def exportNukeDewarpNode(id_cam,offset,nuke_path):
id_lens = tde4.getCameraLens(id_cam)
model = tde4.getLensLDModel(id_lens)
num_frames = tde4.getCameraNoFrames(id_cam)
w_fb_cm = tde4.getLensFBackWidth(id_lens)
h_fb_cm = tde4.getLensFBackHeight(id_lens)
lco_x_cm = tde4.getLensLensCenterX(id_lens)
lco_y_cm = tde4.getLensLensCenterY(id_lens)
pxa = tde4.getLensPixelAspect(id_lens)
# xa,xb,ya,yb in unit coordinates, in this order.
xa_unit,xb_unit,ya_unit,yb_unit = tde4.getCameraFOV(id_cam)
f = open(nuke_path,"w")
try:
f.write('# Created by 3DEqualizer4 using Export Nuke Distortion Nodes export script\n')
f.write("LD" + nukify_name(model) + ' {\n')
f.write(' direction undistort\n')
################################
# focal length #
################################
if is_focal_length_dynamic(id_cam):
# write focal length curve if dynamic
# print 'dynamic focal length'
f.write(' tde4_focal_length_cm {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focal = tde4.getCameraFocalLength(id_cam,frame + 1)
f.write ('x%i %.7f ' % (frame + offset,focal))
f.write('}}\n')
else:
# write static focal length otherwise
# print 'static focal length'
f.write(' tde4_focal_length_cm %.7f \n' % tde4.getCameraFocalLength(id_cam,1))
################################
# focus distance #
################################
# For Release 1 this function return False, so no problem with getCameraFocus.
if is_focus_distance_dynamic(id_cam):
# write focus distance curve if dynamic
# print 'dynamic focus distance'
f.write(' tde4_custom_focus_distance_cm {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focus = tde4.getCameraFocus(id_cam,frame + 1)
f.write ('x%i %.7f ' % (frame + offset,focus))
f.write('}}\n')
else:
try:
# write static focus distance otherwise
f.write(' tde4_custom_focus_distance_cm %.7f \n' % tde4.getCameraFocus(id_cam,1))
except:
# For Release 1 we simply write out the default value to Nuke.
f.write(' tde4_custom_focus_distance_cm 100.0 \n')
################################
# built-in parameters #
################################
# the remaining five built-in parameters
f.write(' tde4_filmback_width_cm %.7f \n' % w_fb_cm)
f.write(' tde4_filmback_height_cm %.7f \n' % h_fb_cm)
f.write(' tde4_lens_center_offset_x_cm %.7f \n' % lco_x_cm)
f.write(' tde4_lens_center_offset_y_cm %.7f \n' % lco_y_cm)
f.write(' tde4_pixel_aspect %.7f \n' % pxa)
################################
# field-of-view #
################################
f.write(' field_of_view_xa_unit %.7f \n' % xa_unit)
f.write(' field_of_view_xb_unit %.7f \n' % xb_unit)
f.write(' field_of_view_ya_unit %.7f \n' % ya_unit)
f.write(' field_of_view_yb_unit %.7f \n' % yb_unit)
# write distortion parameters
#
# dynamic distortion
dyndistmode = get_dynamic_distortion_mode(id_lens)
old_api = True
try:
for para in getLDmodelParameterList(model):
tde4.getLensLDAdjustableParameter(id_lens, para, 1)
break
except:
old_api = False
if old_api:
# dynamic focal length (zoom)
if dyndistmode=="DISTORTION_DYNAMIC_FOCAL_LENGTH":
# print 'dynamic lens distortion, focal length'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focal = tde4.getCameraFocalLength(id_cam,frame + 1)
f.write ('x%i %.7f ' % (frame + offset,tde4.getLensLDAdjustableParameter(id_lens,para,focal)))
f.write('}}\n')
# dynamic focus distance
if dyndistmode=="DISTORTION_DYNAMIC_FOCUS_DISTANCE":
# print 'dynamic lens distortion, focus distance'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(num_frames):
# Older Releases do not have Focus-methods.
try:
