In several applications of video image processing, coordinates along width (x axis) and height (Y axis) need to be specified with a fair degree of accuracy. Grid plugin facilitates this by superimposing a Grid on the frame.
Grid lines are drawn as dotted lines, while those specified as bold are drawn as dashed lines and very bold ones are drawn as full lines. Color of these lines can be specified.
If grid is set true ( axis = false) then top left corner is used as origin of the grid. If both grid and axis are set to true, then frame center is used as origin of grid. If only axis is set true then graduated central axes lines are displayed
| Description | Name | Type | Limits | Default |
| Input clip | clip | none | ||
| grid display to start from frame number | sf | integer | must be within clip. | 0 |
| grid display to end on frame number | ef | integer | must be within clip and not less than sf. | last frame of clip |
| grid line (dotted) interval in pixels | lineint | integer | Positive even number not less than 4 | 10 |
| bold line( dashed) at every nth grid line | bold | integer | 5 | |
| very bold line( solid) at every nth bold line | vbold | integer | 2 | |
| color of grid line | color | integer | specified as RRGGBB | 0 |
| color of bold line | bcolor | integer | specified as RRGGBB | color |
| color of very bold line | vbcolor | integer | specified as RRGGBB | color |
| Whether grid lines to be displayed | grid | boolean | true / false | true |
| Whether axis lines to be displayed | axis | boolean | true / false | false |
Grid(last,24,200,25,4,5,$ff0000,$7f0000,$5f0000,true,false) #for grid lines and very bold lines only (vbold=1 ensures it) Grid(last,24,200,10,10,1) Grid(last,24,200,color=255) # vbold lines will not be displayed as large value ensures out of frame Grid(last,24,200,vbold=7000) Grid(last,24,200,grid=false,axis=true)Example:
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