""Add 'pseudo' fields (e.g non-displayed fields) to the display."""
fields = []
if self.backlight_on != enums.BACKLIGHT_ON_NEVER:
fields.append(
display_fields.BacklightPseudoField(ref='0', backlight_rule=self.backlight_on)
)
... | Add 'pseudo' fields (e.g non-displayed fields) to the display. | entailment |
def padded(self, padding):
"""Return a new Rect padded (smaller) by padding on all sides
Parameters
----------
padding : float
The padding.
Returns
-------
rect : instance of Rect
The padded rectangle.
"""
return Rect(pos=... | Return a new Rect padded (smaller) by padding on all sides
Parameters
----------
padding : float
The padding.
Returns
-------
rect : instance of Rect
The padded rectangle. | entailment |
def normalized(self):
"""Return a Rect covering the same area, but with height and width
guaranteed to be positive."""
return Rect(pos=(min(self.left, self.right),
min(self.top, self.bottom)),
size=(abs(self.width), abs(self.height))) | Return a Rect covering the same area, but with height and width
guaranteed to be positive. | entailment |
def flipped(self, x=False, y=True):
"""Return a Rect with the same bounds but with axes inverted
Parameters
----------
x : bool
Flip the X axis.
y : bool
Flip the Y axis.
Returns
-------
rect : instance of Rect
The fli... | Return a Rect with the same bounds but with axes inverted
Parameters
----------
x : bool
Flip the X axis.
y : bool
Flip the Y axis.
Returns
-------
rect : instance of Rect
The flipped rectangle. | entailment |
def _transform_in(self):
"""Return array of coordinates that can be mapped by Transform
classes."""
return np.array([
[self.left, self.bottom, 0, 1],
[self.right, self.top, 0, 1]]) | Return array of coordinates that can be mapped by Transform
classes. | entailment |
def configure(self, viewport=None, fbo_size=None, fbo_rect=None,
canvas=None):
"""Automatically configure the TransformSystem:
* canvas_transform maps from the Canvas logical pixel
coordinate system to the framebuffer coordinate system, taking into
account the log... | Automatically configure the TransformSystem:
* canvas_transform maps from the Canvas logical pixel
coordinate system to the framebuffer coordinate system, taking into
account the logical/physical pixel scale factor, current FBO
position, and y-axis inversion.
* framebuff... | entailment |
def dpi(self):
""" Physical resolution of the document coordinate system (dots per
inch).
"""
if self._dpi is None:
if self._canvas is None:
return None
else:
return self.canvas.dpi
else:
return self._dpi | Physical resolution of the document coordinate system (dots per
inch). | entailment |
def get_transform(self, map_from='visual', map_to='render'):
"""Return a transform mapping between any two coordinate systems.
Parameters
----------
map_from : str
The starting coordinate system to map from. Must be one of: visual,
scene, document, canvas... | Return a transform mapping between any two coordinate systems.
Parameters
----------
map_from : str
The starting coordinate system to map from. Must be one of: visual,
scene, document, canvas, framebuffer, or render.
map_to : str
The ending co... | entailment |
def _calculate_delta_pos(adjacency_arr, pos, t, optimal):
"""Helper to calculate the delta position"""
# XXX eventually this should be refactored for the sparse case to only
# do the necessary pairwise distances
delta = pos[:, np.newaxis, :] - pos
# Distance between points
distance2 = (delta*de... | Helper to calculate the delta position | entailment |
def get_recipe_intent_handler(request):
"""
You can insert arbitrary business logic code here
"""
# Get variables like userId, slots, intent name etc from the 'Request' object
ingredient = request.slots["Ingredient"] # Gets an Ingredient Slot from the Request object.
if ingredient == ... | You can insert arbitrary business logic code here | entailment |
def use(app=None, gl=None):
""" Set the usage options for vispy
Specify what app backend and GL backend to use.
Parameters
----------
app : str
The app backend to use (case insensitive). Standard backends:
* 'PyQt4': use Qt widget toolkit via PyQt4.