# Internally, frames start at 1.
focus = tde4.getCameraFocus(id_cam,frame + 1)
except:
focus = 100.0
f.write('x%i %.7f ' % (frame + offset,tde4.getLensLDAdjustableParameter(id_lens,para,focus)))
f.write('}}\n')
# static distortion
if dyndistmode=="DISTORTION_STATIC":
# print 'static lens distortion'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' %.7f \n'%tde4.getLensLDAdjustableParameter(id_lens,para,1))
else:
# new API
if dyndistmode=="DISTORTION_STATIC":
# print 'static lens distortion'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' %.7f \n'%tde4.getLensLDAdjustableParameter(id_lens,para,1,1))
else:
# print 'dynamic lens distortion,'
# dynamic
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focal = tde4.getCameraFocalLength(id_cam,frame + 1)
focus = tde4.getCameraFocus(id_cam,frame + 1)
f.write('x%i %.7f ' % (frame + offset,tde4.getLensLDAdjustableParameter(id_lens,para,focal,focus)))
# print "%i[3DE4] -> %i[Nuke]" % (frame + tde4.getCameraFrameOffset(id_cam),frame + offset)
f.write('}}\n')
f.write(' name LD_3DE4_' + decode_entities(tde4.getCameraName(id_cam)) + '\n')
f.write('}\n')
finally:
f.close()
def exportNukeDewarpNode(id_cam,offset,nuke_path):
id_lens = tde4.getCameraLens(id_cam)
model = tde4.getLensLDModel(id_lens)
num_frames = tde4.getCameraNoFrames(id_cam)
w_fb_cm = tde4.getLensFBackWidth(id_lens)
h_fb_cm = tde4.getLensFBackHeight(id_lens)
lco_x_cm = tde4.getLensLensCenterX(id_lens)
lco_y_cm = tde4.getLensLensCenterY(id_lens)
pxa = tde4.getLensPixelAspect(id_lens)
# xa,xb,ya,yb in unit coordinates, in this order.
xa_unit,xb_unit,ya_unit,yb_unit = tde4.getCameraFOV(id_cam)
f = open(nuke_path,"w")
try:
f.write('# Created by 3DEqualizer4 using Export Nuke Distortion Nodes export script\n')
f.write("LD" + nukify_name(model) + ' {\n')
f.write(' direction undistort\n')
################################
# focal length #
################################
if is_focal_length_dynamic(id_cam):
# write focal length curve if dynamic
# print 'dynamic focal length'
f.write(' tde4_focal_length_cm {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focal = tde4.getCameraFocalLength(id_cam,frame + 1)
f.write ('x%i %.7f ' % (frame + offset,focal))
f.write('}}\n')
else:
# write static focal length otherwise
# print 'static focal length'
f.write(' tde4_focal_length_cm %.7f \n' % tde4.getCameraFocalLength(id_cam,1))
################################
# focus distance #
################################
# For Release 1 this function return False, so no problem with getCameraFocus.
if is_focus_distance_dynamic(id_cam):
# write focus distance curve if dynamic
# print 'dynamic focus distance'
f.write(' tde4_custom_focus_distance_cm {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focus = tde4.getCameraFocus(id_cam,frame + 1)
f.write ('x%i %.7f ' % (frame + offset,focus))
f.write('}}\n')
else:
try:
# write static focus distance otherwise
f.write(' tde4_custom_focus_distance_cm %.7f \n' % tde4.getCameraFocus(id_cam,1))
except:
# For Release 1 we simply write out the default value to Nuke.
f.write(' tde4_custom_focus_distance_cm 100.0 \n')
################################
# built-in parameters #
################################
# the remaining five built-in parameters
f.write(' tde4_filmback_width_cm %.7f \n' % w_fb_cm)
f.write(' tde4_filmback_height_cm %.7f \n' % h_fb_cm)
f.write(' tde4_lens_center_offset_x_cm %.7f \n' % lco_x_cm)
f.write(' tde4_lens_center_offset_y_cm %.7f \n' % lco_y_cm)
f.write(' tde4_pixel_aspect %.7f \n' % pxa)
################################
# field-of-view #
################################
f.write(' field_of_view_xa_unit %.7f \n' % xa_unit)
f.write(' field_of_view_xb_unit %.7f \n' % xb_unit)
f.write(' field_of_view_ya_unit %.7f \n' % ya_unit)
f.write(' field_of_view_yb_unit %.7f \n' % yb_unit)
# write distortion parameters
#
# dynamic distortion
dyndistmode = get_dynamic_distortion_mode(id_lens)
old_api = True
try:
for para in getLDmodelParameterList(model):
tde4.getLensLDAdjustableParameter(id_lens, para, 1)
break
except:
old_api = False
if old_api:
# dynamic focal length (zoom)
if dyndistmode=="DISTORTION_DYNAMIC_FOCAL_LENGTH":
# print 'dynamic lens distortion, focal length'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focal = tde4.getCameraFocalLength(id_cam,frame + 1)
f.write ('x%i %.7f ' % (frame + offset,tde4.getLensLDAdjustableParameter(id_lens,para,focal)))
f.write('}}\n')
# dynamic focus distance
if dyndistmode=="DISTORTION_DYNAMIC_FOCUS_DISTANCE":
