Index: line_speed/README
===================================================================
--- line_speed/README	(nonexistent)
+++ line_speed/README	(revision 37239)
@@ -0,0 +1,6 @@
+exporting copper traces and silk graphics is slow because of the large number
+of individual objects.
+
+
+Workaround #1: pixmap/: export pixmap data and use that as height map; compiles
+fast, renders slow.
Index: line_speed/pixmap/A.scad
===================================================================
--- line_speed/pixmap/A.scad	(nonexistent)
+++ line_speed/pixmap/A.scad	(revision 37239)
@@ -0,0 +1,28 @@
+// Round cap line
+module pcb_line_rc(x1, y1, length, angle, width, thick) {
+	translate([x1,y1,0]) {
+union() {
+
+		rotate([0,0,angle]) {
+			translate([length/2+2, 0, 0])
+				cube([length-8, width, thick], center=true);
+//			cylinder(r=width/2, h=thick, center=true, $fn=3);
+//			translate([length, 0, 0])
+//				cylinder(r=width/2, h=thick, center=true, $fn=3);
+		}
+	}
+	}
+}
+
+if (0)
+for(y=[1:8000]) {
+	pcb_line_rc(1, y, 20, 0, 0.5, 0.1);
+	pcb_line_rc(41, y, 20, 0, 0.5, 0.1);
+//	pcb_line_rc(21, y, 20, 0, 0.5, 0.1);
+}
+
+difference() {
+	translate([0,0,4])
+		surface(file = "A.dat", center = true, convexity = 5);
+	cube([100, 100, 3]);
+}
Index: line_speed/pixmap/gen.sh
===================================================================
--- line_speed/pixmap/gen.sh	(nonexistent)
+++ line_speed/pixmap/gen.sh	(revision 37239)
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+awk '
+	BEGIN {
+	for(y = 0; y < 190; y++) {
+		for(x = 0; x < 190; x++)
+			printf("%.0f ", sin((x+y)/10)*2)
+		print ""
+	}
+	}
+' > A.dat

Property changes on: line_speed/pixmap/gen.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property