* 'PyQt5': use Q... | Set the usage options for vispy
Specify what app backend and GL backend to use.
Parameters
----------
app : str
The app backend to use (case insensitive). Standard backends:
* 'PyQt4': use Qt widget toolkit via PyQt4.
* 'PyQt5': use Qt widget toolkit via PyQt5.
... | entailment |
def run_subprocess(command, return_code=False, **kwargs):
"""Run command using subprocess.Popen
Run command and wait for command to complete. If the return code was zero
then return, otherwise raise CalledProcessError.
By default, this will also add stdout= and stderr=subproces.PIPE
to the call to ... | Run command using subprocess.Popen
Run command and wait for command to complete. If the return code was zero
then return, otherwise raise CalledProcessError.
By default, this will also add stdout= and stderr=subproces.PIPE
to the call to Popen to suppress printing to the terminal.
Parameters
-... | entailment |
def start(self, interval=None, iterations=None):
"""Start the timer.
A timeout event will be generated every *interval* seconds.
If *interval* is None, then self.interval will be used.
If *iterations* is specified, the timer will stop after
emitting that number of events. If un... | Start the timer.
A timeout event will be generated every *interval* seconds.
If *interval* is None, then self.interval will be used.
If *iterations* is specified, the timer will stop after
emitting that number of events. If unspecified, then
the previous value of self.iteration... | entailment |
def stop(self):
"""Stop the timer."""
self._backend._vispy_stop()
self._running = False
self.events.stop(type='timer_stop') | Stop the timer. | entailment |
def _best_res_pixels(self):
"""
Returns a numpy array of all the HEALPix indexes contained in the MOC at its max order.
Returns
-------
result : `~numpy.ndarray`
The array of HEALPix at ``max_order``
"""
factor = 2 * (AbstractMOC.HPY_MAX_NORDER - self... | Returns a numpy array of all the HEALPix indexes contained in the MOC at its max order.
Returns
-------
result : `~numpy.ndarray`
The array of HEALPix at ``max_order`` | entailment |
def contains(self, ra, dec, keep_inside=True):
"""
Returns a boolean mask array of the positions lying inside (or outside) the MOC instance.
Parameters
----------
ra : `astropy.units.Quantity`
Right ascension array
dec : `astropy.units.Quantity`
D... | Returns a boolean mask array of the positions lying inside (or outside) the MOC instance.
Parameters
----------
ra : `astropy.units.Quantity`
Right ascension array
dec : `astropy.units.Quantity`
Declination array
keep_inside : bool, optional
T... | entailment |
def add_neighbours(self):
"""
Extends the MOC instance so that it includes the HEALPix cells touching its border.
The depth of the HEALPix cells added at the border is equal to the maximum depth of the MOC instance.
Returns
-------
moc : `~mocpy.moc.MOC`
sel... | Extends the MOC instance so that it includes the HEALPix cells touching its border.
The depth of the HEALPix cells added at the border is equal to the maximum depth of the MOC instance.
Returns
-------
moc : `~mocpy.moc.MOC`
self extended by one degree of neighbours. | entailment |
def remove_neighbours(self):
"""
Removes from the MOC instance the HEALPix cells located at its border.
The depth of the HEALPix cells removed is equal to the maximum depth of the MOC instance.
Returns
-------
moc : `~mocpy.moc.MOC`
self minus its HEALPix ce... | Removes from the MOC instance the HEALPix cells located at its border.
The depth of the HEALPix cells removed is equal to the maximum depth of the MOC instance.
Returns
-------
moc : `~mocpy.moc.MOC`
self minus its HEALPix cells located at its border. | entailment |
def fill(self, ax, wcs, **kw_mpl_pathpatch):
"""
Draws the MOC on a matplotlib axis.
This performs the projection of the cells from the world coordinate system to the pixel image coordinate system.
You are able to specify various styling kwargs for `matplotlib.patches.PathPatch`
... | Draws the MOC on a matplotlib axis.
This performs the projection of the cells from the world coordinate system to the pixel image coordinate system.