# print 'dynamic lens distortion, focus distance'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(num_frames):
# Older Releases do not have Focus-methods.
try:
# Internally, frames start at 1.
focus = tde4.getCameraFocus(id_cam,frame + 1)
except:
focus = 100.0
f.write('x%i %.7f ' % (frame + offset,tde4.getLensLDAdjustableParameter(id_lens,para,focus)))
f.write('}}\n')
# static distortion
if dyndistmode=="DISTORTION_STATIC":
# print 'static lens distortion'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' %.7f \n'%tde4.getLensLDAdjustableParameter(id_lens,para,1))
else:
# new API
if dyndistmode=="DISTORTION_STATIC":
# print 'static lens distortion'
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' %.7f \n'%tde4.getLensLDAdjustableParameter(id_lens,para,1,1))
else:
# print 'dynamic lens distortion,'
# dynamic
for para in getLDmodelParameterList(model):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(num_frames):
# Internally, frames start at 1.
focal = tde4.getCameraFocalLength(id_cam,frame + 1)
focus = tde4.getCameraFocus(id_cam,frame + 1)
f.write('x%i %.7f ' % (frame + offset,tde4.getLensLDAdjustableParameter(id_lens,para,focal,focus)))
# print "%i[3DE4] -> %i[Nuke]" % (frame + tde4.getCameraFrameOffset(id_cam),frame + offset)
f.write('}}\n')
f.write(' name LD_3DE4_' + decode_entities(tde4.getCameraName(id_cam)) + '\n')
f.write('}\n')
finally:
f.close()
def _generate_v1(point_group,
camera,
points,
start_frame=None,
undistort=False):
"""
Generate the UV file format contents, using a basic ASCII format.
Each point will store:
- Point name
- X, Y position (in UV coordinates, per-frame)
- Point weight (per-frame)
:param point_group: The 3DE Point Group containing 'points'
:type point_group: str
:param camera: The 3DE Camera containing 2D 'points' data.
:type camera: str
:param points: The list of 3DE Points representing 2D data to
save.
:type points: list of str
:param start_frame: The frame number to be considered at
'first frame'. Defaults to 1001 if
set to None.
:type start_frame: None or int
:param undistort: Should we apply undistortion to the 2D points
data? Yes or no.
:type undistort: bool
:returns: A ASCII format string, with the UV Track data in it.
:rtype: str
"""
assert isinstance(point_group, basestring)
assert isinstance(camera, basestring)
assert isinstance(points, (list, tuple))
assert start_frame is None or isinstance(start_frame, int)
assert isinstance(undistort, bool)
if start_frame is None:
start_frame = 1001
data_str = ''
cam_num_frames = tde4.getCameraNoFrames(camera)
camera_fov = tde4.getCameraFOV(camera)
if len(points) == 0:
return data_str
frame0 = int(start_frame)
frame0 -= 1
data_str += '{0:d}\n'.format(len(points))
for point in points:
name = tde4.getPointName(point_group, point)
c2d = tde4.getPointPosition2DBlock(point_group, point, camera, 1,
cam_num_frames)
valid_mode = _get_point_valid_mode(point_group, point)
# Write per-frame position data
num_valid_frame = 0
pos_list = []
weight_list = []
frame = 1 # 3DE starts at frame '1' regardless of the 'start-frame'.
for v in c2d:
if v[0] == -1.0 or v[1] == -1.0:
# No valid data here.
frame += 1
continue
# Does the 2D point go outside the camera FOV? Is that ok?
valid = tde4.isPointPos2DValid(point_group, point, camera, frame)
if valid == 0:
# No valid data here.
frame += 1
continue
# Check if we're inside the FOV / Frame or not.
valid_pos = _is_valid_position(v, camera_fov, valid_mode)
if valid_pos is False:
frame += 1
continue
# Number of points with valid positions
num_valid_frame += 1
f = frame + frame0
if undistort is True:
v = tde4.removeDistortion2D(camera, frame, v)
weight = _get_point_weight(point_group, point, camera, frame)
pos_list.append((f, v))
weight_list.append((f, weight))
frame += 1
# add data
data_str += name + '\n'
data_str += '{0:d}\n'.format(num_valid_frame)
for pos_data, weight_data in zip(pos_list, weight_list):
f = pos_data[0]
v = pos_data[1]
w = weight_data[1]
assert f == weight_data[0]
data_str += '%d %.15f %.15f %.8f\n' % (f, v[0], v[1], w)
return data_str
def _generate_v2_v3_and_v4(point_group,
camera,
points,
version=None,
**kwargs):
"""
Generate the UV file format contents, using JSON format.
