def InputAngleWithPlane(angle, axis, pos, ncopies, axial_shift, title):
axis_type = 0 # not one of the three
if axis == geom.Point3D(0, 0, 1): axis_type = 1
elif axis == geom.Point3D(0, -1, 0): axis_type = 2
elif axis == geom.Point3D(1, 0, 0): axis_type = 3
while (True):
dlg = AngleAndPlaneDlg(angle, axis, axis_type, pos, ncopies,
axial_shift, title)
ret = dlg.ShowModal()
angle, axis, axis_type, pos, ncopies, axial_shift = dlg.GetAllValues()
if ret == wx.ID_OK:
return True, angle, axis, pos, ncopies, axial_shift
elif ret == dlg.rbXy.GetId():
continue
elif ret == dlg.rbXz.GetId():
continue
elif ret == dlg.rbYz.GetId():
continue
elif ret == dlg.rbOther.GetId():
continue
elif ret == dlg.btnPick.GetId():
p = wx.GetApp().PickPosition("Pick Position To Rotate About")
if p != None: pos = p
elif ret == dlg.btnVectorPick.GetId():
p = wx.GetApp().PickPosition("Pick Position On Rotation Axis")
if p != None:
v = p - pos
if v.Length() < 0.01:
wx.MessageBox('Axis Point Too Close to Position')
else:
axis = v.Normalized()
else:
return False, None, None, None, None, None
def GetTwoAxes(self, flattened_onto_screen, plane):
plane_mode = self.ChooseBestPlane(plane)
orimat = self.viewport.cad.GetDrawMatrix(False)
if plane_mode == 0:
vx = geom.Point3D(1, 0, 0).Transformed(orimat)
vy = geom.Point3D(0, 1, 0).Transformed(orimat)
elif plane_mode == 1:
vx = geom.Point3D(1, 0, 0).Transformed(orimat)
vy = geom.Point3D(0, 0, 1).Transformed(orimat)
elif plane_mode == 2:
vx = geom.Point3D(0, 1, 0).Transformed(orimat)
vy = geom.Point3D(0, 0, 1).Transformed(orimat)
# find closest between vx and vy to screen y
dpx = vx * self.vertical
dpy = vy * self.vertical
if math.fabs(dpx) > math.fabs(dpy):
vtemp = geom.Point3D(vx.x, vx.y, vx.z)
vx = vy
vy = vtemp
# make sure vz is towards us
if (vx ^ vy ) * self.forwards_vector() > 0:
vx = -vx
if flattened_onto_screen:
f = self.forwards_vector().Normalized()
vx = geom.Point3D(vx - (f * (f * vx))).Normalized()
vy = geom.Point3D(vy - (f * (f * vy))).Normalized()
r = rightwards_vector()
if math.fabs(vy * r) > math.fabs(vx * r):
vtemp = geom.Point3D(vx.x, vx.y, vx.z)
vx = vy
vy = vtemp
return vx, vy, plane_mode
def InputMirrorPlane(axis, pos, copy, title):
axis_type = 0 # not one of the three
if axis == geom.Point3D(1, 0, 0): axis_type = 1
elif axis == geom.Point3D(0, 1, 0): axis_type = 2
elif axis == geom.Point3D(0, 0, 1): axis_type = 3
while (True):
dlg = MirrorDlg(axis, pos, axis_type, copy, title)
ret = dlg.ShowModal()
axis, pos, axis_type, copy = dlg.GetAllValues()
if ret == wx.ID_OK:
return True, axis, pos, copy
elif ret == dlg.rbH.GetId():
continue
elif ret == dlg.rbV.GetId():
continue
elif ret == dlg.rbZ.GetId():
continue
elif ret == dlg.rbOther.GetId():
continue
elif ret == dlg.btnPick.GetId():
p = wx.GetApp().PickPosition("Pick Position To Mirror About")
if p != None: pos = p
elif (dlg.btnVectorPick != None) and (ret
== dlg.btnVectorPick.GetId()):
p = wx.GetApp().PickPosition("Pick Position On Mirror Axis")
if p != None:
v = p - pos
if v.Length() < 0.01:
wx.MessageBox('Axis Point Too Close to Position')
else:
axis = v.Normalized()
else:
return False, None, None, None
def OnGlCommands(self, select, marked, no_color):
if self.texture_number == None:
image = wx.Image(self.filepath)
if not image.IsOk():
self.texture_number = 0
return
self.width = image.GetWidth()
self.height = image.GetHeight()
if self.bottom_left == None:
self.bottom_left = geom.Point3D(0, 0, 0)
self.bottom_right = geom.Point3D(self.width, 0, 0)
self.top_right = geom.Point3D(self.width, self.height, 0)
self.top_left = geom.Point3D(0, self.height, 0)
self.texture_number, self.textureWidth = cad.GenTexture(
image.GetData(), None, self.width, self.height,
image.HasAlpha())
if self.texture_number == 0:
return
if self.bottom_left != None:
cad.DrawImageQuads(self.width, self.height, self.textureWidth,
self.texture_number, self.bottom_left,
self.bottom_right, self.top_right,
self.top_left, self.opacity, no_color, marked)
def GetAllValues(self):
angle = self.angle_ctrl.GetValue()
if self.rbXy.GetValue():
axis = geom.Point3D(0, 0, 1)
axis_type = 1
elif self.rbXz.GetValue():
axis = geom.Point3D(0, -1, 0)
axis_type = 2
elif self.rbYz.GetValue():
axis = geom.Point3D(1, 0, 0)
axis_type = 3
else:
if self.vectorx == None:
axis = self.axis
else:
axis = geom.Point3D(self.vectorx.GetValue(),
self.vectory.GetValue(),
self.vectorz.GetValue())
axis_type = 0
pos = geom.Point3D(self.posx.GetValue(), self.posy.GetValue(),
self.posz.GetValue())
ncopies = None
if self.ncopies:
ncopies = int(self.txt_num_copies.GetValue())
axial_shift = self.axial_shift_ctrl.GetValue()
return angle, axis, axis_type, pos, ncopies, axial_shift
def AddPoint(self, d):
if (self.drawing_mode == LineDrawingMode) or (self.drawing_mode
== ArcDrawingMode):
# edit the end of the previous item to be the start of the arc
# this only happens if we are drawing tangents to other objects
# really need to fill the gap with whatever we are tangent around
# ellipse,arc,spline or whatever
if (self.TempObject() != None) and (self.prev_object != None):
if (self.prev_object != None):
spos = self.TempObject().GetStartPoint()
epos = self.prev_object.GetEndPoint()
tanobject = self.start_pos.GetObject1()
if self.start_pos.type == cad.DigitizeType.DIGITIZE_TANGENT_TYPE and (
tanobject != None):
if tanobject.GetType() == cad.OBJECT_TYPE_SKETCH_LINE:
#((HLine*)prev_object)->B = p;
pass
elif tanobject.GetType() == cad.OBJECT_TYPE_SKETCH_ARC:
tanobject.A = geom.Point3D(spos)
tanobject.B = geom.Point3D(epos)
self.AddToTempObjects(tanobject)
elif tanobject.GetType() == cad.OBJECT_TYPE_CIRCLE:
arc = cad.NewArc(spos, epos, tanobject.axis,
tanobject.C)
arc.A = geom.Point3D(spos)
arc.B = geom.Point3D(epos)
self.AddToTempObjects(arc)
Drawing.AddPoint(self, d)
def __init__(self, sketch=0):
SketchOp.__init__(self, sketch)
self.tool_on_side = PROFILE_LEFT_OR_OUTSIDE
self.cut_mode = PROFILE_CLIMB
self.auto_roll_radius = 2.0
self.auto_roll_on = True
self.auto_roll_off = True
self.roll_on_point = geom.Point3D(0, 0, 0)