You are able to specify various styling kwargs for `matplotlib.patches.PathPatch`
(see the `list of valid keywords <https://matplotlib.org/api/_as... | entailment |
def border(self, ax, wcs, **kw_mpl_pathpatch):
"""
Draws the MOC border(s) on a matplotlib axis.
This performs the projection of the sky coordinates defining the perimeter of the MOC to the pixel image coordinate system.
You are able to specify various styling kwargs for `matplotlib.pat... | Draws the MOC border(s) on a matplotlib axis.
This performs the projection of the sky coordinates defining the perimeter of the MOC to the pixel image coordinate system.
You are able to specify various styling kwargs for `matplotlib.patches.PathPatch`
(see the `list of valid keywords <https://... | entailment |
def from_image(cls, header, max_norder, mask=None):
"""
Creates a `~mocpy.moc.MOC` from an image stored as a FITS file.
Parameters
----------
header : `astropy.io.fits.Header`
FITS header containing all the info of where the image is located (position, size, etc...)
... | Creates a `~mocpy.moc.MOC` from an image stored as a FITS file.
Parameters
----------
header : `astropy.io.fits.Header`
FITS header containing all the info of where the image is located (position, size, etc...)
max_norder : int
The moc resolution.
mask : ... | entailment |
def from_fits_images(cls, path_l, max_norder):
"""
Loads a MOC from a set of FITS file images.
Parameters
----------
path_l : [str]
A list of path where the fits image are located.
max_norder : int
The MOC resolution.
Returns
----... | Loads a MOC from a set of FITS file images.
Parameters
----------
path_l : [str]
A list of path where the fits image are located.
max_norder : int
The MOC resolution.
Returns
-------
moc : `~mocpy.moc.MOC`
The union of all the... | entailment |
def from_vizier_table(cls, table_id, nside=256):
"""
Creates a `~mocpy.moc.MOC` object from a VizieR table.
**Info**: This method is already implemented in `astroquery.cds <https://astroquery.readthedocs.io/en/latest/cds/cds.html>`__. You can ask to get a `mocpy.moc.MOC` object
from a v... | Creates a `~mocpy.moc.MOC` object from a VizieR table.
**Info**: This method is already implemented in `astroquery.cds <https://astroquery.readthedocs.io/en/latest/cds/cds.html>`__. You can ask to get a `mocpy.moc.MOC` object
from a vizier catalog ID.
Parameters
----------
tabl... | entailment |
def from_ivorn(cls, ivorn, nside=256):
"""
Creates a `~mocpy.moc.MOC` object from a given ivorn.
Parameters
----------
ivorn : str
nside : int, optional
256 by default
Returns
-------
result : `~mocpy.moc.MOC`
The resultin... | Creates a `~mocpy.moc.MOC` object from a given ivorn.
Parameters
----------
ivorn : str
nside : int, optional
256 by default
Returns
-------
result : `~mocpy.moc.MOC`
The resulting MOC. | entailment |
def from_url(cls, url):
"""
Creates a `~mocpy.moc.MOC` object from a given url.
Parameters
----------
url : str
The url of a FITS file storing a MOC.
Returns
-------
result : `~mocpy.moc.MOC`
The resulting MOC.
"""
... | Creates a `~mocpy.moc.MOC` object from a given url.
Parameters
----------
url : str
The url of a FITS file storing a MOC.
Returns
-------
result : `~mocpy.moc.MOC`
The resulting MOC. | entailment |
def from_skycoords(cls, skycoords, max_norder):
"""
Creates a MOC from an `astropy.coordinates.SkyCoord`.
Parameters
----------
skycoords : `astropy.coordinates.SkyCoord`
The sky coordinates that will belong to the MOC.
max_norder : int
The depth ... | Creates a MOC from an `astropy.coordinates.SkyCoord`.
Parameters
----------
skycoords : `astropy.coordinates.SkyCoord`
The sky coordinates that will belong to the MOC.
max_norder : int
The depth of the smallest HEALPix cells contained in the MOC.
