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Vector overlay is an operation (or class of operations) in a geographic information system (GIS) for integrating two or more vector spatial data sets. Terms such as polygon overlay , map overlay , and topological overlay are often used synonymously, although they are not identical in the range of operations they include.
However, often sequences of timelines (and streaklines) at different instants—being presented either in a single image or with a video stream—may be used to provide insight in the flow and its history. If a line, curve or closed curve is used as start point for a continuous set of streamlines, the result is a stream surface. In the case of ...
Overlay combines Multiply and Screen blend modes. [4] Where the base layer is light, the top layer becomes lighter; where the base layer is dark, the top becomes darker; where the base layer is mid grey, the top is unaffected. An overlay with the same picture looks like an S-curve.
Before animation begins, a preliminary soundtrack or scratch track is recorded so that the animation may be more precisely synchronized to the soundtrack. Given the slow manner in which traditional animation is produced, it is almost always easier to synchronize animation to a preexisting soundtrack than it is to synchronize a soundtrack to pre-existing animation.
If the content is Flash video being served by Adobe Flash Media Server 4.5, the server will translate and send the video as HTTP Dynamic Streaming or HTTP Live Streaming, both of which can be played by iOS devices. [165] Some specialized mobile browsers manage to accommodate Flash via streaming content from the cloud directly to a user's device.