diff options
| -rw-r--r-- | chroma/project.py | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/chroma/project.py b/chroma/project.py index 05e4d2e..2d38a9e 100644 --- a/chroma/project.py +++ b/chroma/project.py @@ -3,9 +3,9 @@ from chroma.transform import normalize def from_film(position=(0,0,0), axis1=(0,0,1), axis2=(1,0,0), size=(800,600), width=35.0, focal_length=18.0): - """Project rays from a piece of film located at whose focal point is - located at `position`. `axis1` and `axis2` specify the vectors pointing - along the length and height of the film respectively. + """Project rays from a piece of film whose focal point is located at + `position`. `axis1` and `axis2` specify the vectors pointing along the + length and height of the film respectively. """ height = width*(size[1]/float(size[0])) @@ -33,4 +33,4 @@ def from_film(position=(0,0,0), axis1=(0,0,1), axis2=(1,0,0), size=(800,600), grid += axis2*width/2 - axis1*height/2 grid -= np.cross(axis1,axis2)*focal_length - return grid+position, normalize(-grid) + return np.tile(position,(n,1)), normalize(-grid) |