... | entailment |
def from_lonlat(cls, lon, lat, max_norder):
"""
Creates a MOC from astropy lon, lat `astropy.units.Quantity`.
Parameters
----------
lon : `astropy.units.Quantity`
The longitudes of the sky coordinates belonging to the MOC.
lat : `astropy.units.Quantit... | Creates a MOC from astropy lon, lat `astropy.units.Quantity`.
Parameters
----------
lon : `astropy.units.Quantity`
The longitudes of the sky coordinates belonging to the MOC.
lat : `astropy.units.Quantity`
The latitudes of the sky coordinates belonging to... | entailment |
def from_polygon_skycoord(cls, skycoord, inside=None, max_depth=10):
"""
Creates a MOC from a polygon.
The polygon is given as an `astropy.coordinates.SkyCoord` that contains the
vertices of the polygon. Concave and convex polygons are accepted but
self-intersecting ones are cu... | Creates a MOC from a polygon.
The polygon is given as an `astropy.coordinates.SkyCoord` that contains the
vertices of the polygon. Concave and convex polygons are accepted but
self-intersecting ones are currently not properly handled.
Parameters
----------
skycoord : `... | entailment |
def from_polygon(cls, lon, lat, inside=None, max_depth=10):
"""
Creates a MOC from a polygon
The polygon is given as lon and lat `astropy.units.Quantity` that define the
vertices of the polygon. Concave and convex polygons are accepted but
self-intersecting ones are currently n... | Creates a MOC from a polygon
The polygon is given as lon and lat `astropy.units.Quantity` that define the
vertices of the polygon. Concave and convex polygons are accepted but
self-intersecting ones are currently not properly handled.
Parameters
----------
lon : `astro... | entailment |
def sky_fraction(self):
"""
Sky fraction covered by the MOC
"""
pix_id = self._best_res_pixels()
nb_pix_filled = pix_id.size
return nb_pix_filled / float(3 << (2*(self.max_order + 1))) | Sky fraction covered by the MOC | entailment |
def _query(self, resource_id, max_rows):
"""
Internal method to query Simbad or a VizieR table
for sources in the coverage of the MOC instance
"""
from astropy.io.votable import parse_single_table
if max_rows is not None and max_rows >= 0:
max_rows_str = str(... | Internal method to query Simbad or a VizieR table
for sources in the coverage of the MOC instance | entailment |
def plot(self, title='MOC', frame=None):
"""
Plot the MOC object using a mollweide projection.
**Deprecated**: New `fill` and `border` methods produce more reliable results and allow you to specify additional
matplotlib style parameters.
Parameters
----------
t... | Plot the MOC object using a mollweide projection.
**Deprecated**: New `fill` and `border` methods produce more reliable results and allow you to specify additional
matplotlib style parameters.
Parameters
----------
title : str
The title of the plot
frame : ... | entailment |
def inverse(self):
""" The inverse of this transform.
"""
if self._inverse is None:
self._inverse = InverseTransform(self)
return self._inverse | The inverse of this transform. | entailment |
def _tile_ticks(self, frac, tickvec):
"""Tiles tick marks along the axis."""
origins = np.tile(self.axis._vec, (len(frac), 1))
origins = self.axis.pos[0].T + (origins.T*frac).T
endpoints = tickvec + origins
return origins, endpoints | Tiles tick marks along the axis. | entailment |
def _get_tick_frac_labels(self):
"""Get the major ticks, minor ticks, and major labels"""
minor_num = 4 # number of minor ticks per major division
if (self.axis.scale_type == 'linear'):
domain = self.axis.domain
if domain[1] < domain[0]:
flip = True
... | Get the major ticks, minor ticks, and major labels | entailment |
def interleave_planes(ipixels, apixels, ipsize, apsize):
"""
Interleave (colour) planes, e.g. RGB + A = RGBA.
Return an array of pixels consisting of the `ipsize` elements of
data from each pixel in `ipixels` followed by the `apsize` elements
of data from each pixel in `apixels`. Conventionally `i... | Interleave (colour) planes, e.g. RGB + A = RGBA.
