slice_data.py
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#--------------------------------------------------------------------------
# Software: InVesalius - Software de Reconstrucao 3D de Imagens Medicas
# Copyright: (C) 2001 Centro de Pesquisas Renato Archer
# Homepage: http://www.softwarepublico.gov.br
# Contact: invesalius@cti.gov.br
# License: GNU - GPL 2 (LICENSE.txt/LICENCA.txt)
#--------------------------------------------------------------------------
# Este programa e software livre; voce pode redistribui-lo e/ou
# modifica-lo sob os termos da Licenca Publica Geral GNU, conforme
# publicada pela Free Software Foundation; de acordo com a versao 2
# da Licenca.
#
# Este programa eh distribuido na expectativa de ser util, mas SEM
# QUALQUER GARANTIA; sem mesmo a garantia implicita de
# COMERCIALIZACAO ou de ADEQUACAO A QUALQUER PROPOSITO EM
# PARTICULAR. Consulte a Licenca Publica Geral GNU para obter mais
# detalhes.
#--------------------------------------------------------------------------
import vtk
import wx
import invesalius.constants as const
import invesalius.data.vtk_utils as vu
BORDER_UP = 1
BORDER_DOWN = 2
BORDER_LEFT = 4
BORDER_RIGHT = 8
BORDER_ALL = BORDER_UP | BORDER_DOWN | BORDER_LEFT | BORDER_RIGHT
BORDER_NONE = 0
class SliceData(object):
def __init__(self):
self.actor = None
self.cursor = None
self.text = None
self.number = 0
self.orientation = 'AXIAL'
self.renderer = None
self.canvas_renderer = None
self.overlay_renderer = None
self.__create_text()
self.__create_box()
def __create_text(self):
colour = const.ORIENTATION_COLOUR[self.orientation]
text = vu.TextZero()
text.SetColour(colour)
text.SetSize(const.TEXT_SIZE_LARGE)
text.SetPosition(const.TEXT_POS_LEFT_DOWN_ZERO)
text.SetSymbolicSize(wx.FONTSIZE_LARGE)
#text.SetVerticalJustificationToBottom()
text.SetValue(self.number)
self.text = text
def __create_line_actor(self, line):
line_mapper = vtk.vtkPolyDataMapper2D()
line_mapper.SetInputConnection(line.GetOutputPort())
line_actor = vtk.vtkActor2D()
line_actor.SetMapper(line_mapper)
return line_actor
def __create_box(self):
xi = yi = 0.1
xf = yf = 200
line_i = vtk.vtkLineSource()
line_i.SetPoint1((xi, yi, 0))
line_i.SetPoint2((xf, yi, 0))
self.line_i = line_i
self.line_i_actor = self.__create_line_actor(line_i)
line_s = vtk.vtkLineSource()
line_s.SetPoint1((xi, yf, 0))
line_s.SetPoint2((xf, yf, 0))
self.line_s = line_s
self.line_s_actor = self.__create_line_actor(line_s)
line_l = vtk.vtkLineSource()
line_l.SetPoint1((xi, yi, 0))
line_l.SetPoint2((xi, yf, 0))
self.line_l = line_l
self.line_l_actor = self.__create_line_actor(line_l)
line_r = vtk.vtkLineSource()
line_r.SetPoint1((xf, yi, 0))
line_r.SetPoint2((xf, yf, 0))
self.line_r = line_r
self.line_r_actor = self.__create_line_actor(line_r)
box_actor = vtk.vtkPropAssembly()
box_actor.AddPart(self.line_i_actor)
box_actor.AddPart(self.line_s_actor)
box_actor.AddPart(self.line_l_actor)
box_actor.AddPart(self.line_r_actor)
self.box_actor = box_actor
def __set_border_colours(self, colours_borders):
for colour, actors in colours_borders.items():
for actor in actors:
actor.GetProperty().SetColor(colour)
def SetBorderStyle(self, style=BORDER_NONE):
colour_e = const.ORIENTATION_COLOUR[self.orientation]
colour_i = (1, 1, 1)
extern_borders = []
intern_borders = []
if style & BORDER_UP:
extern_borders.append(self.line_s_actor)
else:
intern_borders.append(self.line_s_actor)
if style & BORDER_DOWN:
extern_borders.append(self.line_i_actor)
else:
intern_borders.append(self.line_i_actor)
if style & BORDER_LEFT:
extern_borders.append(self.line_l_actor)
else:
intern_borders.append(self.line_l_actor)
if style & BORDER_RIGHT:
extern_borders.append(self.line_r_actor)
else:
intern_borders.append(self.line_r_actor)
self.__set_border_colours({colour_i: intern_borders,
colour_e: extern_borders})
def SetCursor(self, cursor):
if self.cursor:
self.overlay_renderer.RemoveActor(self.cursor.actor)
self.overlay_renderer.AddActor(cursor.actor)
self.cursor = cursor
def SetNumber(self, init, end=None):
if end is None:
self.number = init
self.text.SetValue("%d" % self.number)
else:
self.number = init
self.text.SetValue("%d - %d" % (init, end))
self.text.SetPosition(const.TEXT_POS_LEFT_DOWN_ZERO)
def SetOrientation(self, orientation):
self.orientation = orientation
colour = const.ORIENTATION_COLOUR[self.orientation]
self.text.SetColour(colour)
#self.box_actor.GetProperty().SetColor(colour)
def SetSize(self, size):
w, h = size
xi = yi = 0.1
xf = w - 0.1
yf = h - 0.1
self.line_i.SetPoint1((xi, yi, 0))
self.line_i.SetPoint2((xf, yi, 0))
self.line_s.SetPoint1((xi, yf, 0))
self.line_s.SetPoint2((xf, yf, 0))
self.line_l.SetPoint1((xi, yi, 0))
self.line_l.SetPoint2((xi, yf, 0))
self.line_r.SetPoint1((xf, yi, 0))
self.line_r.SetPoint2((xf, yf, 0))
def Hide(self):
self.overlay_renderer.RemoveActor(self.actor)
self.renderer.RemoveActor(self.text.actor)
def Show(self):
self.renderer.AddActor(self.actor)
self.renderer.AddActor(self.text.actor)