diff --git a/qraven/qraven_dialog_base.ui b/qraven/qraven_dialog_base.ui
index 213a341..e44fefe 100644
--- a/qraven/qraven_dialog_base.ui
+++ b/qraven/qraven_dialog_base.ui
@@ -23,7 +23,7 @@
       <enum>QTabWidget::North</enum>
      </property>
      <property name="currentIndex">
-      <number>0</number>
+      <number>1</number>
      </property>
      <property name="documentMode">
       <bool>false</bool>
@@ -51,7 +51,7 @@
         <enum>QTabWidget::Rounded</enum>
        </property>
        <property name="currentIndex">
-        <number>4</number>
+        <number>5</number>
        </property>
        <widget class="QWidget" name="tabWidgetPage1">
         <attribute name="title">
@@ -3171,221 +3171,161 @@
             <property name="geometry">
              <rect>
               <x>0</x>
-              <y>0</y>
+              <y>-771</y>
               <width>1004</width>
-              <height>1114</height>
+              <height>1190</height>
              </rect>
             </property>
             <layout class="QGridLayout" name="gridLayout_6">
-             <item row="18" column="2">
-              <widget class="QRadioButton" name="rb_fdr">
-               <property name="text">
-                <string>using_fdr</string>
-               </property>
-               <attribute name="buttonGroup">
-                <string notr="true">buttonGroup_2</string>
-               </attribute>
-              </widget>
+             <item row="35" column="2">
+              <widget class="QComboBox" name="combo_poisource"/>
              </item>
-             <item row="26" column="0">
-              <widget class="QLabel" name="label_53">
-               <property name="text">
-                <string>non_connected_lake_area_threshold</string>
+             <item row="24" column="2">
+              <widget class="QComboBox" name="combo_laketype">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
               </widget>
              </item>
-             <item row="13" column="0">
-              <widget class="QRadioButton" name="rb_outletpt">
-               <property name="toolTip">
-                <string>the extent is defined by the watershed generated from input dem and the watershed outlet coordinates</string>
-               </property>
+             <item row="33" column="0">
+              <widget class="QLabel" name="label_54">
                <property name="text">
-                <string>using_outlet_pt</string>
+                <string>Point_of_interest_attributes</string>
                </property>
-               <attribute name="buttonGroup">
-                <string notr="true">buttonGroup</string>
-               </attribute>
               </widget>
              </item>
-             <item row="10" column="1">
+             <item row="11" column="1">
               <widget class="QLabel" name="label_44">
                <property name="text">
                 <string>Define project spatial extent</string>
                </property>
               </widget>
              </item>
-             <item row="36" column="0">
-              <widget class="QLabel" name="label_36">
-               <property name="text">
-                <string>Where to save the results?</string>
-               </property>
-              </widget>
-             </item>
-             <item row="9" column="0">
-              <widget class="QLabel" name="label_49">
-               <property name="toolTip">
-                <string>The maximum RAM that BasinMaker will be allowed to use</string>
-               </property>
+             <item row="4" column="0">
+              <widget class="QLabel" name="label_59">
                <property name="text">
-                <string>Max memory (MB)</string>
+                <string>Landuse (raster)*</string>
                </property>
               </widget>
              </item>
-             <item row="34" column="1">
-              <widget class="QDoubleSpinBox" name="spin_ccoef">
-               <property name="enabled">
-                <bool>true</bool>
-               </property>
-               <property name="decimals">
-                <number>8</number>
+             <item row="5" column="1">
+              <widget class="QgsFileWidget" name="file_lakes">
+               <property name="focusPolicy">
+                <enum>Qt::TabFocus</enum>
                </property>
-               <property name="maximum">
-                <double>99999.999999000006937</double>
+               <property name="filter">
+                <string>*.shp</string>
                </property>
               </widget>
              </item>
-             <item row="30" column="1">
-              <widget class="QLineEdit" name="txt_epsgcode">
+             <item row="21" column="2">
+              <widget class="QgsFileWidget" name="file_fdr">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="placeholderText">
-                <string>32187</string>
+               <property name="toolTip">
+                <string>path of flow direction input dataset</string>
                </property>
               </widget>
              </item>
-             <item row="25" column="0">
-              <widget class="QLabel" name="label_52">
+             <item row="20" column="1">
+              <widget class="QRadioButton" name="rb_dem">
                <property name="text">
-                <string>connected_lake_area_threshold</string>
-               </property>
-              </widget>
-             </item>
-             <item row="13" column="2">
-              <widget class="QLineEdit" name="txt_outletlon">