self.roll_off_point = geom.Point3D(0, 0, 0)
self.start_given = False
self.end_given = False
self.start = geom.Point3D(0, 0, 0)
self.end = geom.Point3D(0, 0, 0)
self.sort_sketches = True
self.tags = None
self.offset_extra = 0.0
self.do_finishing_pass = False
self.only_finishing_pass = False
self.finishing_h_feed_rate = 100.0
self.finishing_cut_mode = PROFILE_CONVENTIONAL
self.finishing_step_down = 1.0
self.end_beyond_full_profile = False
self.extend_at_start = 0.0
self.extend_at_end = 0.0
self.lead_in_line_len = 0.0
self.lead_out_line_len = 0.0
def CopyFrom(self, o):
self.filepath = o.filepath
self.bottom_left = geom.Point3D(o.bottom_left)
self.bottom_right = geom.Point3D(o.bottom_right)
self.top_right = geom.Point3D(o.top_right)
self.top_left = geom.Point3D(o.top_left)
self.opacity = o.opacity
Object.CopyFrom(self, o)
def AddTriangleToSketch(x0, y0, z0, x1, y1, z1, x2, y2, z2):
p0 = geom.Point3D(x0, y0, z0)
p1 = geom.Point3D(x1, y1, z1)
p2 = geom.Point3D(x2, y2, z2)
if p0 == p1:
return
if p1 == p2:
return
if p2 == p0:
return
stl_to_add_to.Add(p0, p1, p2)
def Mirror():
if cad.GetNumSelected() == 0:
wx.GetApp().PickObjects('Pick objects to mirror')
if cad.GetNumSelected() == 0:
return
config = HeeksConfig()
selected_items = cad.GetSelectedObjects()
cad.ClearSelection(False)
copy = config.ReadBool("MirrorCopy", False)
axis = geom.Point3D(0, 0, 1)
pos = geom.Point3D(0, 0, 0)
axis.x = config.ReadFloat("MirrorAxisX", 1.0)
axis.y = config.ReadFloat("MirrorAxisY", 0.0)
axis.z = config.ReadFloat("MirrorAxisZ", 0.0)
pos.x = config.ReadFloat("MirrorPosX", 0.0)
pos.y = config.ReadFloat("MirrorPosY", 0.0)
pos.z = config.ReadFloat("MirrorPosZ", 0.0)
result, axis, pos, copy = InputMirrorPlane(axis, pos, copy, 'Mirror')
if not result:
return
config.WriteBool("MirrorCopy", copy)
config.WriteFloat("MirrorAxisX", axis.x)
config.WriteFloat("MirrorAxisY", axis.y)
config.WriteFloat("MirrorAxisZ", axis.z)
config.WriteFloat("MirrorPosX", pos.x)
config.WriteFloat("MirrorPosY", pos.y)
config.WriteFloat("MirrorPosZ", pos.z)
cad.StartHistory()
mat = geom.Matrix()
x, y = axis.ArbitraryAxes()
axis_mat = geom.Matrix(pos, x, y)
inv_mat = axis_mat.Inverse()
mat.Multiply(inv_mat) # transform so axis goes to z axis
mat.Scale3(1.0, 1.0, -1.0) # mirror in z axis
mat.Multiply(axis_mat) # transform back to where it was
for object in selected_items:
if copy:
if object.CanBeCopied():
object = object.MakeACopy()
object.Transform(mat)
cad.AddUndoably(object)
else:
cad.TransformUndoably(object, mat)
cad.EndHistory()
def OnGlCommands(self, select, marked, no_color):
if marked and not select:
tool = Tool.FindTool(self.tool_number)
if tool == None:
return
radius = tool.CuttingRadius(True)
global circle_sketch
global arc1
global arc2
# get 3d position from the point objects, sorted by distance from camera
forwards = wx.GetApp(
).frame.graphics_canvas.viewport.view_point.Forwards()
lens_point = wx.GetApp(
).frame.graphics_canvas.viewport.view_point.lens_point
posns = []
for point in self.points:
object = cad.GetObjectFromId(cad.OBJECT_TYPE_POINT, point)
