Merge pull request gdsfactory#2409 from gdsfactory/use_cross_section_…

…functions

use cross_section factories instead of copy

gdsfactory/components/coupler_straight_asymmetric.py

@@ -24,9 +24,8 @@ def coupler_straight_asymmetric(
     """
     component = Component()
 
-    xs = gf.get_cross_section(cross_section)
-    xs_top = xs.copy(width=width_top)
-    xs_bot = xs.copy(width=width_bot)
+    xs_top = gf.get_cross_section(cross_section, width=width_top)
+    xs_bot = gf.get_cross_section(cross_section, width=width_bot)
 
     top = component << straight(length=length, cross_section=xs_top)
     bot = component << straight(length=length, cross_section=xs_bot)

gdsfactory/components/dbr_tapered.py

@@ -97,23 +97,17 @@ def dbr_tapered(
     c = gf.Component()
 
     xs = gf.get_cross_section(cross_section=cross_section, width=w2, **kwargs)
+    xs1 = gf.get_cross_section(cross_section=cross_section, width=xs.width, **kwargs)
+    xs2 = gf.get_cross_section(cross_section=cross_section, width=w1, **kwargs)
 
     input_taper = c << gf.components.taper(
-        length=taper_length,
-        width1=xs.width,
-        width2=w1,
-        cross_section=xs.copy(width=xs.width),
+        length=taper_length, width1=xs.width, width2=w1, cross_section=xs1
     )
 
-    straight = c << gf.components.straight(
-        length=length, cross_section=xs.copy(width=w1)
-    )
+    straight = c << gf.components.straight(length=length, cross_section=xs2)
 
     output_taper = c << gf.components.taper(
-        length=taper_length,
-        width1=w1,
-        width2=xs.width,
-        cross_section=xs.copy(width=xs.width),
+        length=taper_length, width1=w1, width2=xs.width, cross_section=xs1
     )
 
     input_taper.connect("o2", straight.ports["o1"])
@@ -150,5 +144,5 @@ def dbr_tapered(
 
 if __name__ == "__main__":
     # c = dbr_tapered(length=10, period=0.85, dc=0.5, w2=1, w1=0.4, taper_length=20, fins=True)
-    c = dbr_tapered()
+    c = dbr_tapered(cross_section=gf.cross_section.rib)
     c.show(show_ports=True)

gdsfactory/components/mmi.py

@@ -66,7 +66,7 @@ def mmi(
     w_mmi = width_mmi
     w_taper = width_taper
     x = gf.get_cross_section(cross_section)
-    xs_mmi = x.copy(width=w_mmi)
+    xs_mmi = gf.get_cross_section(cross_section, width=w_mmi)
     width = width or x.width
 
     _taper = taper(

gdsfactory/components/mmi1x2.py

@@ -60,7 +60,7 @@ def mmi1x2(
     c = Component()
     gap_mmi = gf.snap.snap_to_grid(gap_mmi, grid_factor=2)
     x = gf.get_cross_section(cross_section, **kwargs)
-    xs_mmi = x.copy(width=width_mmi)
+    xs_mmi = gf.get_cross_section(cross_section, width=width_mmi)
     width = width or x.width
 
     _taper = taper(

gdsfactory/components/mmi2x2.py

@@ -61,7 +61,7 @@ def mmi2x2(
     gap_mmi = gf.snap.snap_to_grid(gap_mmi, grid_factor=2)
     w_taper = width_taper
     x = gf.get_cross_section(cross_section, **kwargs)
-    xs_mmi = x.copy(width=width_mmi)
+    xs_mmi = gf.get_cross_section(cross_section, width=width_mmi)
     width = width or x.width
 
     _taper = taper(

gdsfactory/components/mzit.py

@@ -77,8 +77,8 @@ def mzit(
     c = gf.Component()
 
     xs = gf.get_cross_section(cross_section)
-    xs1 = xs.copy(width=w1)
-    xs2 = xs.copy(width=w2)
+    xs1 = gf.get_cross_section(cross_section, width=w1)
+    xs2 = gf.get_cross_section(cross_section, width=w2)
 
     cp2 = c << coupler2(
         length=coupler_length2,

gdsfactory/components/taper_adiabatic.py

@@ -63,6 +63,8 @@ def taper_adiabatic(
         npoints: number of points for sampling
     """
     xs = gf.get_cross_section(cross_section)
+    xs1 = gf.get_cross_section(cross_section, width=width1)
+    xs2 = gf.get_cross_section(cross_section, width=width2)
     layer = xs.layer
 
     # Obtain optimal curve
@@ -88,11 +90,6 @@ def taper_adiabatic(
     c.add_polygon(
         list(zip(x_array, y_array)) + list(zip(x_array, -y_array))[::-1], layer=layer
     )
-
-    # Define ports
-    xs1 = xs.copy(width=width1)
-    xs2 = xs.copy(width=width2)
-
     c.add_port(
         name="o1",
         center=(0, 0),

gdsfactory/routing/get_bundle.py

@@ -161,8 +161,7 @@ def test_north_to_south():
         xs_list = []
         for element in cross_section:
             xs, angles = element
-            xs = gf.get_cross_section(xs)
-            xs = xs.copy(**kwargs)  # Shallow copy
+            xs = gf.get_cross_section(xs, **kwargs)
             xs_list.append((xs, angles))
         cross_section = xs_list
 

gdsfactory/routing/get_bundle_from_waypoints.py

@@ -130,14 +130,12 @@ def get_bundle_from_waypoints(
         xs_list = []
         for element in cross_section:
             xs, angles = element
-            xs = gf.get_cross_section(xs)
-            xs = xs.copy(**kwargs)  # Shallow copy
+            xs = gf.get_cross_section(xs, **kwargs)
             xs_list.append((xs, angles))
         cross_section = xs_list
 
     else:
-        cross_section = gf.get_cross_section(cross_section)
-        xs = cross_section = cross_section.copy(**kwargs)
+        xs = cross_section = gf.get_cross_section(cross_section, **kwargs)
 
     waypoints = [ports1[0].center] + list(waypoints) + [ports2[0].center]
     for p in ports1:

gdsfactory/routing/get_route.py

@@ -110,14 +110,12 @@ def get_route(
         xs_list = []
         for element in cross_section:
             xs, angles = element
-            xs = gf.get_cross_section(xs)
-            xs = xs.copy(**kwargs)  # Shallow copy
+            xs = gf.get_cross_section(xs, **kwargs)
             xs_list.append((xs, angles))
         cross_section = xs_list
 
     elif cross_section:
-        cross_section = gf.get_cross_section(cross_section)
-        x = cross_section = cross_section.copy(**kwargs)
+        x = cross_section = gf.get_cross_section(cross_section, **kwargs)
 
     else:
         x = cross_section = None

gdsfactory/routing/get_route_from_steps.py

@@ -107,14 +107,13 @@ def get_route_from_steps(
         for element in cross_section:
             xs, angles = element
             xs = gf.get_cross_section(xs)
-            xs = xs.copy(**kwargs)  # Shallow copy
+            xs = gf.get_cross_section(xs, **kwargs)
             xs_list.append((xs, angles))
         cross_section = xs_list
 
     else:
-        cross_section = gf.get_cross_section(cross_section)
-        x = cross_section = cross_section.copy(**kwargs)
-        auto_widen = x.auto_widen
+        cross_section = gf.get_cross_section(cross_section, **kwargs)
+        auto_widen = cross_section.auto_widen
 
         if auto_widen:
             taper = gf.get_component(