-               <property name="enabled">
-                <bool>false</bool>
+                <string>using_dem</string>
                </property>
-               <property name="placeholderText">
-                <string>Lon</string>
+               <property name="checked">
+                <bool>true</bool>
                </property>
+               <attribute name="buttonGroup">
+                <string notr="true">buttonGroup_2</string>
+               </attribute>
               </widget>
              </item>
-             <item row="2" column="1">
-              <widget class="QgsFileWidget" name="file_dem">
-               <property name="focusPolicy">
-                <enum>Qt::StrongFocus</enum>
+             <item row="41" column="0">
+              <widget class="QLabel" name="label_57">
+               <property name="toolTip">
+                <string>if k and c is provided, the path_bkfwidthdepth_polyline will not be used</string>
+               </property>
+               <property name="text">
+                <string>K</string>
                </property>
               </widget>
              </item>
-             <item row="31" column="2">
-              <widget class="QLineEdit" name="txt_bankfulldepth">
-               <property name="enabled">
-                <bool>false</bool>
+             <item row="38" column="0">
+              <widget class="QCheckBox" name="chk_epsgcode">
+               <property name="layoutDirection">
+                <enum>Qt::LeftToRight</enum>
                </property>
-               <property name="placeholderText">
-                <string>Bankfull depth (m) - required</string>
+               <property name="text">
+                <string>projected_epsg_code</string>
                </property>
               </widget>
              </item>
-             <item row="31" column="1">
-              <widget class="QLineEdit" name="txt_bankfullwidth">
+             <item row="14" column="1">
+              <widget class="QLineEdit" name="txt_outletlat">
                <property name="enabled">
                 <bool>false</bool>
                </property>
                <property name="placeholderText">
-                <string>Bankfull width (m) - required</string>
-               </property>
-              </widget>
-             </item>
-             <item row="5" column="0">
-              <widget class="QLabel" name="label_39">
-               <property name="text">
-                <string>Lakes*</string>
+                <string>Lat</string>
                </property>
               </widget>
              </item>
-             <item row="5" column="1">
-              <widget class="QgsFileWidget" name="file_lakes">
+             <item row="4" column="1">
+              <widget class="QgsFileWidget" name="file_landuserast">
                <property name="focusPolicy">
                 <enum>Qt::TabFocus</enum>
                </property>
-               <property name="filter">
-                <string>*.shp</string>
-               </property>
               </widget>
              </item>
-             <item row="3" column="0">
-              <widget class="QLabel" name="label_35">
-               <property name="text">
-                <string>Landuse (polygons)</string>
-               </property>
-              </widget>
-             </item>
-             <item row="12" column="0">
-              <widget class="QRadioButton" name="rb_modehybasin">
-               <property name="toolTip">
-                <string>the extent is defined by subbasins that are drainage to the provided watershed outlet subbasins ID in HydroBASINS product</string>
-               </property>
+             <item row="2" column="0">
+              <widget class="QLabel" name="label_34">
                <property name="text">
-                <string>using_hybasin</string>
-               </property>
-               <attribute name="buttonGroup">
-                <string notr="true">buttonGroup</string>
-               </attribute>
-              </widget>
-             </item>
-             <item row="28" column="2">
-              <widget class="QLineEdit" name="txt_poisource">
-               <property name="enabled">
-                <bool>true</bool>
-               </property>
-               <property name="placeholderText">
-                <string>source of observation point</string>
+                <string>DEM</string>
                </property>
               </widget>
              </item>
-             <item row="26" column="1">
-              <widget class="QDoubleSpinBox" name="spin_nonconlakearea">
+             <item row="39" column="1">
+              <widget class="QComboBox" name="combo_bankfullwidth">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="maximum">
-                <double>1000000.000000000000000</double>
-               </property>
               </widget>
              </item>
-             <item row="8" column="1">
-              <widget class="QgsFileWidget" name="file_pointsinterest">
-               <property name="focusPolicy">
-                <enum>Qt::TabFocus</enum>
+             <item row="15" column="0">
+              <widget class="QRadioButton" name="rb_providedply">
+               <property name="toolTip">
+                <string>the extent of provided polygon is used</string>
                </property>
-               <property name="filter">
-                <string>*.shp</string>
+               <property name="text">
+                <string>using_provided_ply</string>
                </property>
+               <attribute name="buttonGroup">
