def to_opengl(self, color=None, show_directions=False):
if not GL_enabled:
return
if color is not None:
GL.glColor4f(*color)
GL.glBegin(GL.GL_TRIANGLES)
# use normals to improve lighting (contributed by imyrek)
normal_t = self.normal
GL.glNormal3f(normal_t[0], normal_t[1], normal_t[2])
# The triangle's points are in clockwise order, but GL expects
# counter-clockwise sorting.
GL.glVertex3f(self.p1[0], self.p1[1], self.p1[2])
GL.glVertex3f(self.p3[0], self.p3[1], self.p3[2])
GL.glVertex3f(self.p2[0], self.p2[1], self.p2[2])
GL.glEnd()
if show_directions:
# display surface normals
n = self.normal
c = self.center
d = 0.5
GL.glBegin(GL.GL_LINES)
GL.glVertex3f(c[0], c[1], c[2])
GL.glVertex3f(c[0] + n[0] * d, c[1] + n[1] * d, c[2] + n[2] * d)
GL.glEnd()
if False:
# display bounding sphere
GL.glPushMatrix()
middle = self.middle
GL.glTranslate(middle[0], middle[1], middle[2])
if not hasattr(self, "_sphere"):
self._sphere = GLU.gluNewQuadric()
GLU.gluSphere(self._sphere, self.radius, 10, 10)
GL.glPopMatrix()
if pycam.Utils.log.is_debug():
# draw triangle id on triangle face
GL.glPushMatrix()
c = self.center
GL.glTranslate(c[0], c[1], c[2])
p12 = pmul(padd(self.p1, self.p2), 0.5)
p3_12 = pnormalized(psub(self.p3, p12))
p2_1 = pnormalized(psub(self.p1, self.p2))
pn = pcross(p2_1, p3_12)
GL.glMultMatrixf((p2_1[0], p2_1[1], p2_1[2], 0, p3_12[0], p3_12[1],
p3_12[2], 0, pn[0], pn[1], pn[2], 0, 0, 0, 0, 1))
n = pmul(self.normal, 0.01)
GL.glTranslatef(n[0], n[1], n[2])
maxdim = max((self.maxx - self.minx), (self.maxy - self.miny),
(self.maxz - self.minz))
factor = 0.001
GL.glScalef(factor * maxdim, factor * maxdim, factor * maxdim)
w = 0
id_string = "%s." % str(self.id)
for ch in id_string:
w += GLUT.glutStrokeWidth(GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w / 2, 0, 0)
for ch in id_string:
GLUT.glutStrokeCharacter(GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
if False:
# draw point id on triangle face
c = self.center
p12 = pmul(padd(self.p1, self.p2), 0.5)
p3_12 = pnormalized(psub(self.p3, p12))
p2_1 = pnormalized(psub(self.p1, self.p2))
pn = pcross(p2_1, p3_12)
n = pmul(self.normal, 0.01)
for p in (self.p1, self.p2, self.p3):
GL.glPushMatrix()
pp = psub(p, pmul(psub(p, c), 0.3))
GL.glTranslate(pp[0], pp[1], pp[2])
GL.glMultMatrixf(
(p2_1[0], p2_1[1], p2_1[2], 0, p3_12[0], p3_12[1],
p3_12[2], 0, pn[0], pn[1], pn[2], 0, 0, 0, 0, 1))
GL.glTranslatef(n[0], n[1], n[2])
GL.glScalef(0.001, 0.001, 0.001)
w = 0
for ch in str(p.id):
w += GLUT.glutStrokeWidth(GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w / 2, 0, 0)
for ch in str(p.id):
GLUT.glutStrokeCharacter(GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
def text2D(text,
pos,
fontSize,
displaySize,
angle=None,
fixedWidth=False,
calcSize=False):
"""Renders a 2D string using ``glutStrokeCharacter``.
:arg text: The text to render. Only ASCII characters 32-127 (and
newlines) are supported.
:arg pos: 2D text position in pixels.
:arg fontSize: Font size in pixels
:arg displaySize: ``(width, height)`` of the canvas in pixels.
:arg angle: Angle (in degrees) by which to rotate the text.
:arg fixedWidth: If ``True``, a fixed-width font is used. Otherwise a
variable-width font is used.
