"Paint connect" functional. Added to seed-based painting and unit-tested. "Path connect" still pending. Disabled. "Path connect" unit test added.

tests/test_plotg.py

@@ -0,0 +1,46 @@
+from shapely.geometry import LineString, Polygon
+from shapely.ops import cascaded_union, unary_union
+from matplotlib.pyplot import plot, subplot, show
+from camlib import *
+
+def plotg2(geo, solid_poly=False, color="black", linestyle='solid'):
+
+    try:
+        for sub_geo in geo:
+            plotg2(sub_geo, solid_poly=solid_poly, color=color, linestyle=linestyle)
+    except TypeError:
+        if type(geo) == Polygon:
+            if solid_poly:
+                patch = PolygonPatch(geo,
+                                     #facecolor="#BBF268",
+                                     facecolor=color,
+                                     edgecolor="#006E20",
+                                     alpha=0.5,
+                                     zorder=2)
+                ax = subplot(111)
+                ax.add_patch(patch)
+            else:
+                x, y = geo.exterior.coords.xy
+                plot(x, y, color=color, linestyle=linestyle)
+                for ints in geo.interiors:
+                    x, y = ints.coords.xy
+                    plot(x, y, color=color, linestyle=linestyle)
+
+        if type(geo) == LineString or type(geo) == LinearRing:
+            x, y = geo.coords.xy
+            plot(x, y, color=color, linestyle=linestyle)
+
+        if type(geo) == Point:
+            x, y = geo.coords.xy
+            plot(x, y, 'o')
+
+
+if __name__ == "__main__":
+    p = Polygon([[0, 0], [0, 5], [5, 5], [5, 0]])
+    paths = [
+        LineString([[0.5, 2], [2, 4.5]]),
+        LineString([[2, 0.5], [4.5, 2]])
+    ]
+    plotg2(p, solid_poly=True)
+    plotg2(paths, linestyle="dashed")
+    show()