+                <string notr="true">buttonGroup</string>
+               </attribute>
               </widget>
              </item>
-             <item row="7" column="0">
-              <widget class="QLabel" name="label_41">
+             <item row="6" column="0">
+              <widget class="QLabel" name="label_40">
                <property name="text">
-                <string>Soil</string>
+                <string>Bankfull width*</string>
                </property>
               </widget>
              </item>
-             <item row="14" column="0">
-              <widget class="QRadioButton" name="rb_providedply">
-               <property name="toolTip">
-                <string>the extent of provided polygon is used</string>
-               </property>
+             <item row="20" column="2">
+              <widget class="QRadioButton" name="rb_fdr">
                <property name="text">
-                <string>using_provided_ply</string>
+                <string>using_fdr</string>
                </property>
                <attribute name="buttonGroup">
-                <string notr="true">buttonGroup</string>
+                <string notr="true">buttonGroup_2</string>
                </attribute>
               </widget>
              </item>
-             <item row="25" column="1">
+             <item row="33" column="2">
+              <widget class="QComboBox" name="combo_poiname"/>
+             </item>
+             <item row="29" column="1">
               <widget class="QDoubleSpinBox" name="spin_conlakearea">
                <property name="enabled">
                 <bool>false</bool>
@@ -3395,168 +3335,164 @@
                </property>
               </widget>
              </item>
-             <item row="17" column="0">
-              <widget class="QLabel" name="label_47">
+             <item row="42" column="0">
+              <widget class="QLabel" name="label_58">
                <property name="toolTip">
-                <string>flow accumulation thresthold</string>
+                <string>if k and c is provided, the path_bkfwidthdepth_polyline will not be used</string>
                </property>
                <property name="text">
-                <string>fac_threshold</string>
+                <string>C</string>
                </property>
               </widget>
              </item>
-             <item row="6" column="0">
-              <widget class="QLabel" name="label_40">
+             <item row="10" column="1">
+              <spacer name="horizontalSpacer_3">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item row="22" column="1">
+              <spacer name="horizontalSpacer_2">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item row="16" column="0">
+              <widget class="QLabel" name="label_45">
                <property name="text">
-                <string>Bankfull width*</string>
+                <string>buffer_distance</string>
                </property>
               </widget>
              </item>
-             <item row="33" column="1">
-              <widget class="QDoubleSpinBox" name="spin_kcoef">
-               <property name="enabled">
-                <bool>true</bool>
+             <item row="1" column="1">
+              <widget class="QLabel" name="label_43">
+               <property name="lineWidth">
+                <number>0</number>
                </property>
-               <property name="decimals">
-                <number>8</number>
+               <property name="midLineWidth">
+                <number>0</number>
                </property>
-               <property name="maximum">
-                <double>99999.999999000006937</double>
+               <property name="text">
+                <string>Files location</string>
                </property>
               </widget>
              </item>
-             <item row="30" column="0">
-              <widget class="QCheckBox" name="chk_epsgcode">
-               <property name="layoutDirection">
-                <enum>Qt::LeftToRight</enum>
+             <item row="13" column="2">
+              <widget class="QLineEdit" name="txt_hybasin">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
-               <property name="text">
-                <string>projected_epsg_code</string>
+               <property name="placeholderText">
+                <string>id</string>
                </property>
               </widget>
              </item>
-             <item row="35" column="0">
-              <widget class="QLabel" name="label_60">
+             <item row="9" column="0">
+              <widget class="QLabel" name="label_49">
+               <property name="toolTip">
+                <string>The maximum RAM that BasinMaker will be allowed to use</string>
+               </property>
                <property name="text">
-                <string>path_land_use_and_manning_n_table</string>
+                <string>Max memory (MB)</string>
                </property>
               </widget>
              </item>
-             <item row="29" column="1">
+             <item row="37" column="1">
               <widget class="QLabel" name="label_55">
                <property name="text">
                 <string>Add hydrology related attributes</string>
                </property>
               </widget>
              </item>
-             <item row="28" column="1">
-              <widget class="QLineEdit" name="txt_poidrainarea">
-               <property name="enabled">
-                <bool>true</bool>
-               </property>
-               <property name="placeholderText">
-                <string>drainage area - required</string>