Return an array of pixels consisting of the `ipsize` elements of
data from each pixel in `ipixels` followed by the `apsize` elements
of data from each pixel in `apixels`. Conventionally `ipixels`
and `apixels` are byte arrays so the sizes are bytes, but... | entailment |
def write_chunks(out, chunks):
"""Create a PNG file by writing out the chunks."""
out.write(_signature)
for chunk in chunks:
write_chunk(out, *chunk) | Create a PNG file by writing out the chunks. | entailment |
def filter_scanline(type, line, fo, prev=None):
"""Apply a scanline filter to a scanline. `type` specifies the
filter type (0 to 4); `line` specifies the current (unfiltered)
scanline as a sequence of bytes; `prev` specifies the previous
(unfiltered) scanline as a sequence of bytes. `fo` specifies the
... | Apply a scanline filter to a scanline. `type` specifies the
filter type (0 to 4); `line` specifies the current (unfiltered)
scanline as a sequence of bytes; `prev` specifies the previous
(unfiltered) scanline as a sequence of bytes. `fo` specifies the
filter offset; normally this is size of a pixel in ... | entailment |
def from_array(a, mode=None, info={}):
"""Create a PNG :class:`Image` object from a 2- or 3-dimensional
array. One application of this function is easy PIL-style saving:
``png.from_array(pixels, 'L').save('foo.png')``.
.. note :
The use of the term *3-dimensional* is for marketing purposes
... | Create a PNG :class:`Image` object from a 2- or 3-dimensional
array. One application of this function is easy PIL-style saving:
``png.from_array(pixels, 'L').save('foo.png')``.
.. note :
The use of the term *3-dimensional* is for marketing purposes
only. It doesn't actually work. Please bea... | entailment |
def make_palette(self):
"""Create the byte sequences for a ``PLTE`` and if necessary a
``tRNS`` chunk. Returned as a pair (*p*, *t*). *t* will be
``None`` if no ``tRNS`` chunk is necessary.
"""
p = array('B')
t = array('B')
for x in self.palette:
p... | Create the byte sequences for a ``PLTE`` and if necessary a
``tRNS`` chunk. Returned as a pair (*p*, *t*). *t* will be
``None`` if no ``tRNS`` chunk is necessary. | entailment |
def write(self, outfile, rows):
"""Write a PNG image to the output file. `rows` should be
an iterable that yields each row in boxed row flat pixel
format. The rows should be the rows of the original image,
so there should be ``self.height`` rows of ``self.width *
self.planes`` ... | Write a PNG image to the output file. `rows` should be
an iterable that yields each row in boxed row flat pixel
format. The rows should be the rows of the original image,
so there should be ``self.height`` rows of ``self.width *
self.planes`` values. If `interlace` is specified (when
... | entailment |
def write_passes(self, outfile, rows, packed=False):
"""
Write a PNG image to the output file.
Most users are expected to find the :meth:`write` or
:meth:`write_array` method more convenient.
The rows should be given to this method in the order that
they appear ... | Write a PNG image to the output file.
Most users are expected to find the :meth:`write` or
:meth:`write_array` method more convenient.
The rows should be given to this method in the order that
they appear in the output file. For straightlaced images,
this is the usual ... | entailment |
def write_packed(self, outfile, rows):
"""
Write PNG file to `outfile`. The pixel data comes from `rows`
which should be in boxed row packed format. Each row should be
a sequence of packed bytes.
Technically, this method does work for interlaced images but it
is best a... | Write PNG file to `outfile`. The pixel data comes from `rows`
which should be in boxed row packed format. Each row should be
a sequence of packed bytes.
Technically, this method does work for interlaced images but it
is best avoided. For interlaced images, the rows should be
... | entailment |
def convert_pnm(self, infile, outfile):
"""
Convert a PNM file containing raw pixel data into a PNG file
with the parameters set in the writer object. Works for
(binary) PGM, PPM, and PAM formats.
