palette picker multiflex

rowers/forms.py

@@ -327,6 +327,11 @@ formaxlabelsmultiflex.pop('distance')
 formaxlabelsmultiflex['workoutid'] = 'Workout'
 parchoicesmultiflex = list(sorted(formaxlabelsmultiflex.items(), key = lambda x:x[1]))
 
+from utils import palettes
+#palettechoices = { key:key for key, value in palettes.iteritems() }
+
+palettechoices = tuple((p,p) for p in palettes.keys())
+
 
 class MultiFlexChoiceForm(forms.Form):
     xparam = forms.ChoiceField(choices=parchoicesmultiflex,
@@ -352,7 +357,10 @@ class MultiFlexChoiceForm(forms.Form):
     includereststrokes = forms.BooleanField(initial=False,
                                             required=False,
                                             label='Include Rest Strokes')
-    
+    palette = forms.ChoiceField(choices=palettechoices,
+                                label = 'Color Scheme',
+                                initial='monochrome_blue')
+     
 class ChartParamChoiceForm(forms.Form):
     plotchoices = (
         ('line','Line Plot'),

rowers/interactiveplots.py

@@ -1307,6 +1307,7 @@ def interactive_multiflex(datadf,xparam,yparam,groupby,extratitle='',
                  'line_color':"#969696",
                  'size':"groupsize",
                  'fill_color':"color",
+                 'fill_alpha':1.0,
              },
     )
 
@@ -1319,7 +1320,9 @@ def interactive_multiflex(datadf,xparam,yparam,groupby,extratitle='',
                             top_units='screen',
                             left_units='screen',
                             right_units='screen',
-                            fill_color=color)
+                            fill_color=color,
+                            fill_alpha=1.0,
+                            line_color=color)
         legendlabel = Label(x=571,y=503-20*nr,x_units='screen',
                             y_units='screen',
                             text = "{gvalue:3.0f}".format(gvalue=gvalue),

rowers/utils.py

@@ -5,15 +5,54 @@ import colorsys
 
 lbstoN = 4.44822
 
-def range_to_color_hex(groupcols):
+def trcolors(r1,g1,b1,r2,g2,b2):
-    rgb = [colorsys.hsv_to_rgb((207-4*x)/360.,
+    r1 = r1/255.
-                               0.06+0.89*x,
+    r2 = r2/255.
-                               1-0.38*x) for x in groupcols]
+    g1 = g1/255.
+    g2 = g2/255.
+    b2 = b2/255.
+    b1 = b1/255.
+    h1,s1,v1 = colorsys.rgb_to_hsv(r1,g1,b1)
+    h2,s2,v2 = colorsys.rgb_to_hsv(r2,g2,b2)
 
-    RGB = [(int(255.*r),int(255.*g),int(255.*b)) for (r, g, b) in rgb]
+    
-    colors = ["#%02x%02x%02x" % (r, g, b) for (r, g, b) in RGB]
+    return 360*h1,360*(h2-h1),s1,(s2-s1),v1,(v2-v1)
 
-    return colors
+palettes = {
+  'monochrome_blue':(207,-4,0.06,0.89,1.0,-0.38),
+  'gold_sunset':(47,-31,.26,-0.12,0.94,-0.5),
+  'blue_red':(207,-200,.85,0,.74,-.24),
+  'blue_green':(207,-120,.85,0,.75,.25),
+  'cyan_green':(192,-50,.08,.65,.98,-.34),
+  'cyan_purple':trcolors(237,248,251,136,65,157),
+  'green_blue':trcolors(240,249,232,8,104,172),
+  'orange_red':trcolors(254,240,217,179,0,0),
+  'cyan_blue':trcolors(241,238,246,4,90,141),
+  'cyan_green':trcolors(246,239,247,1,108,89),
+  'cyan_magenta':trcolors(241,238,246,152,0,67),
+  'beige_magenta':trcolors(254,235,226,122,1,119),
+  'yellow_green':trcolors(255,255,204,0,104,55),
+  'yellow_blue':trcolors(255,255,205,37,52,148),
+  'autumn':trcolors(255,255,212,153,52,4),
+  'yellow_red':trcolors(255,255,178,189,0,39)
+}
+
+
+def range_to_color_hex(groupcols,palette='monochrome_blue'):
+
+  try:
+    plt = palettes[palette]
+  except KeyErro:
+    plt = palettes['monochrome_blue']
+    
+  rgb = [colorsys.hsv_to_rgb((plt[0]+plt[1]*x)/360.,
+                             plt[2]+plt[3]*x,
+                             plt[4]+plt[5]*x) for x in groupcols]
+
+  RGB = [(int(255.*r),int(255.*g),int(255.*b)) for (r, g, b) in rgb]
+  colors = ["#%02x%02x%02x" % (r, g, b) for (r, g, b) in RGB]
+  
+  return colors
 
 def str2bool(v):
   return v.lower() in ("yes", "true", "t", "1")

rowers/views.py

@@ -3435,6 +3435,11 @@ def multiflex_view(request,userid=0,
         ploterrorbars = options['ploterrorbars']
     except KeyError:
         ploterrorbars = False
+
+    try:
+        palette = options['palette']
+    except KeyError:
+        palette = 'blue_green'
         
     workstrokesonly = not includereststrokes
 
@@ -3454,7 +3459,9 @@ def multiflex_view(request,userid=0,
             request.session['ploterrorbars'] = ploterrorbars
             request.session['includereststrokes'] = includereststrokes
             workstrokesonly = not includereststrokes
-
+            palette = chartform.cleaned_data['palette']
+            request.session['palette'] = palette
+            
             groupby = chartform.cleaned_data['groupby']
             binsize = chartform.cleaned_data['binsize']
             if binsize <= 0:
@@ -3482,6 +3489,8 @@ def multiflex_view(request,userid=0,
             request.session['ploterrorbars'] = ploterrorbars
             request.session['includereststrokes'] = includereststrokes
             workstrokesonly = not includereststrokes
+            palette = chartform.cleaned_data['palette']
+            request.session['palette'] = palette
 
             groupby = chartform.cleaned_data['groupby']
             binsize = chartform.cleaned_data['binsize']
@@ -3608,12 +3617,12 @@ def multiflex_view(request,userid=0,
         groupcols = np.array([1.])
         
 
-    colors = range_to_color_hex(groupcols)
+    colors = range_to_color_hex(groupcols,palette=palette)
     
     df['color'] = colors
 
     clegendx = np.arange(0,1.2,.2)
-    legcolors = range_to_color_hex(clegendx)
+    legcolors = range_to_color_hex(clegendx,palette=palette)
     clegendy = df['groupval'].min()+clegendx*(df['groupval'].max()-df['groupval'].min())