Commit b3e6b9c6 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

Set pdf size... For some reason the saved pdf size is a little smaller than... 

Set pdf size... For some reason the saved pdf size is a little smaller than the one set, e.g. 60x120in becomes 59.7x119.4in
parent 6019c27e

src/main/resources/escher_pattern.py

+34 −19
Original line number Diff line number Diff line
@@ -78,9 +78,13 @@ class Escher_Pattern: 
    plt.autoscale(tight=True)

    plt.axis('off')

    plt.margins(0.0)

    #plt.rcParams["figure.figsize"] = [60,120]



    self.fig, self.ax = plt.subplots()



    # when save the pdf size is a little less?!!

    self.fig.set_size_inches(self.width/72, self.height/72)



    self.ax.get_xaxis().set_visible(False)

    self.ax.get_yaxis().set_visible(False)

    self.ax.set_aspect('equal')
@@ -95,6 +99,7 @@ class Escher_Pattern: 


    print("init done")





  # rotate clock-wise

  def rotate(self,deg):
@@ -105,12 +110,13 @@ class Escher_Pattern: 
      x.set_transform(t_end)





  def test1(self):

  def generate(self):



    side = int(500/self.lpm*self.MM2PT)

    side = 500/self.lpm*self.MM2PT



    if (self.escher>0):



      # no rounding

      Size = side

      qSize = Size/4

      hSize = Size/2
@@ -135,7 +141,7 @@ class Escher_Pattern: 
        ]



      template = [

        Rectangle( tpts[0],  side, side,                    facecolor="k",linewidth=0,edgecolor="r"),

        Rectangle( tpts[0],  Size, Size,                    facecolor="k",linewidth=0,edgecolor="r"),

        Wedge(     tpts[1],  r,   0-halfAngle,  0+halfAngle,facecolor="w",linewidth=0,edgecolor="r"),

        Wedge(     tpts[2],  r, 180-halfAngle,180+halfAngle,facecolor="k",linewidth=0,edgecolor="r"),

        Wedge(     tpts[3],  r, 270-halfAngle,270+halfAngle,facecolor="w",linewidth=0,edgecolor="r"),
@@ -156,18 +162,19 @@ class Escher_Pattern: 
        Rectangle(tpts[0],side,side,facecolor="k",linewidth=0,edgecolor="r")

      ]



    # calc how much more is needed for the rotation

    abs_angle_rad = math.radians(abs(self.angle))

    extra_w = self.height*math.tan(abs_angle_rad) + side

    extra_h = self.width *math.tan(abs_angle_rad) + side



    extra_w = int(self.height*math.tan(abs_angle_rad)/side+1)*side

    extra_h = int(self.width*math.tan(abs_angle_rad)/side+1)*side



    a = range(-extra_w,self.width+extra_w,side)

    b = range(-extra_h,self.height+extra_h,side)

    a = np.arange(-extra_w, self.width +extra_w, 2*side)

    b = np.arange(-extra_h, self.height+extra_h, 2*side)



    for x, y in [(x,y) for x in a for y in b]:

      # both even or both odd

      if (x+y)/side%2==0:



      for k,v in enumerate(template):



        # even-even black cell

        vcp = copy.copy(v)

        if   (type(v)==Wedge):

          vcp.set_center((tpts[k][0]+x,tpts[k][1]+y))
@@ -175,6 +182,14 @@ class Escher_Pattern: 
          vcp.set_xy((tpts[k][0]+x,tpts[k][1]+y))

        self.ax.add_patch(vcp)



        # odd-odd black cell

        vcp = copy.copy(v)

        if   (type(v)==Wedge):

          vcp.set_center((tpts[k][0]+x+side,tpts[k][1]+y+side))

        elif (type(v)==Rectangle):

          vcp.set_xy((tpts[k][0]+x+side,tpts[k][1]+y+side))

        self.ax.add_patch(vcp)



    # now rotate

    self.rotate(self.angle)
@@ -217,7 +232,7 @@ if __name__ == "__main__": 
  #ep = Escher_Pattern("test.pdf", escher=2.0, lpm=50, rotate=10)

  #http://192.168.0.137/escher/escher_pattern.php?PAGE_WIDTH=1524&PAGE_HEIGHT=3048&LPM=2.705449885575893&ROTATE=14.036243467

  ep = Escher_Pattern("test.pdf", width= 1524, height= 3048, escher=2.0, lpm=2.705449885575893, rotate=14.036243467)

  ep.test1()

  ep.generate()

  ep.save()