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Diffstat (limited to 'Master/texmf-dist/fonts/source/public/fdsymbol/fdarrows.mf')
-rw-r--r--Master/texmf-dist/fonts/source/public/fdsymbol/fdarrows.mf678
1 files changed, 375 insertions, 303 deletions
diff --git a/Master/texmf-dist/fonts/source/public/fdsymbol/fdarrows.mf b/Master/texmf-dist/fonts/source/public/fdsymbol/fdarrows.mf
index 01b36a12f9b..720c9c8a16e 100644
--- a/Master/texmf-dist/fonts/source/public/fdsymbol/fdarrows.mf
+++ b/Master/texmf-dist/fonts/source/public/fdsymbol/fdarrows.mf
@@ -13,26 +13,26 @@ enddef;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "single arrow (" & decimal alpha & ")";
draw_line(foot_ex, head, false);
- draw_arrowhead(head, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 6/5, ifneg(19/10, 13/10) * arrow_spread#); "double arrow (" & decimal alpha & ")";
- z1 - z0 = z3 - z2 = equal_spread * dir (arrow_dir + 90);
+ z1 - z0 = z3 - z2 = equal_spread * dir (alpha + 90);
1/2[z0,z1] = foot_ex;
1/2[z2,z3] = head;
- draw_line(z0, arrowhead_intersection(head, arrow_dir, 13/10arrow_spread, z0 -- z2), false);
- draw_line(z1, arrowhead_intersection(head, arrow_dir, 13/10arrow_spread, z1 -- z3), false);
- draw_arrowhead(head, arrow_dir, 13/10arrow_spread, line_thickness);
+ draw_line(z0, arrowhead_intersection(head, alpha, 13/10arrow_spread, z0 -- z2), false);
+ draw_line(z1, arrowhead_intersection(head, alpha, 13/10arrow_spread, z1 -- z3), false);
+ draw_arrowhead(head, alpha, 13/10arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - arrow_spread * dir arrow_dir], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - arrow_spread * dir alpha], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -40,8 +40,8 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 6/5, ifneg(3/2, 1) * arrow_spread#); "bidirectional arrow (" & decimal alpha & ")";
draw_line(foot, head, false);
- draw_arrowhead(head, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead(foot, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(foot, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
@@ -51,14 +51,14 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 7/5, ifneg(19/10, 13/10) * arrow_spread#); "double bidirectional arrow (" & decimal alpha & ")";
- z1 - z0 = z3 - z2 = equal_spread * dir (arrow_dir + 90);
+ z1 - z0 = z3 - z2 = equal_spread * dir (alpha + 90);
1/2[z0,z1] = foot;
1/2[z2,z3] = head;
- draw_line(arrowhead_intersection(foot, arrow_dir+180, 13/10arrow_spread, z0 -- z2), arrowhead_intersection(head, arrow_dir, 13/10arrow_spread, z0 -- z2), false);
- draw_line(arrowhead_intersection(foot, arrow_dir+180, 13/10arrow_spread, z1 -- z3), arrowhead_intersection(head, arrow_dir, 13/10arrow_spread, z1 -- z3), false);
- draw_arrowhead(head, arrow_dir, 13/10arrow_spread, line_thickness);
- draw_arrowhead(foot, arrow_dir+180, 13/10arrow_spread, line_thickness);
+ draw_line(arrowhead_intersection(foot, alpha+180, 13/10arrow_spread, z0 -- z2), arrowhead_intersection(head, alpha, 13/10arrow_spread, z0 -- z2), false);
+ draw_line(arrowhead_intersection(foot, alpha+180, 13/10arrow_spread, z1 -- z3), arrowhead_intersection(head, alpha, 13/10arrow_spread, z1 -- z3), false);
+ draw_arrowhead(head, alpha, 13/10arrow_spread, line_thickness);
+ draw_arrowhead(foot, alpha+180, 13/10arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
@@ -69,22 +69,22 @@ endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 5/4, ifneg(3/2, 1) * arrow_spread#); "double-head arrow (" & decimal alpha & ")";
draw_line(foot_ex, head, false);
- draw_arrowhead(head, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead(head - 1/4arrow_len * dir arrow_dir, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(head - 1/4arrow_len * dir alpha, alpha, arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - (1/2arrow_spread + 1/4arrow_len) * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - (1/2arrow_spread + 1/4arrow_len) * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "tailed arrow (" & decimal alpha & ")";
- z0 = foot + 1/2arrow_spread * dir arrow_dir;
+ z0 = foot + 1/2arrow_spread * dir alpha;
draw_line(z0, head, false);
- draw_arrowhead(head, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead(z0, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(z0, alpha, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
@@ -92,14 +92,31 @@ for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
endchar;
endfor;
-for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
+for alpha = 0, 90, 180, 270:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "arrow with foot (" & decimal alpha & ")";
draw_line(foot, head, false);
draw_line(foot - 1/2arrow_spread * dir (alpha + 90), foot + 1/2arrow_spread * dir (alpha + 90), true);
- draw_arrowhead(head, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0, 90, 180, 270:
+ beginarrow(alpha, 6/5, ifneg(19/10, 13/10) * arrow_spread#); "double arrow with foot (" & decimal alpha & ")";
+ z1 - z0 = z3 - z2 = equal_spread * dir (alpha + 90);
+ 1/2[z0,z1] = foot_ex;
+ 1/2[z2,z3] = head;
+
+ draw_line(z0, arrowhead_intersection(head, alpha, 13/10arrow_spread, z0 -- z2), false);
+ draw_line(z1, arrowhead_intersection(head, alpha, 13/10arrow_spread, z1 -- z3), false);
+ draw_line(foot - 13/20arrow_spread * dir (alpha + 90), foot + 13/20arrow_spread * dir (alpha + 90), true);
+ draw_arrowhead(head, alpha, 13/10arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -108,24 +125,24 @@ for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "left embedding (" & decimal alpha & ")";
thick := line_thickness;
- z0 = foot + 1/4arrow_spread * dir(arrow_dir + 90);
- 1/2[z1,z2] = z0 + 1/4arrow_spread * dir arrow_dir;
- z2 = z1 + 1/2arrow_spread * dir (arrow_dir + 90);
+ z0 = foot + 1/4arrow_spread * dir(alpha + 90);
+ 1/2[z1,z2] = z0 + 1/4arrow_spread * dir alpha;
+ z2 = z1 + 1/2arrow_spread * dir (alpha + 90);
z3 = head;
- z4 = z2 + 1/2thick * dir arrow_dir;
+ z4 = z2 + 1/2thick * dir alpha;
- penpos0(thick, arrow_dir);
- penpos1(thick, arrow_dir + 90);
- penpos2(thick, arrow_dir - 90);
- penpos3(thick, arrow_dir + 90);
- penpos4(thick, arrow_dir - 90);
+ penpos0(thick, alpha);
+ penpos1(thick, alpha + 90);
+ penpos2(thick, alpha - 90);
+ penpos3(thick, alpha + 90);
+ penpos4(thick, alpha - 90);
- draw_arrowhead(head, arrow_dir, arrow_spread, thick);
- fill stroke z4.e -- z2.e{dir (arrow_dir + 180)} ..
