allow setting vmin and vmax

kabuki/actor.py

@@ -33,6 +33,8 @@ class Actor:
             cfg.sel_cmap.value = plt.palette
 
             cfg.sel_cmap.on_change("value", lambda _attr, _old, new: plt.change_cmap(new))
+            cfg.sp_vmin.on_change("value",  lambda _attr, _old, new: plt.change_vmin(new))
+            cfg.sp_vmax.on_change("value",  lambda _attr, _old, new: plt.change_vmax(new))
 
 
     def delete(self):

kabuki/cfgdlgs/cfgdlg2d.py

@@ -1,6 +1,6 @@
-from bokeh.models import Select, TextInput
+from bokeh.models import Select, Spinner, TextInput
 
-from ..buki import Column
+from ..buki import Column, Row
 
 
 CMAPS = [
@@ -16,11 +16,19 @@ class ConfigDialog2D(Column):
         self.ti_cache_size = ti_cache_size = TextInput(value="", title="Cache size:")
         ti_cache_size.disabled = True # 2D plot only shows the latest image
         self.sel_cmap = sel_cmap = Select(title="Colormap", options=CMAPS)
-        super().__init__(ti_cache_size, sel_cmap)
+        self.sp_vmin = sp_vmin = Spinner(title="Minimum Value")
+        self.sp_vmax = sp_vmax = Spinner(title="Maximum Value")
+        super().__init__(
+            ti_cache_size,
+            sel_cmap,
+            Row(sp_vmin, sp_vmax)
+        )
 
 
 
-#TODO: vmin, vmax, binning, log
+#TODO:
+#- binning
+#- log z
 
 
 

kabuki/plots/plot2d.py

@@ -39,5 +39,11 @@ class Plot2D(Object):
         self.palette = name
         self.cmap.palette = all_palettes[name][256]
 
+    def change_vmin(self, value):
+        self.cmap.low = value
+
+    def change_vmax(self, value):
+        self.cmap.high = value
+