else
command=strprintf("convert -depth 8 -size %dx%d rgb:-[0] -density %dx%d \"%s\"\n",desc.get_w(),desc.get_h(),round_to_int(desc.get_x_res()/39.3700787402),round_to_int(desc.get_y_res()/39.3700787402),filename.c_str());
else
command=strprintf("convert -depth 8 -size %dx%d rgb:-[0] -density %dx%d \"%s\"\n",desc.get_w(),desc.get_h(),round_to_int(desc.get_x_res()/39.3700787402),round_to_int(desc.get_y_res()/39.3700787402),filename.c_str());