R2 焊接：丝印临时换成器件值 + 摆放优化 + 1:1 器件值打印稿
2026-09-25 为焊接底板与旧版刀片（BLADE-PCB 3b9c4e39c8d164db）： - silk_value.py：隐藏位号、在原位建自由丝印写器件值（Value，没有就用型号）， --restore 按 _silk_value_restore.json 删字并恢复位号。⚠ 再出 Gerber / 下单前必须先 --restore。 - silk_value_plan.py：器件值摆放优化（不压焊盘 / 不重叠 / 不出框 / 避开开槽与金手指区； 软代价：压过孔、压他件本体、离本件远、缩字号）。EDA 默认字体实测字宽 ≈0.78×字高。 - print_value.py：两块板背面镜像 1:1 画在同一张 A4，红框标 1 脚； print/print_1to1.ps1 按 210×297 mm 直送打印机（不经 PDF 阅读器缩放）。 - 数据：_silk_value_geom/_extra（板上读回几何）、_dump/_plan（排位结果）。 Co-Authored-By: Claude Opus 5.5 <[email protected]>
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zhou yang
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# -*- coding: utf-8 -*-
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u"""焊接用**器件值打印稿**：底板 + 旧版刀片，1:1，同一张 A4 竖版（PDF + 600 dpi PNG）。
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/c/Python314/python .claude/r2/print_value.py # 出 .claude/r2/print/value_1to1.pdf / .png
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powershell -ExecutionPolicy Bypass -File .claude/r2/print/print_1to1.ps1 -Image .claude/r2/print/value_1to1.png -Printer "EPSON3F4E59 (L4260 Series)"
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- 两块板都画**背面（器件面）、左右镜像**：和把板子翻过来拿在手里看到的一致，字照常可读。
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- 器件值文字的位置 = `silk_value_plan.py` 排好并下发到 EDA 的位置（`_silk_value_plan.json`）。
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- 焊盘 / 器件 = `_silk_value_geom.json`（板上读回）；红框 = 1 脚（二极管 / 有极性电容 / IC 的方向）。
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- 正面只有大件（插槽、插座、电解、侧键焊盘），列在页脚，不单独画。
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"""
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import io
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import json
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import os
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import sys
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sys.stdout.reconfigure(encoding='utf-8')
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HERE = os.path.dirname(os.path.abspath(__file__))
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sys.path.insert(0, HERE)
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import matplotlib # noqa: E402
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matplotlib.use('Agg')
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import matplotlib.pyplot as plt # noqa: E402
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from matplotlib.patches import Rectangle, Polygon # noqa: E402
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from silk_value_plan import pad_box, nums, M # noqa: E402
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plt.rcParams['font.sans-serif'] = ['Microsoft YaHei', 'DejaVu Sans']
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plt.rcParams['axes.unicode_minus'] = False
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A4 = (210.0, 297.0)
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MM = 1 / 25.4
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OUT = os.path.join(HERE, 'print')
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geom = json.load(io.open(os.path.join(HERE, '_silk_value_geom.json'), encoding='utf-8'))
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extra = json.load(io.open(os.path.join(HERE, '_silk_value_extra.json'), encoding='utf-8'))
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plan = json.load(io.open(os.path.join(HERE, '_silk_value_plan.json'), encoding='utf-8'))
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restore = json.load(io.open(os.path.join(HERE, '_silk_value_restore.json'), encoding='utf-8'))
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dump = json.load(io.open(os.path.join(HERE, '_silk_value_dump.json'), encoding='utf-8'))
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NARROW = matplotlib.font_manager.FontProperties(fname=r'C:\Windows\Fonts\ARIALN.TTF')
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CAP = 0.716 # Arial 大写字高 / em
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def polar(c):
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r = c['ref']
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if r[0] in 'UQDY' or r.startswith('DZ') or r.startswith('J'):
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return True
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fp = c.get('fp') or ''
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return r.startswith('C') and ('CAP-' in fp or 'CASE' in fp)
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def draw(fig, name, uuid, x0, y0):
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g = geom[uuid]
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outline = [(x * M, y * M) for x, y in nums(g['polys'][0])]
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BW = max(p[0] for p in outline)
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BH = max(p[1] for p in outline)
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ax = fig.add_axes([x0 / A4[0], y0 / A4[1], (BW + 2) / A4[0], (BH + 2) / A4[1]])
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ax.set_xlim(BW + 1, -1) # 背面看：左右镜像
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ax.set_ylim(-1, BH + 1)
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ax.set_aspect('equal')
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ax.axis('off')
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ax.add_patch(Polygon(outline, closed=True, fill=False, ec='k', lw=0.6))
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for f in [f for f in extra[uuid]['F'] if f['layer'] == 12]:
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pl = json.loads(f['poly'])['polygon']
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q = [(x * M, y * M) for x, y in nums(pl)]
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if len(q) > 2:
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ax.add_patch(Polygon(q, closed=True, fc='0.8', ec='k', lw=0.3, hatch='///'))
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for p in g['pads']: # 安装孔等自由焊盘
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b = pad_box([p['x'], p['y'], p['rot'], p['layer'], p['pad']])
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ax.add_patch(Rectangle(b[:2], b[2] - b[0], b[3] - b[1], fc='0.35', ec='none'))
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for c in g['comps']:
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bot = c['layer'] == 2