"""
if self.interlace:
pixels = array('B')
pixels... | Convert a PNM file containing raw pixel data into a PNG file
with the parameters set in the writer object. Works for
(binary) PGM, PPM, and PAM formats. | entailment |
def convert_ppm_and_pgm(self, ppmfile, pgmfile, outfile):
"""
Convert a PPM and PGM file containing raw pixel data into a
PNG outfile with the parameters set in the writer object.
"""
pixels = array('B')
pixels.fromfile(ppmfile,
(self.bitdepth/8) *... | Convert a PPM and PGM file containing raw pixel data into a
PNG outfile with the parameters set in the writer object. | entailment |
def file_scanlines(self, infile):
"""
Generates boxed rows in flat pixel format, from the input file
`infile`. It assumes that the input file is in a "Netpbm-like"
binary format, and is positioned at the beginning of the first
pixel. The number of pixels to read is taken from t... | Generates boxed rows in flat pixel format, from the input file
`infile`. It assumes that the input file is in a "Netpbm-like"
binary format, and is positioned at the beginning of the first
pixel. The number of pixels to read is taken from the image
dimensions (`width`, `height`, `plane... | entailment |
def array_scanlines_interlace(self, pixels):
"""
Generator for interlaced scanlines from an array. `pixels` is
the full source image in flat row flat pixel format. The
generator yields each scanline of the reduced passes in turn, in
boxed row flat pixel format.
"""
... | Generator for interlaced scanlines from an array. `pixels` is
the full source image in flat row flat pixel format. The
generator yields each scanline of the reduced passes in turn, in
boxed row flat pixel format. | entailment |
def undo_filter(self, filter_type, scanline, previous):
"""Undo the filter for a scanline. `scanline` is a sequence of
bytes that does not include the initial filter type byte.
`previous` is decoded previous scanline (for straightlaced
images this is the previous pixel row, but for inte... | Undo the filter for a scanline. `scanline` is a sequence of
bytes that does not include the initial filter type byte.
`previous` is decoded previous scanline (for straightlaced
images this is the previous pixel row, but for interlaced
images, it is the previous scanline in the reduced i... | entailment |
def deinterlace(self, raw):
"""
Read raw pixel data, undo filters, deinterlace, and flatten.
Return in flat row flat pixel format.
"""
# Values per row (of the target image)
vpr = self.width * self.planes
# Make a result array, and make it big enough. Interleav... | Read raw pixel data, undo filters, deinterlace, and flatten.
Return in flat row flat pixel format. | entailment |
def iterboxed(self, rows):
"""Iterator that yields each scanline in boxed row flat pixel
format. `rows` should be an iterator that yields the bytes of
each row in turn.
"""
def asvalues(raw):
"""Convert a row of raw bytes into a flat row. Result will
be... | Iterator that yields each scanline in boxed row flat pixel
format. `rows` should be an iterator that yields the bytes of
each row in turn. | entailment |
def serialtoflat(self, bytes, width=None):
"""Convert serial format (byte stream) pixel data to flat row
flat pixel.
"""
if self.bitdepth == 8:
return bytes
if self.bitdepth == 16:
bytes = tostring(bytes)
return array('H',
struct... | Convert serial format (byte stream) pixel data to flat row
flat pixel. | entailment |
def iterstraight(self, raw):
"""Iterator that undoes the effect of filtering, and yields
each row in serialised format (as a sequence of bytes).
Assumes input is straightlaced. `raw` should be an iterable
that yields the raw bytes in chunks of arbitrary size.
"""
# leng... | Iterator that undoes the effect of filtering, and yields
each row in serialised format (as a sequence of bytes).
Assumes input is straightlaced. `raw` should be an iterable
that yields the raw bytes in chunks of arbitrary size. | entailment |
def chunklentype(self):
"""Reads just enough of the input to determine the next
chunk's length and type, returned as a (*length*, *type*) pair
where *type* is a string. If there are no more chunks, ``None``
is returned.
