From b6164aabeae8d2ff758280f8cb025ac638c518db Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Fri, 2 Aug 2024 11:31:44 +0200
Subject: [PATCH] Initial commit

---
 secondary_mesh_planning.py | 79 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 secondary_mesh_planning.py

diff --git a/secondary_mesh_planning.py b/secondary_mesh_planning.py
new file mode 100644
index 0000000..7d3eb64
--- /dev/null
+++ b/secondary_mesh_planning.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+
+import math
+from pathlib import Path
+import webbrowser
+
+from gerbonara.utils import setup_svg, Tag, MM, rotate_point
+import click
+
+@click.command()
+@click.option('--steps', type=int, default=4)
+@click.option('--mesh-thickness', type=float, default=1.6)
+@click.option('--offset', type=float, default=10)
+@click.option('--mesh-space', type=float, default=3)
+@click.option('--mesh-width', type=float, default=15)
+@click.option('--start', type=click.Choice(['center', 'offset']))
+@click.option('--initial-radius', type=float, default=14)
+@click.argument('out_svg', type=click.Path(dir_okay=False, path_type=Path))
+def cli(out_svg, mesh_thickness, offset, mesh_space, mesh_width, start, initial_radius, steps):
+    tags = []
+
+    circle = lambda pt, r, c, w=0.2: Tag('circle', stroke=c, fill='none', stroke_width=w, cx=pt[0], cy=pt[1], r=r)
+
+    current_radius = initial_radius
+
+    def ring(pt, c):
+        nonlocal current_radius
+
+        c_line = c.format(100)
+        c_area = c.format(30)
+
+        r1 = current_radius
+        r2 = math.hypot(mesh_width/2, r1 + mesh_thickness)
+
+        tags.append(circle(pt, (r1+r2)/2, c_area, r2-r1))
+        tags.append(circle(pt, r1, c_line))
+        tags.append(circle(pt, r2, c_line))
+
+        px, py = pt
+        tags.append(Tag('rect', x=px + r1, y=py-mesh_width/2, width=mesh_thickness, height=mesh_width,
+                        fill=c_line))
+        tags.append(Tag('rect', x=px - r1 - mesh_thickness, y=py-mesh_width/2, width=mesh_thickness, height=mesh_width,
+                        fill=c_line))
+
+        current_radius = r2
+
+    crosshairs = lambda pt, s=3: Tag('path', fill='none', stroke_width=0.4, stroke='black',
+                    d=f'M {pt[0]-s},{pt[1]} h {2*s} m {-s},{s} v {-2*s}')
+
+    current_point = (0, 0)
+    next_point = (offset, 0)
+
+    tags.append(crosshairs(current_point))
+    tags.append(crosshairs(next_point))
+
+    current_color = 'hsl(0 80% 50% / {}%)'
+    next_color = 'hsl(240 80% 50% / {}%)'
+
+    if start == 'offset':
+        current_point, next_point = next_point, current_point
+        current_color, next_color = next_color, current_color
+
+    #if (r := offset - mesh_space - initial_radius) > 0:
+    #    ring(next_point, next_color)
+
+    for i in range(steps):
+        print(f'Radius at step {i}: {current_radius:.2f} mm')
+        ring(current_point, current_color)
+        current_radius += mesh_space + offset
+
+        current_point, next_point = next_point, current_point
+        current_color, next_color = next_color, current_color
+
+    r_max = current_radius + offset
+    out_svg.write_text(str(setup_svg(tags, bounds=((-r_max, -r_max), (+r_max, +r_max)), margin=3)))
+
+
+if __name__ == '__main__':
+    cli()