- z0.e{dir (arrow_dir - 90)} .. z1.e{dir arrow_dir} -- z3.e;
+ draw_arrowhead(head, alpha, arrow_spread, thick);
+ fill stroke z4.e -- z2.e{dir (alpha + 180)} ..
+ z0.e{dir (alpha - 90)} .. z1.e{dir alpha} -- z3.e;
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -134,24 +151,24 @@ for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "right embedding (" & decimal alpha & ")";
thick := line_thickness;
- z0 = foot - 1/4arrow_spread * dir(arrow_dir + 90);
- 1/2[z1,z2] = z0 + 1/4arrow_spread * dir arrow_dir;
- z2 = z1 - 1/2arrow_spread * dir (arrow_dir + 90);
+ z0 = foot - 1/4arrow_spread * dir(alpha + 90);
+ 1/2[z1,z2] = z0 + 1/4arrow_spread * dir alpha;
+ z2 = z1 - 1/2arrow_spread * dir (alpha + 90);
z3 = head;
- z4 = z2 + 1/2thick * dir arrow_dir;
+ z4 = z2 + 1/2thick * dir alpha;
- penpos0(thick, arrow_dir + 180);
- penpos1(thick, arrow_dir + 90);
- penpos2(thick, arrow_dir - 90);
- penpos3(thick, arrow_dir + 90);
- penpos4(thick, arrow_dir - 90);
+ penpos0(thick, alpha + 180);
+ penpos1(thick, alpha + 90);
+ penpos2(thick, alpha - 90);
+ penpos3(thick, alpha + 90);
+ penpos4(thick, alpha - 90);
- draw_arrowhead(head, arrow_dir, arrow_spread, thick);
- fill stroke z4.e -- z2.e{dir (arrow_dir + 180)} ..
- z0.e{dir (arrow_dir + 90)} .. z1.e{dir arrow_dir} -- z3.e;
+ draw_arrowhead(head, alpha, arrow_spread, thick);
+ fill stroke z4.e -- z2.e{dir (alpha + 180)} ..
+ z0.e{dir (alpha + 90)} .. z1.e{dir alpha} -- z3.e;
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -159,10 +176,10 @@ endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "left harpoon (" & decimal alpha & ")";
draw_line(foot_ex, head, false);
- draw_arrowhead_left(head, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead_left(head, alpha, arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -170,10 +187,10 @@ endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "right harpoon (" & decimal alpha & ")";
draw_line(foot_ex, head, false);
- draw_arrowhead_right(head, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead_right(head, alpha, arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -181,8 +198,8 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "left left harpoon (" & decimal alpha & ")";
draw_line(foot, head, false);
- draw_arrowhead_left(head, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead_left(foot, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead_left(head, alpha, arrow_spread, line_thickness);
+ draw_arrowhead_left(foot, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(80, 80, 110, 110);
@@ -193,8 +210,8 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "right right harpoon (" & decimal alpha & ")";
draw_line(foot, head, false);
- draw_arrowhead_right(head, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead_right(foot, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead_right(head, alpha, arrow_spread, line_thickness);
+ draw_arrowhead_right(foot, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 100, 100);
@@ -204,7 +221,7 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread# + equal_spread#); "double left left harpoon (" & decimal alpha & ")";
- z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = equal_spread * dir (arrow_dir + 90);
+ z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = equal_spread * dir (alpha + 90);
1/2[z0,z1] = foot;
1/2[z0',z1'] = foot_ex;
1/2[z2,z3] = head;
@@ -212,8 +229,8 @@ for alpha = 0, 90, 45, 135:
draw_line(z2', z0, false);
draw_line(z1', z3, false);
- draw_arrowhead_left(z3, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead_left(z0, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead_left(z3, alpha, arrow_spread, line_thickness);
+ draw_arrowhead_left(z0, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread + equal_spread)(80, 80, 110, 110);
@@ -223,7 +240,7 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread# + equal_spread#); "double right right harpoon (" & decimal alpha & ")";
- z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = equal_spread * dir (arrow_dir + 90);
+ z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = equal_spread * dir (alpha + 90);
1/2[z0,z1] = foot;
1/2[z0',z1'] = foot_ex;
1/2[z2,z3] = head;
@@ -231,8 +248,8 @@ for alpha = 0, 90, 45, 135:
draw_line(z0', z2, false);
draw_line(z3', z1, false);
- draw_arrowhead_right(z2, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead_right(z1, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead_right(z2, alpha, arrow_spread, line_thickness);