Set the individual _generate_v2 or _generate_v3 functions for
details of what is stored.
:param point_group: The 3DE Point Group containing 'points'
:type point_group: str
:param camera: The 3DE Camera containing 2D 'points' data.
:type camera: str
:param points: The list of 3DE Points representing 2D data to
save.
:type points: list of str
:param version: The version of file to generate,
UV_TRACK_FORMAT_VERSION_2 or
UV_TRACK_FORMAT_VERSION_3.
:type version: int
:param start_frame: Format v2 and v3; The frame number to be
considered at 'first frame'.
Defaults to 1001 if set to None.
:type start_frame: None or int
:param undistort: Format v2; Should we apply undistortion to the 2D
points data? Yes or no.
:type undistort: bool
:returns: A JSON format string, with the UV Track data in it.
:rtype: str
"""
assert isinstance(point_group, basestring)
assert isinstance(camera, basestring)
assert isinstance(points, (list, tuple))
assert isinstance(version, (int, long))
assert version in [
UV_TRACK_FORMAT_VERSION_2, UV_TRACK_FORMAT_VERSION_3,
UV_TRACK_FORMAT_VERSION_4
]
start_frame = kwargs.get('start_frame')
assert start_frame is None or isinstance(start_frame, int)
if start_frame is None:
start_frame = 1001
undistort = None
if version == UV_TRACK_FORMAT_VERSION_2:
undistort = kwargs.get('undistort')
assert isinstance(undistort, bool)
data = None
if version == UV_TRACK_FORMAT_VERSION_2:
data = UV_TRACK_HEADER_VERSION_2.copy()
elif version == UV_TRACK_FORMAT_VERSION_3:
data = UV_TRACK_HEADER_VERSION_3.copy()
elif version == UV_TRACK_FORMAT_VERSION_4:
data = UV_TRACK_HEADER_VERSION_4.copy()
else:
raise ValueError("Version number is invalid; %r" % version)
cam_num_frames = tde4.getCameraNoFrames(camera)
camera_fov = tde4.getCameraFOV(camera)
if len(points) == 0:
return ''
frame0 = int(start_frame)
frame0 -= 1
data['num_points'] = len(points)
data['is_undistorted'] = None
if version == UV_TRACK_FORMAT_VERSION_2:
data['is_undistorted'] = bool(undistort)
data['points'] = []
for point in points:
point_data = {}
# Query point information
name = tde4.getPointName(point_group, point)
uid = None
if SUPPORT_PERSISTENT_ID is True:
uid = tde4.getPointPersistentID(point_group, point)
point_set = tde4.getPointSet(point_group, point)
point_set_name = None
if point_set is not None:
point_set_name = tde4.getSetName(point_group, point_set)
point_data['name'] = name
point_data['id'] = uid
point_data['set_name'] = point_set_name
valid_mode = _get_point_valid_mode(point_group, point)
# Get the 3D point position
if version in [UV_TRACK_FORMAT_VERSION_3, UV_TRACK_FORMAT_VERSION_4]:
point_data['3d'] = _get_3d_data_from_point(point_group, point)
# Write per-frame position data
frame = 1 # 3DE starts at frame '1' regardless of the 'start frame'.
point_data['per_frame'] = []
pos_block = tde4.getPointPosition2DBlock(point_group, point, camera, 1,
cam_num_frames)
for pos in pos_block:
if pos[0] == -1.0 or pos[1] == -1.0:
# No valid data here.
frame += 1
continue
# Is the 2D point obscured?
valid = tde4.isPointPos2DValid(point_group, point, camera, frame)
if valid == 0:
# No valid data here.
frame += 1
continue
# Check if we're inside the FOV / Frame or not.
valid_pos = _is_valid_position(pos, camera_fov, valid_mode)
if valid_pos is False:
frame += 1
continue
pos_undist = pos
if undistort is True or undistort is None:
pos_undist = tde4.removeDistortion2D(camera, frame, pos)
weight = _get_point_weight(point_group, point, camera, frame)
f = frame + frame0
frame_data = {'frame': f, 'pos': pos_undist, 'weight': weight}
if version in [
UV_TRACK_FORMAT_VERSION_3, UV_TRACK_FORMAT_VERSION_4
]:
frame_data['pos_dist'] = pos
point_data['per_frame'].append(frame_data)
frame += 1
data['points'].append(point_data)
if version == UV_TRACK_FORMAT_VERSION_4:
lens = tde4.getCameraLens(camera)
data['camera'] = _generate_camera_data(camera, lens, frame0)
data_str = json.dumps(data)
return data_str
def _remove_rs_from_2d_point(point_group, camera, frame, input_2d, depth):
"""
Correct Rolling Shutter for the given input_2d point data, on frame.
