From 7a30d9f807ba034b9f286e3e80ae4626d761a140 Mon Sep 17 00:00:00 2001
From: Joe Taylor <k1jt@arrl.org>
Date: Fri, 16 Sep 2016 14:18:40 +0000
Subject: [PATCH] when TRperiod < 30 s, expand the Fast Graph scale so full
 width is 15 s.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7089 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 fastplot.cpp   |  8 ++++++--
 lib/hspec.f90  | 19 +++++++++++++------
 mainwindow.cpp | 11 +++++++----
 3 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/fastplot.cpp b/fastplot.cpp
index 69861abbc..9ca4d6025 100644
--- a/fastplot.cpp
+++ b/fastplot.cpp
@@ -133,6 +133,10 @@ void FPlotter::setGreenZero(int n)
 void FPlotter::setTRperiod(int n)
 {
   m_TRperiod=n;
+  m_pixPerSecond=12000.0/512.0;
+  if(m_TRperiod<30) m_pixPerSecond=12000.0/256.0;
+  drawScale();
+  update();
 }
 
 
@@ -229,10 +233,10 @@ void FPlotter::mouseMoveEvent(QMouseEvent *event)
   t1.sprintf("%5.2f",t);
   if(m_t1.length()==5) {
     painter.setPen(Qt::black);
-    painter.drawText (380,90,m_t1);
+    painter.drawText(60,95,m_t1);
   }
   painter.setPen(Qt::yellow);
-  painter.drawText (380,90,t1);
+  painter.drawText(60,95,t1);
   update();
   m_t1=t1;
 }
diff --git a/lib/hspec.f90 b/lib/hspec.f90
index 7f69ae524..363d4073a 100644
--- a/lib/hspec.f90
+++ b/lib/hspec.f90
@@ -1,4 +1,4 @@
-subroutine hspec(id2,k,ingain,green,s,jh)
+subroutine hspec(id2,k,ntrperiod,ingain,green,s,jh)
 
 ! Input:
 !  k         pointer to the most recent new data
@@ -20,6 +20,13 @@ subroutine hspec(id2,k,ingain,green,s,jh)
 
   gain=10.0**(0.1*ingain)
   nfft=512
+  nstep=nfft
+  nblks=7
+  if(ntrperiod.lt.30) then
+     nstep=256
+     nblks=14
+  endif
+
   if(k.gt.30*12000) go to 900
   if(k.lt.nfft) then       
      jh=0
@@ -27,20 +34,20 @@ subroutine hspec(id2,k,ingain,green,s,jh)
   endif
 
   if(k.lt.k0) then                             !Start a new data block
-     ja=0
+     ja=-nstep
      jh=-1
      rms0=0.0
   endif
 
-  do iblk=1,7
+  do iblk=1,nblks
      if(jh.lt.JZ-1) jh=jh+1
+     ja=ja+nstep
      jb=ja+nfft-1
      x=id2(ja:jb)
      sq=dot_product(x,x)
      rms=sqrt(gain*sq/nfft)
      green(jh)=0.
-     if(rms.gt.0.0) green(jh)=20.0*log10(0.5*(rms0+rms))
-     rms0=rms
+     if(rms.gt.0.0) green(jh)=20.0*log10(rms)
      call four2a(x,nfft,1,-1,0)                   !Real-to-complex FFT
      df=12000.0/nfft
      fac=(1.0/nfft)**2
@@ -50,8 +57,8 @@ subroutine hspec(id2,k,ingain,green,s,jh)
              aimag(cx(j-1))**2
         s(i-1,jh)=fac*gain*sx
      enddo
+     call smo121(s(0,jh),64)
      if(ja+2*nfft.gt.k) exit
-     ja=ja+nfft
   enddo
   k0=k
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index f868d2d74..1a478df1b 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -67,7 +67,8 @@ extern "C" {
   void symspec_(struct dec_data *, int* k, int* ntrperiod, int* nsps, int* ingain, int* minw,
                 float* px, float s[], float* df3, int* nhsym, int* npts8);
 
-  void hspec_(short int d2[], int* k, int* ingain, float green[], float s[], int* jh);
+  void hspec_(short int d2[], int* k, int* ntrperiod, int* ingain,
+              float green[], float s[], int* jh);
 
   void gen4_(char* msg, int* ichk, char* msgsent, int itone[],
                int* itext, int len1, int len2);
@@ -1259,7 +1260,7 @@ void MainWindow::fastSink(qint64 frames)
     m_bFastDecodeCalled=false;
   }
 
-  hspec_(dec_data.d2, &k, &m_inGain, fast_green, fast_s, &fast_jh);
+  hspec_(dec_data.d2, &k, &m_TRperiod, &m_inGain, fast_green, fast_s, &fast_jh);
   float px = fast_green[fast_jh];
   QString t;
   t.sprintf(" Rx noise: %5.1f ",px);
@@ -5689,6 +5690,8 @@ void MainWindow::setRig ()
 
 void MainWindow::fastPick(int x0, int x1, int y)
 {
+  float pixPerSecond=12000.0/512.0;
+  if(m_TRperiod<30) pixPerSecond=12000.0/256.0;
   if(m_mode!="ISCAT" and m_mode!="MSK144") return;
   if(!m_decoderBusy) {
     dec_data.params.newdat=0;
@@ -5696,8 +5699,8 @@ void MainWindow::fastPick(int x0, int x1, int y)
     m_blankLine=false;                 // don't insert the separator again
     m_nPick=1;
     if(y > 120) m_nPick=2;
-    m_t0Pick=x0*512.0/12000.0;
-    m_t1Pick=x1*512.0/12000.0;
+    m_t0Pick=x0/pixPerSecond;
+    m_t1Pick=x1/pixPerSecond;
     decode();
   }
 }