-               </property>
-              </widget>
-             </item>
-             <item row="4" column="1">
-              <widget class="QgsFileWidget" name="file_landuserast">
+             <item row="7" column="1">
+              <widget class="QgsFileWidget" name="file_soil">
                <property name="focusPolicy">
                 <enum>Qt::TabFocus</enum>
                </property>
+               <property name="filter">
+                <string>*.shp</string>
+               </property>
               </widget>
              </item>
-             <item row="17" column="1">
-              <widget class="QDoubleSpinBox" name="spin_facthreshold">
-               <property name="enabled">
-                <bool>true</bool>
-               </property>
+             <item row="8" column="0">
+              <widget class="QLabel" name="label_42">
                <property name="toolTip">
-                <string/>
-               </property>
-               <property name="decimals">
-                <number>8</number>
-               </property>
-               <property name="maximum">
-                <double>999999999.999989986419678</double>
+                <string>path of the point shapefile that indicate points of interest,which can include different observation gauges</string>
                </property>
-              </widget>
-             </item>
-             <item row="22" column="0">
-              <widget class="QLabel" name="label_51">
                <property name="text">
-                <string>lake_attributes</string>
+                <string>Points of interest</string>
                </property>
               </widget>
              </item>
-             <item row="15" column="0">
-              <widget class="QLabel" name="label_45">
+             <item row="13" column="0">
+              <widget class="QRadioButton" name="rb_modehybasin">
+               <property name="toolTip">
+                <string>the extent is defined by subbasins that are drainage to the provided watershed outlet subbasins ID in HydroBASINS product</string>
+               </property>
                <property name="text">
-                <string>buffer_distance</string>
+                <string>using_hybasin</string>
                </property>
+               <attribute name="buttonGroup">
+                <string notr="true">buttonGroup</string>
+               </attribute>
               </widget>
              </item>
-             <item row="35" column="1">
-              <widget class="QgsFileWidget" name="file_landusemanning">
-               <property name="enabled">
-                <bool>false</bool>
+             <item row="17" column="1">
+              <spacer name="horizontalSpacer_4">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
                </property>
-               <property name="focusPolicy">
-                <enum>Qt::TabFocus</enum>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
                </property>
-               <property name="filter">
-                <string>*.csv</string>
-               </property>
-              </widget>
+              </spacer>
              </item>
-             <item row="13" column="1">
-              <widget class="QLineEdit" name="txt_outletlat">
+             <item row="27" column="1">
+              <widget class="QComboBox" name="combo_lakeavgdepth">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="placeholderText">
-                <string>Lat</string>
-               </property>
               </widget>
              </item>
-             <item row="14" column="1">
-              <widget class="QgsFileWidget" name="file_providedply">
-               <property name="enabled">
-                <bool>false</bool>
-               </property>
+             <item row="3" column="1">
+              <widget class="QgsFileWidget" name="file_landusepoly">
                <property name="focusPolicy">
-                <enum>Qt::TabFocus</enum>
-               </property>
-               <property name="toolTip">
-                <string>path_to_spatial_extent_polygon</string>
+                <enum>Qt::StrongFocus</enum>
                </property>
                <property name="filter">
                 <string>*.shp</string>
                </property>
               </widget>
              </item>
-             <item row="32" column="2">
-              <widget class="QLineEdit" name="txt_bankfulldrainarea">
-               <property name="enabled">
-                <bool>false</bool>
-               </property>
-               <property name="placeholderText">
-                <string>Drainage area (km2) - required</string>
+             <item row="39" column="0">
+              <widget class="QLabel" name="label_56">
+               <property name="text">
+                <string>bkfwd_attributes</string>
                </property>
               </widget>
              </item>
-             <item row="22" column="2">
-              <widget class="QLineEdit" name="txt_laketype">
-               <property name="enabled">
-                <bool>false</bool>
-               </property>
-               <property name="placeholderText">
-                <string>type of lake</string>
+             <item row="12" column="0">
+              <widget class="QRadioButton" name="rb_modedem">
+               <property name="toolTip">
+                <string>the extent of input dem is used</string>
                </property>
-              </widget>
-             </item>
-             <item row="18" column="1">
-              <widget class="QRadioButton" name="rb_dem">
