Created
August 4, 2018 08:39
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Create a number of cameras in Maya.
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import maya.cmds as cmds | |
import math | |
H_ANGLE = 150 | |
V_ANGLE = 60 | |
H_CAMS = 9 | |
V_CAMS = 5 | |
RADIUS = 10 | |
FL = 60. | |
# Degrees to Radians etc | |
hs = H_ANGLE / 2.0 * -1 * math.pi / 180 | |
ha = H_ANGLE / float(H_CAMS - 1) * math.pi / 180 | |
vs = V_ANGLE / 2.0 * -1 * math.pi / 180 | |
va = V_ANGLE / float(V_CAMS - 1) * math.pi / 180 | |
def lock_hide(obj): | |
attrs = ['.tx', '.ty', '.tz', '.rx', | |
'.ry', '.rz', '.sx', '.sy', '.sz'] | |
for attr in attrs: | |
cmds.setAttr(obj + attr, lock=True, | |
keyable=False, channelBox=False) | |
def unrenderable(): | |
# make all default cameras unrenderable | |
for cam in cmds.listCameras(p=True): | |
cmds.setAttr(cam + '.renderable', False) | |
def camera(grp, ctrl, x, y, z): | |
cam, shape = cmds.camera(aspectRatio=1.0, | |
focalLength=FL, | |
overscan=1.5, | |
displayFilmGate=True, | |
displayResolution=True) | |
cmds.move(x, y, z, cam, absolute=True) | |
cmds.viewLookAt(cam, pos=(0.0, 0.0, 0.0)) | |
cmds.parent(cam, grp) | |
lock_hide(cam) | |
cmds.connectAttr(ctrl + '.cameraScale', shape + '.locatorScale') | |
cmds.connectAttr(ctrl + '.focalLength', shape + '.focalLength') | |
cmds.connectAttr(ctrl + '.cameraVisible', cam + '.visibility') | |
cmds.connectAttr(ctrl + '.cameraDisplayOverride', | |
cam + '.overrideDisplayType') | |
cmds.setAttr(cam + '.overrideEnabled', True) | |
cmds.setAttr(cam + '.renderable', True) | |
return cam, shape | |
def ctrl_crv(): | |
obj = cmds.curve(name='cam_ctrl', d=1, | |
p=[[-1, 1, RADIUS + 2], [1, 1, RADIUS + 2], | |
[1, -1, RADIUS + 2], [-1, -1, RADIUS + 2], | |
[-1, 1, RADIUS + 2]]) | |
lock_hide(obj) | |
cmds.setAttr(obj + '.overrideEnabled', True) | |
cmds.setAttr(obj + '.overrideColor', 13) | |
cmds.setAttr(obj + '.v', 1, lock=True, keyable=False, channelBox=False) | |
cmds.addAttr(obj, shortName='cs', longName='cameraScale', | |
defaultValue=1.0, minValue=0.001, maxValue=10, keyable=True) | |
cmds.addAttr(obj, shortName='fl', longName='focalLength', | |
defaultValue=FL, minValue=10.0, maxValue=100.0, keyable=True) | |
cmds.addAttr(obj, shortName='cv', longName='cameraVisible', | |
defaultValue=True, keyable=True) | |
cmds.addAttr(obj, shortName='cdo', longName='cameraDisplayOverride', | |
at="enum", en="normal:template:reference:", | |
defaultValue=0, keyable=True) | |
return obj | |
def cam_array(): | |
grp = cmds.group(empty=True, name='cam_grp') | |
ctrl = ctrl_crv() | |
unrenderable() | |
for i in range(H_CAMS): | |
for j in range(V_CAMS): | |
theta, phi = i * ha + hs, j * va + vs | |
x = RADIUS * math.sin(theta) * math.cos(phi) | |
y = RADIUS * math.sin(phi) | |
z = RADIUS * math.cos(theta) * math.cos(phi) | |
camera(grp, ctrl, x, y, z) | |
cmds.select(ctrl, r=True) | |
cam_array() |
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