:param point_group: Camera Point Group for camera.
:param camera: The camera to use for rolling shutter calculations.
:param frame: The 2D point's frame number (in internal 3DE frame numbers).
:param input_2d: Input 2D data.
:param depth: The content distance to calculate rolling shutter at.
:return: 2D point with corrected position.
:rtype: [float, float]
"""
assert isinstance(input_2d, vl_sdv.vec2d)
num_frames = tde4.getCameraNoFrames(camera)
if num_frames == 1:
return input_2d
# Static camera and lens values.
camera_fps = tde4.getCameraFPS(camera)
camera_fov = tde4.getCameraFOV(camera)
lens = tde4.getCameraLens(camera)
fbw = tde4.getLensFBackWidth(lens)
fbh = tde4.getLensFBackHeight(lens)
lcox = tde4.getLensLensCenterX(lens)
lcoy = tde4.getLensLensCenterY(lens)
rs_time_shift = tde4.getCameraRollingShutterTimeShift(camera)
rs_value = rs_time_shift * camera_fps
# Sample at previous frame
prev_pos = vl_sdv.vec3d(0, 0, 0)
prev_frame = frame - 1
if frame > 1:
prev_pos = _convert_2d_to_3d_point_undistort(
point_group, camera,
fbw, fbh, lcox, lcoy,
camera_fov,
prev_frame, input_2d, depth)
# Sample at next frame
next_pos = vl_sdv.vec3d(0, 0, 0)
next_frame = frame + 1
if frame < num_frames:
next_pos = _convert_2d_to_3d_point_undistort(
point_group, camera,
fbw, fbh, lcox, lcoy,
camera_fov,
next_frame, input_2d, depth)
# Sample at current frame
curr_pos = _convert_2d_to_3d_point_undistort(
point_group, camera,
fbw, fbh, lcox, lcoy,
camera_fov,
frame, input_2d, depth)
# Blend previous, next and current frame values based on the
# position of the 2D point vertical position and the rolling
# shutter value.
if frame == 1:
prev_pos = curr_pos + (curr_pos - next_pos)
if frame == num_frames:
next_pos = curr_pos + (curr_pos - prev_pos)
t = rs_value * (1.0 - input_2d[1])
curr_pos = _apply_rs_correction(-t, prev_pos, curr_pos, next_pos)
# Back-projection
focal = tde4.getCameraFocalLength(camera, frame)
r3d = vl_sdv.mat3d(tde4.getPGroupRotation3D(point_group, camera, frame))
p3d = vl_sdv.vec3d(tde4.getPGroupPosition3D(point_group, camera, frame))
d = r3d.trans() * (curr_pos - p3d)
p2d = [0, 0]
p2d[0] = (d[0] * focal / (-d[2] * fbw)) + (lcox / fbw) + 0.5
p2d[1] = (d[1] * focal / (-d[2] * fbh)) + (lcoy / fbh) + 0.5
p = tde4.applyDistortion2D(camera, frame, p2d)
left, right, bottom, top = camera_fov
p = vl_sdv.vec2d((p[0] * (right - left)) + left,
(p[1] * (top - bottom)) + bottom)
v = (input_2d + (input_2d - p)).list()
return v
def generateNukeNode(cam, direction, offset=0, index=0):
lens = tde4.getCameraLens(cam)
model = tde4.getLensLDModel(lens)
num_frames = tde4.getCameraNoFrames(cam)
w_fb_cm = tde4.getLensFBackWidth(lens)
h_fb_cm = tde4.getLensFBackHeight(lens)
lco_x_cm = tde4.getLensLensCenterX(lens)
lco_y_cm = tde4.getLensLensCenterY(lens)
pxa = tde4.getLensPixelAspect(lens)
