Index: src/sas/qtgui/UI/SlitSizeCalculator.ui
===================================================================
--- src/sas/qtgui/UI/SlitSizeCalculator.ui	(revision d1fb22ee6434776caa4879fde89d210523f84d64)
+++ src/sas/qtgui/UI/SlitSizeCalculator.ui	(revision d1fb22ee6434776caa4879fde89d210523f84d64)
@@ -0,0 +1,141 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SlitSizeCalculator</class>
+ <widget class="QDialog" name="SlitSizeCalculator">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>496</width>
+    <height>253</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="windowIcon">
+   <iconset resource="main_resources.qrc">
+    <normaloff>:/res/ball.ico</normaloff>:/res/ball.ico</iconset>
+  </property>
+  <property name="toolTip">
+   <string/>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_3">
+   <item row="2" column="0">
+    <spacer name="verticalSpacer_2">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="0" column="0">
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Input</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout">
+        <item>
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Data</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="deltaq_in">
+          <property name="readOnly">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <widget class="QPushButton" name="closeButton">
+     <property name="toolTip">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Close this window.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="text">
+      <string>Close</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0" colspan="2">
+    <widget class="QGroupBox" name="groupBox_2">
+     <property name="title">
+      <string>Output</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_2">
+      <item row="0" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QLabel" name="label_3">
+          <property name="text">
+           <string>Slit Size (FWHM/2):</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="lengthscale_out">
+          <property name="readOnly">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item row="0" column="1">
+       <layout class="QHBoxLayout" name="horizontalLayout_3">
+        <item>
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Unit:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="lineEdit"/>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QPushButton" name="browseButton">
+     <property name="toolTip">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Compute the thickness or diameter.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="text">
+      <string>Browse</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QPushButton" name="helpButton">
+     <property name="toolTip">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Help using the Kiessing fringe calculator.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="text">
+      <string>Help</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="main_resources.qrc"/>
+ </resources>
+ <connections/>
+</ui>
