def _generate_camera_data(camera, lens, frame0):
camera_data = {}
cam_num_frames = tde4.getCameraNoFrames(camera)
img_width = tde4.getCameraImageWidth(camera)
img_height = tde4.getCameraImageHeight(camera)
camera_data['resolution'] = (img_width, img_height)
film_back_x = tde4.getLensFBackWidth(lens)
film_back_y = tde4.getLensFBackHeight(lens)
camera_data['film_back_cm'] = (film_back_x, film_back_y)
lco_x = tde4.getLensLensCenterX(lens)
lco_y = tde4.getLensLensCenterY(lens)
camera_data['lens_center_offset_cm'] = (lco_x, lco_y)
camera_data['per_frame'] = []
for frame in range(1, cam_num_frames):
# Note: In 3DEqualizer, film back and lens center is assumed
# to be static, only focal length can be dynamic.
focal_length = tde4.getCameraFocalLength(camera, frame)
frame_data = {
'frame': frame + frame0,
'focal_length_cm': focal_length,
}
camera_data['per_frame'].append(frame_data)
return camera_data
def getOutSize(req, cameraIndex, cameraTmp):
# get the actual image size from cameraTmp
imageHeightInTmp = tde4.getCameraImageHeight(cameraTmp)
imageWidthInTmp = tde4.getCameraImageWidth(cameraTmp)
lensTmp = tde4.getCameraLens(cameraTmp)
folcalParameter = getFocalParameters(lensTmp)
# distorsionMode
dyndistmode = tde4.getLensDynamicDistortionMode(lensTmp)
log.debug('dyndistmode : ' + str(dyndistmode))
if dyndistmode == "DISTORTION_STATIC":
lensModelParameter = getLensModelParameter(camera=None,
lens=lensTmp,
frame=None)
resOutTmp = get_bounding_box.calculateBoundigBox(
imageWidthInTmp, imageHeightInTmp, "undistort", folcalParameter,
lensModelParameter)
imageWidthOuttmp = resOutTmp.width
imageHeightOuttmp = resOutTmp.height
else:
imageHeightOuttmp = imageHeightInTmp
imageWidthOuttmp = imageWidthInTmp
for frame in range(1, tde4.getCameraNoFrames(cameraTmp) + 1):
lensModelParameter = getLensModelParameter(camera=cameraTmp,
lens=lensTmp,
frame=frame)
resOuttmp = get_bounding_box.calculateBoundigBox(
imageWidthInTmp, imageHeightInTmp, "undistort",
folcalParameter, lensModelParameter)
if imageHeightOuttmp < resOuttmp.height:
imageHeightOuttmp = resOuttmp.height
if imageWidthOuttmp < resOuttmp.width:
imageWidthOuttmp = resOuttmp.width
if imageHeightInTmp > imageHeightOuttmp:
imageHeightOuttmp = imageHeightInTmp
if imageWidthInTmp > imageWidthOuttmp:
imageWidthOuttmp = imageWidthInTmp
log.debug('****************** lensModelParameter ********************')
for key in lensModelParameter.keys():
log.debug(key + ' : ' + str(lensModelParameter.get(key)))
return imageHeightOuttmp, imageWidthOuttmp
def getInfoCam(self):
cam = self.cam
index = self.index
self.offset = tde4.getCameraFrameOffset(cam)
self.cameraPath = tde4.getCameraPath(cam).replace('\\', '/')
self.camType = tde4.getCameraType(cam)
self.noframes = tde4.getCameraNoFrames(cam)
self.lens = tde4.getCameraLens(cam)
self.rez_x = tde4.getCameraImageWidth(cam)
self.rez_y = tde4.getCameraImageHeight(cam)
self.model = tde4.getLensLDModel(self.lens)
self.firstFrame = tde4.getCameraSequenceAttr(cam)[0]
self.name = "%s_%s_1" % (validName(tde4.getCameraName(cam)), index)
self.lastFrame = '%d' % (self.firstFrame + self.noframes - 1)
self.firstFrame = '%d' % self.firstFrame
self.focal_cm = tde4.getCameraFocalLength(cam, 1)
try:
req = _export_requester_maya
except (ValueError, NameError, TypeError):
_export_requester_maya = tde4.createCustomRequester()
req = _export_requester_maya
tde4.addFileWidget(req, "file_browser", "Exportfile...", "*.mel")
tde4.addTextFieldWidget(req, "startframe_field", "Startframe", "1")
# tde4.addOptionMenuWidget(req,"mode_menu","Orientation","Y-Up", "Z-Up")
tde4.addToggleWidget(req, "hide_ref_frames", "Hide Reference Frames", 0)
cam = tde4.getCurrentCamera()
offset = tde4.getCameraFrameOffset(cam)
tde4.setWidgetValue(req, "startframe_field", str(offset))
FootageWidth = tde4.getCameraImageWidth(cam)
FootageHeight = tde4.getCameraImageHeight(cam)
lens = tde4.getFirstLens()
CameraApertureWidth = tde4.getLensFBackWidth(lens) / 2.54
CameraApertureHeight = tde4.getLensFBackHeight(lens) / 2.54
#about lens distortion.