# xa,xb,ya,yb in unit coordinates, in this order.
fov = tde4.getCameraFOV(cam)
print 'camera: ', tde4.getCameraName(cam)
print 'offset:', offset
print 'lens:', tde4.getLensName(lens)
print 'model: ', model
nukeNode = []
nukeNode.append('# Created by 3DEqualizer4 ')
nukeNode.append('# using Export Nuke Distortion Nodes export script')
nukeNode.append("LD" + tools.nukify_name(model) + ' {')
nukeNode.append(' direction ' + direction)
# write focal length curve if dynamic
if tde4.getCameraZoomingFlag(cam):
print 'dynamic focal length'
dynFocalLength = []
for frame in range(1, num_frames + 1):
dynFocalLength.append('x%i' % (frame + offset))
dynFocalLength.append(' %.7f ' %
tde4.getCameraFocalLength(cam, frame))
focalLenghtStr = "".join(dynFocalLength)
nukeNode.append(' tde4_focal_length_cm {{curve ' + focalLenghtStr +
' }}')
# write static focal length else
else:
print 'static focal length'
focalLenghtStr = ' tde4_focal_length_cm %.7f '
focalLenghtStr = focalLenghtStr % tde4.getCameraFocalLength(cam, 1)
nukeNode.append(focalLenghtStr)
# write focus distance curve if dynamic
try:
if tde4.getCameraFocusMode(cam) == "FOCUS_DYNAMIC":
print 'dynamic focus distance'
dynFocusDistance = []
for frame in range(1, num_frames + 1):
dynFocusDistance.append('x%i' % (frame + offset))
dynFocusDistance.append(' %.7f ' %
tde4.getCameraFocus(cam, frame))
focusDStr = "".join(dynFocusDistance)
toWrite = ' tde4_custom_focus_distance_cm {{curve ' + focusDStr + '}}'
nukeNode.append(toWrite)
except:
# For 3DE4 Release 1:
pass
# write static focus distance else
else:
print 'static focus distance'
try:
cameraFocus = ' tde4_custom_focus_distance_cm %.7f '
cameraFocus = cameraFocus % tde4.getCameraFocus(cam, 1)
nukeNode.append(cameraFocus)
except:
# For 3DE4 Release 1:
nukeNode.append(' tde4_custom_focus_distance_cm 100.0 ')
# write camera
nukeNode.append(' tde4_filmback_width_cm %.7f ' % w_fb_cm)
nukeNode.append(' tde4_filmback_height_cm %.7f ' % h_fb_cm)
nukeNode.append(' tde4_lens_center_offset_x_cm %.7f ' % lco_x_cm)
nukeNode.append(' tde4_lens_center_offset_y_cm %.7f ' % lco_y_cm)
nukeNode.append(' tde4_pixel_aspect %.7f ' % pxa)
nukeNode.append(' field_of_view_xa_unit %.7f ' % fov[0])
nukeNode.append(' field_of_view_ya_unit %.7f ' % fov[2])
nukeNode.append(' field_of_view_xb_unit %.7f ' % fov[1])
nukeNode.append(' field_of_view_yb_unit %.7f ' % fov[3])
nukeNode.append(' filter Simon')
# dynamic distortion
try:
dyndistmode = tde4.getLensDynamicDistortionMode(lens)
except:
# For 3DE4 Release 1:
if tde4.getLensDynamicDistortionFlag(lens) == 1:
dyndistmode = "DISTORTION_DYNAMIC_FOCAL_LENGTH"
else:
dyndistmode = "DISTORTION_STATIC"
if dyndistmode == "DISTORTION_STATIC":
print 'static lens distortion'
for para in (tools.getLDmodelParameterList(model)):
distStr = ' %.7f ' % tde4.getLensLDAdjustableParameter(
lens, para, 1, 1)
nukeNode.append(' ' + tools.nukify_name(para) + distStr)
else:
print 'dynamic lens distortion,'
# dynamic
for para in (tools.getLDmodelParameterList(model)):
lensCurve = []
for frame in range(1, num_frames + 1):
focal = tde4.getCameraFocalLength(cam, frame)
focus = tde4.getCameraFocus(cam, frame)
lensCurve.append('x%i' % (frame + offset))
frameParam = tde4.getLensLDAdjustableParameter(
lens, para, focal, focus)
lensCurve.append(' %.7f ' % frameParam)
lensCurveStr = ' {{curve ' + "".join(lensCurve) + ' }}'
nukeNode.append(' ' + tools.nukify_name(para) + lensCurveStr)
nameNode = 'name ' + getLDNodeName(cam, direction, offset, index)
nukeNode.append(nameNode)
nukeNode.append('}')
return nukeNode
def _generate_v2(point_group,
camera,
points,
start_frame=None,
undistort=False):
"""
Generate the UV file format contents, using JSON format.
