Added source AVISO

include/AVISO.h

@@ -0,0 +1,52 @@
+#pragma once
+#include "layereddata.h"
+
+class AVISOData: public LayeredData
+{
+ enum Type
+ {
+  TYPE_UNKNOWN,
+  TYPE_DT,
+  TYPE_NRT,
+  TYPE_EDT,
+  TYPE_ENRT
+ };
+
+ Type type = TYPE_UNKNOWN;
+
+ MString DataTitle() const
+ {
+  switch(type)
+  {
+  case(TYPE_DT): return "AVISO Delayed time velocity field";
+  case(TYPE_NRT): return "AVISO Near-real time velocity field";
+  case(TYPE_EDT): return "AVISO+Eckman Delayed time velocity field";
+  case(TYPE_ENRT): return "AVISO+Eckman Near-real time velocity field";
+  default: return "No title";
+  }
+ }
+
+ public:
+ AVISOData() = default;
+
+ // TODO: RetVal
+ MString Open(const CLArgs& args)
+ {
+  MString dataset = args.contains("dataset") ? args.at("dataset") : "DT";
+
+  GPL.UsePrefix("AVISO");
+  if(dataset == "DT")
+   type = TYPE_DT;
+  else if(dataset == "NRT")
+   type = TYPE_NRT;
+  else if(dataset == "EckmanDT")
+   type = TYPE_EDT;
+  else if(dataset == "EckmanNRT")
+   type = TYPE_ENRT;
+  else
+   return "Unknown dataset: " + dataset;
+
+  SetTitle(DataTitle());
+  return LayeredData::Open(dataset);
+ }
+};

include/layereddata.h

@@ -41,6 +41,7 @@ class LayeredData
    if(!time) return "Can't read times";
 
    MDateTime refdate;
+   time_t    step = 0;
    {
     auto units = nc.Attribute<MString>("time", "units");
     if(!units) return "Can't read refdate";
@@ -48,7 +49,12 @@ class LayeredData
     MString rstr;
     auto    words = michlib::Split_on_words(units);
     auto    ci    = words.begin();
-    if(ci != words.end()) ci++;              // skip "hours"
+    if(ci != words.end())
+    {
+     if(*ci == "hours") step = 3600;
+     if(*ci == "days") step = 3600 * 24;
+     ci++;
+    }
     if(ci != words.end()) ci++;              // skip "since"
     if(ci != words.end()) rstr = *ci;        // Day
     if(ci != words.end()) ci++;
@@ -57,7 +63,7 @@ class LayeredData
    }
 
    times.resize(time.DimLen(0));
-   for(size_t i = 0; i < times.size(); i++) times[i] = refdate + static_cast<time_t>(time(i)) * 3600;
+   for(size_t i = 0; i < times.size(); i++) times[i] = refdate + static_cast<time_t>(time(i)) * step;
    return "";
   }
 

include/odm.h

@@ -1,4 +1,5 @@
 #pragma once
+#include "AVISO.h"
 #include "BFileW.h"
 #include "HYCOM.h"
 #include "NEMO.h"
@@ -10,7 +11,7 @@ using michlib::errmessage;
 using michlib::GPL;
 using michlib::message;
 
-using DataVariants = std::variant<NEMOData, HYCOMData>;
+using DataVariants = std::variant<NEMOData, HYCOMData, AVISOData>;
 
 template<class T>
 concept InfoSupported = requires(T t) {
@@ -146,6 +147,13 @@ class Data: public DataVariants
    if(res.Exist()) return "Can't open source " + src + ":\n" + res;
    *this = Data(std::move(data));
   }
+  else if(src == "AVISO")
+  {
+   AVISOData data;
+   auto      res = data.Open(args);
+   if(res.Exist()) return "Can't open source " + src + ":\n" + res;
+   *this = Data(std::move(data));
+  }
   else if(src == "HYCOM")
   {
    HYCOMData data;

