From 82fcb6cc3735015163933de1c25850204fdc7ae5 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 22 Jul 2015 11:28:13 +0200
Subject: Ausgabe der Oberflächengeschwindigkeit eingebaut
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---
 romunit.pas | 68 +++++++++++++++++++++----------------------------------------
 1 file changed, 23 insertions(+), 45 deletions(-)

(limited to 'romunit.pas')

diff --git a/romunit.pas b/romunit.pas
index a796540..9cf905e 100644
--- a/romunit.pas
+++ b/romunit.pas
@@ -22,6 +22,7 @@ procedure monotonieHerstellen(const dat: tExtPointArray; var minima,maxima: tLon
 procedure gesamtverschiebung(var inPuls,outPuls: tExtPointArray; var absShift: extended);
 procedure integrate(var dat: tExtPointArray); overload;
 procedure integrate(indat: tExtPointArray; out outdat: tExtPointArray); overload;
+procedure ableiten(indat: tExtPointArray; out outdat: tExtPointArray; dist: longint; bound: extended);
 procedure removeLinearOffset(var dat: tExtPointArray);
 procedure flip(var dat: tExtPointArray);
 procedure vereineExtrema(const dat1,dat2: tExtPointArray; var el1,el2: tLongintArray; toleranz: extended);
@@ -30,7 +31,6 @@ procedure fft(var dat: tExtPointArray);
 procedure interpoliere(var dat: tExtPointArray);
 procedure normiere(var dat: tExtPointArray);
 procedure berechneRefPuls(inPuls,surTraj: tExtPointArray; betaGlaette: longint; betaBound: extended; out cRefPuls: tExtPointArray);
-function shellSubst(s: string): string;
 
 type
   tSortThread = class(tThread)
@@ -317,15 +317,8 @@ begin
   vereineExtrema(inPuls,outPuls,exList[0],exList[2],0.5);
   vereineExtrema(inPuls,outPuls,exList[1],exList[3],0.5);
 
-  writeln;
-  for i:=0 to 3 do begin
-    for j:=0 to length(exList[i])-1 do
-      write(exList[i,j],'(',j,') ');
-    writeln;
-  end;
-
   setlength(stuecke,length(exList[0])+length(exList[1])-1);
-    writeln(length(stuecke),' ',length(exList[0]),' ',length(exList[1]),' ',length(exList[2]),' ',length(exList[3]));
+
   for i:=0 to length(stuecke)-1 do
     for b1:=false to true do    // Anfang / Ende
       for b2:=false to true do  // input / output
@@ -583,7 +576,7 @@ begin
     end;
     inc(i);
   end;
-  setlength(minima,j);  writeln(length(maxima),' ',length(minima));
+  setlength(minima,j);
 end;
 
 procedure gesamtverschiebung(var inPuls,outPuls: tExtPointArray; var absShift: extended);
@@ -611,14 +604,16 @@ begin
 end;
 
 procedure integrate(var dat: tExtPointArray);
-var i: longint;
+var
+  i: longint;
 begin
   for i:=1 to length(dat)-1 do
     dat[i].y:=dat[i].y * (dat[i].x-dat[i-1].x)+dat[i-1].y;
 end;
 
 procedure integrate(indat: tExtPointArray; out outdat: tExtPointArray);
-var i: longint;
+var
+  i: longint;
 begin
   setlength(outdat,length(indat));
   outdat[0]:=indat[0];
@@ -628,6 +623,22 @@ begin
   end;
 end;
 
+procedure ableiten(indat: tExtPointArray; out outdat: tExtPointArray; dist: longint; bound: extended);
+var
+  i: longint;
+begin
+  bound:=abs(bound);
+  if dist<1 then dist:=1;
+  setlength(outdat,length(indat)-dist);
+  for i:=0 to length(outdat)-1 do begin
+    outdat[i].x:=(indat[i+dist].x+indat[i].x)/2;
+//    outdat[i].y:=min(max((indat[i+dist].y-indat[i].y)/(indat[i+dist].x-indat[i].x),-bound),bound);
+    outdat[i].y:=(indat[i+dist].y-indat[i].y)/(indat[i+dist].x-indat[i].x);
+    if abs(outdat[i].y)>bound then
+      outdat[i].y:=nan;
+  end;
+end;
+
 procedure removeLinearOffset(var dat: tExtPointArray);
 var i:     longint;
     dx,dy: extended;
@@ -666,26 +677,6 @@ begin
     for i:=0 to length(behalten[b])-1 do
       behalten[b,i]:=false;
 
-(*  i:=0;
-  j:=0;
-  b:=dat1[el1[0]].x > dat2[el2[0]].x;
-  repeat
-    if b then begin
-      behalten[true,i]:=true;
-      while (i+1<length(el1)) and ((j>=length(el2)) or (dat1[el1[i+1]].x <= dat2[el2[j]].x)) do
-        inc(i);
-      inc(i);
-      b:=false;
-    end
-    else begin
-      behalten[false,j]:=true;
-      while (j+1<length(el2)) and ((i>=length(el1)) or (dat1[el1[i]].x > dat2[el2[j+1]].x)) do
-        inc(j);
-      inc(j);
-      b:=true;
-    end;
-  until (i>=length(el1)) and (j>=length(el2)); *)
-
   for i:=0 to length(el1)-1 do begin
     k:=-1;
     for j:=0 to length(el2)-1 do
@@ -915,19 +906,6 @@ begin
   setlength(cRefPuls,anz);
 end;
 
-function shellSubst(s: string): string;
-var name: string;
-begin
-  result:=s;
-  while pos('${',result)>0 do begin
-    s:=leftStr(result,pos('${',result)-1);
-    delete(result,1,pos('${',result)-1+length('${'));
-    name:=leftStr(result,pos('}',result)-1);
-    delete(result,1,length(name+'}'));
-    result:=s+GetEnvironmentVariable(name)+result;
-  end;
-end;
-
 // tSortThread *****************************************************************
 
 constructor tSortThread.create(pd: pTExtPointArray; sta, sto: longint);
-- 
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