if object == None:
continue
pos = object.GetStartPoint()
dotp = (lens_point - pos) * forwards
posns.append(DotpAndPos(dotp, pos))
posns = sorted(posns)
for dotp_and_pos in posns:
pos = dotp_and_pos.pos
p0 = pos + geom.Point3D(-radius, 0, 0)
p1 = pos + geom.Point3D(radius, 0, 0)
if circle_sketch == None:
circle_sketch = cad.NewSketch()
arc1 = cad.NewArc(p0, p1, geom.Point3D(0, 0, 1), pos)
arc2 = cad.NewArc(p1, p0, geom.Point3D(0, 0, 1), pos)
circle_sketch.Add(arc1)
circle_sketch.Add(arc2)
else:
arc1.SetStartPoint(p0)
arc1.SetEndPoint(p1)
arc1.SetCentrePoint(pos)
arc2.SetStartPoint(p1)
arc2.SetEndPoint(p0)
arc2.SetCentrePoint(pos)
cad.Material(cad.Color(255, 255, 0)).glMaterial(1.0)
cad.DrawEnableLighting()
cad.DrawDisableDepthTesting()
cad.DrawEnableCullFace()
cad.Sketch.RenderAsExtrusion(circle_sketch, self.start_depth,
self.final_depth)
cad.DrawDisableCullFace()
cad.DrawEnableDepthTesting()
cad.DrawDisableLighting()
def add_arc(self, x, y, z, i, j, k, r = None, d = None):
arc = cam.NewPathArc()
arc.c = geom.Point3D(self.oldp)
if i != None: arc.c.x = float(i) - self.oldp.x
if j != None: arc.c.y = float(j) - self.oldp.y
if k != None: arc.c.z = float(k) - self.oldp.z
if x != None: self.oldp.x = float(x)
if y != None: self.oldp.y = float(y)
if z != None: self.oldp.z = float(z)
arc.point = geom.Point3D(self.oldp)
if r != None: arc.radius = float(r)
if d != None: arc.dir = int(d)
self.current_path.AddPathObject(arc)
def GetMatrices(self, matrices):
m2 = geom.Matrix()
shift_m2 = geom.Matrix()
shift_m2.Translate(geom.Point3D(self.x_shift2, self.y_shift2, 0.0))
shift_m1 = geom.Matrix()
shift_m1.Translate(geom.Point3D(self.x_shift1, self.y_shift1, 0.0))
for j in range(0, self.copies2):
m = geom.Matrix(m2)
for i in range(0, self.copies1):
matrices.append(m)
m = m * shift_m1
m2 = m2 * shift_m2
def GetTmFromCurve(curve):
if curve == None:
return
ps = GetMinXPoint(curve)
pe = GetMaxXPoint(curve)
vx = pe - ps
vx.Normalize()
vy = ~vx
o = geom.Point3D(ps.x, ps.y, 0.0)
vvx = geom.Point3D(vx.x, vx.y, 0.0)
vvy = geom.Point3D(vy.x, vy.y, 0.0)
tm = geom.Matrix(o, vvx, vvy)
return tm.Inverse()
def CalculatePolygon(self, p0, p1, zdir):
if p0 == p1:
return
if self.TempObject() == None:
return
if self.TempObject().GetNumChildren() != self.number_of_side_for_polygon:
self.ClearSketch()
lines = []
if self.TempObject().GetNumChildren() > 0:
object = self.TempObject().GetFirstChild()
for i in range(0, self.number_of_side_for_polygon):
lines.append(object)
object = self.TempObject().GetNextChild()
else:
for i in range(0, self.number_of_side_for_polygon):
line = cad.NewLine(geom.Point3D(0, 0, 0), geom.Point3D(0, 0, 0))
lines.append(line)
self.TempObject().Add(line)
radius = p0.Dist(p1)
sideAngle=0
if self.polygon_inscribed:
# inscribed circle
sideAngle = 2.0 * math.pi / self.number_of_side_for_polygon
radius = radius/math.cos(sideAngle/2)
for i in range(0, self.number_of_side_for_polygon):
xdir = p1 - p0
xdir.Normalize()
ydir = zdir ^ xdir
angle0 = (sideAngle * i)+(sideAngle/2)