+ draw_arrowhead_right(z1, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread + equal_spread)(70, 70, 100, 100);
@@ -247,7 +264,7 @@ for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
draw_line(foot_ex, z0, false);
draw_line(z1, head, false);
- draw_arrowhead(head, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[z0, z1], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
@@ -256,23 +273,55 @@ for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
endfor;
for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 6/5, ifneg(3/2, 1) * arrow_spread#); "multi map (" & decimal alpha & ")";
- draw_line(foot_ex, head - (4/5arrow_spread + 1/4line_thickness) * dir arrow_dir, false);
- draw_circle(head - 2/5arrow_spread * dir arrow_dir, 2/5arrow_spread, line_thickness);
+ beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "multi map (" & decimal alpha & ")";
+ draw_line(foot_ex, head - (4/5arrow_spread + 1/4line_thickness) * dir alpha, false);
+ draw_circle(head - 2/5arrow_spread * dir alpha, 2/5arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 4/5arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 4/5arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 6/5, ifneg(3/2, 1) * arrow_spread#); "filled multi map (" & decimal alpha & ")";
- draw_line(foot_ex, head_ex - 2/5arrow_spread * dir arrow_dir, false);
- filldraw_circle(head - 2/5arrow_spread * dir arrow_dir, 2/5arrow_spread, line_thickness);
+ beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "filled multi map (" & decimal alpha & ")";
+ draw_line(foot_ex, head_ex - 2/5arrow_spread * dir alpha, false);
+ filldraw_circle(head - 2/5arrow_spread * dir alpha, 2/5arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - 4/5arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+beginarrow(0, 7/5, ifneg(3/2, 1) * arrow_spread#); "double multi map";
+ draw_line(foot + (4/5arrow_spread + 1/4line_thickness) * right, head - (4/5arrow_spread + 1/4line_thickness) * right, false);
+ draw_circle(head - 2/5arrow_spread * right, 2/5arrow_spread, line_thickness);
+ draw_circle(foot + 2/5arrow_spread * right, 2/5arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head], 0, 3/2arrow_spread)(70);
+ fi
+endchar;
+
+beginarrow(0, 7/5, ifneg(3/2, 1) * arrow_spread#); "filled double multi map";
+ draw_line(foot_ex + 2/5arrow_spread * right, head - 2/5arrow_spread * right, false);
+ filldraw_circle(head - 2/5arrow_spread * right, 2/5arrow_spread, line_thickness);
+ filldraw_circle(foot + 2/5arrow_spread * right, 2/5arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head], 0, 3/2arrow_spread)(70);
+ fi
+endchar;
+
+for alpha = 0, 180:
+ beginarrow(alpha, 7/5, ifneg(3/2, 1) * arrow_spread#); "image of (" & decimal alpha & ")";
+ draw_line(foot_ex + 2/5arrow_spread * dir alpha, head - (4/5arrow_spread + 1/4line_thickness) * dir alpha, false);
+ filldraw_circle(foot + 2/5arrow_spread * dir alpha, 2/5arrow_spread, line_thickness);
+ draw_circle(head - 2/5arrow_spread * dir alpha, 2/5arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 4/5arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
@@ -280,7 +329,7 @@ endfor;
for alpha = 0, 90, 180, 270:
beginarrow(alpha, 1, 3/4plus_size# + ifneg(1,0) * arrow_spread#); "pitchfork (" & decimal alpha & ")";
draw_line(foot_ex, head_ex, false);
- draw_subset(a, foot + 1/2arrow_len * dir arrow_dir, foot_ex, 3/4plus_size, line_thickness);
+ draw_subset(a, foot + 1/2arrow_len * dir alpha, foot_ex, 3/4plus_size, line_thickness);
if negated:
stroke_through_arrow(1/4[foot, head], alpha, 3/4plus_size + arrow_spread)(80, 80, 100, 100, 80, 80, 100, 100);
@@ -290,24 +339,24 @@ endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, 2arrow_spread#); "parallel arrows (" & decimal alpha & ")";
- z1 - z0 = z3 - z2 = arrow_spread * dir (arrow_dir + 90);
+ z1 - z0 = z3 - z2 = arrow_spread * dir (alpha + 90);
1/2[z0,z1] = foot_ex;
1/2[z2,z3] = head;
draw_line(z0, z2, false);
draw_line(z1, z3, false);
- draw_arrowhead(z2, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead(z3, arrow_dir, arrow_spread, line_thickness);
+ draw_arrowhead(z2, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(z3, alpha, arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 1, 2arrow_spread#); "anti-parallel arrows right left (" & decimal alpha & ")";
- z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = arrow_spread * dir (arrow_dir + 90);
+ z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = arrow_spread * dir (alpha + 90);
