Usage: gdal_rasterize [-b band]* [-i] [-at]
   {[-burn value]* | [-a attribute_name] | [-3d]} [-add]
   [-l layername]* [-where expression] [-sql select_statement]
   [-dialect dialect] [-of format] [-a_srs srs_def]
   [-co "NAME=VALUE"]* [-a_nodata value] [-init value]*
   [-te xmin ymin xmax ymax] [-tr xres yres] [-tap] [-ts width height]
   [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/
         CInt16/CInt32/CFloat32/CFloat64}] [-q]
   <src_datasource> <dst_filename>

##Rasterize_GDAL_KRK=name
 ##Input=vector
 ##Output=output raster
 ##Extent=extent
 ##cellsize=number 25

import os, processing, osgeo.gdal

processing.runalg('gdalogr:rasterize',
                                        {"INPUT":Input,
                                        "FIELD":"KRK_1",
                                        "DIMENSIONS":1,
                                        "WIDTH":cellsize,
                                        "HEIGHT":cellsize,
                                        "RAST_EXT":Extent,
                                        "TFW":0,
                                        "RTYPE":0,
                                        "NO_DATA":None,
                                        "COMPRESS":0,
                                        "JPEGCOMPRESSION":1,
                                        "ZLEVEL":1,
                                        "PREDICTOR":1,
                                        "TILED":False,
                                        "BIGTIFF":3,
                                        "EXTRA": None,
                                        "OUTPUT":Output})

##Rasterize_GDAL_KRK=name
##Input=vector
##Output=output raster
##Extent=extent
##cellsize=number 25

import os, gdal
import processing


ex = Extent.split(',')
ext = str(ex[0]) + "," + str(ex[1]) + "," + str(ex[2]) + "," + str(ex[3])

com_string = "gdal_rasterize -a KRK_1 -ot 0 -of GTiff -te " +  ext + " -tr " + str(cellsize) +" " + str(cellsize) + " -co COMPRESS=NONE -co BIGTIFF=IF_NEEDED -l " + str(Input)
os.system(com_string)