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Retrieves information about an attribute.
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Creates a new raster image.
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Terminates the GR interface session.
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Terminates access to a raster image.
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Retrieves the number of raster images and the number of global attributes in the file.
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Finds the index of a data object's attribute given an attribute name.
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Reads the values of an attribute for a data object.
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Raster image identifier returned by GRcreate or GRselect
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Retrieves raster image data compression type and compression information.
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Retrieves general information about a raster image.
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Gets the identifier of a palette given its index.
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Retrieves information about a palette.
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Retrieves the number of palettes for an image.
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Maps a raster image identifier to a reference number.
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Maps a palette identifier to a reference number.
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Maps the name of a raster image to an index.
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Reads a data chunk from a chunked raster image (pixel-interlace only)
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Raster image identifier returned by GRcreate or GRselect
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Reads a palette.
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Maps the reference number of a raster image to an index.
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Specifies the interlace mode to be used in the subsequent raster image read operation(s).
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Specifies the interlace mode to be used in the next palette read operation(s).
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Selects the existing raster image.
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Assigns an attribute to a raster image or a file.
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Specifies if the raster image will be stored in a file as a compressed raster image.
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Makes a raster image a chunked raster image.
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Specifies the maximum number of chunks to cache.
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Specifies that the raster image will be written to an external file.
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Initializes the GR interface.
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Writes a data chunk to a chunked raster image (pixel-interlace only)
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Writes a raster image.
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Writes a palette.
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