:param point_group: The 3DE Point Group containing 'points'
:type point_group: str
:param camera: The 3DE Camera containing 2D 'points' data.
:type camera: str
:param points: The list of 3DE Points representing 2D data to
save.
:type points: list of str
:param start_frame: The frame number to be considered at
'first frame'. Defaults to 1001 if
set to None.
:type start_frame: None or int
:param undistort: Should we apply undistortion to the 2D points
data? Yes or no.
:type undistort: bool
Each point will store:
- Point name
- X, Y position (in UV coordinates, per-frame)
- Point weight (per-frame)
- Point Set name
- Point 'Persistent ID'
"""
assert isinstance(point_group, basestring)
assert isinstance(camera, basestring)
assert isinstance(points, (list, tuple))
assert start_frame is None or isinstance(start_frame, int)
assert isinstance(undistort, bool)
if start_frame is None:
start_frame = 1001
data = UV_TRACK_HEADER_VERSION_2.copy()
cam_num_frames = tde4.getCameraNoFrames(camera)
camera_fov = tde4.getCameraFOV(camera)
if len(points) == 0:
return ''
frame0 = int(start_frame)
frame0 -= 1
data['num_points'] = len(points)
data['is_undistorted'] = bool(undistort)
data['points'] = []
for point in points:
point_data = {}
# Query point information
name = tde4.getPointName(point_group, point)
uid = None
if SUPPORT_PERSISTENT_ID is True:
uid = tde4.getPointPersistentID(point_group, point)
point_set = tde4.getPointSet(point_group, point)
point_set_name = None
if point_set is not None:
point_set_name = tde4.getSetName(point_group, point_set)
point_data['name'] = name
point_data['id'] = uid
point_data['set_name'] = point_set_name
valid_mode = _get_point_valid_mode(point_group, point)
# Write per-frame position data
frame = 1 # 3DE starts at frame '1' regardless of the 'start frame'.
point_data['per_frame'] = []
pos_block = tde4.getPointPosition2DBlock(point_group, point, camera, 1,
cam_num_frames)
for pos in pos_block:
if pos[0] == -1.0 or pos[1] == -1.0:
# No valid data here.
frame += 1
continue
# Is the 2D point obscured?
valid = tde4.isPointPos2DValid(point_group, point, camera, frame)
if valid == 0:
# No valid data here.
frame += 1
continue
# Check if we're inside the FOV / Frame or not.
valid_pos = _is_valid_position(pos, camera_fov, valid_mode)
if valid_pos is False:
frame += 1
continue
if undistort is True:
pos = tde4.removeDistortion2D(camera, frame, pos)
weight = _get_point_weight(point_group, point, camera, frame)
f = frame + frame0
frame_data = {'frame': f, 'pos': pos, 'weight': weight}
point_data['per_frame'].append(frame_data)
frame += 1
data['points'].append(point_data)
data_str = json.dumps(data)
return data_str
def exportNukeDewarpNode(cam, offset, nuke_path):
lens = tde4.getCameraLens(cam)
model = tde4.getLensLDModel(lens)
num_frames = tde4.getCameraNoFrames(cam)
w_fb_cm = tde4.getLensFBackWidth(lens)
h_fb_cm = tde4.getLensFBackHeight(lens)
lco_x_cm = tde4.getLensLensCenterX(lens)
lco_y_cm = tde4.getLensLensCenterY(lens)
pxa = tde4.getLensPixelAspect(lens)