1/2[z0,z1] = foot;
1/2[z0',z1'] = foot_ex;
1/2[z2,z3] = head;
@@ -315,8 +364,8 @@ for alpha = 0, 90, 45, 135:
draw_line(z2', z0, false);
draw_line(z1', z3, false);
- draw_arrowhead(z3, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead(z0, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead(z3, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(z0, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 2arrow_spread)(80, 80, 110, 110);
@@ -326,7 +375,7 @@ endfor;
for alpha = 0, 90, 45, 135:
beginarrow(alpha, 1, 2arrow_spread#); "anti-parallel arrows left right (" & decimal alpha & ")";
- z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = arrow_spread * dir (arrow_dir + 90);
+ z1 - z0 = z1' - z0' = z3 - z2 = z3' - z2' = arrow_spread * dir (alpha + 90);
1/2[z0,z1] = foot;
1/2[z0',z1'] = foot_ex;
1/2[z2,z3] = head;
@@ -334,8 +383,8 @@ for alpha = 0, 90, 45, 135:
draw_line(z0', z2, false);
draw_line(z3', z1, false);
- draw_arrowhead(z2, arrow_dir, arrow_spread, line_thickness);
- draw_arrowhead(z1, arrow_dir+180, arrow_spread, line_thickness);
+ draw_arrowhead(z2, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(z1, alpha+180, arrow_spread, line_thickness);
if negated:
stroke_through_arrow(1/2[foot, head], alpha, 2arrow_spread)(70, 70, 100, 100);
@@ -343,145 +392,96 @@ for alpha = 0, 90, 45, 135:
endchar;
endfor;
+for sign = 1, -1:
for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "left right wave arrow (" & decimal alpha & ")";
- thick := line_thickness;
-
- z0 = foot - 1/10arrow_spread * dir (arrow_dir + 90);
- z1 = 15/80[foot,head] + 1/4arrow_spread * dir (arrow_dir + 90);
- z2 = 30/80[foot,head];
- z3 = 45/80[foot,head] - 1/4arrow_spread * dir (arrow_dir + 90);
- z4 = 60/80[foot,head];
- z5 = head + 1/10arrow_spread * dir (arrow_dir + 90);
-
- penpos0(thick, arrow_dir - 45);
- penpos1(thick, arrow_dir - 90);
- penpos2(thick, arrow_dir - 135);
- penpos3(thick, arrow_dir - 90);
- penpos4(thick, arrow_dir - 45);
- penpos5(thick, arrow_dir - 75);
-
- penlabels(0,1,2,3,4,5);
-
- fill stroke z0.e{dir (arrow_dir + 45)} .. z1.e .. z2.e{dir (arrow_dir - 45)} .. z3.e .. z4.e ... {dir (arrow_dir+15)}z5.e;
- draw_arrowhead(z5, arrow_dir+15, arrow_spread, thick);
-
- if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(70, 70, 70, 70, 70, 70, 70, 70);
- fi
- endchar;
-endfor;
-
-for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#); "right left wave arrow (" & decimal alpha & ")";
+ beginarrow(alpha, 1, ifneg(3/2, 1) * arrow_spread#);
+ if sign > 0: "left right" else: "right left" fi & " wave arrow (" & decimal alpha & ")";
thick := line_thickness;
- z0 = foot + 1/10arrow_spread * dir (arrow_dir + 90);
- z1 = 15/80[foot,head] - 1/4arrow_spread * dir (arrow_dir + 90);
- z2 = 30/80[foot,head];
- z3 = 45/80[foot,head] + 1/4arrow_spread * dir (arrow_dir + 90);
- z4 = 60/80[foot,head];
- z5 = head - 1/10arrow_spread * dir (arrow_dir + 90);
-
- penpos0(thick, arrow_dir - 135);
- penpos1(thick, arrow_dir - 90);
- penpos2(thick, arrow_dir - 45);
- penpos3(thick, arrow_dir - 90);
- penpos4(thick, arrow_dir - 135);
- penpos5(thick, arrow_dir - 105);
-
- penlabels(0,1,2,3,4,5);
-
- fill stroke z0.e{dir (arrow_dir - 45)} .. z1.e .. z2.e{dir (arrow_dir + 45)} .. z3.e .. z4.e ... {dir (arrow_dir-15)}z5.e;
- draw_arrowhead(z5, arrow_dir-15, arrow_spread, thick);
-
- if negated:
- stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir arrow_dir], alpha, 3/2arrow_spread)(110, 110, 110, 110, 110, 110, 110, 110);
- fi
- endchar;
-endfor;
-
-for alpha = 0, 90:
- beginarrow(alpha, 19/16, ifneg(3/2, 1) * arrow_spread#); "left right bidirectional wave arrow (" & decimal alpha & ")";
- thick := line_thickness;
-
- z0 = foot - 1/10arrow_spread * dir (arrow_dir + 90);
- z1 = 4/20[foot,head];
- z2 = 7/20[foot,head] + 1/4arrow_spread * dir (arrow_dir + 90);
- z3 = 10/20[foot,head];
- z4 = 13/20[foot,head] - 1/4arrow_spread * dir (arrow_dir + 90);
- z5 = 16/20[foot,head];
- z6 = head + 1/10arrow_spread * dir (arrow_dir + 90);
-
- penpos0(thick, arrow_dir - 75);
- penpos1(thick, arrow_dir - 45);
- penpos2(thick, arrow_dir - 90);
- penpos3(thick, arrow_dir - 135);
- penpos4(thick, arrow_dir - 90);
- penpos5(thick, arrow_dir - 45);
- penpos6(thick, arrow_dir - 75);
+ z0 = foot - sign * 1/8arrow_spread * dir (alpha + 90);
+ z1 = 4/18[foot,head] + sign * 1/4arrow_spread * dir (alpha + 90);
+ z2 = 7/18[foot,head];
+ z3 = 10/18[foot,head] - sign * 1/4arrow_spread * dir (alpha + 90);
