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Besides headers, cv-calc roi and draw operations can now read the shapes from csv files. To incorporate this, usual csv options have also been added to the shape attributes and the comma separated format of specifying shape attributes has been marked deprecated.

If the shapes have (reverse) index fields it will draw / apply all the shapes in the block in each file on single image, otherwise it takes only one shape per file.

If the shapes have file has field t (timestamp fields ), then the shapes in the block are drawn only to the image with corresponding timestamp, otherwise it is done sequentiallyeach block of shapes is drawn on the next available image (see cv-calc --help for details).

To try following examples, download this image.