angle1 = (sideAngle * (i+1))+(sideAngle/2)
lines[i].A = p0 + xdir * ( math.cos(angle0) * radius ) + ydir * ( math.sin(angle0) * radius )
if i == self.number_of_side_for_polygon - 1: lines[i].B = lines[0].A
lines[i].B = p0 + xdir * ( math.cos(angle1) * radius ) + ydir * ( math.sin(angle1) * radius )
else:
# excribed circle
for i in range(0, self.number_of_side_for_polygon):
xdir = p1 - p0
xdir.Normalize()
ydir = zdir ^ xdir
angle0 = 2.0 * math.pi / self.number_of_side_for_polygon * i
angle1 = 2.0 * math.pi / self.number_of_side_for_polygon * (i+1)
lines[i].A = p0 + xdir * ( math.cos(angle0) * radius ) + ydir * ( math.sin(angle0) * radius )
if i == self.number_of_side_for_polygon - 1: lines[i].B = lines[0].A
lines[i].B = p0 + xdir * ( math.cos(angle1) * radius ) + ydir * ( math.sin(angle1) * radius )
def RenderGrid(cad, view_point, plane=0):
if cad.grid_mode == 1:
cc = cad.background_color[0].best_black_or_white()
v_bg = geom.Point3D(bg.red, bg.green, bg.blue)
v_cc = geom.Point3D(cc.red, cc.green, cc.blue)
v_contrast = v_cc - v_bg
unit_contrast = v_contrast.Normalized()
l1, l2, l3 = 100, 0, 10
if v_cc * geom.Point3D(1, 1, 1) > 0: l1, l2, l3 = 200, 130, 80
if l1 > v_contrast.Magnitude(): l1 = v_contrast.Magnitude()
if l2 > v_contrast.Magnitude(): l2 = v_contrast.Magnitude()
if l3 > v_contrast.Magnitude(): l3 = v_contrast.Magnitude()
uf = (view_point.forwards_vector()).Normalized()
vx, vy = view_point.GetTwoAxes(false, plane)
datum = geom.Point3D(0, 0, 0)
orimat = cad.GetDrawMatrix(False)
datum = datum.Transformed(orimat)
orimat = make_matrix(datum, vx, vy)
v_up = geom.Point3D(0, 0, 1).Transformed(orimat)
fufz = math.fabs(uf * v_up)
if fufz < 0.7:
there = (fufz - 0.3) / 0.4
l1 *= there
l2 *= there
v_gc1 = v_bg + unit_contrast * l1
v_gc2 = v_bg + unit_contrast * l2
v_gc3 = v_bg + unit_contrast * l3
glColor3ub(v_gc3.x, v_gc3.y, v_gc3.z)
RenderGrid2(cad, view_point, 200, False, True, None, None, 0, plane)
glColor3ub(v_gc2.x, v_gc2.y, v_gc2.z)
RenderGrid2(cad, view_point, 20, True, False, None, None, 0, plane)
glColor3ub(v_gc1.x, v_gc1.y, v_gc1.z)
RenderGrid2(cad, view_point, 20, False, False, None, None, 0, plane)
elif cad.grid_mode == 2 or cad.grid_mode == 3:
bg = cad.background_color[0]
cc = bg.best_black_or_white()
light_color = ((cc.red + cc.green + cc.blue) > 384)
cad.EnableBlend()
RenderGrid2(cad, view_point, 200, False, True, bg, cc,
40 if light_color else 10, plane)
RenderGrid2(cad, view_point, 20, True, False, bg, cc,
80 if light_color else 20, plane)
RenderGrid2(cad, view_point, 20, False, False, bg, cc,
120 if light_color else 30, plane)
cad.DisableBlend()
def Scale():
centre_Pos = geom.Point3D(0, 0, 0)
if cad.GetNumSelected() == 0:
wx.GetApp().PickObjects('Pick objects to scale')
if cad.GetNumSelected() == 0:
return
config = HeeksConfig()
selected_items = cad.GetSelectedObjects()
cad.ClearSelection(False)
scale_factor = config.ReadFloat('ScaleFactor', 1.0)
copy = config.ReadBool("ScaleCopy", False)
pos = geom.Point3D(0, 0, 0)
pos.x = config.ReadFloat("ScaleAboutPosX", 0.0)