+ z4 = 12/18[foot,head] - sign * 1/8arrow_spread * dir (alpha + 90);
+ z5 = 14/18[foot,head];
+ z6 = head;
+
+ penpos0(thick, alpha - 90 + sign * 55);
+ penpos1(thick, alpha - 90);
+ penpos2(thick, alpha - 90 - sign * 55);
+ penpos3(thick, alpha - 90);
+ penpos4(thick, alpha - 90 + sign * 35);
+ penpos5(thick, alpha - 90);
+ penpos6(thick, alpha - 90);
penlabels(0,1,2,3,4,5,6);
- fill stroke z0.e{dir (arrow_dir + 15)} .. z1.e .. z2.e .. z3.e{dir (arrow_dir - 45)} .. z4.e .. z5.e ... {dir (arrow_dir+15)}z6.e;
- draw_arrowhead(z0, arrow_dir + 195, arrow_spread, thick);
- draw_arrowhead(z6, arrow_dir + 15, arrow_spread, thick);
+ fill stroke z0.e{dir (alpha + sign * 55)} .. z1.e{dir alpha} .. z2.e{dir (alpha - sign * 55)} .. z3.e{dir alpha} .. z4.e{dir (alpha + sign * 35)} ... {dir alpha}z5.e -- z6.e;
+ draw_arrowhead(z6, alpha, arrow_spread, thick);
if negated:
- stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 70, 70);
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 70, 70, 70, 70, 70, 70);
fi
endchar;
endfor;
+endfor;
-for alpha = 0, 90:
- beginarrow(alpha, 19/16, ifneg(3/2, 1) * arrow_spread#); "right left bidirectional wave arrow (" & decimal alpha & ")";
- thick := line_thickness;
-
- z0 = foot + 1/10arrow_spread * dir (arrow_dir + 90);
- z1 = 4/20[foot,head];
- z2 = 7/20[foot,head] - 1/4arrow_spread * dir (arrow_dir + 90);
- z3 = 10/20[foot,head];
- z4 = 13/20[foot,head] + 1/4arrow_spread * dir (arrow_dir + 90);
- z5 = 16/20[foot,head];
- z6 = head - 1/10arrow_spread * dir (arrow_dir + 90);
-
- penpos0(thick, arrow_dir - 105);
- penpos1(thick, arrow_dir - 135);
- penpos2(thick, arrow_dir - 90);
- penpos3(thick, arrow_dir - 45);
- penpos4(thick, arrow_dir - 90);
- penpos5(thick, arrow_dir - 135);
- penpos6(thick, arrow_dir - 105);
-
- penlabels(0,1,2,3,4,5,6);
+for sign = 1, -1:
+ for alpha = 0, 90:
+ beginarrow(alpha, 6/5, ifneg(3/2, 1) * arrow_spread#);
+ if sign > 0: "left right" else: "right left" fi & " bidirectional wave arrow (" & decimal alpha & ")";
+ thick := line_thickness;
- fill stroke z0.e{dir (arrow_dir - 15)} .. z1.e .. z2.e .. z3.e{dir (arrow_dir + 45)} .. z4.e .. z5.e ... {dir (arrow_dir-15)}z6.e;
- draw_arrowhead(z0, arrow_dir - 195, arrow_spread, thick);
- draw_arrowhead(z6, arrow_dir - 15, arrow_spread, thick);
+ z0 = foot;
+ z1 = 4/22[foot,head];
+ z2 = 6/22[foot,head] + sign * 1/8arrow_spread * dir (alpha + 90);
+ z3 = 8/22[foot,head] + sign * 1/4arrow_spread * dir (alpha + 90);
+ z4 = 11/22[foot,head];
+ z5 = 14/22[foot,head] - sign * 1/4arrow_spread * dir (alpha + 90);
+ z6 = 16/22[foot,head] - sign * 1/8arrow_spread * dir (alpha + 90);
+ z7 = 18/22[foot,head];
+ z8 = head;
+
+ penpos0(thick, alpha - 90);
+ penpos1(thick, alpha - 90);
+ penpos2(thick, alpha - 90 + sign * 35);
+ penpos3(thick, alpha - 90);
+ penpos4(thick, alpha - 90 - sign * 55);
+ penpos5(thick, alpha - 90);
+ penpos6(thick, alpha - 90 + sign * 35);
+ penpos7(thick, alpha - 90);
+ penpos8(thick, alpha - 90);
+
+ penlabels(0,1,2,3,4,5,6,7,8);
+
+ fill stroke z0e. -- z1.e{dir alpha} .. z2.e{dir (alpha + sign * 35)} .. z3.e{dir alpha} .. z4.e{dir (alpha - sign * 55)} .. z5.e{dir alpha} ... z6.e{dir (alpha + sign * 35)} .. {dir alpha}z7.e -- z8.e;
+ draw_arrowhead(z0, alpha + 180, arrow_spread, thick);
+ draw_arrowhead(z8, alpha, arrow_spread, thick);
- if negated:
- stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(110, 110, 110, 110);
- fi
- endchar;
+ if negated:
+ stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 70, 70);
+ fi
+ endchar;
+ endfor;
endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2,1) * arrow_spread#); "right bend arrow (" & decimal alpha & ")";
thick := line_thickness;
- z0 = foot - 1/4arrow_spread * dir (arrow_dir + 90);
- z1 = 9/20[foot,head] + 1/4arrow_spread * dir (arrow_dir + 90);
- z2 = 19/20[foot,head] - 1/2arrow_spread * dir (arrow_dir + 90);
+ z0 = foot - 1/4arrow_spread * dir (alpha + 90);
+ z1 = 9/20[foot,head] + 1/4arrow_spread * dir (alpha + 90);
+ z2 = 19/20[foot,head] - 1/2arrow_spread * dir (alpha + 90);
- penpos0(thick, arrow_dir - 35);
- penpos1(thick, arrow_dir - 90);
- penpos2(thick, arrow_dir - 150);
+ penpos0(thick, alpha - 35);
+ penpos1(thick, alpha - 90);
+ penpos2(thick, alpha - 150);
- fill stroke z0.e{dir (arrow_dir + 55)} .. z1.e .. {dir (arrow_dir - 60)}z2.e;
- draw_arrowhead(z2, arrow_dir - 50, arrow_spread, thick);
+ fill stroke z0.e{dir (alpha + 55)} .. z1.e .. {dir (alpha - 60)}z2.e;
+ draw_arrowhead(z2, alpha - 50, arrow_spread, thick);
if negated:
- stroke_through_arrow(1/10[z1,z2] + 1/8arrow_spread * dir (arrow_dir - 90), alpha, 3/2arrow_spread)(80, 80, 80, 80, 80, 80, 80, 80);
+ stroke_through_arrow(1/10[z1,z2] + 1/8arrow_spread * dir (alpha - 90), alpha, 3/2arrow_spread)(80, 80, 80, 80, 80, 80, 80, 80);
fi
endchar;
endfor;
@@ -490,41 +490,41 @@ for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
beginarrow(alpha, 1, ifneg(3/2,1) * arrow_spread#); "left bend arrow (" & decimal alpha & ")";
thick := line_thickness;
- z0 = foot + 1/4arrow_spread * dir (arrow_dir + 90);
- z1 = 9/20[foot,head] - 1/4arrow_spread * dir (arrow_dir + 90);
- z2 = 19/20[foot,head] + 1/2arrow_spread * dir (arrow_dir + 90);
+ z0 = foot + 1/4arrow_spread * dir (alpha + 90);
+ z1 = 9/20[foot,head] - 1/4arrow_spread * dir (alpha + 90);
+ z2 = 19/20[foot,head] + 1/2arrow_spread * dir (alpha + 90);
- penpos0(thick, arrow_dir + 35);
- penpos1(thick, arrow_dir + 90);
- penpos2(thick, arrow_dir + 150);
+ penpos0(thick, alpha + 35);
+ penpos1(thick, alpha + 90);
+ penpos2(thick, alpha + 150);
- fill stroke z0.e{dir (arrow_dir - 55)} .. z1.e .. {dir (arrow_dir + 60)}z2.e;
- draw_arrowhead(z2, arrow_dir + 50, arrow_spread, thick);
+ fill stroke z0.e{dir (alpha - 55)} .. z1.e .. {dir (alpha + 60)}z2.e;
+ draw_arrowhead(z2, alpha + 50, arrow_spread, thick);
if negated:
- stroke_through_arrow(1/10[z1,z2] + 1/8arrow_spread * dir (arrow_dir + 90), alpha, 3/2arrow_spread)(110, 110, 110, 110, 110, 110, 110, 110);
+ stroke_through_arrow(1/10[z1,z2] + 1/8arrow_spread * dir (alpha + 90), alpha, 3/2arrow_spread)(110, 110, 110, 110, 110, 110, 110, 110);
fi
endchar;
endfor;
for alpha = 0, 90, 180, 270, 45, 135, 225, 315:
- beginarrow(alpha, 6/5, ifneg(3/2,1) * arrow_spread#); "bend arrow (" & decimal alpha & ")";
+ beginarrow(alpha, 6/5, ifneg(3/2,1) * arrow_spread#); "bidirectional bend arrow (" & decimal alpha & ")";
thick := line_thickness;
- z0 = 1/20[foot,head] - 1/2arrow_spread * dir (arrow_dir + 90);
- z1 = 1/2[foot,head] + 1/4arrow_spread * dir (arrow_dir + 90);
- z2 = 19/20[foot,head] - 1/2arrow_spread * dir (arrow_dir + 90);
+ z0 = 1/20[foot,head] - 1/2arrow_spread * dir (alpha + 90);
+ z1 = 1/2[foot,head] + 1/4arrow_spread * dir (alpha + 90);
+ z2 = 19/20[foot,head] - 1/2arrow_spread * dir (alpha + 90);
- penpos0(thick, arrow_dir - 30);
- penpos1(thick, arrow_dir - 90);
- penpos2(thick, arrow_dir - 150);
+ penpos0(thick, alpha - 30);
+ penpos1(thick, alpha - 90);
+ penpos2(thick, alpha - 150);
- fill stroke z0.e{dir (arrow_dir + 60)} .. z1.e .. {dir (arrow_dir - 60)}z2.e;
- draw_arrowhead(z0, arrow_dir + 230, arrow_spread, thick);
- draw_arrowhead(z2, arrow_dir - 50, arrow_spread, thick);
+ fill stroke z0.e{dir (alpha + 60)} .. z1.e .. {dir (alpha - 60)}z2.e;
+ draw_arrowhead(z0, alpha + 230, arrow_spread, thick);
+ draw_arrowhead(z2, alpha - 50, arrow_spread, thick);
if negated:
- stroke_through_arrow(z1 + 1/8arrow_spread * dir (arrow_dir - 90), alpha, 3/2arrow_spread)(80, 80, 100, 100, 80, 80, 100, 100);
+ stroke_through_arrow(z1 + 1/8arrow_spread * dir (alpha - 90), alpha, 3/2arrow_spread)(80, 80, 100, 100, 80, 80, 100, 100);
fi
endchar;
endfor;
@@ -549,9 +549,9 @@ for sign = 1, -1:
r := (w - 2side_bearing)/2 - arrow_spread/3;
for i = 0 upto 7:
- z[i] = centre + r * dir (alpha + i/8 * 360);
- penpos[i](thick, alpha + i/8 * 360);
- endfor;
+ z[i] = centre + r * dir (alpha + i/8 * 360);
+ penpos[i](thick, alpha + i/8 * 360);
+ endfor;
z0' = centre + r * dir (alpha + 10);
penpos0'(thick, alpha + 10);
@@ -586,22 +586,165 @@ endfor;
for alpha = 0, 90, 180, 270:
beginarrow(alpha, 6/5, ifneg(21/10, 14/10) * arrow_spread#); "triple arrow (" & decimal alpha & ")";
- z1 - z0 = z2 - z1 = 2/3equal_spread * dir (arrow_dir + 90);
+ z1 - z0 = z2 - z1 = 2/3equal_spread * dir (alpha + 90);
z1 = foot_ex;
- z4 - z3 = z5 - z4 = 2/3equal_spread * dir (arrow_dir + 90);
+ z4 - z3 = z5 - z4 = 2/3equal_spread * dir (alpha + 90);
z4 = head_ex;
- draw_straight(z0, arrowhead_intersection(head, arrow_dir, 3/2arrow_spread, z0 -- z3), 4/5line_thickness, false);
- draw_straight(z1, arrowhead_intersection(head, arrow_dir, 3/2arrow_spread, z1 -- z4), 4/5line_thickness, false);
- draw_straight(z2, arrowhead_intersection(head, arrow_dir, 3/2arrow_spread, z2 -- z5), 4/5line_thickness, false);
- draw_arrowhead(head, arrow_dir, 3/2arrow_spread, line_thickness);
+ draw_straight(z0, arrowhead_intersection(head, alpha, 3/2arrow_spread, z0 -- z3), 4/5line_thickness, false);
