diff --git a/README.md b/README.md
index 48889f9be1b236346a2a210c7b6c577f1232468c..053a7d0fd056578bfedc7d1930bcce7bd3204b49 100644
--- a/README.md
+++ b/README.md
@@ -191,8 +191,29 @@
- Obstacles setting are incorrect
### 07/09/2019
-
+- Finish up path-finding approach (Approach B)
- Only draw the best path on `dxf` when solution is found for every route.
- 
- Throw warning once a route cannot be found
- 
+
+- Research on Approach A
+ - KiCAD 5 does not have built-in auto-router
+ - Have to use `FreeRouting`
+
+ - `FreeRouting` does not have python API
+ - Parent package of `FreeRouting`, `LayoutEditor` has multiple editions
+ - Part of `LayoutEditor` is open- source
+ - A large amount of of its website are broken, source and interface are unavailable
+
+- Other auto-routers are not open-source
+
+##### Approach A
+- 1. Use `LayoutEditor` python API to use `FreeRouting`
+- 2. Use `KiCAD 5` python API to sue `FreeRouting`
+- 3. Use `KiCAD 4` python API to use builtin auto-routing
+
+- TODO:
+ - If can run KiCAD 4 from python
+ - Check `FreeRouting` API, see if a acceptable file can be generated from things on hand
+
diff --git a/analyze_dxf.py b/analyze_dxf.py
index b1a854c2875e574a26d10235647dac016263b714..42039685f7a9f115295feceaacf8291e1db53a3b 100644
--- a/analyze_dxf.py
+++ b/analyze_dxf.py
@@ -245,11 +245,11 @@ class auto_rounter:
print 'Current cost:',self.Q,'Best cost',self.Q_buff
episode+=1
- # if not self.final_fail:
- for i in range(len(self.final_path)):
- self.draw_a_path(self.final_path[i],self.matrix,True)
- # else:
- # print 'One or more path cannot be solved'
+ if not self.final_fail:
+ for i in range(len(self.final_path)):
+ self.draw_a_path(self.final_path[i],self.matrix,True)
+ else:
+ print 'One or more path cannot be solved'
def test_connections(self):
y=97
diff --git a/ling.md b/ling.md
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/testline.dxf b/testline.dxf
deleted file mode 100644
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--- a/testline.dxf
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diff --git a/testline.py b/testline.py
deleted file mode 100644
index d0d05863d48d47c28cb1389e928b6832f53ae9eb..0000000000000000000000000000000000000000
--- a/testline.py
+++ /dev/null
@@ -1,72 +0,0 @@
-import ezdxf
-import random # needed for random placing points
-import numpy as np
-
-def get_random_point():
- """Creates random x, y coordinates."""
- x = random.randint(-100, 100)
- y = random.randint(-100, 100)
- return x, y
-
-# Create a new drawing in the DXF format of AutoCAD 2010
-dwg = ezdxf.new('ac1024')
-if not 'Isolation' in dwg.layers:
- dwg.layers.new(name='Isolation',dxfattribs={'color':4})
-# Create a block with the name 'FLAG'
-flag = dwg.blocks.new(name='FLAG')
-
-
-# Add DXF entities to the block 'FLAG'.
-# The default base point (= insertion point) of the block is (0, 0).
-# flag.add_polyline2d([(0, 0), (0, 5)]) # the flag as 2D polyline
-flag.add_circle((0, 0), 5, dxfattribs={'color': 5}) # mark the base point with a circle
-# flag.add_text("TEST").set_pos((25,280),align="MIDDLE_RIGHT")
-# Get the modelspace of the drawing.
-modelspace = dwg.modelspace()
-
-modelspace.add_line((0.3,0.6),(40.5,0.6))
-# Get 50 random placing points.
-placing_points = [get_random_point() for _ in range(50)]
-
-random_scale = 0.5 + random.random() * 2.0
-# Add a block reference to the block named 'FLAG' at the coordinates 'point'.
-modelspace.add_blockref('FLAG', (15,290), dxfattribs={
- 'layer':'Isolation',
-})
-
-modelspace.add_blockref('FLAG',(8,290))
-modelspace.add_text("TEST").set_pos((10,285),align="MIDDLE_RIGHT")
-
-
-for e in modelspace.query('LINE'):
- print(e.dxf.start)
-
-index_i=[]
-index_j=[]
-for line in modelspace.query('LINE'):
- start=np.rint(line.dxf.start)
- end=np.rint(line.dxf.end)
- i=start[0]
- j=start[1]
- # index_i.append(i)
- # index_j.append(j)
- #can draw horizontal or vertical lines only
- if j==end[1]: #this line is a horizontal line
- index_i.append(i)
- while i!=end[0]:
- if i<end[0]:
- i+=1
- else:
- i-=1
- index_i.append(i)
- elif i==end[0]: #this line is a vertical line
- index_j.append(j)
- while j!=end[1]:
- if j<end[1]:
- j+=1
- else:
- j-=1
- index_j.append(j)
-
-# Save the drawing.
-dwg.saveas("testline.dxf")
\ No newline at end of file