src/layereddata.cpp

@@ -112,13 +112,16 @@ MString LayeredData::Open(const MString& dataset)
  }
 
  auto rdepths = nc[0]->VR("depth");
- if(!rdepths)
+ if(rdepths)
  {
-  nc.clear();
-  return "Can't read depths";
+  depths.resize(rdepths.DimLen(0));
+  for(size_t i = 0; i < depths.size(); i++) depths[i] = rdepths(i);
+ }
+ else // Surface only data
+ {
+  depths.resize(1);
+  depths[0]=0;
  }
- depths.resize(rdepths.DimLen(0));
- for(size_t i = 0; i < depths.size(); i++) depths[i] = rdepths(i);
 
  auto lons = nc[0]->VR(lonname);
  auto lats = nc[0]->VR(latname);

src/odm.cpp

@@ -6,27 +6,31 @@ inline void Usage(const MString& arg0)
  message("Keys are:");
  message(" action. What the program should do. May be: info, tsc, uv. Default: tsc.");
  message(" Keys for action=info. Print some information about dataset.");
- message("  source. Required. May be: NEMO, HYCOM");
+ message("  source. Required. May be: NEMO, HYCOM, AVISO");
  message("  Keys for source=NEMO");
  message("   dataset. Can be DT, NRT or NRT6. Default: DT");
  message("  Keys for source=HYCOM");
  message("   dataset. Can be Forecast, Hindcast or Reanalysis. Default: Forecast");
+ message("  Keys for source=AVISO");
+ message("   dataset. Can be DT, NRT, EckmanDT or EckmanNRT. Default: DT");
  message(" Keys for action=tsc. Get temperature, salinity, chlorofill from dataset.");
- message("  source. Required. May be: NEMO, HYCOM");
- message("  var. Required. May be: temp, ptemp, pdens, sal, chl, mld, ssh or w.");
+ message("  source. Required. May be: NEMO, HYCOM, AVISO");
+ message("  var. Required. May be: U, U2, u, v, temp, ptemp, pdens, sal, chl, mld, ssh or w.");
  message("  time. Time moment or regular expression. If present, timeb and timee must be absent");
  message("  timeb, timee. Time interval. If present, time must be absent");
+ message("   lonb, lone, latb, late. Required. Region of interest");
  message("  out. Output file. Default: out.bin");
  message("  Keys for source=NEMO");
  message("   dataset. Can be DT, NRT or NRT6. Default: DT");
  message("   layer and/or depth. Layer or depth of NEMO dataset. If depth is specified, layer is ignored. Both ignored, if var=mld or var=ssh. Default: layer=0");
- message("   lonb, lone, latb, late. Required. Region of interest");
  message("  Keys for source=HYCOM");
  message("   dataset. Can be Forecast, Hindcast or Reanalysis. Default: Forecast");
  message("   layer and/or depth. Layer or depth of HYCOM dataset. If depth is specified, layer is ignored. Both ignored, if var=mld or var=ssh. Default: layer=0");
- message("   lonb, lone, latb, late. Required. Region of interest");
+ message("  Keys for source=AVISO");
+ message("   dataset. Can be DT, NRT, EckmanDT or EckmanNRT. Default: DT");
+ message("   layer and/or depth. Layer or depth of AVISO dataset. If depth is specified, layer is ignored. Both ignored for datasets DT and NRT. Default: layer=0");
  message(" Keys for action=uv. Get velocity field and its derivatives.");
- message("  source. Required. May be: NEMO, HYCOM");
+ message("  source. Required. May be: NEMO, HYCOM, AVISO");
  message("  time. Time moment or regular expression. If present, timeb and timee must be absent");
  message("  timeb, timee. Time interval. If present, time must be absent");
  message("  out. Output file for components of velocity field, divergency, rotor and Okubo-Weiss parameter. If absent, this data not calculated.");
@@ -34,8 +38,7 @@ inline void Usage(const MString& arg0)
  message("  shiftx, shifty. Shift of the sparsed grid. Used only if velout parameter is present. Default: 0");
  message("  skipx, skipy. How many poinst skipped in the sparsed grid. Used only if velout parameter is present. Default: 1, output each point");
  message("  stpout. Output file for stationary points. If absent, this data not calculated.");
- message("  Keys for source=NEMO. See section action=tsc.");
- message("  Keys for source=HYCOM. See section action=tsc.");
+ message("  Keys for specific sources see in the section action=tsc.");
 }
 
 int main(int argc, char** argv)