+ draw_straight(z1, arrowhead_intersection(head, alpha, 3/2arrow_spread, z1 -- z4), 4/5line_thickness, false);
+ draw_straight(z2, arrowhead_intersection(head, alpha, 3/2arrow_spread, z2 -- z5), 4/5line_thickness, false);
+ draw_arrowhead(head, alpha, 3/2arrow_spread, line_thickness);
if negated:
- stroke_through_arrow(1/2[foot, head - arrow_spread * dir arrow_dir], alpha, 21/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ stroke_through_arrow(1/2[foot, head - arrow_spread * dir alpha], alpha, 21/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
fi
endchar;
endfor;
+for alpha = 0, 180:
+ beginarrow(alpha, 2, ifneg(3/2, 1) * arrow_spread#); "long single arrow (" & decimal alpha & ")";
+ draw_line(foot_ex, head, false);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0, 180:
+ beginarrow(alpha, 2, ifneg(19/10, 13/10) * arrow_spread#); "long double arrow (" & decimal alpha & ")";
+ z1 - z0 = z3 - z2 = equal_spread * dir (alpha + 90);
+ 1/2[z0,z1] = foot_ex;
+ 1/2[z2,z3] = head;
+
+ draw_line(z0, arrowhead_intersection(head, alpha, 13/10arrow_spread, z0 -- z2), false);
+ draw_line(z1, arrowhead_intersection(head, alpha, 13/10arrow_spread, z1 -- z3), false);
+ draw_arrowhead(head, alpha, 13/10arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - arrow_spread * dir alpha], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0:
+ beginarrow(alpha, 2, ifneg(3/2, 1) * arrow_spread#); "long bidirectional arrow (" & decimal alpha & ")";
+ draw_line(foot, head, false);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+ draw_arrowhead(foot, alpha+180, arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0:
+ beginarrow(alpha, 2, ifneg(19/10, 13/10) * arrow_spread#); "long double bidirectional arrow (" & decimal alpha & ")";
+ z1 - z0 = z3 - z2 = equal_spread * dir (alpha + 90);
+ 1/2[z0,z1] = foot;
+ 1/2[z2,z3] = head;
+
+ draw_line(arrowhead_intersection(foot, alpha+180, 13/10arrow_spread, z0 -- z2), arrowhead_intersection(head, alpha, 13/10arrow_spread, z0 -- z2), false);
+ draw_line(arrowhead_intersection(foot, alpha+180, 13/10arrow_spread, z1 -- z3), arrowhead_intersection(head, alpha, 13/10arrow_spread, z1 -- z3), false);
+ draw_arrowhead(head, alpha, 13/10arrow_spread, line_thickness);
+ draw_arrowhead(foot, alpha+180, 13/10arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0, 180:
+ beginarrow(alpha, 2, ifneg(3/2, 1) * arrow_spread#); "long arrow with foot (" & decimal alpha & ")";
+ draw_line(foot, head, false);
+ draw_line(foot - 1/2arrow_spread * dir (alpha + 90), foot + 1/2arrow_spread * dir (alpha + 90), true);
+ draw_arrowhead(head, alpha, arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0, 180:
+ beginarrow(alpha, 2, ifneg(19/10, 13/10) * arrow_spread#); "long double arrow with foot (" & decimal alpha & ")";
+ z1 - z0 = z3 - z2 = equal_spread * dir (alpha + 90);
+ 1/2[z0,z1] = foot_ex;
+ 1/2[z2,z3] = head;
+
+ draw_line(z0, arrowhead_intersection(head, alpha, 13/10arrow_spread, z0 -- z2), false);
+ draw_line(z1, arrowhead_intersection(head, alpha, 13/10arrow_spread, z1 -- z3), false);
+ draw_line(foot - 13/20arrow_spread * dir (alpha + 90), foot + 13/20arrow_spread * dir (alpha + 90), true);
+ draw_arrowhead(head, alpha, 13/10arrow_spread, line_thickness);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - arrow_spread * dir alpha], alpha, 19/10arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0, 180:
+ beginarrow(alpha, 2, ifneg(3/2, 1) * arrow_spread#); "long wave arrow (" & decimal alpha & ")";
+ thick := line_thickness;
+ sign := if alpha > 0: 1 else: -1 fi;
+
+ z0 = foot - 1/8arrow_spread * up;
+ z1 = 4/43[foot,head] + 1/4arrow_spread * up;
+ z2 = 7/43[foot,head];
+ z3 = 10/43[foot,head] - 1/4arrow_spread * up;
+ z4 = 13/43[foot,head];
+ z5 = 16/43[foot,head] + 1/4arrow_spread * up;
+ z6 = 19/43[foot,head];
+ z7 = 22/43[foot,head] - 1/4arrow_spread * up;
+ z8 = 25/43[foot,head];
+ z9 = 28/43[foot,head] + 1/4arrow_spread * up;
+ z10 = 31/43[foot,head];
+ z11 = 34/43[foot,head] - 1/4arrow_spread * up;
+ z12 = 36/43[foot,head] - 1/8arrow_spread * up;
+ z13 = 38/43[foot,head];
+ z14 = head;
+
+ penpos0(thick, sign * 35);
+ penpos1(thick, sign * 90);
+ penpos2(thick, sign * 145);
+ penpos3(thick, sign * 90);
+ penpos4(thick, sign * 35);
+ penpos5(thick, sign * 90);
+ penpos6(thick, sign * 145);
+ penpos7(thick, sign * 90);
+ penpos8(thick, sign * 35);
+ penpos9(thick, sign * 90);
+ penpos10(thick, sign * 145);
+ penpos11(thick, sign * 90);
+ penpos12(thick, sign * 45);
+ penpos13(thick, sign * 90);
