def fit(self, max_size):
"""
Set the display transformation parameters to fit in a box of max_size.
Search angles in a range of 180 degrees.
This function sets a new scale, a new rotation, and a new translation.
"""
self.scale = 1
self.theta = 0
self.center = (0, 0)
sf_theta_pairs = []
increment_count = 60
for i in range(increment_count):
self.theta = i * math.pi / increment_count
xmin, ymin, xmax, ymax = self.get_extents()
cx = xmax - xmin
cy = ymax - ymin
if cx == 0:
cx = cy / 100
if cy == 0:
cy = cx / 100
current_size = (cx, cy)
sf = layout.get_scaling_factor(current_size, max_size)
sf_theta_pairs.append((sf, self.theta))
self.scale, self.theta = max(sf_theta_pairs)
xmin, ymin, xmax, ymax = self.get_extents()
self.center = ((xmin + xmax) / 2.0, (ymin + ymax) / 2.0)
def fit(self, max_size):
"""
Set the display transformation parameters to fit in a box of max_size.
Search angles in a range of 180 degrees.
This function sets a new scale, a new rotation, and a new translation.
"""
self.scale = 1
self.theta = 0
self.center = (0, 0)
sf_theta_pairs = []
increment_count = 60
for i in range(increment_count):
self.theta = i * math.pi / increment_count
xmin, ymin, xmax, ymax = self.get_extents()
cx = xmax - xmin
cy = ymax - ymin
if cx == 0:
cx = cy / 100
if cy == 0:
cy = cx / 100
current_size = (cx, cy)
sf = layout.get_scaling_factor(current_size, max_size)
sf_theta_pairs.append((sf, self.theta))
self.scale, self.theta = max(sf_theta_pairs)
xmin, ymin, xmax, ymax = self.get_extents()
self.center = ((xmin + xmax) / 2.0, (ymin + ymax) / 2.0)
def get_response_content(fs):
"""
@param fs: a FieldStorage object containing the cgi arguments
@return: the response
"""
# get a properly formatted newick tree with branch lengths
T, B, N = FtreeIO.newick_to_TBN(fs.tree)
# get the vertex valuations
reflect = False
all_valuations = TB_to_harmonic_valuations(T, B, reflect)
fiedler_valuations = all_valuations[1]
# do the layout
v_to_location = FtreeAux.equal_daylight_layout(T, B, 3)
# get the vertex list and the initial vertex locations
vertices = Ftree.T_to_leaves(T) + Ftree.T_to_internal_vertices(T)
X_in = np.array([tuple(v_to_location[v]) for v in vertices])
# fit the tree to the physical size
physical_size = (fs.width, fs.height)
theta = layout.get_best_angle(X_in, physical_size)
X = layout.rotate_2d_centroid(X_in, theta)
sz = layout.get_axis_aligned_size(X)
sf = layout.get_scaling_factor(sz, physical_size)
X *= sf
# get the map from id to location for the final tree layout
v_to_location = dict((v, tuple(r)) for v, r in zip(vertices, X))
# draw the image
context = TikzContext()
draw_plain_branches_ftree(T, B, context, v_to_location)
draw_ticks_ftree(T, B, context, fiedler_valuations, v_to_location)
draw_labels_ftree(T, N, context, v_to_location)
context.finish()
# get the response
tikzpicture = context.get_text()
return tikz.get_response(tikzpicture, fs.tikzformat)
def get_response_content(fs):
"""
@param fs: a FieldStorage object containing the cgi arguments
@return: the response
"""
# get a properly formatted newick tree with branch lengths
T, B, N = FtreeIO.newick_to_TBN(fs.tree)
# get the vertex valuations
reflect = False
all_valuations = TB_to_harmonic_valuations(T, B, reflect)
fiedler_valuations = all_valuations[1]
# do the layout
v_to_location = FtreeAux.equal_daylight_layout(T, B, 3)
# get the vertex list and the initial vertex locations
vertices = Ftree.T_to_leaves(T) + Ftree.T_to_internal_vertices(T)
X_in = np.array([tuple(v_to_location[v]) for v in vertices])
# fit the tree to the physical size
physical_size = (fs.width, fs.height)
theta = layout.get_best_angle(X_in, physical_size)
X = layout.rotate_2d_centroid(X_in, theta)
sz = layout.get_axis_aligned_size(X)
sf = layout.get_scaling_factor(sz, physical_size)
X *= sf
# get the map from id to location for the final tree layout
v_to_location = dict((v, tuple(r)) for v, r in zip(vertices, X))
# draw the image
context = TikzContext()
draw_plain_branches_ftree(T, B, context, v_to_location)
draw_ticks_ftree(T, B, context, fiedler_valuations, v_to_location)
draw_labels_ftree(T, N, context, v_to_location)
context.finish()
# get the response
tikzpicture = context.get_text()
return tikz.get_response(tikzpicture, fs.tikzformat)
