AQ_Sim_2D.cs: Avoid potential issue with negative model-linked water-…

…flow values

TVolume.cs Bullet-proof Manning's Volume Calculation
Update of splash form to provide more information and link to help file
Users Manual update to add more info about model linkage and improve formatting

Data.Simulate.AQUATOX/AQ_Sim_2D.cs

@@ -793,7 +793,8 @@ public void VolFlowFromHAWQS(TVolume TVol, Dictionary<DateTime, HAWQSRCHRow> Thi
 
             foreach (KeyValuePair<DateTime, HAWQSRCHRow> pair in ThisSeg)
             {
-                DischargLoad.list.Add(pair.Key, pair.Value.vals[0] * 86400);  //flow from RCH_Daily file -- converted from cms to m3/d
+                double disch = (pair.Value.vals[0] * 86400 > 0) ? pair.Value.vals[0] * 86400 : 0 ;
+                DischargLoad.list.Add(pair.Key, disch);  //flow from RCH_Daily file -- converted from cms to m3/d
             }
 
             TVol.LoadNotes1 = "Flows from HAWQS converted to m3/day";
@@ -870,7 +871,7 @@ public void VolFlowFromHAWQS(TVolume TVol, Dictionary<DateTime, HAWQSRCHRow> Thi
                     double COMID_IC = (InitFlow <= 0) ? 0 : ThisSeg[FirstDay].vals[col_OUT] / InitFlow * 0.0115740;  // (kg/d) / (m3/s) * (mg/kg * d/s * m3/L)
                     if (isSED) COMID_IC *= 1000;  // sed is in units of tons
                     if (isCHLA) COMID_IC = COMID_IC * PPhyto.PAlgalRec.Plant_to_Chla.Val / 1.90;
-                    //             mg/L OM      =   mg/L chl-a            C to chl-a                    g OM / g OC
+                    //         mg/L OM  =   mg/L chl-a              C to chl-a          g OM / g OC
 
                     if (SegIndex == 1) TSV.InitialCond = COMID_IC;
                     else TSV.InitialCond = (COMID_IC + TSV.InitialCond * (SegIndex - 1)) / SegIndex;  //Average initial condition for all COMIDs within the WBCOMID
@@ -1520,7 +1521,7 @@ public string Pass_Data(AQTSim Sim, int SrcID, int ninputs, bool passMass, ref S
                             {
                                 totOutVol = totOutVol + Convert.ToDouble(its.Data.Values.ElementAt(i)[0]) * 86400;     //fixme potential issue if master setup time-step changes or simulation time-period is increased since NWM data gathering
                                                                                                                        // m3/d       m3/d                                        m3/s               s/d
-                                frac_this_segment = OutVol / totOutVol;
+                                frac_this_segment = totOutVol > 0 ? OutVol / totOutVol : 1;
                             }
 
                         double InVol = flowLoad.ReturnLoad(AR.dates[i]);  // inflow volume to current segment,   If velocity is not used, must be estimated as current seg. outflow 
@@ -1543,7 +1544,8 @@ public string Pass_Data(AQTSim Sim, int SrcID, int ninputs, bool passMass, ref S
                                 double otherSegFlows = previous_flows.Values[i];  //sum of other-segment flows into this segment in this time step
                                 double thisSegFlows = OutVol * frac_this_segment; //flows into this segment from passage segment this time step
                                 double totFlows = otherSegFlows + thisSegFlows;   //total flows into this segment this time step
-                                newlist.Add(AR.dates[i], (TSV.LoadsRec.Loadings.list.Values[i] * otherSegFlows + AR.concs[iTSV][i] * thisSegFlows) / totFlows);  //weighted-averaging second or third inputs by volume of water.  
+                                double weightavg = totFlows > 0 ? (TSV.LoadsRec.Loadings.list.Values[i] * otherSegFlows + AR.concs[iTSV][i] * thisSegFlows) / totFlows : 0;
+                                newlist.Add(AR.dates[i], weightavg);  //weighted-averaging second or third inputs by volume of water.  
                             }
                         }
                     }

Data.Simulate.AQUATOX/TVolume.cs

@@ -104,6 +104,9 @@ public double Manning_Volume()
             // AVERAGE FLOW DISCHARGE
             Q = Discharg / 86400.0;
             // m3/s // m3/d  // s/d
+
+            if (Q < 0) Q = 0;  //bullet proof 4/4/2024
+
             Width = Location.Locale.SurfArea.Val / (Location.Locale.SiteLength.Val * 1000.0);
             // m                   // sq.m                      // km       // m/km
             Y = Math.Pow((Q * Location.ManningCoeff()) / (Math.Sqrt(Location.Locale.Channel_Slope.Val) * Width), 0.6);

GUI/GUI.AQUATOX/MultiSegForm.cs

@@ -2914,13 +2914,14 @@ void AddHAWQSRchData(long longKey, DateTime dateTimeKey, HAWQSRCHRow data)  //ad
             else  //multi-segment HAWQS Read
             {
                 Dictionary<string, string> WB_JSONs = new Dictionary<string, string>();
-                if (AQT2D.SN.waterbodies != null)  //if there is a NWM lake or reservoir, read volumes and flows from NWM, overland and inflow nutrients will come from HAWQS
+                if ((AQT2D.SN.waterbodies != null) &&  //if there is a NWM lake or reservoir, read volumes and flows from NWM, overland and inflow nutrients will come from HAWQS
+                    (AQT2D.SN.waterbodies.wb_table.Length>1))
                 {
                     TSafeAddToProcessLog("INPUT: Reading Lake-Reservoir Volumes and flows from NWM");
 
                     await Task.Run(() =>
                     {
-                        for (int i = 1; i < AQT2D.SN.waterbodies.wb_table.Length; i++)
+                        for (int i = 1; i < AQT2D.SN.waterbodies.wb_table.Length; i++)  //index 0 is the header
                         {
                             string WBString = AQT2D.SN.waterbodies.wb_table[i][0];
                             string WBJSON = Read_WB_Water_Flows(WBString, true, msj);  //daily volumes and flows from NWM

GUI/GUI.AQUATOX/Splash.cs

@@ -1,15 +1,9 @@
 using AQUATOX.AQSim_2D;
 using Newtonsoft.Json;
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
 using System.Drawing;
 using System.IO;
-using System.Linq;
 using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 using static AQUATOX.AQSim_2D.AQSim_2D;
 
@@ -106,5 +100,11 @@ private void Splash_Shown(object sender, EventArgs e)
             Directory.SetCurrentDirectory(exeDirectory);
             AQTMainForm.defaultBrowser = Properties.Settings.Default.BrowserExe;
         }
+
+        private void Help_Button_Click(object sender, EventArgs e)
+        {
+            string target = "splash";
+            AQTMainForm.OpenUrl(target);
+        }
     }
 }

Web.Services/Web.Services.csproj

@@ -5,7 +5,7 @@
     <PublishWithAspNetCoreTargetManifest>false</PublishWithAspNetCoreTargetManifest>
     <DockerComposeProjectPath>..\docker-compose.dcproj</DockerComposeProjectPath>
     <DockerTargetOS>Linux</DockerTargetOS>
-    <PlatformTarget>AnyCPU</PlatformTarget>
+    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">