                <property name="text">
                 <string>using_dem</string>
                </property>
@@ -3564,310 +3500,374 @@
                 <bool>true</bool>
                </property>
                <attribute name="buttonGroup">
-                <string notr="true">buttonGroup_2</string>
+                <string notr="true">buttonGroup</string>
                </attribute>
               </widget>
              </item>
-             <item row="3" column="1">
-              <widget class="QgsFileWidget" name="file_landusepoly">
-               <property name="focusPolicy">
-                <enum>Qt::StrongFocus</enum>
-               </property>
-               <property name="filter">
-                <string>*.shp</string>
+             <item row="27" column="2">
+              <widget class="QComboBox" name="combo_lakearea">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
               </widget>
              </item>
-             <item row="31" column="0">
-              <widget class="QLabel" name="label_56">
+             <item row="24" column="0">
+              <widget class="QLabel" name="label_51">
                <property name="text">
-                <string>bkfwd_attributes</string>
+                <string>lake_attributes</string>
                </property>
               </widget>
              </item>
-             <item row="21" column="1">
-              <widget class="QLabel" name="label_50">
-               <property name="text">
-                <string>Add lake and obs control points</string>
+             <item row="41" column="1">
+              <widget class="QDoubleSpinBox" name="spin_kcoef">
+               <property name="enabled">
+                <bool>true</bool>
+               </property>
+               <property name="decimals">
+                <number>8</number>
+               </property>
+               <property name="maximum">
+                <double>99999.999999000006937</double>
                </property>
               </widget>
              </item>
-             <item row="7" column="1">
-              <widget class="QgsFileWidget" name="file_soil">
-               <property name="focusPolicy">
-                <enum>Qt::TabFocus</enum>
-               </property>
-               <property name="filter">
-                <string>*.shp</string>
+             <item row="29" column="0">
+              <widget class="QLabel" name="label_52">
+               <property name="text">
+                <string>connected_lake_area_threshold</string>
                </property>
               </widget>
              </item>
-             <item row="6" column="1">
-              <widget class="QgsFileWidget" name="file_bankfullwidth">
+             <item row="44" column="1">
+              <widget class="QgsFileWidget" name="file_outputfolder">
                <property name="focusPolicy">
                 <enum>Qt::TabFocus</enum>
                </property>
-               <property name="filter">
-                <string>*.shp</string>
+               <property name="storageMode">
+                <enum>QgsFileWidget::GetDirectory</enum>
                </property>
               </widget>
              </item>
-             <item row="9" column="1">
-              <widget class="QSpinBox" name="spin_ram">
-               <property name="minimum">
-                <number>524</number>
+             <item row="42" column="1">
+              <widget class="QDoubleSpinBox" name="spin_ccoef">
+               <property name="enabled">
+                <bool>true</bool>
+               </property>
+               <property name="decimals">
+                <number>8</number>
                </property>
                <property name="maximum">
-                <number>64000</number>
+                <double>99999.999999000006937</double>
                </property>
-               <property name="singleStep">
-                <number>2</number>
+              </widget>
+             </item>
+             <item row="5" column="0">
+              <widget class="QLabel" name="label_39">
+               <property name="text">
+                <string>Lakes*</string>
                </property>
-               <property name="stepType">
-                <enum>QAbstractSpinBox::DefaultStepType</enum>
+              </widget>
+             </item>
+             <item row="43" column="0">
+              <widget class="QLabel" name="label_60">
+               <property name="text">
+                <string>path_land_use_and_manning_n_table</string>
                </property>
-               <property name="value">
-                <number>4096</number>
+              </widget>
+             </item>
+             <item row="30" column="1">
+              <widget class="QDoubleSpinBox" name="spin_nonconlakearea">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
-               <property name="displayIntegerBase">
-                <number>10</number>
+               <property name="maximum">
+                <double>1000000.000000000000000</double>
                </property>
               </widget>
              </item>
-             <item row="16" column="1">
-              <widget class="QLabel" name="label_46">
+             <item row="23" column="1">
+              <widget class="QLabel" name="label_50">
                <property name="text">
-                <string>Delineate routing structure without lakes</string>
+                <string>Add lake and obs control points</string>
                </property>
               </widget>
              </item>
-             <item row="23" column="1">
