Rainbow adds a rainbow to the image centered at the specified
coordinates and with a given radius. The center coordinates and radius
can be linearly varied during the effect by specifying the end coordinates
and radius. Left and right cut off of rainbow display can be specified
and varied during . (these cutoffs were introduced as an user wanted these to
block the rainbow due to buildings).
RGB YUY2 and Planar 8/9-16/32 bit depth color formats are supported.Thread Safe.
Details of parameters
| Description |
Name |
Type |
Limits |
Default |
| clip |
|
clip |
|
none |
| start frame number |
sf |
Integer |
within clip |
first frame |
| end frame number |
ef |
Integer |
within clip |
last frame |
| radius of rainbow at start |
rad |
integer |
60 or more |
1/2 of frame height |
| x coordinate of rainbow center at start |
x |
integer |
ensure rainbow part is seen |
mid frame |
| y coordinate of rainbow center at start |
y |
integer |
ensure rainbow part is seen |
mid frame |
| radius of rainbow at end |
erad |
integer |
60 or more |
rad |
| x coordinate of rainbow center atend |
ex |
integer |
ensure rainbow part is seen |
x |
| y coordinate of rainbow center at end |
ey |
integer |
ensure rainbow part is seen |
y |
| x cut off, left of which rainbow will not be seen at start |
xleft |
integer |
within frame |
0 |
| x cut off, right of which rainbow will not be seen at start |
xright |
integer |
more than xleft and within frame |
frame width |
| x cut off, left of which rainbow will not be seen at end |
exleft |
integer |
within frame |
xleft |
| x cut off, right of which rainbow will not be seen at end |
exright |
integer |
more than endxleft and within frame |
xright |