:arg calcSize: If ``True``, the text is not rendered. Instead, the
size of the text, in pixels, is calculated and returned
(before any rotation by the ``angle``).
"""
if fixedWidth: font = glut.GLUT_STROKE_MONO_ROMAN
else: font = glut.GLUT_STROKE_ROMAN
pos = list(pos)
width, height = displaySize
# The glut characters have a default
# height (in display coordinates) of
# 152.38. Scale this to the requested
# pixel font size.
scale = fontSize / 152.38
# Get the current matrix mode,
# and restore it when we're done
mm = gl.glGetInteger(gl.GL_MATRIX_MODE)
# Set up an ortho view where the
# display coordinates correspond
# to the canvas pixel coordinates.
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPushMatrix()
gl.glLoadIdentity()
gl.glOrtho(0, width, 0, height, -1, 1)
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glPushMatrix()
gl.glLoadIdentity()
gl.glEnable(gl.GL_LINE_SMOOTH)
# Draw each line one at a time
width = 0
height = 0
lines = text.split('\n')
for i, line in enumerate(lines):
height += scale * 152.38
pos[1] -= scale * 152.38 * i
gl.glPushMatrix()
gl.glTranslatef(pos[0], pos[1], 0)
gl.glScalef(scale, scale, scale)
lineWidth = 0
for char in line:
# We either calculate the
# character size, or draw
# the character, but not
# both
if calcSize:
charWidth = glut.glutStrokeWidth(font, ord(char))
lineWidth += charWidth * (fontSize / 152.38)
else:
glut.glutStrokeCharacter(font, ord(char))
if lineWidth > width:
width = lineWidth
gl.glPopMatrix()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glPopMatrix()
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glPopMatrix()
gl.glMatrixMode(mm)
if calcSize: return width, height
else: return 0, 0
def to_OpenGL(self, color=None, show_directions=False):
if not GL_enabled:
return
if not color is None:
GL.glColor4f(*color)
GL.glBegin(GL.GL_TRIANGLES)
# use normals to improve lighting (contributed by imyrek)
normal_t = self.normal
GL.glNormal3f(normal_t.x, normal_t.y, normal_t.z)
# The triangle's points are in clockwise order, but GL expects
# counter-clockwise sorting.
GL.glVertex3f(self.p1.x, self.p1.y, self.p1.z)
GL.glVertex3f(self.p3.x, self.p3.y, self.p3.z)
GL.glVertex3f(self.p2.x, self.p2.y, self.p2.z)
GL.glEnd()
if show_directions: # display surface normals
n = self.normal
c = self.center
d = 0.5
GL.glBegin(GL.GL_LINES)
GL.glVertex3f(c.x, c.y, c.z)
GL.glVertex3f(c.x+n.x*d, c.y+n.y*d, c.z+n.z*d)
GL.glEnd()
if False: # display bounding sphere
GL.glPushMatrix()
middle = self.middle
GL.glTranslate(middle.x, middle.y, middle.z)
if not hasattr(self, "_sphere"):
self._sphere = GLU.gluNewQuadric()
GLU.gluSphere(self._sphere, self.radius, 10, 10)
GL.glPopMatrix()
if pycam.Utils.log.is_debug(): # draw triangle id on triangle face
GL.glPushMatrix()
c = self.center
GL.glTranslate(c.x, c.y, c.z)
p12 = self.p1.add(self.p2).mul(0.5)
p3_12 = self.p3.sub(p12).normalized()
p2_1 = self.p1.sub(self.p2).normalized()
pn = p2_1.cross(p3_12)
GL.glMultMatrixf((p2_1.x, p2_1.y, p2_1.z, 0, p3_12.x, p3_12.y,
p3_12.z, 0, pn.x, pn.y, pn.z, 0, 0, 0, 0, 1))
n = self.normal.mul(0.01)
GL.glTranslatef(n.x, n.y, n.z)
maxdim = max((self.maxx - self.minx), (self.maxy - self.miny),
(self.maxz - self.minz))
factor = 0.001
GL.glScalef(factor * maxdim, factor * maxdim, factor * maxdim)
w = 0
id_string = "%s." % str(self.id)
for ch in id_string:
w += GLUT.glutStrokeWidth(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w/2, 0, 0)
for ch in id_string:
GLUT.glutStrokeCharacter(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
if False: # draw point id on triangle face