-              <widget class="QLineEdit" name="txt_lakeavgdepth">
+             <item row="39" column="2">
+              <widget class="QComboBox" name="combo_bankfulldepth">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="placeholderText">
-                <string>average depth (m)</string>
-               </property>
               </widget>
              </item>
-             <item row="1" column="1">
-              <widget class="QLabel" name="label_43">
-               <property name="lineWidth">
-                <number>0</number>
-               </property>
-               <property name="midLineWidth">
-                <number>0</number>
-               </property>
+             <item row="44" column="0">
+              <widget class="QLabel" name="label_36">
                <property name="text">
-                <string>Files location</string>
+                <string>Where to save the results?</string>
                </property>
               </widget>
              </item>
-             <item row="11" column="0">
-              <widget class="QRadioButton" name="rb_modedem">
+             <item row="19" column="1">
+              <widget class="QDoubleSpinBox" name="spin_facthreshold">
+               <property name="enabled">
+                <bool>true</bool>
+               </property>
                <property name="toolTip">
-                <string>the extent of input dem is used</string>
+                <string/>
                </property>
-               <property name="text">
-                <string>using_dem</string>
+               <property name="decimals">
+                <number>8</number>
                </property>
-               <property name="checked">
-                <bool>true</bool>
+               <property name="maximum">
+                <double>999999999.999989986419678</double>
+               </property>
+               <property name="value">
+                <double>9000.000000000000000</double>
                </property>
-               <attribute name="buttonGroup">
-                <string notr="true">buttonGroup</string>
-               </attribute>
               </widget>
              </item>
-             <item row="19" column="2">
-              <widget class="QgsFileWidget" name="file_fdr">
+             <item row="24" column="1">
+              <widget class="QComboBox" name="combo_lakeid">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="toolTip">
-                <string>path of flow direction input dataset</string>
+              </widget>
+             </item>
+             <item row="35" column="1">
+              <widget class="QComboBox" name="combo_poidrainarea"/>
+             </item>
+             <item row="1" column="2">
+              <widget class="QLabel" name="label_61">
+               <property name="text">
+                <string>*Optional layers</string>
+               </property>
+               <property name="alignment">
+                <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                </property>
               </widget>
              </item>
-             <item row="15" column="1">
-              <widget class="QDoubleSpinBox" name="spin_buffer">
+             <item row="13" column="1">
+              <widget class="QgsFileWidget" name="file_hybasin">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="toolTip">
-                <string>The unit is the same with the spatial unit of input DEM</string>
+               <property name="focusPolicy">
+                <enum>Qt::TabFocus</enum>
                </property>
-               <property name="decimals">
-                <number>8</number>
+               <property name="toolTip">
+                <string>path_to_hydrobasin_polygon</string>
                </property>
-               <property name="maximum">
-                <double>999999.999990000040270</double>
+               <property name="filter">
+                <string>*.shp</string>
                </property>
               </widget>
              </item>
-             <item row="33" column="0">
-              <widget class="QLabel" name="label_57">
-               <property name="toolTip">
-                <string>if k and c is provided, the path_bkfwidthdepth_polyline will not be used</string>
+             <item row="38" column="1">
+              <widget class="QLineEdit" name="txt_epsgcode">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
-               <property name="text">
-                <string>K</string>
+               <property name="placeholderText">
+                <string>32187</string>
                </property>
               </widget>
              </item>
-             <item row="27" column="0">
-              <widget class="QLabel" name="label_54">
+             <item row="20" column="0">
+              <widget class="QLabel" name="label_48">
                <property name="text">
-                <string>Point_of_interest_attributes</string>
+                <string>mode</string>
                </property>
               </widget>
              </item>
-             <item row="27" column="2">
-              <widget class="QLineEdit" name="txt_poiname">
-               <property name="enabled">
-                <bool>true</bool>
+             <item row="6" column="1">
+              <widget class="QgsFileWidget" name="file_bankfullwidth">
+               <property name="focusPolicy">
+                <enum>Qt::TabFocus</enum>
                </property>
-               <property name="placeholderText">
-                <string>unique name</string>
+               <property name="filter">
