SpotLight function illuminates a specified circular disc area.
The illumination color can be specified and remains constant.
The spot center moves from the initial center coordinates in pixels to
the final coordinates. Dim controls the factor by which the scene is dimmed prior.
RGB, YUY2 and Planar 8/9-16/32 bit depth formats are supported.
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 illuminated disc |
radius |
integer |
8 to 1/2 of frame lesser dimension |
40 |
| spot light color |
color |
integer |
RRGGBB format |
0x5f5f5f |
| initial x coordinate of the sparkler |
x |
integer |
within frame |
radius |
| initial y coordinate of the sparkler |
y |
integer |
within frame |
radius |
| end x coordinate of the sparkler |
ex |
integer |
within frame |
initx |
| end y coordinate of the sparkler |
ey |
integer |
within frame |
inity |
| dimming factor |
dim |
integer |
dim by 1 to 100 %age of original |
25 |