Classification based printing material set selection

A method for classification based printing material set selection comprising:

• analyzing a preliminary rendering of print data to classify each object of a plurality of objects of the preliminary rendering by determining a printing material combination for printing each object, wherein an object includes a predetermined number of adjacently disposed pixels;
• determining, based on an analysis of each of the classified objects, a superset of printing materials for all of the plurality of objects, wherein the superset of printing materials includes printing materials common to all of the plurality of objects;
• selecting, based on the determination of the superset of printing materials for all of the plurality of objects, a set of printing materials from a plurality of available printing materials that is to be activated for a print job specified by the print data;
• generating, by a processor, raster data based at least in part on a further rendering of the print data and the set of selected printing materials;
• and
• generating further print data including the raster data and the set of selected printing materials.

A non-transitory computer readable medium having stored thereon machine readable instructions to provide classification based printing material set selection, the machine readable instructions, when executed, cause a processor to:

• generate a preliminary rendering of print data;
• analyze the preliminary rendering to identify a set of active printing materials for the print data based at least in part on a pixel threshold filter by
• determining, for each object of a plurality of objects of the preliminary rendering, whether a number of pixels of an object that include a specified printing material from a set of available printing materials is greater than a pixel object threshold of the pixel threshold filter, wherein the object includes a plurality of adjacently disposed pixels, and
• in response to a determination, for each object of the plurality of objects of the preliminary rendering, that the number of pixels of the object that include the specified printing material from the set of available printing materials is greater than the pixel object threshold of the pixel threshold filter, adding the specified printing material to the set of active printing materials;
• generate raster data based at least in part on a further rendering of the print data and the set of active printing materials;
• and
• generate further print data including the raster data and the set of active printing materials.