pos.y = config.ReadFloat("ScaleAboutPosY", 0.0)
pos.z = config.ReadFloat("ScaleAboutPosZ", 0.0)
result, pos, scale_factor, copy = InputScale(pos, scale_factor, copy,
'Scale')
if not result:
return
config.WriteFloat("ScaleFactor", scale_factor)
config.WriteBool("ScaleCopy", copy)
config.WriteFloat("ScaleAboutPosX", pos.x)
config.WriteFloat("ScaleAboutPosY", pos.y)
config.WriteFloat("ScaleAboutPosZ", pos.z)
cad.StartHistory()
mat = geom.Matrix()
mat.Translate(-pos)
mat.Scale(scale_factor)
mat.Translate(pos)
for object in selected_items:
if copy:
if object.CanBeCopied():
object = object.MakeACopy()
object.Transform(mat)
cad.AddUndoably(object)
else:
cad.TransformUndoably(object, mat)
cad.EndHistory()
def MakeFromTwoPoints(self, p0, p1):
self.p = p
self.v = geom.Point3D(p0, p1)
self.length = v.magnitude()
self.box = geom.Box3D()
self.GetBox(self.box)
self.ok = length > geom.tolerance
def construct_from_3_points(self, origin, x_axis, y_axis):
unit_x = x_axis
unit_x.Normalize()
t = unit_x.x * y_axis.x + unit_x.y * y_axis.y + unit_x.z * y_axis.z
y_orthogonal = geom.Point3D(y_axis.x - unit_x.x * t,
y_axis.y - unit_x.y * t,
y_axis.z - unit_x.z * t)
unit_y = copy.deepcopy(y_orthogonal)
unit_y.Normalize()
unit_z = unit_x ^ y_orthogonal
unit_z.Normalize()
self.m = []
self.m.append(unit_x.x)
self.m.append(unit_y.x)
self.m.append(unit_z.x)
self.m.append(origin.x)
self.m.append(unit_x.y)
self.m.append(unit_y.y)
self.m.append(unit_z.y)
self.m.append(origin.y)
self.m.append(unit_x.z)
self.m.append(unit_y.z)
self.m.append(unit_z.z)
self.m.append(origin.z)
self.m.append(0)
self.m.append(0)
self.m.append(0)
self.m.append(1)
def OnSetOriginPoints(self, three_points):
mat = cad.GetDrawMatrix(False)
o = geom.Point3D(0,0,0).Transformed(mat)
x = geom.Point3D(1,0,0).Transformed(mat) - o
y = geom.Point3D(0,1,0).Transformed(mat) - o
new_object = cad.NewCoordinateSystem("Coordinate System", o, x, y)
cad.ClearSelection()
self.SetInputMode(self.select_mode)
# and pick from three points
result = self.MakeOriginFromPickPoints(new_object, three_points)
if result:
cad.AddUndoably(new_object)
cad.Select(new_object)
else:
cad.DeleteInternalObject(new_object)
def add_line(self, x, y, z, a = None, b = None, c = None):
line = cam.NewPathLine()
if x != None: self.oldp.x = float(x)
if y != None: self.oldp.y = float(y)
if z != None: self.oldp.z = float(z)
line.point = geom.Point3D(self.oldp)
self.current_path.AddPathObject(line)
def __init__(self, nccode):
self.nccode = nccode
self.t = None
self.oldp = geom.Point3D(0,0,50)
self.current_block = None
self.current_path = None
self.next_line_number = 0
def GetXYZScale(self):
sx = math.sqrt(self.m[0] * self.m[0] + self.m[1] * self.m[1] +
self.m[2] * self.m[2])
sy = math.sqrt(self.m[4] * self.m[4] + self.m[5] * self.m[5] +
self.m[6] * self.m[6])
sz = math.sqrt(self.m[8] * self.m[8] + self.m[9] * self.m[9] +
self.m[10] * self.m[10])
return geom.Point3D(sx, sy, sz)
def SetProjection2(self, use_depth_testing):
rad = 0.0
box = geom.Box3D()
if use_depth_testing:
