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Contour.pas
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Contour.pas
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{DEFINE debugging}
{$UNDEF debugging}
unit Contour;
interface
uses
Windows, Forms, SysUtils, Graphics, LowHem, Types, Settings, Dialogs, Fileops,
Math, Bingha, Results;
type PSegment = ^TSegment;
TSegment = Record
XStart,
YStart,
XEnd,
YEnd: Integer;
Prev,
Next: PSegment;
end;
TContDihFrm =class(TLHWin)
procedure FormCreate(Sender: TOBject; const AFilename:string; const AExtension: TExtension); override;
procedure ContIntervals;
procedure Compute(Sender: TObject); override;
procedure findmaxcount;
procedure SetContours(var CVALUE: single;const CA, CB, XA, XB, YA, YB: single; var CONX, CONY: single);
procedure DrawLine(X1, Y1, X2, Y2: single);
procedure Init(Sender: TObject);
public
CircleMethod, AutoCont, blShowNet: Boolean;
Rings, NCON: Integer;
CVAL: TCvalArray;
protected
firstSegment: boolean;
CNT, CXPT, CYPT, XPT, YPT: Variant;
PXPT, PYPT : PZeroSingleArray;
XX, YY,zz, skipped: integer;
R: word;
MaxPercent,FCT,Imax, JMax,PERC: single;
end;
TContPlotFrm = class(TContDihFrm)
procedure FormCreate(Sender: TOBject; const AFilename:string; const AExtension: TExtension); override;
procedure ReadData(Sender: TObject);
procedure ContourData;
procedure CountCircle;
procedure CountCurve;
procedure ContGausRing(I, L : integer; AZ : single; var Checkflag: integer);
published
procedure ContNetSetup(const AAutoContFlag, ACircleMethod: boolean; const ADens: integer;var ANCON: integer; var ACVal:TCValArray);
protected
GridDensity: integer;
AzR, ThetR, VectorData, PoleCntP: Variant;
PAzr, PThetR: PZeroSingleArray;
//PVectorData : P2dZeroSingleArray;
root,Segment,Last: PSegment;
end;
TDihedrFrm = Class(TContDihFrm)
procedure FormCreate(Sender: TOBject; const AFilename: string; const AExtension: TExtension); override;
procedure ContourData;
procedure GetMidpoint (FDipDir,FDip: Single; var MKX,MKY,RK : Single);
procedure Convert(FCXPT,FCYPT: Single; var FBearing,FPlunge: Single);
procedure saveas1click(Sender: TObject); override;
protected
NA: T2Sing1by3;
sv, g6: single;
dummy: integer;
vstr, svstr : String[4];
TextDummy1, TextDummy2 : String[20];
procedure Angelier1Click(Sender: TObject); override;
public
AziEigenv,PlunEigenv, Eigenval : T1Sing1by3;
published
Savedialog1 : TSavedialog;
end;
//after Van Everdingen et al., 1993
implementation
uses Draw, TecMain, Inspect, ContDlg, VirtDip, Sigma;
procedure TContDihFrm.Init(Sender:TObject);
begin
Inc(GlobalLHPlots);
LHPlotNumber:=GlobalLHPlots;
Caption:='Plot '+IntToStr(LHPlotNumber)+': '+Caption;
If Inspectorform<>nil then InspectorForm.Initialize(Self);
If ResInsp<>nil then ResInsp.Initialize(Self);
If SetForm<>nil then SetForm.Initialize(Self);
end;
procedure TContDihFrm.FormCreate(Sender: TObject; const AFilename : String; const AExtension: TExtension);
begin
Screen.Cursor:=crHourGlass;
TecMainWin.Progressbar1.visible:=true;
LHcreating:=true;
LHExtension:=AExtension;
Export1.Enabled:=True;
Print1.Enabled:=True;
TecmainWin.ArrangeMenu(Sender);
Number1.Visible:=False;
LHWriteWMF:=WriteWmfglobal;
LHFilename:= AFilename;