+                <string>*.shp</string>
                </property>
               </widget>
              </item>
-             <item row="36" column="1">
-              <widget class="QgsFileWidget" name="file_outputfolder">
-               <property name="focusPolicy">
-                <enum>Qt::TabFocus</enum>
+             <item row="28" column="1">
+              <widget class="QComboBox" name="combo_lakevol">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
-               <property name="storageMode">
-                <enum>QgsFileWidget::GetDirectory</enum>
+              </widget>
+             </item>
+             <item row="40" column="2">
+              <widget class="QComboBox" name="combo_bankfulldrainarea">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
               </widget>
              </item>
-             <item row="4" column="0">
-              <widget class="QLabel" name="label_59">
+             <item row="30" column="0">
+              <widget class="QLabel" name="label_53">
                <property name="text">
-                <string>Landuse (raster)*</string>
+                <string>non_connected_lake_area_threshold</string>
                </property>
               </widget>
              </item>
-             <item row="2" column="0">
-              <widget class="QLabel" name="label_34">
+             <item row="18" column="1">
+              <widget class="QLabel" name="label_46">
                <property name="text">
-                <string>DEM</string>
+                <string>Delineate routing structure without lakes</string>
                </property>
               </widget>
              </item>
-             <item row="27" column="1">
-              <widget class="QLineEdit" name="txt_poiid">
-               <property name="enabled">
-                <bool>true</bool>
+             <item row="19" column="0">
+              <widget class="QLabel" name="label_47">
+               <property name="toolTip">
+                <string>flow accumulation thresthold</string>
                </property>
-               <property name="placeholderText">
-                <string>id - required</string>
+               <property name="text">
+                <string>fac_threshold</string>
                </property>
               </widget>
              </item>
-             <item row="1" column="2">
-              <widget class="QLabel" name="label_61">
-               <property name="text">
-                <string>*Optional layers</string>
-               </property>
-               <property name="alignment">
-                <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+             <item row="40" column="1">
+              <widget class="QComboBox" name="combo_bankfulldischarge">
+               <property name="enabled">
+                <bool>false</bool>
                </property>
               </widget>
              </item>
-             <item row="32" column="1">
-              <widget class="QLineEdit" name="txt_bankfulldischarge">
+             <item row="15" column="1">
+              <widget class="QgsFileWidget" name="file_providedply">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="placeholderText">
-                <string>Annual mean dischage (m3/s) - required</string>
+               <property name="focusPolicy">
+                <enum>Qt::TabFocus</enum>
+               </property>
+               <property name="toolTip">
+                <string>path_to_spatial_extent_polygon</string>
+               </property>
+               <property name="filter">
+                <string>*.shp</string>
                </property>
               </widget>
              </item>
-             <item row="8" column="0">
-              <widget class="QLabel" name="label_42">
-               <property name="toolTip">
-                <string>path of the point shapefile that indicate points of interest,which can include different observation gauges</string>
+             <item row="2" column="1">
+              <widget class="QgsFileWidget" name="file_dem">
+               <property name="focusPolicy">
+                <enum>Qt::StrongFocus</enum>
                </property>
+              </widget>
+             </item>
+             <item row="7" column="0">
+              <widget class="QLabel" name="label_41">
                <property name="text">
-                <string>Points of interest</string>
+                <string>Soil</string>
                </property>
               </widget>
              </item>
-             <item row="22" column="1">
-              <widget class="QLineEdit" name="txt_lakeid">
+             <item row="43" column="1">
+              <widget class="QgsFileWidget" name="file_landusemanning">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="placeholderText">
-                <string>id - required</string>
-               </property>
-              </widget>
-             </item>
-             <item row="34" column="0">
-              <widget class="QLabel" name="label_58">
-               <property name="toolTip">
-                <string>if k and c is provided, the path_bkfwidthdepth_polyline will not be used</string>
+               <property name="focusPolicy">
+                <enum>Qt::TabFocus</enum>
                </property>
-               <property name="text">
-                <string>C</string>
+               <property name="filter">
+                <string>*.csv</string>
                </property>
               </widget>
              </item>
-             <item row="23" column="2">
-              <widget class="QLineEdit" name="txt_lakearea">
