Complete the above given python starter code for a jupyter notebook based off project description. Generating a World to Camera TransformationTo visualize the 3D body model, we will render it from a desired camera viewpoint, by filling inthe values of a rigid transformation relating camera to world. This transformation task is likelyto be the easiest, because it directly corresponds to a procedure we talked about in class and thatalso appears in the textbook in the chapter on Viewing. Choose an eye position (camera locationin world coordinates), a gaze direction (aka look direction vector), and an up direction that inthis case will be the positive Z axis of the world, just follow the procedure that generates thetranslation and rotation matrices that form the World to Camera (canonical to frame) change ofbasis transformation.Due to our earlier normalization of the body into a predetermined location and orientation, we aremore easily able to specify a camera viewpoint that is meaningful relative to the body. For example,if we place the camera on the positive Y axis of the world, looking back along the negative Y axistowards the origin, we should see a frontal view of the body. Similarly, if the camera is on thepositive X axis of the world looking back along the negative X axis towards the origin, we shouldsee the right side of the body. And so on.This is a good time to remind you that we want you to compute the numerical entries of the rotationand translation matrices yourself, using numpy and linear algebra ideas that we have been goingover in lectures. Pytorch3D has a function called "look_at_view_transform". Do not use thatfunction. We may use such higher level, more efficient functions in future projects, but the wholepoint of this project is to understand how to specify the geometric transformations ourselves, at afundamental level of detail.For that matter, you are cautioned that Pytorch3D represents points as row vectors, and thereforewhen it makes a transformation matrix, it is the transpose of how we defined things. # create a default 4x4 homogeneous transform matrixMcam = np.zeros((4, 4))Mcam [0,0] = 1.0Mcam [1, 2] = 1.0Mcam [2,1] = -1.0Mcam [2,3]30.0;=Mcam[3,3] = 1.0# Your job is to fill matrix Mcam in properly, given an eye position,# a lookat vector (e.g. looking towards a point on the object), and# an up vector (in our case, the world +Z axis)EyeXYZ = []LookAtXYZ = []UpVector = np.array ( [0.,0.,1.])#add your code here#print out the transformation matrixprint('Mcam transformation matrix is: ')print (Mcam)Mcam transformation matrix is:[[ 1. 0. 0. 0.][ 0. 0. 1. 0.][ 0. -1.0. 30.][ 0. 0. 0.1.]]

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Description: Complete the above given python starter code for a jupyter notebook based off project description. Generating a World to Camera TransformationTo visualize the 3D body model, we will render it from a desired camera viewpoint, by filling inthe values o

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Complete the above given python starter code for a jupyter notebook based off project description.

Generating a World to Camera Transformation
To visualize the 3D body model, we will render it from a desired camera viewpoint, by filling in
the values of a rigid transformation relating camera to world. This transformation task is likely
to be the easiest, because it directly corresponds to a procedure we talked about in class and that
also appears in the textbook in the chapter on Viewing. Choose an eye position (camera location
in world coordinates), a gaze direction (aka look direction vector), and an up direction that in
this case will be the positive Z axis of the world, just follow the procedure that generates the
translation and rotation matrices that form the World to Camera (canonical to frame) change of
basis transformation.
Due to our earlier normalization of the body into a predetermined location and orientation, we are
more easily able to specify a camera viewpoint that is meaningful relative to the body. For example,
if we place the camera on the positive Y axis of the world, looking back along the negative Y axis
towards the origin, we should see a frontal view of the body. Similarly, if the camera is on the
positive X axis of the world looking back along the negative X axis towards the origin, we should
see the right side of the body. And so on.
This is a good time to remind you that we want you to compute the numerical entries of the rotation
and translation matrices yourself, using numpy and linear algebra ideas that we have been going
over in lectures. Pytorch3D has a function called "look_at_view_transform". Do not use that
function. We may use such higher level, more efficient functions in future projects, but the whole
point of this project is to understand how to specify the geometric transformations ourselves, at a
fundamental level of detail.
For that matter, you are cautioned that Pytorch3D represents points as row vectors, and therefore
when it makes a transformation matrix, it is the transpose of how we defined things.

# create a default 4x4 homogeneous transform matrix
Mcam = np.zeros((4, 4))
Mcam [0,0] = 1.0
Mcam [1, 2] = 1.0
Mcam [2,1] = -1.0
Mcam [2,3]
30.0;
=
Mcam[3,3] = 1.0
# Your job is to fill matrix Mcam in properly, given an eye position,
# a lookat vector (e.g. looking towards a point on the object), and
# an up vector (in our case, the world +Z axis)
EyeXYZ = []
LookAtXYZ = []
UpVector = np.array ( [0.,0.,1.])
#add your code here
#print out the transformation matrix
print('Mcam transformation matrix is: ')
print (Mcam)
Mcam transformation matrix is:
[[ 1. 0. 0. 0.]
[ 0. 0. 1. 0.]
[ 0. -1.
0. 30.]
[ 0. 0. 0.
1.]]

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