LensDistortionValid = False
camList = tde4.getCameraList()
for cam in camList:
lens = tde4.getCameraLens(cam)
for id in tde4.getLensList():
focus = tde4.getLensFocalLength(id)
lensmodel = tde4.getLensLDModel(id)
focallength = tde4.getLensFocalLength(id)
paraNumber = tde4.getLDModelNoParameters(lensmodel)
def image_height(self):
return tde4.getCameraImageHeight(self._cam_id)
def getDistortionBoundingBox(camera, lco_x, lco_y):
# We genererate a number of samples around the image in normalized coordinates.
# These samples are later unwarped, and the unwarped points
# will be used to create a bounding box. In general, it is *not* sufficient to
# undistort only the corners, because distortion might be moustache-shaped.
# This is our list of samples:
warped = []
for i in range(10):
warped.append([i / 10.0,0.0])
warped.append([(i + 1) / 10.0,1.0])
warped.append([0.0,i / 10.0])
warped.append([1.0,(i + 1) / 10.0])
# The lens center is by definition the fixed point of the distortion mapping.
elc = [0.5 + lco_x,0.5 + lco_y]
# Image size
w_px = tde4.getCameraImageWidth(camera)
h_px = tde4.getCameraImageHeight(camera)
# The bounding boxes for non-symmetrized and symmetrized cased.
bb_nonsymm = bbdld_bounding_box()
bb_symm = bbdld_bounding_box()
# Run through the frames of this camera
n_frames = tde4.getCameraNoFrames(camera)
for i_frame in range(n_frames):
# 3DE4 counts from 1.
frame = i_frame + 1
# Now we undistort all edge points for the given
# camera and frame and extend the bounding boxes.
for p in warped:
p_unwarped = tde4.removeDistortion2D(camera,frame,p)
# Accumulate bounding boxes
bb_nonsymm.extend(p_unwarped[0],p_unwarped[1])
bb_symm.extend_symm(p_unwarped[0],p_unwarped[1],elc[0],elc[1])
# Scale to pixel coordinates and extend to pixel-aligned values
bb_nonsymm.scale(w_px,h_px)
bb_nonsymm.extend_to_integer()
# Image width and height for the non-symmetrized case
w_nonsymm_px = bb_nonsymm.dx()
h_nonsymm_px = bb_nonsymm.dy()
# Lower left corner for the symmetrized case. This tells us
# how the undistorted image is related to the distorted image.
x_nonsymm_px = bb_nonsymm.x_min()
y_nonsymm_px = bb_nonsymm.y_min()
# Scale to pixel coordinates and extend to pixel-aligned values
bb_symm.scale(w_px,h_px)
bb_symm.extend_to_integer()
# Image width and height for the symmetrized case
w_symm_px = bb_symm.dx()
h_symm_px = bb_symm.dy()