+             <item row="14" column="2">
+              <widget class="QLineEdit" name="txt_outletlon">
                <property name="enabled">
                 <bool>false</bool>
                </property>
                <property name="placeholderText">
-                <string>area of lakes (km2) - required</string>
+                <string>Lon</string>
                </property>
               </widget>
              </item>
-             <item row="12" column="1">
-              <widget class="QgsFileWidget" name="file_hybasin">
-               <property name="enabled">
-                <bool>false</bool>
+             <item row="3" column="0">
+              <widget class="QLabel" name="label_35">
+               <property name="text">
+                <string>Landuse (polygons)</string>
+               </property>
+              </widget>
+             </item>
+             <item row="9" column="1">
+              <widget class="QSpinBox" name="spin_ram">
+               <property name="minimum">
+                <number>524</number>
+               </property>
+               <property name="maximum">
+                <number>64000</number>
+               </property>
+               <property name="singleStep">
+                <number>2</number>
+               </property>
+               <property name="stepType">
+                <enum>QAbstractSpinBox::DefaultStepType</enum>
+               </property>
+               <property name="value">
+                <number>4096</number>
+               </property>
+               <property name="displayIntegerBase">
+                <number>10</number>
                </property>
+              </widget>
+             </item>
+             <item row="8" column="1">
+              <widget class="QgsFileWidget" name="file_pointsinterest">
                <property name="focusPolicy">
                 <enum>Qt::TabFocus</enum>
                </property>
-               <property name="toolTip">
-                <string>path_to_hydrobasin_polygon</string>
-               </property>
                <property name="filter">
                 <string>*.shp</string>
                </property>
               </widget>
              </item>
-             <item row="18" column="0">
-              <widget class="QLabel" name="label_48">
-               <property name="text">
-                <string>mode</string>
+             <item row="36" column="1">
+              <spacer name="horizontalSpacer">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
                </property>
-              </widget>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
              </item>
-             <item row="24" column="1">
-              <widget class="QLineEdit" name="txt_lakevol">
+             <item row="33" column="1">
+              <widget class="QComboBox" name="combo_poiid"/>
+             </item>
+             <item row="16" column="1">
+              <widget class="QDoubleSpinBox" name="spin_buffer">
                <property name="enabled">
                 <bool>false</bool>
                </property>
-               <property name="placeholderText">
-                <string>volume of lakes (km3) - required</string>
+               <property name="toolTip">
+                <string>The unit is the same with the spatial unit of input DEM</string>
+               </property>
+               <property name="decimals">
+                <number>8</number>
+               </property>
+               <property name="maximum">
+                <double>999999.999990000040270</double>
                </property>
               </widget>
              </item>
-             <item row="12" column="2">
-              <widget class="QLineEdit" name="txt_hybasin">
-               <property name="enabled">
-                <bool>false</bool>
+             <item row="14" column="0">
+              <widget class="QRadioButton" name="rb_outletpt">
+               <property name="toolTip">
+                <string>the extent is defined by the watershed generated from input dem and the watershed outlet coordinates</string>
                </property>
-               <property name="placeholderText">
-                <string>id</string>
+               <property name="text">
+                <string>using_outlet_pt</string>
                </property>
+               <attribute name="buttonGroup">
+                <string notr="true">buttonGroup</string>
+               </attribute>
               </widget>
              </item>
             </layout>
@@ -4312,23 +4312,10 @@
   <tabstop>spin_facthreshold</tabstop>
   <tabstop>rb_dem</tabstop>
   <tabstop>rb_fdr</tabstop>
-  <tabstop>txt_lakeid</tabstop>
-  <tabstop>txt_laketype</tabstop>
-  <tabstop>txt_lakeavgdepth</tabstop>
-  <tabstop>txt_lakearea</tabstop>
-  <tabstop>txt_lakevol</tabstop>
   <tabstop>spin_conlakearea</tabstop>
   <tabstop>spin_nonconlakearea</tabstop>
-  <tabstop>txt_poiid</tabstop>
-  <tabstop>txt_poiname</tabstop>
-  <tabstop>txt_poidrainarea</tabstop>
-  <tabstop>txt_poisource</tabstop>
   <tabstop>chk_epsgcode</tabstop>
   <tabstop>txt_epsgcode</tabstop>
-  <tabstop>txt_bankfullwidth</tabstop>
-  <tabstop>txt_bankfulldepth</tabstop>
-  <tabstop>txt_bankfulldischarge</tabstop>
-  <tabstop>txt_bankfulldrainarea</tabstop>
   <tabstop>spin_kcoef</tabstop>
   <tabstop>spin_ccoef</tabstop>
   <tabstop>file_landusemanning</tabstop>
@@ -4382,7 +4369,7 @@
   </connection>
  </connections>
  <buttongroups>
-  <buttongroup name="buttonGroup"/>
   <buttongroup name="buttonGroup_2"/>
+  <buttongroup name="buttonGroup"/>
  </buttongroups>
 </ui>