+ penpos14(thick, sign * 90);
+
+ penlabels(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14);
+
+ fill stroke z0e{dir (sign * 35 + 90)} .. z1.e{dir (sign * 90 + 90)} .. z2.e{dir (sign * 145 + 90)} .. z3.e{dir (sign * 90 + 90)} .. z4.e{dir (sign * 35 + 90)} .. z5.e{dir (sign * 90 + 90)} .. z6.e{dir (sign * 145 + 90)} .. z7.e{dir (sign * 90 + 90)} .. z8.e{dir (sign * 35 + 90)} .. z9.e{dir (sign * 90 + 90)} .. z10.e{dir (sign * 145 + 90)} .. z11.e{dir (sign * 90 + 90)} .. z12.e{dir (sign * 45 + 90)} .. {dir (sign * 90 + 90)}z13.e -- z14.e;
+ draw_arrowhead(z14, alpha, arrow_spread, thick);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head - 1/2arrow_spread * dir alpha], alpha, 3/2arrow_spread)(70, 70, 70, 70, 70, 70, 70, 70);
+ fi
+ endchar;
+endfor;
+
+for alpha = 0, 180:
+ beginarrow(alpha, 2, ifneg(3/2,1) * arrow_spread#); "long headless arrow with foot (" & decimal alpha & ")";
+ draw_line(foot_ex, head_ex, false);
+ draw_line(foot - 1/2arrow_spread * dir (alpha + 90), foot + 1/2arrow_spread * dir (alpha + 90), true);
+
+ if negated:
+ stroke_through_arrow(1/2[foot, head], alpha, 3/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
+ fi
+ endchar;
+endfor;
if not negated:
for sign = 1, -1:
@@ -633,8 +776,11 @@ if not negated:
endfor;
for sign = -1, 1:
- beginoperator(arrow_len#, 1); "loop arrow";
+ beginsymbol(arrow_diag_len# + 2side_bearing#, vcentre(arrow_diag_len#)); "loop arrow";
thick := line_thickness;
+ arrow_len := arrow_diag_len;
+ pair centre;
+ centre := (w/2, (h-d)/2);
z0 = centre + sign * (arrow_len - line_thickness)/2 * left;
z1 = centre + arrow_len/2 * down;
@@ -657,77 +803,3 @@ if not negated:
endchar;
endfor;
fi
-
-current_char := 223;
-
-for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 2/3, ifneg(2, 3/2) * arrow_spread#); "derives (" & decimal alpha & ")";
- draw_line(foot, head_ex, false);
- draw_line(foot - 3/4arrow_spread * dir (arrow_dir + 90), foot + 3/4arrow_spread * dir (arrow_dir + 90), true);
-
- if negated:
- stroke_through_arrow(2/3[foot, head], alpha, 2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
- fi
- endchar;
-endfor;
-
-for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 2/3, ifneg(9/4, 7/4) * arrow_spread#); "models (" & decimal alpha & ")";
- z1 - z0 = z3 - z2 = equal_spread * dir (arrow_dir + 90);
- 0.5[z0,z1] = foot;
- 0.5[z2,z3] = head_ex;
-
- draw_line(z0, z2, false);
- draw_line(z1, z3, false);
- draw_line(foot - 7/8arrow_spread * dir (arrow_dir + 90), foot + 7/8arrow_spread * dir (arrow_dir + 90), true);
-
- if negated:
- stroke_through_arrow(2/3[foot, head], alpha, 9/4arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
- fi
- endchar;
-endfor;
-
-for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 1, ifneg(9/4, 7/4) * arrow_spread#); "forces (" & decimal alpha & ")";
- z0 = foot + equal_spread * dir arrow_dir;
-
- draw_line(z0, head_ex, false);
- draw_line(foot - 7/8arrow_spread * dir (arrow_dir + 90), foot + 7/8arrow_spread * dir (arrow_dir + 90), true);
- draw_line(z0 - 7/8arrow_spread * dir (arrow_dir + 90), z0 + 7/8arrow_spread * dir (arrow_dir + 90), true);
-
- if negated:
- stroke_through_arrow(5/8[z0, head], alpha, 9/4arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
- fi
- endchar;
-endfor;
-
-for alpha = 0, 90, 180, 270:
- beginarrow(alpha, 1, ifneg(5/2, 2) * arrow_spread#); "double models (" & decimal alpha & ")";
- z1 - z0 = z3 - z2 = equal_spread * dir (arrow_dir + 90);
- z4 = foot + equal_spread * dir arrow_dir;
- 1/2[z0,z1] = z4;
- 1/2[z2,z3] = head_ex;
-
- draw_line(z0, z2, false);
- draw_line(z1, z3, false);
- draw_line(foot - arrow_spread * dir (arrow_dir + 90), foot + arrow_spread * dir (arrow_dir + 90), true);
- draw_line(z4 - arrow_spread * dir (arrow_dir + 90), z4 + arrow_spread * dir (arrow_dir + 90), true);
-
- if negated:
- stroke_through_arrow(5/8[z4, head], alpha, 5/2arrow_spread)(70, 70, 110, 110, 70, 70, 110, 110);
- fi
- endchar;
-endfor;
-
-if not negated:
- beginarrow(0, 1, 7/4arrow_spread#); "Vvdash";
- s := 7/8arrow_spread;
- z0 = foot + 4/5equal_spread * dir arrow_dir;
- z1 = foot + 8/5equal_spread * dir arrow_dir;
-
- draw_line(z1, head_ex, false);
- draw_line(foot - s * dir (arrow_dir + 90), foot + s * dir (arrow_dir + 90), true);
- draw_line(z0 - s * dir (arrow_dir + 90), z0 + s * dir (arrow_dir + 90), true);
- draw_line(z1 - s * dir (arrow_dir + 90), z1 + s * dir (arrow_dir + 90), true);
- endchar;
-fi
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-31 16:41:33 +0000