fix: Duplicated arrowhead drawing (#1709)

igraph · Feb 21, 2025 · 1176a04 · 1176a04
1 parent 3764c00
commit 1176a04
Showing 1 changed file with 8 additions and 8 deletions.
diff --git a/R/plot.R b/R/plot.R
@@ -1007,14 +1007,14 @@ igraph.Arrows <-
       p.x2 <- rep(bx2, Rep)
       p.y2 <- rep(by2, Rep)
       ttheta <- rep(theta, Rep) + rep(deg.arr, lx)
-      r.arr <- rep(r.arr, lx)
+      r.arr.rep <- rep(r.arr, lx)
       if (open) {
-        lines((p.x2 + r.arr * cos(ttheta) / uin[1]),
-          (p.y2 + r.arr * sin(ttheta) / uin[2]),
+        lines((p.x2 + r.arr.rep * cos(ttheta) / uin[1]),
+          (p.y2 + r.arr.rep * sin(ttheta) / uin[2]),
           lwd = h.lwd, col = h.col.bo, lty = h.lty
         )
       } else {
-        polygon(p.x2 + r.arr * cos(ttheta) / uin[1], p.y2 + r.arr * sin(ttheta) / uin[2],
+        polygon(p.x2 + r.arr.rep * cos(ttheta) / uin[1], p.y2 + r.arr * sin(ttheta) / uin[2],
           col = h.col, lwd = h.lwd,
           border = h.col.bo, lty = h.lty
         )
@@ -1037,15 +1037,15 @@ igraph.Arrows <-
       p.x2 <- rep(x2, Rep)
       p.y2 <- rep(y2, Rep)
       ttheta <- rep(theta, Rep) + rep(deg.arr, lx)
-      r.arr <- rep(r.arr, lx)
+      r.arr.rep <- rep(r.arr, lx)
 
       if (open) {
-        lines((p.x2 + r.arr * cos(ttheta) / uin[1]),
-          (p.y2 + r.arr * sin(ttheta) / uin[2]),
+        lines((p.x2 + r.arr.rep * cos(ttheta) / uin[1]),
+          (p.y2 + r.arr.rep * sin(ttheta) / uin[2]),
           lwd = h.lwd, col = h.col.bo, lty = h.lty
         )
       } else {
-        polygon(p.x2 + r.arr * cos(ttheta) / uin[1], p.y2 + r.arr * sin(ttheta) / uin[2],
+        polygon(p.x2 + r.arr.rep * cos(ttheta) / uin[1], p.y2 + r.arr.rep * sin(ttheta) / uin[2],
           col = h.col, lwd = h.lwd,
           border = h.col.bo, lty = h.lty
         )