u

src/yapsut/graphics.py

@@ -35,6 +35,30 @@ def curveXY2patch(x,y,returnVectors=False,closed=True,draw=True, ax=None,color=N
        else:
            return plt.gca().add_collection(PatchCollection([pol]))
 
+def curves2xy(Cup,Cdown,closed=True) :
+   """  converts an up curve and a down curve into a list of points to generate a partch
+
+        Cup, Cdown = curves = [X,Y]
+        assumed that Cup, Cdown have increasing X
+
+        the composed curve [X,Y] is oriented anticlockwise sense:
+            up: increasing X
+            down: decreasing X
+
+        closed = True, the curve is closed, otherwise is left open
+
+    Example:
+        X,Y=curves2xy([np.arange(5),np.arange(5)+10],[np.arange(5),-np.arange(5)])
+        plt.plot(X,Y)
+   """
+   import numpy as np
+   idxU=np.argsort(Cup[0])
+   idxD=np.argsort(Cdown[0])
+   idxD=np.array([idxD[k] for k in range(len(idxD)-1,-1,-1)],dtype=int)
+   idxO=np.array([0],dtype=int) if closed else []
+   X=np.concatenate([Cup[0][idxU],Cdown[0][idxD],Cup[0][idxO]])
+   Y=np.concatenate([Cup[1][idxU],Cdown[1][idxD],Cup[1][idxO]])
+   return X,Y
 
 class _SaveFig :
    class __history_fig :
@@ -260,14 +284,25 @@ class StandardFig() :
         # list of handles for various objects
         self._handle={}
         #
+        self.setfonts4paper()
+        #
+        self.legend_framealpha=None
+    def setfonts4paper(self) :
+       """sets figures with proportions for paper"""
+       self.fontsize_xylabels=18
        self.fontsize_ticks=16
        self.fontsize_labels=18
-        self.fontsize_xylabels=18
        self.fontsize_title=18
        self.fontsize_legend=18
        self.fontsize_legend_title=18
-        #
-        self.legend_framealpha=None
+    def setfonts4slides(self) :
+       """sets figures with proportions for 16:9 slides"""
+       self.fontsize_xylabels=32
+       self.fontsize_ticks=28
+       self.fontsize_labels=self.fontsize_xylabels
+       self.fontsize_title=32
+       self.fontsize_legend=self.fontsize_xylabels
+       self.fontsize_legend_title=self.fontsize_xylabels
     def copy(self) :
         import copy
         return self.deepcopy(self)