self.viewport.cad.GetBox(box)
box.InsertBox(self.extra_depth_box)
box.InsertBox(self.extra_view_box)
if use_depth_testing == False:
self.near_plane = 0.0
self.far_plane = 100000000.0
rad = 2000000.0
elif box.valid == False:
self.near_plane = 0.2
self.far_plane = 2000.0
rad = 1000.0
else:
x, y, z = box.Centre()
box_centre = geom.Point3D(x, y, z)
rad = box.Radius()
to_centre_of_box = geom.Point3D(self.lens_point, box_centre)
f = self.forwards_vector()
f.Normalize()
distance = to_centre_of_box * f
if self.section: rad = rad /100
self.near_plane = distance - rad
self.far_plane = distance + rad
size = self.viewport.GetViewportSize()
w = size.GetWidth()/self.pixel_scale
h = size.GetHeight()/self.pixel_scale
s = math.sqrt(w*w + h*h)
self.near_plane = self.near_plane - s/2
self.far_plane = self.far_plane + s/2
hw = float(size.GetWidth())/2
hh = float(size.GetHeight())/2
if self.perspective:
fovy = self.view_angle
if h>w and w>0: fovy = 2 * 180/math.pi * math.atan( math.tan(self.view_angle/2 * math.pi/180) * h/w)
if self.near_plane < self.far_plane / 200: self.near_plane= self.far_plane /200
gluPerspective(fovy, w/h, self.near_plane, self.far_plane)
else:
glOrtho((-0.5 - hw)/self.pixel_scale, (hw+0.5)/self.pixel_scale, (-0.5-hh)/self.pixel_scale, (0.5+hh)/self.pixel_scale, self.near_plane, self.far_plane)
def GetRotationABC(self):
if self.IsUnit():
return geom.Point3D(0.0, 0.0, 0.0)
scale_xyz = self.GetXYZScale()
if self.IsMirrored():
scale_xyz.x = -scale_xyz.x
# solve for d and decide case and solve for a, b, c, e and f
d = -self.m[8] / sz
c = (1 - d) * (1 + d)
if c > 0.001:
# case 1
c = sqrt(c)
a = self.m[10] / sz / c
b = self.m[9] / sz / c
ee = self.m[0] / sx / c
f = self.m[4] / sy / c
else:
# case 2
d = -1 if (d < 0) else 1
c = 0
p = d * self.m[5] / sy - self.m[2] / sx
q = d * self.m[6] / sy + self.m[1] / sx
coef = math.sqrt(p * p + q * q)
if coef > 0.001:
a = q / coef
b = p / coef
ee = b
f = -d * b
else:
# dependent pairs
a = self.m[5] / sy
b = -self.m[6] / sy
ee = 1
f = 0
# solve and return ax, ay and az
ax = math.atan2(b, a)
ay = math.atan2(d, c)
az = math.atan2(f, ee)
return geom.Point3D(ax, ay, az)
def __init__(self, viewport):
self.viewport = viewport
self.initial_point = wx.Point()
self.initial_pixel_scale = 0.0
self.perspective = 0.0
self.section = False
self.lens_point = geom.Point3D(0, 0, 200)
self.target_point = geom.Point3D(0, 0, 0)
self.vertical = geom.Point3D(0, 1, 0)
self.pixel_scale = 10.0
self.view_angle = 30.0
self.projm = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]
self.modelm = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]
self.window_rect = [0, 0, 0, 0]
self.matrix_valid = False
self.near_plane = 0.0
self.far_plane = 0.0
self.extra_depth_box = geom.Box3D()
self.extra_view_box = geom.Box3D()
def GetDrawMatrix(self, get_the_appropriate_orthogonal):
if get_the_appropriate_orthogonal:
# choose from the three orthoganal possibilities, the one where it's z-axis closest to the camera direction
vx, vy = self.current_viewport.view_point.GetTwoAxes(False, 0)
