[Emc-commit] master: another fix for helical arcs

[Jeff E. <gi...@gi...>]

another fix for helical arcs



http://git.linuxcnc.org/?p=emc2.git;a=commitdiff;h=2d8ea42

---
 src/emc/rs274ngc/gcodemodule.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/emc/rs274ngc/gcodemodule.cc b/src/emc/rs274ngc/gcodemodule.cc
index b2ad6e0..781c49d 100644
--- a/src/emc/rs274ngc/gcodemodule.cc
+++ b/src/emc/rs274ngc/gcodemodule.cc
@@ -897,7 +897,7 @@ static PyObject *rs274_arc_to_segments(PyObject *self, PyObject *args) {
 
     double tx = o[X] - cx, ty = o[Y] - cy, dc = cos(dtheta*rsteps), ds = sin(dtheta*rsteps);
     for(int i=0; i<steps-1; i++) {
-        double f = i * rsteps;
+        double f = (i+1) * rsteps;
         double p[9];
         rotate(tx, ty, dc, ds);
         p[X] = tx + cx;