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Filter adjustments (density prefilter, gutter)

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This commit is contained in:
Steven Robertson
2011-06-11 15:58:15 -04:00
parent 1deb3105a0
commit 94c453d153
4 changed files with 31 additions and 26 deletions
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14
cuburn/render.py
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@ -38,7 +38,9 @@ class Genome(pyflam3.Genome):
"""
# TODO: when reading as a property during packing, this may be
# calculated 6 times instead of 1
return ( affine.translate(0.5 * cp.width, 0.5 * cp.height)
# TODO: also requires knowing gutter width
g = Features.gutter
return ( affine.translate(0.5 * cp.width + g, 0.5 * cp.height + g)
* affine.scale(cp.ppu, cp.ppu)
* affine.translate(-cp._center[0], -cp._center[1])
* affine.rotate(cp.rotate * 2 * np.pi / 360,
@ -90,6 +92,10 @@ class Features(object):
# performance too much. Power-of-two, please.
palette_height = 16
# Maximum width of DE and other spatial filters, and thus in turn the
# amount of padding applied
gutter = 16
def __init__(self, genomes):
any = lambda l: bool(filter(None, map(l, genomes)))
self.max_ntemporal_samples = max(
@ -112,9 +118,9 @@ class Features(object):
self.width = genomes[0].width
self.height = genomes[0].height
self.acc_width = genomes[0].width
self.acc_height = genomes[0].height
self.acc_stride = genomes[0].width
self.acc_width = genomes[0].width + 2 * self.gutter
self.acc_height = genomes[0].height + 2 * self.gutter
self.acc_stride = genomes[0].width + 2 * self.gutter
class XFormFeatures(object):
def __init__(self, xforms, xform_id):