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bs = []
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for p in c['pads']:
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if p['layer'] not in (2, 12):
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continue
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b = pad_box([p['x'], p['y'], p['rot'], p['layer'], p['pad']])
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bs.append(b)
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col = '#d9b64a' if bot else '#e6e6e6'
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ax.add_patch(Rectangle(b[:2], b[2] - b[0], b[3] - b[1], fc=col, ec='none'))
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if bot and p['n'] == '1' and polar(c) and len(c['pads']) >= 2:
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ax.add_patch(Rectangle(b[:2], b[2] - b[0], b[3] - b[1], fill=False, ec='#d00000', lw=0.45))
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if bot and bs:
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x1, y1 = min(b[0] for b in bs) - 0.15, min(b[1] for b in bs) - 0.15
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x2, y2 = max(b[2] for b in bs) + 0.15, max(b[3] for b in bs) + 0.15
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ax.add_patch(Rectangle((x1, y1), x2 - x1, y2 - y1, fill=False, ec='#1a3fa0', lw=0.25))
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texts = {s['id']: s['text'] for s in dump[name]['strings']}
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layer = {s['id']: s['layer'] for s in dump[name]['strings']}
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for sid, x, y, rot, fs in plan[name]['rows']:
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if layer[sid] != 4:
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continue # 正面的写在页脚
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fsm = fs * M
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ax.text(x * M, y * M, texts[sid], fontproperties=NARROW, fontsize=fsm / CAP * 72 / 25.4 * 0.98,
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ha='center', va='center', rotation=rot, color='k')
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return BW, BH
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def ruler(fig, x0, y0, length):
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ax = fig.add_axes([0, 0, 1, 1], facecolor='none')
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ax.set_xlim(0, A4[0])
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ax.set_ylim(0, A4[1])
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ax.axis('off')
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ax.plot([x0, x0 + length], [y0, y0], 'k', lw=0.6)
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for k in range(0, int(length) + 1):
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t = 2.0 if k % 10 == 0 else (1.2 if k % 5 == 0 else 0.6)
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ax.plot([x0 + k, x0 + k], [y0, y0 + t], 'k', lw=0.25)
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ax.text(x0 + length + 2, y0, u'%d mm（打出来量，应为 %.1f）' % (length, length), fontsize=6, va='center')
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def main():
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os.makedirs(OUT, exist_ok=True)
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fig = plt.figure(figsize=(A4[0] * MM, A4[1] * MM))
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txt = fig.add_axes([0, 0, 1, 1], facecolor='none')
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txt.set_xlim(0, A4[0])
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txt.set_ylim(0, A4[1])
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txt.axis('off')
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base, blade = restore['BASE']['pcb'], restore['BLADE']['pcb']
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txt.text(A4[0] / 2, 289, u'PhoneRail R2 焊接图 · 器件值 · 1:1（底板 BASE-PCB + 刀片 BLADE-PCB 旧版）',
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fontsize=9, ha='center', weight='bold')
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txt.text(A4[0] / 2, 284.5, u'两块都是【背面 / 器件面，左右镜像】= 把板子翻过来看到的样子。红框 = 封装 1 脚（IC 定位；二极管多为负极、电解/钽电容为正极）。打印「实际大小 100%」。',
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fontsize=6, ha='center')
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ya = 180.0
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txt.text(56, ya + 100.5, u'底板 98 × 98（背面）', fontsize=7, weight='bold')
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draw(fig, 'BASE', base, 55.0, ya - 1)
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yb = 97.0
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txt.text(60, yb + 69.5, u'刀片 89.5 × 67（背面，金手指朝下）', fontsize=7, weight='bold')
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draw(fig, 'BLADE', blade, 59.25, yb - 1)
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ruler(fig, 20, 86, 80)
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lines = [
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u'正面器件（不在图上）：',
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u' 底板：C2 / C3 = 470uF 25V 电解（注意极性） J26 / J27 = 2510-4A 风扇座 J33 = 1×5P 2.54 排针 J34~J38 = PCIE-64P11L 插槽',
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u' 刀片：J1 = 金手指（不焊） K1~K4 = 侧键焊盘（不焊）',
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u'字号：大多 1.0 mm，挤的地方 0.85 / 0.7 mm。只写了器件值；看位号请开 EDA。',
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u'文件：.claude/r2/print/value_1to1.pdf（print_value.py 生成）',
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]
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for i, s in enumerate(lines):
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txt.text(20, 74 - i * 5, s, fontsize=6.2)
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pdf = os.path.join(OUT, 'value_1to1.pdf')
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png = os.path.join(OUT, 'value_1to1.png')
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fig.savefig(pdf)
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fig.savefig(png, dpi=600)
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print(u'已出 %s / %s' % (pdf, png))
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if __name__ == '__main__':
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main()
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