gammex

gammex_phantom.py

from pylinac.cheese import CheeseModule, CheesePhantomBase

class GammexRMIModule(CheeseModule):
    """The pluggable module with user-accessible holes.

    The ROIs of each circle are ~45 degrees apart.
    """

    common_name = "Gammex electron density"
    outer_radius_mm = 106
    inner_radius_mm = 54
    roi_radius_mm = 12
    roi_settings = {
        "1": {
            "angle": -90,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "2": {
            "angle": -67.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "3": {
            "angle": -45,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "4": {
            "angle": -22.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "5": {
            "angle": 0,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "6": {
            "angle": 22.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "7": {
            "angle": 45,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "8": {
            "angle": 67.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "9": {
            "angle": 90,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "10": {
            "angle": 112.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "11": {
            "angle": 135,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "12": {
            "angle": 157.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "13": {
            "angle": 180,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "14": {
            "angle": 202.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
        "15": {
            "angle": 225,
            "distance": inner_radius_mm,
            "radius": roi_radius_mm,
        },
        "16": {
            "angle": 247.5,
            "distance": outer_radius_mm,
            "radius": roi_radius_mm,
        },
    }


class GammexPhantom(CheesePhantomBase):
    """A class for analyzing the Gammex Phantom containing insert holes and plugs for HU analysis."""

    _model = "Gammex"
    air_bubble_radius_mm = 55
    clear_borders = False
    hu_origin_slice_variance = 200
    localization_radius = 106
    min_num_images = 10
    catphan_radius_mm = 165
    roi_config: dict
    module_class = GammexRMIModule
    module: GammexRMIModule