"""
x = self.file.read(8)
if not x:
... | Reads just enough of the input to determine the next
chunk's length and type, returned as a (*length*, *type*) pair
where *type* is a string. If there are no more chunks, ``None``
is returned. | entailment |
def read(self, lenient=False):
"""
Read the PNG file and decode it. Returns (`width`, `height`,
`pixels`, `metadata`).
May use excessive memory.
`pixels` are returned in boxed row flat pixel format.
If the optional `lenient` argument evaluates to True,
checksu... | Read the PNG file and decode it. Returns (`width`, `height`,
`pixels`, `metadata`).
May use excessive memory.
`pixels` are returned in boxed row flat pixel format.
If the optional `lenient` argument evaluates to True,
checksum failures will raise warnings rather than exceptio... | entailment |
def palette(self, alpha='natural'):
"""Returns a palette that is a sequence of 3-tuples or 4-tuples,
synthesizing it from the ``PLTE`` and ``tRNS`` chunks. These
chunks should have already been processed (for example, by
calling the :meth:`preamble` method). All the tuples are the
... | Returns a palette that is a sequence of 3-tuples or 4-tuples,
synthesizing it from the ``PLTE`` and ``tRNS`` chunks. These
chunks should have already been processed (for example, by
calling the :meth:`preamble` method). All the tuples are the
same size: 3-tuples if there is no ``tRNS``... | entailment |
def asDirect(self):
"""Returns the image data as a direct representation of an
``x * y * planes`` array. This method is intended to remove the
need for callers to deal with palettes and transparency
themselves. Images with a palette (colour type 3)
are converted to RGB or RGBA;... | Returns the image data as a direct representation of an
``x * y * planes`` array. This method is intended to remove the
need for callers to deal with palettes and transparency
themselves. Images with a palette (colour type 3)
are converted to RGB or RGBA; images with transparency (a
... | entailment |
def asFloat(self, maxval=1.0):
"""Return image pixels as per :meth:`asDirect` method, but scale
all pixel values to be floating point values between 0.0 and
*maxval*.
"""
x,y,pixels,info = self.asDirect()
sourcemaxval = 2**info['bitdepth']-1
del info['bitdepth']
... | Return image pixels as per :meth:`asDirect` method, but scale
all pixel values to be floating point values between 0.0 and
*maxval*. | entailment |
def _as_rescale(self, get, targetbitdepth):
"""Helper used by :meth:`asRGB8` and :meth:`asRGBA8`."""
width,height,pixels,meta = get()
maxval = 2**meta['bitdepth'] - 1
targetmaxval = 2**targetbitdepth - 1
factor = float(targetmaxval) / float(maxval)
meta['bitdepth'] = tar... | Helper used by :meth:`asRGB8` and :meth:`asRGBA8`. | entailment |
def asRGB(self):
"""Return image as RGB pixels. RGB colour images are passed
through unchanged; greyscales are expanded into RGB
triplets (there is a small speed overhead for doing this).
An alpha channel in the source image will raise an
exception.
The return values a... | Return image as RGB pixels. RGB colour images are passed
through unchanged; greyscales are expanded into RGB
triplets (there is a small speed overhead for doing this).
An alpha channel in the source image will raise an
exception.
The return values are as for the :meth:`read` m... | entailment |
def asRGBA(self):
"""Return image as RGBA pixels. Greyscales are expanded into
RGB triplets; an alpha channel is synthesized if necessary.
The return values are as for the :meth:`read` method
except that the *metadata* reflect the returned pixels, not the
source image. In parti... | Return image as RGBA pixels. Greyscales are expanded into
RGB triplets; an alpha channel is synthesized if necessary.