# xa,xb,ya,yb in unit coordinates, in this order.
fov = tde4.getCameraFOV(cam)
print 'camera: ', tde4.getCameraName(cam)
print 'offset:', offset
print 'lens:', tde4.getLensName(lens)
print 'model: ', model
f = open(nuke_path, "w")
try:
f.write(
'# Created by 3DEqualizer4 using Export Nuke Distortion Nodes export script\n'
)
f.write("LD" + nukify_name(model) + ' {\n')
f.write(' direction undistort\n')
# write focal length curve if dynamic
if tde4.getCameraZoomingFlag(cam):
print 'dynamic focal length'
f.write(' tde4_focal_length_cm {{curve ')
for frame in range(1, num_frames + 1):
f.write('x%i' % (frame + offset))
f.write(' %.7f ' % tde4.getCameraFocalLength(cam, frame))
f.write('}}\n')
# write static focal length else
else:
print 'static focal length'
f.write(' tde4_focal_length_cm %.7f \n' %
tde4.getCameraFocalLength(cam, 1))
# write focus distance curve if dynamic
try:
if tde4.getCameraFocusMode(cam) == "FOCUS_DYNAMIC":
print 'dynamic focus distance'
f.write(' tde4_custom_focus_distance_cm {{curve ')
for frame in range(1, num_frames + 1):
f.write('x%i' % (frame + offset))
f.write(' %.7f ' % tde4.getCameraFocus(cam, frame))
f.write('}}\n')
except:
# For 3DE4 Release 1:
pass
# write static focus distance else
else:
print 'static focus distance'
try:
f.write(' tde4_custom_focus_distance_cm %.7f \n' %
tde4.getCameraFocus(cam, 1))
except:
# For 3DE4 Release 1:
f.write(' tde4_custom_focus_distance_cm 100.0 \n')
# write camera
f.write(' tde4_filmback_width_cm %.7f \n' % w_fb_cm)
f.write(' tde4_filmback_height_cm %.7f \n' % h_fb_cm)
f.write(' tde4_lens_center_offset_x_cm %.7f \n' % lco_x_cm)
f.write(' tde4_lens_center_offset_y_cm %.7f \n' % lco_y_cm)
f.write(' tde4_pixel_aspect %.7f \n' % pxa)
f.write(' field_of_view_xa_unit %.7f \n' % fov[0])
f.write(' field_of_view_ya_unit %.7f \n' % fov[2])
f.write(' field_of_view_xb_unit %.7f \n' % fov[1])
f.write(' field_of_view_yb_unit %.7f \n' % fov[3])
# write distortion parameters
#
# dynamic distortion
try:
dyndistmode = tde4.getLensDynamicDistortionMode(lens)
except:
# For 3DE4 Release 1:
if tde4.getLensDynamicDistortionFlag(lens) == 1:
dyndistmode = "DISTORTION_DYNAMIC_FOCAL_LENGTH"
else:
dyndistmode = "DISTORTION_STATIC"
old_api = True
try:
tde4.getLensLDAdjustableParameter(lens, para, 1)
except:
old_api = False
if old_api:
if dyndistmode == "DISTORTION_DYNAMIC_FOCAL_LENGTH":
print 'dynamic lens distortion, focal length'
# dynamic focal length (zoom)
for para in (getLDmodelParameterList(model)):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(1, num_frames + 1):
focal = tde4.getCameraFocalLength(cam, frame)
f.write('x%i' % (frame + offset))
f.write(' %.7f ' % tde4.getLensLDAdjustableParameter(
lens, para, focal))
f.write('}}\n')
if dyndistmode == "DISTORTION_DYNAMIC_FOCUS_DISTANCE":
print 'dynamic lens distortion, focus distance'
# dynamic focus distance
for para in (getLDmodelParameterList(model)):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(1, num_frames + 1):
# Older Releases do not have Focus-methods.
try:
focus = tde4.getCameraFocus(cam, frame)
except:
focus = 100.0
f.write('x%i' % (frame + offset))
f.write(' %.7f ' % tde4.getLensLDAdjustableParameter(
lens, para, focus))
f.write('}}\n')
# static distortion
if dyndistmode == "DISTORTION_STATIC":
print 'static lens distortion'
for para in (getLDmodelParameterList(model)):
f.write(' ' + nukify_name(para) + ' %.7f \n' %
tde4.getLensLDAdjustableParameter(lens, para, 1))
else:
# new API
if dyndistmode == "DISTORTION_STATIC":
print 'static lens distortion'
for para in (getLDmodelParameterList(model)):
f.write(
' ' + nukify_name(para) + ' %.7f \n' %
tde4.getLensLDAdjustableParameter(lens, para, 1, 1))
else:
print 'dynamic lens distortion,'
# dynamic
for para in (getLDmodelParameterList(model)):
f.write(' ' + nukify_name(para) + ' {{curve ')
for frame in range(1, num_frames + 1):
focal = tde4.getCameraFocalLength(cam, frame)
focus = tde4.getCameraFocus(cam, frame)
f.write('x%i' % (frame + offset))
f.write(' %.7f ' % tde4.getLensLDAdjustableParameter(
lens, para, focal, focus))
f.write('}}\n')
f.write(' name LD_3DE4_' + decode_entities(tde4.getCameraName(cam)) +
'\n')
f.write('}\n')
finally:
f.close()
def fov(self):
return tde4.getCameraFOV(self._cam_id)
