Using the Object Mosaic filter
The Object Mosaic command creates sharp definition in an image by clustering pixels of similar color values together into individual tiles. You can control the tile size, the spacing between tiles, and the total number of tiles, and you can preserve the proportions of the original image when creating the mosaic copy. The Object Mosaic filter works with any bitmap image format that Illustrator can place, and with image objects created with the Rasterize commands. The Object Mosaic filter creates a tiled vector version of the bitmap image. You can choose to keep the original image or delete it.
To create a tiled effect on a copy of a bitmap image: - Select an image object. The image must be embedded, not linked. (See Embedding linked artwork.)
- Choose Filter > Create > Object Mosaic.
The dimensions of the bitmap image are displayed at the top left of the Object Mosaic dialog box. - Do any of the following:
- To set the width and height of the mosaic in points, enter values for New Size.
- To set the distance in points between each tile in the mosaic, enter values for Tile Spacing.
- To set the number of tiles horizontally and vertically in the mosaic, enter values for Number of Tiles.
- To lock the width or height dimensions to those of the original bitmap image, choose Width or Height for the Constrain Ratio option. Width calculates the appropriate number of tiles to use for the width of the mosaic, based on the original number of tiles for the width. Height calculates the appropriate number of tiles to use for the height of the mosaic, based on the original number of tiles for the height.
- To have the result appear as a color or grayscale image, select Color or Gray.
- To change the size of the image by percentages of width and height, select Resize Using Percentages and enter new percentages in the Width and Height text boxes.
- To delete the original bitmap image, select Delete Raster.
- To make tiles square, using the number of tiles specified in Number of Tiles, click Use Ratio.
- Click OK.
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