the button create plot has been added

netCDFVisualizer.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>1233</width>
-    <height>785</height>
+    <height>800</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -93,7 +93,10 @@
         <item row="0" column="1">
          <widget class="QTreeWidget" name="tree_data">
           <property name="styleSheet">
-           <string notr="true">alternate-background-color: rgb(85, 105, 131);</string>
+           <string notr="true">alternate-background-color: rgb(205, 233, 236);</string>
+          </property>
+          <property name="alternatingRowColors">
+           <bool>true</bool>
           </property>
           <property name="indentation">
            <number>20</number>
@@ -222,21 +225,27 @@
     </item>
    </layout>
   </widget>
-  <widget class="QPushButton" name="pushButton">
+  <widget class="QWidget" name="verticalLayoutWidget">
    <property name="geometry">
     <rect>
-     <x>520</x>
+     <x>480</x>
      <y>750</y>
-     <width>121</width>
-     <height>23</height>
+     <width>160</width>
+     <height>31</height>
     </rect>
    </property>
-   <property name="styleSheet">
-    <string notr="true">selection-background-color: rgb(83, 194, 200);</string>
-   </property>
-   <property name="text">
-    <string>create ebv_cube plot</string>
-   </property>
+   <layout class="QVBoxLayout" name="verticalLayout_2">
+    <item>
+     <widget class="QPushButton" name="pushButton">
+      <property name="styleSheet">
+       <string notr="true">selection-background-color: rgb(83, 194, 200);</string>
+      </property>
+      <property name="text">
+       <string>create ebv_cube plot</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
   </widget>
  </widget>
  <resources/>