1.784 3.282, 1.347 3.282))''')
# 1
ax = fig.add_subplot(121)
patch1a = PolygonPatch(R, facecolor=GRAY, edgecolor=GRAY, alpha=0.5, zorder=1)
skewR = affinity.skew(R, xs=20, origin=(1, 1))
patch1b = PolygonPatch(skewR,
facecolor=BLUE,
edgecolor=BLUE,
alpha=0.5,
zorder=2)
ax.add_patch(patch1a)
ax.add_patch(patch1b)
add_origin(ax, R, (1, 1))
ax.set_title("a) xs=20, origin(1, 1)")
set_limits(ax, 0, 5, 0, 4)
# 2
ax = fig.add_subplot(122)
patch2a = PolygonPatch(R, facecolor=GRAY, edgecolor=GRAY, alpha=0.5, zorder=1)
skewR = affinity.skew(R, ys=30)
patch2b = PolygonPatch(skewR,
facecolor=BLUE,
edgecolor=BLUE,
alpha=0.5,
zorder=2)
patch = PolygonPatch(triangle,
facecolor=GRAY,
edgecolor=GRAY,
alpha=0.5,
zorder=1)
triangle_a = affinity.scale(triangle, xfact=1.5, yfact=-1)
patch_a = PolygonPatch(triangle_a,
facecolor=BLUE,
edgecolor=BLUE,
alpha=0.5,
zorder=2)
ax.add_patch(patch)
ax.add_patch(patch_a)
add_origin(ax, triangle, 'center')
ax.set_title("a) xfact=1.5, yfact=-1")
set_limits(ax, 0, 5, 0, 4)
# 2
ax = fig.add_subplot(122)
patch = PolygonPatch(triangle,
facecolor=GRAY,
edgecolor=GRAY,
alpha=0.5,
zorder=1)
triangle_b = affinity.scale(triangle, xfact=2, origin=(1, 1))
patch_b = PolygonPatch(triangle_b,
(1.347 3.282, 1.347 2.371, 1.784 2.371, 1.902 2.378, 2.004 2.4, 2.091 2.436,
2.163 2.487, 2.219 2.552, 2.259 2.63, 2.283 2.722, 2.291 2.828, 2.283 2.933,
2.259 3.025, 2.219 3.103, 2.163 3.167, 2.091 3.217, 2.004 3.253, 1.902 3.275,
1.784 3.282, 1.347 3.282))"""
)
# 1
ax = fig.add_subplot(121)
patch1a = PolygonPatch(R, facecolor=GRAY, edgecolor=GRAY, alpha=0.5, zorder=1)
skewR = affinity.skew(R, xs=20, origin=(1, 1))
patch1b = PolygonPatch(skewR, facecolor=BLUE, edgecolor=BLUE, alpha=0.5, zorder=2)
ax.add_patch(patch1a)
ax.add_patch(patch1b)
add_origin(ax, R, (1, 1))
ax.set_title("a) xs=20, origin(1, 1)")
set_limits(ax, 0, 5, 0, 4)
# 2
ax = fig.add_subplot(122)
patch2a = PolygonPatch(R, facecolor=GRAY, edgecolor=GRAY, alpha=0.5, zorder=1)
skewR = affinity.skew(R, ys=30)
patch2b = PolygonPatch(skewR, facecolor=BLUE, edgecolor=BLUE, alpha=0.5, zorder=2)
ax.add_patch(patch2a)
ax.add_patch(patch2b)
add_origin(ax, R, "center")
from matplotlib import pyplot
from shapely.geometry import LineString
from shapely import affinity
from figures import SIZE, BLUE, GRAY, set_limits, plot_line, add_origin
fig = pyplot.figure(1, figsize=SIZE, dpi=90)
line = LineString([(1, 3), (1, 1), (4, 1)])
# 1
ax = fig.add_subplot(121)
plot_line(ax, line, GRAY)
plot_line(ax, affinity.rotate(line, 90, 'center'), BLUE)
add_origin(ax, line, 'center')
ax.set_title(u"90\N{DEGREE SIGN}, default origin (center)")
set_limits(ax, 0, 5, 0, 4)
# 2
ax = fig.add_subplot(122)
plot_line(ax, line, GRAY)
plot_line(ax, affinity.rotate(line, 90, 'centroid'), BLUE)
add_origin(ax, line, 'centroid')
ax.set_title(u"90\N{DEGREE SIGN}, origin='centroid'")
set_limits(ax, 0, 5, 0, 4)
from figures import SIZE, BLUE, GRAY, set_limits, add_origin
fig = pyplot.figure(1, figsize=SIZE, dpi=90)
triangle = Polygon([(1, 1), (2, 3), (3, 1)])
# 1
ax = fig.add_subplot(121)
patch = PolygonPatch(triangle, facecolor=GRAY, edgecolor=GRAY, alpha=0.5, zorder=1)
triangle_a = affinity.scale(triangle, xfact=1.5, yfact=-1)
patch_a = PolygonPatch(triangle_a, facecolor=BLUE, edgecolor=BLUE, alpha=0.5, zorder=2)
ax.add_patch(patch)
ax.add_patch(patch_a)
add_origin(ax, triangle, "center")
ax.set_title("a) xfact=1.5, yfact=-1")
set_limits(ax, 0, 5, 0, 4)
# 2
ax = fig.add_subplot(122)
patch = PolygonPatch(triangle, facecolor=GRAY, edgecolor=GRAY, alpha=0.5, zorder=1)
triangle_b = affinity.scale(triangle, xfact=2, origin=(1, 1))
patch_b = PolygonPatch(triangle_b, facecolor=BLUE, edgecolor=BLUE, alpha=0.5, zorder=2)
ax.add_patch(patch)
ax.add_patch(patch_b)
add_origin(ax, triangle, (1, 1))