FILE_LAYOUT.txt

// Data is stored in Little Endian byte order
- Header. Length: 16 Byte
"IonSolver setup\n" 16 Byte

- Saved LbmConfig. Does not save the graphics config. Length: 62 Bytes
velocity_set: 1 Byte (u8 casted enum)
relaxation_time: 1 Byte (u8 casted enum)
float_type: 1 Byte (u8 casted enum)
unit_m: 4 Byte (f32)
unit_kg: 4 Byte (f32)
unit_s: 4 Byte (f32)
unit_a: 4 Byte (f32)
n_x: 4 Byte (u32)
n_y: 4 Byte (u32)
n_z: 4 Byte (u32)
fixed_domains: 1 Byte (bool) // Should the following domain sizes be used or dynamically generated?
d_x: 4 Byte (u32)
d_y: 4 Byte (u32)
d_z: 4 Byte (u32)
nu: 4 Byte (f32)
fx: 4 Byte (f32)
fy: 4 Byte (f32)
fz: 4 Byte (f32)
extensions: 1 Byte (4 bools in a u8) // bit 0: equilibrium_boundaries; bit 1: volume_force; bit 2: force_field; bit 3: magneto_hydro
induction_range: 1 byte (u8)

N = n_x * n_y * n_z // N is total number of cells, derived from other values

// all values of one type together to make reading easier

--Section Flags: N Byte--
    flags: 1 Byte (u8)

--Section Densities: 4N Byte--
    density: 4 Byte (f32)

--Section Velocities: 12N Byte--
    // split into sections for x, y and z like in opencl code
    velocity: 12 Byte (f32; 3)

--Section Charges: 4N Byte-- // charges in fluid, different from fixed charges
    charge: 4 Byte (f32)

// Length of these is not related to Sim size -------------------------------------------------

N_C: 4 Byte (u32) // number of fixed charges, only relevant for reading, discarded after

--Section Fixed Charges: 12N_C Byte--
    //u64 cell index and f32 Charge
    index: 8 Byte (u64)
    charge: 4 Byte (f32)

N_M: 4 Byte (u32) // number of magnets, only relevant for reading, discarded after

--Section Magnets: 20N_M Byte--
    //u64 cell index and 3*f32 magnetization vector
    index: 8 Byte (u64)
    magnetization: 12 Byte (f32; 3)

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