def mapfeature(index, shape, sf):
# map individual features, returns Features
sf_xrange = sf.bbox[2] - sf.bbox[0]
sf_yrange = sf.bbox[3] - sf.bbox[1]
ft = Feature()
ft.id = index + 1
if sf.shapeType == 1:
(ptx, pty) = shape.points[0]
sh_bbox = (ptx, pty, ptx, pty)
else:
sh_bbox = shape.bbox
ft_xmin = ((sh_bbox[0] - sf.bbox[0]) / sf_xrange * 255.0)
# not sure why this rounding is needed, but it is
mod_xmin = (ft_xmin % 1 - .005) % 1 + int(ft_xmin)
ft.xmin = int(floor(mod_xmin))
if ft.xmin < 0: ft.xmin = 0
ft_ymin = ((sh_bbox[1] - sf.bbox[1]) / sf_yrange * 255.0)
mod_ymin = (ft_ymin % 1 - .005) % 1 + int(ft_ymin)
ft.ymin = int(floor(mod_ymin))
if ft.ymin < 0: ft.ymin = 0
ft_xmax = ((sh_bbox[2] - sf.bbox[0]) / sf_xrange * 255.0)
mod_xmax = (ft_xmax % 1 + .005) % 1 + int(ft_xmax)
ft.xmax = int(ceil(mod_xmax))
if ft.xmax > 255: ft.xmax = 255
ft_ymax = ((sh_bbox[3] - sf.bbox[1]) / sf_yrange * 255.0)
mod_ymax = (ft_ymax % 1 + .005) % 1 + int(ft_ymax)
ft.ymax = int(ceil(mod_ymax))
if ft.ymax > 255: ft.ymax = 255
return ft
def mapfeature(index, shape, sf):
# map individual features, returns Features
sf_xrange = sf.bbox[2] - sf.bbox[0]
sf_yrange = sf.bbox[3] - sf.bbox[1]
ft = Feature()
ft.id = index + 1
if sf.shapeType == 1:
(ptx, pty) = shape.points[0]
sh_bbox = (ptx, pty, ptx, pty)
else:
sh_bbox = shape.bbox
ft_xmin = (sh_bbox[0] - sf.bbox[0]) / sf_xrange * 255.0
# not sure why this rounding is needed, but it is
mod_xmin = (ft_xmin % 1 - 0.005) % 1 + int(ft_xmin)
ft.xmin = int(floor(mod_xmin))
if ft.xmin < 0:
ft.xmin = 0
ft_ymin = (sh_bbox[1] - sf.bbox[1]) / sf_yrange * 255.0
mod_ymin = (ft_ymin % 1 - 0.005) % 1 + int(ft_ymin)
ft.ymin = int(floor(mod_ymin))
if ft.ymin < 0:
ft.ymin = 0
ft_xmax = (sh_bbox[2] - sf.bbox[0]) / sf_xrange * 255.0
mod_xmax = (ft_xmax % 1 + 0.005) % 1 + int(ft_xmax)
ft.xmax = int(ceil(mod_xmax))
if ft.xmax > 255:
ft.xmax = 255
ft_ymax = (sh_bbox[3] - sf.bbox[1]) / sf_yrange * 255.0
mod_ymax = (ft_ymax % 1 + 0.005) % 1 + int(ft_ymax)
ft.ymax = int(ceil(mod_ymax))
if ft.ymax > 255:
ft.ymax = 255
return ft
#node.full = True
child.features = []
child.holdfeatures = []
return
if __name__ == "__main__":
t = Tree(4)
for i in range(8):
f = Feature()
f.xmin = 120
f.xmax = 130
f.ymin = 120
f.ymax = 130
t.insert(f)
f = Feature()
f.xmin = 130
f.xmax = 140
f.ymin = 130
f.ymax = 140
t.insert(f)
for node in t.nodes[1:]:
hfl = len(node.holdfeatures)
nfl = len(node.nodefeatures)
print "%s: %s %s" % (node.id, nfl, hfl)
child.features = []
child.holdfeatures = []
return
if __name__ == "__main__":
t = Tree(4)
for i in range(8):
f = Feature()
f.xmin = 120
f.xmax = 130
f.ymin = 120
f.ymax = 130
t.insert(f)
f = Feature()
f.xmin = 130
f.xmax = 140
f.ymin = 130
f.ymax = 140
t.insert(f)
for node in t.nodes[1:]:
hfl = len(node.holdfeatures)
nfl = len(node.nodefeatures)
print "%s: %s %s" % (node.id, nfl, hfl)