c = self.center
p12 = self.p1.add(self.p2).mul(0.5)
p3_12 = self.p3.sub(p12).normalized()
p2_1 = self.p1.sub(self.p2).normalized()
pn = p2_1.cross(p3_12)
n = self.normal.mul(0.01)
for p in (self.p1, self.p2, self.p3):
GL.glPushMatrix()
pp = p.sub(p.sub(c).mul(0.3))
GL.glTranslate(pp.x, pp.y, pp.z)
GL.glMultMatrixf((p2_1.x, p2_1.y, p2_1.z, 0, p3_12.x, p3_12.y,
p3_12.z, 0, pn.x, pn.y, pn.z, 0, 0, 0, 0, 1))
GL.glTranslatef(n.x, n.y, n.z)
GL.glScalef(0.001, 0.001, 0.001)
w = 0
for ch in str(p.id):
w += GLUT.glutStrokeWidth(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w/2, 0, 0)
for ch in str(p.id):
GLUT.glutStrokeCharacter(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
def to_OpenGL(self, color=None, show_directions=False):
if not GL_enabled:
return
if not color is None:
GL.glColor4f(*color)
GL.glBegin(GL.GL_TRIANGLES)
# use normals to improve lighting (contributed by imyrek)
normal_t = self.normal
GL.glNormal3f(normal_t.x, normal_t.y, normal_t.z)
# The triangle's points are in clockwise order, but GL expects
# counter-clockwise sorting.
GL.glVertex3f(self.p1.x, self.p1.y, self.p1.z)
GL.glVertex3f(self.p3.x, self.p3.y, self.p3.z)
GL.glVertex3f(self.p2.x, self.p2.y, self.p2.z)
GL.glEnd()
if show_directions: # display surface normals
n = self.normal
c = self.center
d = 0.5
GL.glBegin(GL.GL_LINES)
GL.glVertex3f(c.x, c.y, c.z)
GL.glVertex3f(c.x + n.x * d, c.y + n.y * d, c.z + n.z * d)
GL.glEnd()
if False: # display bounding sphere
GL.glPushMatrix()
middle = self.middle
GL.glTranslate(middle.x, middle.y, middle.z)
if not hasattr(self, "_sphere"):
self._sphere = GLU.gluNewQuadric()
GLU.gluSphere(self._sphere, self.radius, 10, 10)
GL.glPopMatrix()
if pycam.Utils.log.is_debug(): # draw triangle id on triangle face
GL.glPushMatrix()
c = self.center
GL.glTranslate(c.x, c.y, c.z)
p12 = self.p1.add(self.p2).mul(0.5)
p3_12 = self.p3.sub(p12).normalized()
p2_1 = self.p1.sub(self.p2).normalized()
pn = p2_1.cross(p3_12)
GL.glMultMatrixf((p2_1.x, p2_1.y, p2_1.z, 0, p3_12.x, p3_12.y,
p3_12.z, 0, pn.x, pn.y, pn.z, 0, 0, 0, 0, 1))
n = self.normal.mul(0.01)
GL.glTranslatef(n.x, n.y, n.z)
maxdim = max((self.maxx - self.minx), (self.maxy - self.miny),
(self.maxz - self.minz))
factor = 0.001
GL.glScalef(factor * maxdim, factor * maxdim, factor * maxdim)
w = 0
id_string = "%s." % str(self.id)
for ch in id_string:
w += GLUT.glutStrokeWidth(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w / 2, 0, 0)
for ch in id_string:
GLUT.glutStrokeCharacter(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
if False: # draw point id on triangle face
c = self.center
p12 = self.p1.add(self.p2).mul(0.5)
p3_12 = self.p3.sub(p12).normalized()
p2_1 = self.p1.sub(self.p2).normalized()
pn = p2_1.cross(p3_12)
n = self.normal.mul(0.01)
for p in (self.p1, self.p2, self.p3):
GL.glPushMatrix()
pp = p.sub(p.sub(c).mul(0.3))
GL.glTranslate(pp.x, pp.y, pp.z)
GL.glMultMatrixf((p2_1.x, p2_1.y, p2_1.z, 0, p3_12.x, p3_12.y,
p3_12.z, 0, pn.x, pn.y, pn.z, 0, 0, 0, 0, 1))
GL.glTranslatef(n.x, n.y, n.z)
GL.glScalef(0.001, 0.001, 0.001)
w = 0
for ch in str(p.id):
w += GLUT.glutStrokeWidth(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w / 2, 0, 0)
for ch in str(p.id):
GLUT.glutStrokeCharacter(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
def to_OpenGL(self, color=None, show_directions=False):
if not GL_enabled:
return
if not color is None:
GL.glColor4f(*color)
GL.glBegin(GL.GL_TRIANGLES)
# use normals to improve lighting (contributed by imyrek)
normal_t = self.normal
GL.glNormal3f(normal_t[0], normal_t[1], normal_t[2])
