Before using the roto brush it is a good idea to select a small portion of the video seconds may be enough. This way you will immeiately understand what type of work awaits you and whether you will like the result. Use the b and n shortcuts to select a portion of video in the timeline. Double click the video layer it will open in a separate window and set the resolution to full and zoom in to to see the results. Start using the roto brush by going up the toolbar or using the altw shortcut .
Just hold down the alt option
Now. You can adjust the brush tip with the ctrl shortcut C Level Contact List on pc and mac and dragging the mouse from right to left. A thick tip will help you locate large. Smooth areas more easily. While a small tip will help you clean the mask. If you have selecte excess areas. Button and draw the area you want to remove with the roto brush. Just press the space bar to start the socalle frame by frame propagation of the mask after effects will follow the contours you identifie in the reference frame for the duration of the video you selecte here.
Order to make animate writing
S a quick video summary as you can see in the effects panel on the left you also have several options to control the result of the mask. Such as contrast. Ege movement AGB Directory and feathering. Conclusions if you are trying to isolate a moving subject in a video in appear behind it. The tool to use in adobe after effects is the roto brush tool. The logic of this tool is similar to that of selections and masks in adobe photoshop. If you are taking your first steps in after effects.
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