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Pcolormesh update for interpolation with wrapped coordinates #1646

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Merged
greglucas merged 4 commits into from
Sep 17, 2021
Merged

Pcolormesh update for interpolation with wrapped coordinates #1646

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00400f3
MAINT: Refactor pcolormesh code
greglucas Aug 29, 2020
c63849a
FIX: Update pcolor(mesh) to create grid edges
greglucas Aug 29, 2020
8883581
MNT: Make projection wrapping a private class attribute
greglucas Sep 14, 2021
6272f9e
MNT: Cleaning up pcolormesh wrap indentation
greglucas Sep 17, 2021
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16 changes: 16 additions & 0 deletions lib/cartopy/crs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -641,6 +641,8 @@ class Projection(CRS, metaclass=ABCMeta):
'MultiLineString': '_project_multiline',
'MultiPolygon': '_project_multipolygon',
}
# Whether or not this projection can handle wrapped coordinates
_wrappable = False

def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
Expand Down Expand Up @@ -1248,6 +1250,8 @@ class _RectangularProjection(Projection, metaclass=ABCMeta):
is symmetric about the origin.

"""
_wrappable = True

def __init__(self, proj4_params, half_width, half_height, globe=None):
self._half_width = half_width
self._half_height = half_height
Expand All @@ -1273,6 +1277,7 @@ class _CylindricalProjection(_RectangularProjection, metaclass=ABCMeta):
want to allow x values to wrap around.

"""
_wrappable = True


def _ellipse_boundary(semimajor=2, semiminor=1, easting=0, northing=0, n=201):
Expand Down Expand Up @@ -1386,6 +1391,8 @@ class TransverseMercator(Projection):
A Transverse Mercator projection.

"""
_wrappable = True

def __init__(self, central_longitude=0.0, central_latitude=0.0,
false_easting=0.0, false_northing=0.0,
scale_factor=1.0, globe=None, approx=None):
Expand Down Expand Up @@ -1579,6 +1586,7 @@ class Mercator(Projection):
A Mercator projection.

"""
_wrappable = True

def __init__(self, central_longitude=0.0,
min_latitude=-80.0, max_latitude=84.0,
Expand Down Expand Up @@ -1826,6 +1834,7 @@ class LambertAzimuthalEqualArea(Projection):
A Lambert Azimuthal Equal-Area projection.

"""
_wrappable = True

def __init__(self, central_longitude=0.0, central_latitude=0.0,
false_easting=0.0, false_northing=0.0,
Expand Down Expand Up @@ -1969,6 +1978,8 @@ def y_limits(self):


class Stereographic(Projection):
_wrappable = True

def __init__(self, central_latitude=0.0, central_longitude=0.0,
false_easting=0.0, false_northing=0.0,
true_scale_latitude=None,
Expand Down Expand Up @@ -2082,6 +2093,8 @@ def y_limits(self):


class _WarpedRectangularProjection(Projection, metaclass=ABCMeta):
_wrappable = True

def __init__(self, proj4_params, central_longitude,
false_easting=None, false_northing=None, globe=None):
if false_easting is not None:
Expand Down Expand Up @@ -2428,6 +2441,8 @@ class InterruptedGoodeHomolosine(Projection):
A central_longitude value of -160 is recommended for the oceanic view.

"""
_wrappable = True

def __init__(self, central_longitude=0, globe=None, emphasis='land'):
"""
Parameters
Expand Down Expand Up @@ -2804,6 +2819,7 @@ class AzimuthalEquidistant(Projection):
This projection provides accurate angles about and distances through the
central position. Other angles, distances, or areas may be distorted.
"""
_wrappable = True

def __init__(self, central_longitude=0.0, central_latitude=0.0,
false_easting=0.0, false_northing=0.0,
Expand Down
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