# The triangle's points are in clockwise order, but GL expects
# counter-clockwise sorting.
GL.glVertex3f(self.p1[0], self.p1[1], self.p1[2])
GL.glVertex3f(self.p3[0], self.p3[1], self.p3[2])
GL.glVertex3f(self.p2[0], self.p2[1], self.p2[2])
GL.glEnd()
if show_directions: # display surface normals
n = self.normal
c = self.center
d = 0.5
GL.glBegin(GL.GL_LINES)
GL.glVertex3f(c[0], c[1], c[2])
GL.glVertex3f(c[0]+n[0]*d, c[1]+n[1]*d, c[2]+n[2]*d)
GL.glEnd()
if False: # display bounding sphere
GL.glPushMatrix()
middle = self.middle
GL.glTranslate(middle[0], middle[1], middle[2])
if not hasattr(self, "_sphere"):
self._sphere = GLU.gluNewQuadric()
GLU.gluSphere(self._sphere, self.radius, 10, 10)
GL.glPopMatrix()
if pycam.Utils.log.is_debug(): # draw triangle id on triangle face
GL.glPushMatrix()
c = self.center
GL.glTranslate(c[0], c[1], c[2])
p12 = pmul(padd(self.p1, self.p2), 0.5)
p3_12 = pnormalized(psub(self.p3, p12))
p2_1 = pnormalized(psub(self.p1, self.p2))
pn = pcross(p2_1, p3_12)
GL.glMultMatrixf((p2_1[0], p2_1[1], p2_1[2], 0, p3_12[0], p3_12[1],
p3_12[2], 0, pn[0], pn[1], pn[2], 0, 0, 0, 0, 1))
n = pmul(self.normal, 0.01)
GL.glTranslatef(n[0], n[1], n[2])
maxdim = max((self.maxx - self.minx), (self.maxy - self.miny),
(self.maxz - self.minz))
factor = 0.001
GL.glScalef(factor * maxdim, factor * maxdim, factor * maxdim)
w = 0
id_string = "%s." % str(self.id)
for ch in id_string:
w += GLUT.glutStrokeWidth(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w/2, 0, 0)
for ch in id_string:
GLUT.glutStrokeCharacter(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
if False: # draw point id on triangle face
c = self.center
p12 = pmul(padd(self.p1, self.p2), 0.5)
p3_12 = pnormalized(psub(self.p3, p12))
p2_1 = pnormalized(psub(self.p1, self.p2))
pn = pcross(p2_1, p3_12)
n = pmul(self.normal, 0.01)
for p in (self.p1, self.p2, self.p3):
GL.glPushMatrix()
pp = psub(p, pmul(psub(p, c), 0.3))
GL.glTranslate(pp[0], pp[1], pp[2])
GL.glMultMatrixf((p2_1[0], p2_1[1], p2_1[2], 0, p3_12[0], p3_12[1],
p3_12[2], 0, pn[0], pn[1], pn[2], 0, 0, 0, 0, 1))
GL.glTranslatef(n[0], n[1], n[2])
GL.glScalef(0.001, 0.001, 0.001)
w = 0
for ch in str(p.id):
w += GLUT.glutStrokeWidth(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glTranslate(-w/2, 0, 0)
for ch in str(p.id):
GLUT.glutStrokeCharacter(GLUT.GLUT_STROKE_ROMAN, ord(ch))
GL.glPopMatrix()
