def write_svg(dataset, name, scale=1, img=True):
'''write_svg(Options dataset, str name, num scale) -> SVG'''
if 'size' in dataset:
shape = dataset.size
else: shape = png_to_ndarray(dataset.fname).shape
shb = builders.ShapeBuilder()
out = builders.svg(name)
img = builders.image(x=0, y=0, width=shape[1], height=shape[0])
img.set_xlink_href(os.path.abspath(dataset.fname))
grp = builders.g()
grp.set_transform("scale(%f, %f)" % tuple(scale * np.array(dataset.aspect)))
grp.addElement(img)
out.addElement(grp)
return out
def create(self):
path = '/home/max/workspace/SnakeIsland/resources/images/svgexport'
self.setPath(path)
vigra.impex.writeImage(self.image, self.imgpath)
self.svgdoc = svg()
# add image
svgimg = svgimage(x=0,y=0,height=1000,width=1000)
svgimg.set_xlink_href(self.imgpath)
self.svgdoc.addElement(svgimg)
# draw mapfeatures
self.drawMapFeatures(self.mapfeatures)
# draw snakes
green = 'lime'
red = 'red'
self.drawSnake(self.refsnk, colour=red)
self.drawSnake(self.optsnk, colour=green)
def draw(self):
#TODO:place testgrid 1" to the right of the TitleBlock
# the user may have specified on the command line to draw groups that
# aren't present in the file. If not present, print a warning and remove those groups from the self.displayed_groups list.
todelete = []
for gpname in self.displayed_groups:
if gpname not in self.groups:
print 'Warning: Command line printgroups argument included group <%s> but that group is not in the pattern' % gpname
todelete.append(gpname)
for delgrp in todelete:
self.displayed_groups.remove(delgrp)
# any sanity checks on configuration before drawing go here
if 'border' not in self.cfg:
self.cfg['border'] = 2.54 * CM_TO_PX
# if there are no groups in the list of ones to draw, then default to all of them
if len(self.displayed_groups) == 0:
for groupname in self.groups:
self.displayed_groups.append(groupname)
# create the base pysvg object
svg_base = PYB.svg()
if 'tooltips' in self.cfg:
# If --tooltips specified in mkpattern command line options
# create pysvg script class object, add to svg_base object, & set script to initialize on document load
svg_script = PYB.script()
svg_script.set_xlink_href('tmtp_mouse.js')
svg_script.set_xlink_type('text/ecmascript')
svg_base.addElement(svg_script)
svg_base.set_onload('init(evt)')
# Add the tooltip text element. Start it hidden at upper left with 'ToolTip' as it's displayable string.
ttel = self.generateText(0, 0, 'tooltip', 'ToolTip',
'tooltip_text_style')
ttel.setAttribute('visibility', 'hidden')
svg_base.addElement(ttel)
# for some of the common information, make them attributes also
meta_info = self.cfg['metainfo']
for lbl in [
'companyName', 'designerName', 'patternname', 'patternNumber'
]:
if lbl in meta_info:
self.attrs[lbl] = meta_info[
lbl] # adds the self.cfg metainfo dictionary items to self.attrs so they will be written to the svg document.
self.attrs['client-name'] = self.cfg[
'clientdata'].customername # Add customername to self.attrs so it can be written to the svg document.
# Writes border values to the svg document, in case they were adjusted in self.cfg[] in the design
self.attrs['margin-bottom'] = str(self.cfg['border'])
self.attrs['margin-left'] = str(self.cfg['border'])
self.attrs['margin-right'] = str(self.cfg['border'])
self.attrs['margin-top'] = str(self.cfg['border'])
# Add namespaces
if 'noinkscape' not in self.cfg:
self.attrs[
'xmlns:inkscape'] = 'http://www.inkscape.org/namespaces/inkscape'
# Add attributes - TODO probably put these in a dictionary as
# part of the document class
if self.attrs:
for attr, value in self.attrs.items():
svg_base.setAttribute(attr, value)
svg_base.setAttribute(
'xmlns:sodipodi',
'http://inkscape.sourceforge.net/DTD/sodipodi-0.dtd')
# //svg:svg/sodipodi:namedspace/inkscape:document-units
svg_base.appendTextContent("""<sodipodi:namedview
id="base"
pagecolor="#ffffff"
bordercolor="#666666"
borderopacity="1.0"
inkscape:pageopacity="0.0"
inkscape:pageshadow="2"
inkscape:zoom="0.5"
inkscape:document-units="pt"
showgrid="false"
inkscape:window-maximized="1" />\n""")
# If any markers used, add marker definitions to the svg document so they can be referenced within the svg document
# two types of markers -- plain is a string, dictionary has more than one marker
# each marker has a start & end, with optional mid
if len(self.markers):
pdefs = PYB.defs() # Create pysvg builder defs class object
for mname in self.markers:
#print 'Adding marker %s' % mname
if type(self.markerdefs[mname]) is str:
# this is just a plain marker, append it
pdefs.appendTextContent(
self.markerdefs[mname]) # append marker def to pdfs[]
elif type(self.markerdefs[mname]) is dict:
# contains a dict of marks
for submrk in self.markerdefs[
mname]: # append each marker in the marker dictionary to pdefs[]
# always has start and end, may also have mid
pdefs.appendTextContent(self.markerdefs[mname][submrk])
else:
print mname, 'marker is an unexpected type ***************'
