Added line parser method

.gitignore

@@ -0,0 +1 @@
+data/

README.md

@@ -1 +1,5 @@
 Repository for the development of an Attitude Determination System for the SETH experiment. This is Nicolas Bachelor Thesis.
+
+I have a directory data/ in the repo in which all data for the junior flight is in a sub-directory called junior/
+
+att_eval.py i the main script for evaluation

att_eval.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+"""
+Author: Nicolas Rohrbeck
+Program to read .EI files of SETH jr. (CRYSTAL) to determine the gondolas attitude
+"""
+import numpy as np
+
+def twos_complement(input: np.ndarray) -> np.ndarray:
+        """
+        Converts a 16 bit unsigned integer to a signed integer with respect to the twos complement origin of the number
+        """
+        vhex = np.vectorize(hex)
+        return vhex(input)
+
+def line_parser(line: str) -> tuple[np.ndarray, np.ndarray]:
+    """
+    Parses magnetometer and accelerometer vectors from a line of data and returns a tuple of two numpy arrays
+    """
+    if line.split(" ")[0] == "ID": # only perfrom on ID lines maybe put this in the function calling the parser?
+        split_line = line.split(" ")
+        mag1: np.ndarray = np.array(split_line[12:66], dtype=np.uint16).reshape(18, 3) # np.array with 18 rows of 3 vectors
+        mag2: np.ndarray = np.array(split_line[131:], dtype=np.uint16).reshape(1, 3) # the slices differ from i2c.py by 1 because of the line header, "ID"
+        mags: np.ndarray = np.vstack((mag1, mag2)) # now has shape (19, 3)
+        accs : np.ndarray = np.array(split_line[68:131], dtype=np.uint16).reshape(21, 3)
+        return (mags, accs)
+
+def gauss_converter(input: np.ndarray) -> np.ndarray:
+    """
+    Converts array of raw magnetometer data (two's complement) to array in gauss with formula: magnetic_intensity (in gauss) = raw_data / sensitivity
+    """
+    sensitivity = 6842 # LSB/gauss
+    return twos_complement(input) #/ sensitivity
+
+class ads:
+    def __init__(self, filepath: str, verbosity: int = 0) -> None:
+        self.filepath: str = filepath
+        self.filename: str = filepath.split("/")[-1].split(".")[0]
+        self.v: int = verbosity # how much info is to be printed, 0 is the lowest
+
+    def __str__(self):
+        return f"path: {self.filepath} \nfilename: {self.filename}"
+
+
+if __name__ == "__main__" :
+    an_instance = ads("c:/Users/nicol/OneDrive/Dokumente/Python Scripts/ADS/data/junior/2025-03-12-pizerotest-1.EI")
+    longstring = "ID 4805 132 167 64916 63426 56860 0 135 0 0 0 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 64916 63426 56860 8239 167 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 64916 63426 56860"
+    print(gauss_converter(line_parser(longstring)[0]))