import re
import matplotlib.pyplot as plt

def extract_coordinates(gcode_file, section_filter=None):
    coords = []
    in_section = section_filter is None

    with open(gcode_file, 'r') as f:
        for line in f:
            if section_filter and section_filter in line:
                in_section = True
            if in_section:
                match = re.search(r'G1.*X([\d.-]+).*Y([\d.-]+)', line)
                if match:
                    coords.append((float(match.group(1)), float(match.group(2))))
    return coords

coords = extract_coordinates('file.gcode')
if coords:
    x, y = zip(*coords)
    plt.figure(figsize=(15, 5))
    plt.plot(x, y, 'b-', linewidth=0.5)
    plt.scatter(x, y, s=1, c='red')
    plt.axis('equal')
    plt.title('GCODE Toolpath')
    plt.savefig('toolpath.png', dpi=150)
    plt.show()