From 9e8c1f4ca856a1a246bcb6714f6795616e9b1f6a Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Thu, 11 Nov 2021 16:54:14 -0500
Subject: [PATCH] start Excellon
---
modules/path/formats/gerber | 66 +++++++++++++++++++++++++++++++++++--
1 file changed, 64 insertions(+), 2 deletions(-)
diff --git a/modules/path/formats/gerber b/modules/path/formats/gerber
index cdea4b1..13dd048 100644
--- a/modules/path/formats/gerber
+++ b/modules/path/formats/gerber
@@ -1,8 +1,7 @@
//
// path to Gerber
//
-// Neil Gershenfeld
-// (c) Massachusetts Institute of Technology 2021
+// Neil Gershenfeld 11/11/21
//
// This work may be reproduced, modified, distributed, performed, and
// displayed for any purpose, but must acknowledge the mods
@@ -157,6 +156,69 @@ function plot() {
obj.contents = str
outputs.Gerber.event(obj)
}
+ else if (mod.drill.checked == true) {
+ var ds = []
+ var xs = []
+ var ys = []
+ var sx,sy,sd,x0,y0,d0
+ for (var seg = 0; seg < mod.path.length; ++seg) {
+ //
+ // find center
+ //
+ sx = sy = 0
+ for (var pt = 0; pt < mod.path[seg].length; ++pt) {
+ sx += imgwidth*mod.path[seg][pt][0]V/(mod.imageInfo.width-1)
+ sy += imgheight*mod.path[seg][pt][1]/(mod.imageInfo.height-1)
+ }
+ x0 = sx/mod.path[seg].length
+ y0 = sy/mod.path[seg].length
+ sd = 0
+ //
+ // find diameter
+ //
+ for (var pt = 0; pt < mod.path[seg].length; ++pt) {
+ x = imgwidth*mod.path[seg][pt][0]V/(mod.imageInfo.width-1)
+ y = imgheight*mod.path[seg][pt][1]/(mod.imageInfo.height-1)
+ sd += 2*Math.sqrt((x-x0)*(x-x0)+(y-y0)*(y-y0))
+ }
+ d0 = sd/mod.path[seg].length
+ xs.push(x0)
+ ys.push(y0)
+ ds.push(d0)
+ }
+ //
+ // sort diameters
+ //
+ var drills = {}
+ for (var hole = 0; hole < ds.length; ++hole) {
+ key = str(ds[hole].toFixed(2)
+ if (key in drills)
+ drills[key].push(hole)
+ else
+ drills[key] = [hole]
+ }
+ //
+ // write file
+ //
+ str += "M48\n"
+ str += "INCH,LZ\n"
+ str += "T01C0.02\n"
+ str += "M95\n"
+ str += "G05\n"
+ str += "T01\n"
+ str += "X6500Y4500\n"
+ for (var key in drills) {
+ for (var hole in drills[key].length) {
+ str += key+' '+hole+'\n'
+ }
+ }
+ str += "M30\n"
+ var obj = {}
+ obj.type = 'file'
+ obj.name = mod.imageInfo.name+'-drill.gbr'
+ obj.contents = str
+ outputs.Gerber.event(obj)
+ }
}
//
// return values
--
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