# Lower left corner for the symmetrized case. This tells us
# how the undistorted image is related to the distorted image.
x_symm_px = bb_symm.x_min()
y_symm_px = bb_symm.y_min()
return x_symm_px,y_symm_px,w_symm_px,h_symm_px
def exportDistortionParameters(tde4, cam, lens, f, offset):
"""Add undistort attributes to the Maya camera"""
model = tde4.getLensLDModel(lens)
f.write('addAttr -longName "tde4_lens_model" -dataType "string" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_focal_length_cm" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_filmback_width_cm" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_filmback_height_cm" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_lens_center_offset_x_cm" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_lens_center_offset_y_cm" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_pixel_aspect" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_bbox_scale_factor" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
f.write('addAttr -longName "tde4_animated_distortion" -attributeType "short" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
for para in (getLDmodelParameterList(model)):
f.write('addAttr -longName "'+ getLDmodelNukeParameterName(para) + '" -attributeType "double" -storable 1 -readable 1 -writable 1 $cameraShape;\n')
lensModel = getLDmodelNukeNodeName(model)
f.write('setAttr ($cameraShape+".tde4_lens_model") -type "string" "%s";\n' % lensModel)
numberFrames = tde4.getCameraNoFrames(cam)
if tde4.getCameraZoomingFlag(cam):
# dynamic focal length
for frame in range(1,numberFrames+1):
f.write('setKeyframe -at "tde4_focal_length_cm" -t %d -v %.7f $cameraTransform; '%(frame+offset,tde4.getCameraFocalLength(cam,frame)))
else:
# static focal length
f.write("setAttr ($cameraShape+\".tde4_focal_length_cm\") %7f;\n" % tde4.getCameraFocalLength(cam,1))
fbw = tde4.getLensFBackWidth(lens)
fbh = tde4.getLensFBackHeight(lens)
lcx = tde4.getLensLensCenterX(lens)
lcy = tde4.getLensLensCenterY(lens)
pxa = tde4.getLensPixelAspect(lens)
f.write('setAttr ($cameraShape+\".tde4_filmback_width_cm\") %.7f;\n'%fbw)
f.write('setAttr ($cameraShape+\".tde4_filmback_height_cm\") %.7f;\n'%fbh)
f.write('setAttr ($cameraShape+\".tde4_lens_center_offset_x_cm\") %.7f;\n'%lcx)
f.write('setAttr ($cameraShape+\".tde4_lens_center_offset_y_cm\") %.7f;\n'%lcy)
f.write('setAttr ($cameraShape+\".tde4_pixel_aspect\") %.7f;\n'%pxa)
# compute the bounding box scale factor (animation taken into account)
bbox_x, bbox_y, bbox_w, bbox_h = getDistortionBoundingBox(cam, lcx, lcy)
w_px = tde4.getCameraImageWidth(cam)
h_px = tde4.getCameraImageHeight(cam)
# print "%dx%d => %dx%d" % (w_px, h_px, bbox_w, bbox_h)
distortion_scale_x = float(bbox_w+2) / float(w_px)
distortion_scale_y = float(bbox_h+2) / float(h_px)
# print "distortion scale factor x: %f" % distortion_scale_x
# print "distortion scale factor y: %f" % distortion_scale_y
distortion_scale = max(distortion_scale_x, distortion_scale_y)
f.write('setAttr ($cameraShape+\".tde4_bbox_scale_factor\") %.7f;\n' % distortion_scale)
if tde4.getLensDynamicDistortionFlag(lens):
# dynamic distortion
for para in (getLDmodelParameterList(model)):
for frame in range(1,numberFrames):
focal = tde4.getCameraFocalLength(cam,frame)
f.write('setKeyframe -at "%s" -t %d -v %.7f $cameraTransform; '%(getLDmodelNukeParameterName(para),frame+offset,tde4.getLensLDAdjustableParameter(lens, para, focal)))
f.write('setAttr ($cameraShape+\".tde4_animated_distortion\") 1;\n')
else:
# static distortion
for para in (getLDmodelParameterList(model)):
f.write('setAttr ($cameraShape+\".'+getLDmodelNukeParameterName(para)+'\") %.7f;\n' % tde4.getLensLDAdjustableParameter(lens, para, 1))
f.write('setAttr ($cameraShape+\".tde4_animated_distortion\") 0;\n')
