The following sections describe how to prepare an ImageCollection for getFilmstripThumbURL() produces a thumbnail image series.getVideoThumbURL() produces an animated image series.Methods provide a quick assessment of the contents of an ImageCollectionĪnd an effective medium for witnessing spatiotemporal change (Figure 1). Images composing an ImageCollection can be visualized as either anĪnimation or a series of thumbnails referred to as a “filmstrip”.