Rasterize Vector to 72dpi

raster_vector_blitline.json

{
    "application_id": "YOUR_APP_ID",
    "pre_process": [
        {
            "job": {
                "src": "http://reboots.g-cipher.net/time/nixie-hvps.pdf",
                "src_data": {
                    "dpi": 231
                },
                "functions": [
                    {
                        "name": "no_op",
                        "save": {
                            "image_identifier": "my_image",
                            "extension" : "png",
                          	"save_metadata": true
                        }
                    }
                ]
            }
        }
    ],
    "src": "&my_image",
    "v": "1.18",
    "functions": [
        {
            "name": "resize",
            "params": {
                "scale_factor": 1.0
            },
            "functions": [
                {
                    "name": "convert_to_dpi",
                    "params": {
                        "dpi": 72
                    },
                    "save": {
                        "image_identifier": "0",
                        "extension" : "png",
                        "save_metadata": true
                    }
                }
            ]
        },
        {
            "name": "resize",
            "params": {
                "scale_factor": 0.5
            },
            "functions": [
                {
                    "name": "sharpen",
		            "functions": [
		                {
		                    "name": "convert_to_dpi",
		                    "params": {
		                        "dpi": 72
		                    },
		                    "save": {
		                        "image_identifier": "1",
	                            "extension" : "png",
	                            "save_metadata": true
		                    }
		                }
		            ]
                }
            ]
        },
        {
            "name": "resize",
            "params": {
                "scale_factor": 0.25
            },
            "functions": [
                {
                    "name": "sharpen",
		            "functions": [
		                {
		                    "name": "convert_to_dpi",
		                    "params": {
		                        "dpi": 72
		                    },
		                    "save": {
		                        "image_identifier": "2",
	                            "save_metadata": true,
	                            "extension" : "png"
		                    }
		                }
		            ]
                }
            ]
        }
    ]
}