The return values are as for the :meth:`read` method
except that the *metadata* reflect the returned pixels, not the
source image. In particular, for this method
... | entailment |
def load_data_file(fname, directory=None, force_download=False):
"""Get a standard vispy demo data file
Parameters
----------
fname : str
The filename on the remote ``demo-data`` repository to download,
e.g. ``'molecular_viewer/micelle.npy'``. These correspond to paths
on ``http... | Get a standard vispy demo data file
Parameters
----------
fname : str
The filename on the remote ``demo-data`` repository to download,
e.g. ``'molecular_viewer/micelle.npy'``. These correspond to paths
on ``https://github.com/vispy/demo-data/``.
directory : str | None
Di... | entailment |
def _chunk_read(response, local_file, chunk_size=65536, initial_size=0):
"""Download a file chunk by chunk and show advancement
Can also be used when resuming downloads over http.
Parameters
----------
response: urllib.response.addinfourl
Response to the download request in order to get fi... | Download a file chunk by chunk and show advancement
Can also be used when resuming downloads over http.
Parameters
----------
response: urllib.response.addinfourl
Response to the download request in order to get file size.
local_file: file
Hard disk file where data should be writte... | entailment |
def _chunk_write(chunk, local_file, progress):
"""Write a chunk to file and update the progress bar"""
local_file.write(chunk)
progress.update_with_increment_value(len(chunk)) | Write a chunk to file and update the progress bar | entailment |
def _fetch_file(url, file_name, print_destination=True):
"""Load requested file, downloading it if needed or requested
Parameters
----------
url: string
The url of file to be downloaded.
file_name: string
Name, along with the path, of where downloaded file will be saved.
print_d... | Load requested file, downloading it if needed or requested
Parameters
----------
url: string
The url of file to be downloaded.
file_name: string
Name, along with the path, of where downloaded file will be saved.
print_destination: bool, optional
If true, destination of where... | entailment |
def update(self, cur_value, mesg=None):
"""Update progressbar with current value of process
Parameters
----------
cur_value : number
Current value of process. Should be <= max_value (but this is not
enforced). The percent of the progressbar will be computed as
... | Update progressbar with current value of process
Parameters
----------
cur_value : number
Current value of process. Should be <= max_value (but this is not
enforced). The percent of the progressbar will be computed as
(cur_value / max_value) * 100
m... | entailment |
def update_with_increment_value(self, increment_value, mesg=None):
"""Update progressbar with the value of the increment instead of the
current value of process as in update()
Parameters
----------
increment_value : int
Value of the increment of process. The percent... | Update progressbar with the value of the increment instead of the
current value of process as in update()
Parameters
----------
increment_value : int
Value of the increment of process. The percent of the progressbar
will be computed as
(self.cur_valu... | entailment |
def central_widget(self):
""" Returns the default widget that occupies the entire area of the
canvas.
"""
if self._central_widget is None:
self._central_widget = Widget(size=self.size, parent=self.scene)
return self._central_widget | Returns the default widget that occupies the entire area of the
canvas. | entailment |
def render(self, region=None, size=None, bgcolor=None):
"""Render the scene to an offscreen buffer and return the image array.
Parameters
----------
region : tuple | None
Specifies the region of the canvas to render. Format is
(x, y, w, h). By default, t... | Render the scene to an offscreen buffer and return the image array.
Parameters
----------
region : tuple | None
Specifies the region of the canvas to render. Format is
(x, y, w, h). By default, the entire canvas is rendered.
size : tuple | None
... | entailment |
def draw_visual(self, visual, event=None):
""" Draw a visual and its children to the canvas or currently active
framebuffer.
Parameters
----------
visual : Visual
The visual to draw
event : None or DrawEvent
Optionally specifies the origin... | Draw a visual and its children to the canvas or currently active
framebuffer.
Parameters
----------
visual : Visual
The visual to draw
event : None or DrawEvent
Optionally specifies the original canvas draw event that initiated
this dr... | entailment |
def _generate_draw_order(self, node=None):
"""Return a list giving the order to draw visuals.
Each node appears twice in the list--(node, True) appears before the
node's children are drawn, and (node, False) appears after.
"""
if node is None:
node = self._sc... | Return a list giving the order to draw visuals.
Each node appears twice in the list--(node, True) appears before the
node's children are drawn, and (node, False) appears after. | entailment |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.