def load (self) :
SVGLayer.load(self)
if self.nb_images()>0 :
w,h,d=self.size()
self.set_size(w,h,self.nb_images()-1)
dx=float(self.get_default("dx",1.))
dy=float(self.get_default("dy",1.))
dz=float(self.get_default("dz",1.))
self.set_resolution(dx,dy,dz)
#variants
for i in xrange(self.nb_children()) :
if self.child(i).nodename()=="variant" :
variant=SVGStackVariant()
variant.from_node(self.child(i))
self.set_child(i,variant)
self._variants.append(variant)
variant.load()
#masked images
self._masked=[]
for im in self.images() :
name=im.filename()
if name[-1]=="X" :
self._masked.append(True)
im.set_filename(name[:-1])
else :
self._masked.append(False)
def save (self) :
var_mem=self._variant_used
self.use_variant(None)
#variants
for var in self.variants() :
var.save()
#node
inv=lambda x : 1./x if abs(x)>1e-6 else 0.
dx,dy,dz=self.resolution()
self._transform3D*=Matrix4(scaling(tuple(inv(r) for r in (dx,dy,dz))))
#masked
for i in xrange(len(self)) :
im=self.image(i)
if self._masked[i] :
im.set_filename("%sX" % im.filename())
SVGLayer.save(self)
self.set_attribute("descr","stack")
self.set_attribute("dx","%f" % dx)
self.set_attribute("dy","%f" % dy)
self.set_attribute("dz","%f" % dz)
self._transform3D*=Matrix4(scaling((dx,dy,dz)))
#masked
for i in xrange(len(self)) :
im=self.image(i)
if self._masked[i] :
im.set_filename(im.filename()[:-1])
#variant
self.use_variant(var_mem)
def save(self):
var_mem = self._variant_used
self.use_variant(None)
#variants
for var in self.variants():
var.save()
#node
inv = lambda x: 1. / x if abs(x) > 1e-6 else 0.
dx, dy, dz = self.resolution()
self._transform3D *= Matrix4(
scaling(tuple(inv(r) for r in (dx, dy, dz))))
#masked
for i in xrange(len(self)):
im = self.image(i)
if self._masked[i]:
im.set_filename("%sX" % im.filename())
SVGLayer.save(self)
self.set_attribute("descr", "stack")
self.set_attribute("dx", "%f" % dx)
self.set_attribute("dy", "%f" % dy)
self.set_attribute("dz", "%f" % dz)
self._transform3D *= Matrix4(scaling((dx, dy, dz)))
#masked
for i in xrange(len(self)):
im = self.image(i)
if self._masked[i]:
im.set_filename(im.filename()[:-1])
#variant
self.use_variant(var_mem)
def load(self):
SVGLayer.load(self)
if self.nb_images() > 0:
w, h, d = self.size()
self.set_size(w, h, self.nb_images() - 1)
dx = float(self.get_default("dx", 1.))
dy = float(self.get_default("dy", 1.))
dz = float(self.get_default("dz", 1.))
self.set_resolution(dx, dy, dz)
#variants
for i in xrange(self.nb_children()):
if self.child(i).nodename() == "variant":
variant = SVGStackVariant()
variant.from_node(self.child(i))
self.set_child(i, variant)
self._variants.append(variant)
variant.load()
#masked images
self._masked = []
for im in self.images():
name = im.filename()
if name[-1] == "X":
self._masked.append(True)
im.set_filename(name[:-1])
else:
self._masked.append(False)
def add_image (self, image_name, width, height, masked=False, zreverse=False) :
ind=len(self)
gr=SVGLayer("gslice%.4d" % ind)
self.append(gr)
gr.set_size(width,height)
if zreverse :
gr.translate( (0,0,-ind) )
else :
gr.translate( (0,0,ind) )
gr.display=False
im=SVGImage("slice%.4d" % ind)
gr.append(im)
im.set_filename(image_name)
im.scale2D( (width,height,1.) )
self._masked.append(masked)
def svg_element(xmlelm):
"""Factory
Construct the appropriate SVGElement
according to informations stored
in an XMLElement
:Returns Type: :class:`SVGElement`
"""
name = xmlelm.nodename()
if name[:4] == "svg:":
name = name[4:]
if name == "rect":
return SVGBox(0, 0, 1, 1)
elif name == "image":
return SVGImage(0, 0, 1, 1, None)
elif name == "text":
return SVGText(0, 0, "txt")
elif name == "circle":
return SVGSphere(0, 0, 1, 1)
elif name == "ellipse":
return SVGSphere(0, 0, 1, 1)
elif name == "path": #either a path, a circle or a connector
if xmlelm.has_attribute("sodipodi:type") \
and xmlelm.attribute("sodipodi:type") == "arc" :#its a circle
return SVGSphere(0, 0, 1, 1)
#TODO extend to other sodipodi types if needed
else: #either a path or a connector
if xmlelm.has_attribute(
"inkscape:connector-type"): #it's a connector
return SVGConnector(None, None)
else: #it's a simple path
return SVGPath()
elif name == "g": #either a group or a layer
if xmlelm.has_attribute(
"inkscape:groupmode"): #either a layer or a stack
if (xmlelm.has_attribute("descr")
and xmlelm.attribute("descr") == "stack"):
return SVGStack()
else:
return SVGLayer("layer", 1, 1)
else:
return SVGGroup(1, 1)
else:
raise KeyError("Node not recognized: '%s'" % name)
def __init__ (self, id=None, parent=None) : SVGLayer.__init__(self,id,parent) self.display=False self._variants=[] self._variant_used=None self._masked=[]
def add_image(self,
image_name,
width,
height,
masked=False,
zreverse=False):
ind = len(self)
gr = SVGLayer("gslice%.4d" % ind)
self.append(gr)
gr.set_size(width, height)
if zreverse:
gr.translate((0, 0, -ind))
else:
gr.translate((0, 0, ind))
gr.display = False
im = SVGImage("slice%.4d" % ind)
gr.append(im)
im.set_filename(image_name)
im.scale2D((width, height, 1.))
self._masked.append(masked)
def __init__(self, id=None, parent=None):
SVGLayer.__init__(self, id, parent)
self.display = False
self._variants = []
self._variant_used = None
self._masked = []