o = geom.Point3D(0, 0, 0)
if self.current_coordinate_system: o.Transform(self.current_coordinate_system.GetMatrix())
return geom.Matrix(o, vx, vy)
mat = geom.Matrix()
if self.current_coordinate_system: mat = self.current_coordinate_system.GetMatrix()
return mat
def ReadXml(self):
self.filepath = cad.GetXmlValue('filepath')
if self.bottom_left == None:
self.bottom_left = geom.Point3D(0, 0, 0)
self.bottom_right = geom.Point3D(0, 0, 0)
self.top_right = geom.Point3D(0, 0, 0)
self.top_left = geom.Point3D(0, 0, 0)
self.bottom_left.x = float(cad.GetXmlValue('x00'))
self.bottom_left.y = float(cad.GetXmlValue('x01'))
self.bottom_left.z = float(cad.GetXmlValue('x02'))
self.bottom_right.x = float(cad.GetXmlValue('x10'))
self.bottom_right.y = float(cad.GetXmlValue('x11'))
self.bottom_right.z = float(cad.GetXmlValue('x12'))
self.top_right.x = float(cad.GetXmlValue('x20'))
self.top_right.y = float(cad.GetXmlValue('x21'))
self.top_right.z = float(cad.GetXmlValue('x22'))
self.top_left.x = float(cad.GetXmlValue('x30'))
self.top_left.y = float(cad.GetXmlValue('x31'))
self.top_left.z = float(cad.GetXmlValue('x32'))
self.opacity = float(cad.GetXmlValue('opacity'))
Object.ReadXml(self)
def __init__(self, p0, p1, p2=None):
""" construct Plane from three points, from distance and normal ( Point3D ), or a point ( Point3D ) and a normal vector ( Point3D ) """
if p2 == None:
if isinstance(p0, geom.Point3D):
self.normal = p1
self.normal.Normalize()
self.d = -(self.normal * p0)
elif isinstance(p0, int) or isinatance(p0, float):
self.normal = p1
mag = self.normal.Normalize()
self.ok = self.normal != geom.Point3D(0.0, 0.0, 0.0)
if self.ok: self.d = float(p0) / mag
else:
raise ValueError(
"Point3D or float for first argument expected")
else:
# construct plane from 3 points
self.normal = geom.Point3D(p0, p1) ^ geom.Point3D(p0, p2)
self.normal.Normalize()
self.ok = self.normal != geom.Point3D(0.0, 0.0, 0.0)
self.d = -(self.normal * p0)
def ChooseBestPlane(self, plane):
f = self.forwards_vector()
orimat = self.viewport.cad.GetDrawMatrix(False)
dp = [geom.Point3D(0, 0, 1).Transformed(orimat) * f, geom.Point3D(0, 1, 0).Transformed(orimat) * f, geom.Point3D(1, 0, 0).Transformed(orimat) * f]
best_dp = 0.0
best_mode = -1
second_best_dp = 0.0
second_best_mode = -1
third_best_dp = 0.0
third_best_mode = -1
for i in range(0, 3):
if best_mode == -1:
best_mode = i
best_dp = math.fabs(dp[i])
else:
if math.fabs(dp[i])>best_dp:
third_best_dp = second_best_dp
third_best_mode = second_best_mode
second_best_dp = best_dp
second_best_mode = best_mode
best_mode = i
best_dp = math.fabs(dp[i])
else:
if second_best_mode == -1:
second_best_mode = i
second_best_dp = math.fabs(dp[i])
else:
if math.fabs(dp[i])>second_best_dp:
third_best_dp = second_best_dp
third_best_mode = second_best_mode
second_best_dp = math.fabs(dp[i])
second_best_mode = i
else:
third_best_dp = math.fabs(dp[i])
third_best_mode = i;
if plane == 0:
return best_mode
elif plane == 1:
return second_best_mode
return third_best_mode