svg_base.addElement(pdefs) # write pdefs to pysvg base object
# Recursively get everything to draw. svgdict[] will contain everything that will be written to the svg document.
svgdict = self.getsvg()
# Add/modify the transform so that the whole pattern piece originates at 0,0 and is offset by border
xlo, ylo, xhi, yhi = self.boundingBox()
xtrans = (-1.0 * xlo) + self.cfg['border']
ytrans = (-1.0 * ylo) + self.cfg['border']
fixuptransform = ('translate(%f,%f)' % (xtrans, ytrans))
# -spc- TODO This is clearly wrong - it sizes the document to the pattern and ignores paper size
xsize = (xhi - xlo) + (2.0 * self.cfg['border']) + SEAM_ALLOWANCE
ysize = (yhi - ylo) + (2.0 * self.cfg['border']) + SEAM_ALLOWANCE
svg_base.set_height(ysize)
svg_base.set_width(xsize)
#print 'document height = ', ysize
#print 'document width = ', xsize
for dictname, dictelements in svgdict.items():
if self.debug:
print 'processing group %s for output' % dictname
if dictname not in self.displayed_groups:
if self.debug:
print 'Group %s is not enabled for display' % dictname
continue
svg_group = PYB.g()
self.groups[dictname] = svg_group
# Set the ID to the group name
svg_group.set_id(dictname)
# set the transform in each group
svg_group.setAttribute('transform', fixuptransform)
if 'noinkscape' not in self.cfg:
# add inkscape layer attributes
svg_group.setAttribute('inkscape:groupmode', 'layer')
svg_group.setAttribute('inkscape:label',
('Label-%s' % dictname))
# Now add all the elements to it
for svgel in dictelements:
svg_group.addElement(svgel)
# Now add the top level group to the document
svg_base.addElement(svg_group)
# Write out the svg file
svg_base.save(self.filename)
return
MAXWIDTH = 3
#values = [20000., 24800., 30000.]
values = map(float, [20000, 32000, 35000, 40000])
colors = { 20000. : hsl2rgb(60,50,55),
28000. : hsl2rgb(120,50,50),
29000. : hsl2rgb(180,50,50)}
gm = grad_mag(png_to_ndarray(dataset.fname), dataset.aspect)
gm_scale = 1. / gm.max()
def f(line, val, (i,j)):
width = gm[i:i+2,j:j+2].sum() * gm_scale / 4 * MAXWIDTH
color = hsl2rgb(60 if val < 30000 else 240, width * 100/MAXWIDTH, 50)
return make_line(line, color=color, width=width)
#return make_line(line, color=colors[val], width=0 + gm[i:i+2,j:j+2].sum()**2 * gm_scale)
if not os.path.exists(saveas): os.mkdir(saveas)
svg = builders.svg('feeth-lines')
for line in param_isocontours(dataset, values, f):
svg.addElement(line)
svg.save(saveas + 'feeth-lines.svg')
def part2e(dataset=images.tooth, values=None, saveas="output/part2e/"):
#values = list(np.hstack((np.linspace(0,5000,num=3), np.array([15000]), np.linspace(38000,42000, num=1), np.linspace(60000,63000,num=2))))
values = map(float, [15000, 38000, 42000, 60000]) # 42000,
WHITE = hsl2rgb(0, 0, 100)
YELLOW = hsl2rgb(60, 75, 70)
RED = hsl2rgb(0,50,50)
def f(line, val, (i,j)):
return make_line(line, color=WHITE if val > 45000 else YELLOW if val > 20000 else RED, width=2 if val != 42000 else 1)
if not os.path.exists(saveas): os.mkdir(saveas)
Image.fromarray(np.zeros((161,94), dtype='int32'), mode='I').save(saveas + 'solid-bg.png')