diff --git a/conda/rotation_fix.py b/conda/rotation_fix.py
deleted file mode 100644
index bdc1eba..0000000
--- a/conda/rotation_fix.py
+++ /dev/null
@@ -1,58 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-Created on Sat Jun 23 20:25:17 2018
-
-@author: dipsy
-"""
-
-from PIL import Image
-from math import cos, sin
-
-path = "tilted_square.jpg"
-jpgfile = Image.open(path)
-
-fixedfile = Image.new('RGB',(24,24))
-
-#jpgfile.show()
-def dist(p1,p2):
-    return sqrt((p1[0]-p2[0])**2+(p1[1]-p2[1])**2)
-
-theta = 30
-
-corners = [[38,28],[66,45],[49,73],[21,57]]
-l = dist(corners[0],corners[1])
-
-dy = 10000
-dx=0
-
-co = cos(theta*2*3.14/360)
-si = sin(theta*2*3.14/360)
-
-for c in corners:
-    if(c[1]<dy):
-        dy=c[1]
-        dx=c[0]
-
-
-def pm2(p):
-    [x,y] = p
-    #print(c*x0)
-    x=x*l/24
-    y=y*l/24
-    x1 = co*x - si*y
-    y1 = si*x + co*y
-    x0 = (x1+dx)
-    y0 = y1+dy
-    return (int(x0), int(y0))
-
-for x in range(100):
-    for y in range(100):
-        p=pm2((x,y))
-        try:
-            fixedfile.putpixel((x,y),jpgfile.getpixel(p))
-        except:
-            x
-            #print((x,y),p)
-        
-fixedfile.show()
-fixedfile.save("tsquarefixed.jpg")
\ No newline at end of file
diff --git a/conda/rotation_transform.py b/conda/rotation_transform.py
deleted file mode 100644
index 037bbdd..0000000
--- a/conda/rotation_transform.py
+++ /dev/null
@@ -1,7 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-Created on Thu Jul  5 23:06:21 2018
-
-@author: dipsy
-"""
-
diff --git a/conda/test_img.py b/conda/test_img.py
deleted file mode 100644
index 61b6928..0000000
--- a/conda/test_img.py
+++ /dev/null
@@ -1,46 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-Created on Fri Jun 22 14:56:59 2018
-
-@author: dipsy
-"""
-
-from PIL import Image
-from jp import *
-from pj import *
-
-path = "test2.jpg"
-jpgfile = Image.open(path)
-
-oldsize = (160,120)
-fixedsize = (280,240)
-fixedfile = Image.new('RGB',fixedsize)
-
-def pm2(h,s):
-    [x,y]=s
-    return (int((h[0][0]*x+h[0][1]*y+h[0][2])/(h[2][0]*x+h[2][1]*y+h[2][2])),\
-            int((h[1][0]*x+h[1][1]*y+h[1][2])/(h[2][0]*x+h[2][1]*y+h[2][2])))
-
-for x in range(fixedsize[0]):
-    for y in range(fixedsize[1]):
-        try:
-            fixedfile.putpixel((x,y),jpgfile.getpixel(pm2(pj,(x,y))))
-        except:
-            x
-            
-fixedfile.show()
-fixedfile.save("fixed.jpg")
-
-path = "fixed.jpg"
-jpgfile = Image.open(path)
-
-ofile = Image.new('RGB',oldsize)
-
-for x in range(oldsize[0]):
-    for y in range(oldsize[1]):
-        try:
-            ofile.putpixel((x,y),jpgfile.getpixel(pm2(jp,(x,y))))
-        except:
-            x
-            
-ofile.show()
diff --git a/conda/transform.py b/conda/transform.py
deleted file mode 100644
index eafa420..0000000
--- a/conda/transform.py
+++ /dev/null
@@ -1,158 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-Created on Mon Jun 18 21:39:57 2018
-generate world view transformation matrix
-
-@author: dipsy
-"""
-import numpy as np
-from PIL import Image
-import json
-
-
-path = "tilted.jpg"
-newsize = (200,240)
-src = [[43,34], [111,35], [22,84], [128,86]]
-tgt = [[50,100],[140,100],[50,190],[140,190]]
-
-"""
-pj = np.squeeze(np.asarray(np.matrix('''
-                       1 0 0;
-                       0 1 0;
-                       0 0 1
-                       ''')))
-"""
-
-"""
-brief: generate a static array which map newsize to oldsize
-param: coord in newsize
-return: coord in oldsize
-"""
-def generate(h,name):
-    f = open(name+".py","w")
-    f2 = open("../"+name+".py","w")
-    h=list(h)
-    h[0] = list(h[0])
-    h[1] = list(h[1])
-    h[2] = list(h[2])
-    pyContent = name+" = "+json.dumps(list(h)).replace("[","(").replace("]",")")
-    f.write(pyContent)
-    f2.write(pyContent)
-    f.close()
-    f2.close()
-
-"""
-brief: given arrays of source points and target points
-return a projection matrix that map source points to target points
-link: https://stackoverflow.com/questions/35819142/calculate-a-2d-homogeneous-perspective-transformation-matrix-from-4-points-in-ma
-link: https://math.stackexchange.com/questions/96662/augmented-reality-transformation-matrix-optimization
-"""
-def getProjMatrix(s,t):
-    N = [[0] * 13 for i in range(13)]
-    #[[x1,y1],[x2,y2],[x3,y3],[x4,y4]] = s
-    #[[_x1,_y1],[_x2,_y2],[_x3,_y3],[_x4,_y4]] = t
-    N[0][0] = N[1][3] = N[2][6] = s[0][0]   #x1
-    N[3][0] = N[4][3] = N[5][6] = s[1][0]   #x2
-    N[6][0] = N[7][3] = N[8][6] = s[2][0]   #x3
-    N[9][0] = N[10][3] = N[11][6] = s[3][0]#x4
-    N[0][1] = N[1][4] = N[2][7] = s[0][1]
-    N[3][1] = N[4][4] = N[5][7] = s[1][1]
-    N[6][1] = N[7][4] = N[8][7] = s[2][1]
-    N[9][1] = N[10][4] = N[11][7] = s[3][1]
-    N[0][2] = N[1][5] = N[2][8] = 1
-    N[3][2] = N[4][5] = N[5][8] = 1
-    N[6][2] = N[7][5] = N[8][8] = 1
-    N[9][2] = N[10][5] = N[11][8] = 1
-    N[0][9] = -t[0][0]
-    N[1][9] = -t[0][1]
-    N[2][9] = -1
-    N[3][10] = -t[1][0]
-    N[4][10] = -t[1][1]
-    N[5][10] = -1
-    N[6][11] = -t[2][0]
-    N[7][11] = -t[2][1]
-    N[8][11] = -1
-    N[9][12] = -t[3][0]
-    N[10][12] = -t[3][1]
-    N[11][12] = -1
-    N[12][8] = 1
-    y = [0]*13
-    y[12] = 1
-    y = np.transpose(y)
-    x = np.linalg.solve(N,y)
-    print(x)
-    p = [[x[0],x[1],x[2]],[x[3],x[4],x[5]],[x[6],x[7],x[8]]]
-    return p
-
-def projmap (pj,src):
-    [[a,b,c],[d,e,f],[g,h,_]] = pj
-    [x,y] = src
-    _x = int((a*x+b*y+c)//(g*x+h*y+1))
-    _y = int((d*x+e*y+f)//(g*x+h*y+1))
-    #if(_x < 0 or _y < 0): print (src,(x,y))
-    return (_x,_y)
-
-def pm2(h,s):
-    [x,y]=s
-    return (int((h[0][0]*x+h[0][1]*y+h[0][2])/(h[2][0]*x+h[2][1]*y+h[2][2])),\
-            int((h[1][0]*x+h[1][1]*y+h[1][2])/(h[2][0]*x+h[2][1]*y+h[2][2])))
-
-"""
-link: link: https://math.stackexchange.com/questions/96662/augmented-reality-transformation-matrix-optimization
-"""
-def getProjMatrix2(s,t):
-    [[x1,y1],[x2,y2],[x3,y3],[x4,y4]] = s
-    [[_x1,_y1],[_x2,_y2],[_x3,_y3],[_x4,_y4]] = t
-    #N = [[x1,y1,1,0,0,0,-x1*_x1,-y1*_x1],[x2,y2,1,0,0,0,-x2*_x2,-y2*_x2],[x3,y3,1,0,0,0,-x3*_x3,-y3,_x3],[x4,y4,1,0,0,0,-x4*_x4,-y4,_x4],[0,0,0,x1,y1,1,-x1*_y1,-y1*_y1],[0,0,0,x2,y2,1,-x2*_y2,-y2*_y2],[0,0,0,x3,y3,1,-x3*_y3,-y3*_y3],[0,0,0,x4,y4,1,-x4*_y4,-y4*_y4]]
-    #y = [0]*8
-    #for i in range(4): y[i]=t[i][0];y[i+4]=t[i][1]
-    #y = np.transpose(y)
-    #print(N,y)
-    #print(y.dtype)
-    N = [[x1, y1, 1, 0, 0, 0, -x1 * _x1, -y1 * _x1],\
-    [x2, y2, 1, 0, 0, 0, -x2 * _x2, -y2 * _x2],\
-    [x3, y3, 1, 0, 0, 0, -x3 * _x3, -y3* _x3],\
-    [x4, y4, 1, 0, 0, 0, -x4 * _x4, -y4* _x4],\
-    [0, 0, 0, x1, y1, 1, -x1 * _y1, -y1 * _y1],\
-    [0, 0, 0, x2, y2, 1, -x2 * _y2, -y2 * _y2],\
-    [0, 0, 0, x3, y3, 1, -x3 * _y3, -y3 * _y3],\
-    [0, 0, 0, x4, y4, 1, -x4 * _y4, -y4 * _y4]]
-    print(N)
-    print([_x1, _x2, _x3, _x4, _y1, _y2, _y3, _y4])
-    x = np.linalg.solve(N,[_x1, _x2, _x3, _x4, _y1, _y2, _y3, _y4])
-    print(x)
-    p = [[x[0],x[1],x[2]],[x[3],x[4],x[5]],[x[6],x[7],1]]
-    return p
-
-pj = getProjMatrix2(src,tgt)
-print(pm2(pj,[0,0]))
-print(pm2(pj,[0,1]))
-print(pm2(pj,[1,1]))
-print(pm2(pj,[1,0]))
-pj_ = np.linalg.inv(pj)
-
-jpgfile = Image.open(path)
-print(jpgfile.bits, jpgfile.size, jpgfile.format)
-print('new size',newsize)
-newfile = Image.new('RGB',newsize)
-for x in range(newsize[0]):
-    for y in range(newsize[1]):
-        try:
-            p = pm2(pj_,(x,y))
-            newfile.putpixel((x,y),jpgfile.getpixel(p))
-        except:
-            x
-        
-#for x in range(jpgfile.size[0]):
-#    for y in range(jpgfile.size[1]):
-#        try:
-#            p = pm2(pj,(x,y))
-#            newfile.putpixel(p,jpgfile.getpixel((x,y)))
-#        except Exception as e:
-#            x
-            #print ((x,y),p,e)
-            #raise
-newfile.show()
-newfile.save(path+"_fixed.jpg")
-generate(pj_,"pj")
-generate(pj,"jp")
\ No newline at end of file