LHLabel1:=ExtractFilename(LHFilename);
XX := CenterX;
YY := CenterY;
R := Radius;
FCT := R/1000;
blShowNet:=ContShowNet;
SetLHProperties(LHPlotType);
end;
procedure TContPlotFrm.FormCreate(Sender: TOBject; const AFilename : String; const AExtension: TExtension);
begin
LHPlotType:=pt_Contour;
inherited;
end;
procedure TContPlotFrm.ReadData(Sender: TObject);
var F: TextFile;
HighBound, dummy: integer;
DipDirD, DipD, DegThetR, DegAzr, SinDegThetR, sdummy : single;
NoComment: Boolean;
comment: String;
begin
try //counting data first
AssignFile(F, LHFilename);
try
Reset(F);
if not Eof(F) then
begin
LHz := 1;
while not Eof(F) and not LHfailed do
begin
Case lhextension of
pln, lin: ReadPLNDataset(F, DipDirD, DipD, LHFailed, Nocomment, Comment);
cor, fpl: ReadFPLDataset(F, dummy, dummy, DipDirD, DipD, sdummy, sdummy,LHFailed, Nocomment, lhextension, Comment);
ptf: ReadPTFDataset(F, dummy, dummy, sdummy, sdummy,sdummy, sdummy, DipDirD, DipD, sdummy, sdummy, sdummy, sdummy,
sdummy, dummy, LHFailed, Nocomment);
end;
If not LHfailed and Nocomment then
begin
If not eof(f) then inc(LHz);
end else if not NoComment then dec(LHz);
end; //end of while loop
end else LHfailed:=true;
finally
CloseFile(F); //file has to be closed and opened again due to a bug of delphi 2.0
end;
//********************************
AssignFile(F, LHFilename);
try
Reset(F);
if not Eof(F) then
begin
HighBound:=LHz+1;
LHz := 1;
ThetR:= VarArrayCreate([1, Highbound], varSingle);
AzR := VarArrayCreate([1, Highbound], varSingle);
VectorData := VarArrayCreate([1,3,1,Highbound], varsingle);
//VectorData := VarArrayCreate([1,Highbound,1,3], varsingle);
PAzr:=VarArrayLock(AzR);
PThetR:=VarArrayLock(ThetR);
//PVectorData:=VarArrayLock(VectorData);
while not Eof(F) and not LHfailed do
begin
Case lhextension of
pln, lin: ReadPLNDataset(F, DipDirD, DipD, LHFailed, Nocomment, Comment);
cor, fpl: case lhstressaxis of
0: ReadFPLDataset(F, dummy, dummy, DipDirD, DipD, sdummy, sdummy,LHFailed, Nocomment, lhextension, Comment);
1: ReadFPLDataset(F, dummy, dummy, sdummy, sdummy, DipDirD, DipD,LHFailed, Nocomment, lhextension, Comment);
end;
ptf: case lhstressaxis of
0: ReadPTFDataset(F, dummy, dummy, DipDirD, DipD, sdummy, sdummy,sdummy, sdummy, sdummy, sdummy, sdummy, sdummy,
sdummy, dummy, LHFailed, Nocomment);
1: ReadPTFDataset(F, dummy, dummy, sdummy, sdummy,DipDirD, DipD, sdummy, sdummy, sdummy, sdummy, sdummy, sdummy,
sdummy, dummy, LHFailed, Nocomment);
2: ReadPTFDataset(F, dummy, dummy, sdummy, sdummy,sdummy, sdummy, sdummy, sdummy, DipDirD, DipD, sdummy, sdummy,
sdummy, dummy, LHFailed, Nocomment); //p
3: ReadPTFDataset(F, dummy, dummy, sdummy, sdummy,DipDirD, DipD, sdummy, sdummy, sdummy, sdummy, DipDirD, DipD,
sdummy, dummy, LHFailed, Nocomment); //t
4: ReadPTFDataset(F, dummy, dummy, sdummy, sdummy,sdummy, sdummy, DipDirD, DipD, sdummy, sdummy, sdummy, sdummy,
sdummy, dummy, LHFailed, Nocomment); //b
end;
end;
If not LHfailed and Nocomment then
begin
case LHExtension of
lin:
begin
PAzR^[LHz] := DipDirD;
PThetR^[LHz] := 90-DipD;
end;
pln:
begin
PAzR^[LHz] := trunc(DipDirD+180) mod 360+frac(DipDirD);
PThetR^[LHz] := DipD;
end;
cor,fpl: case lhstressaxis of
0: begin // use fault plane
PAzR^[LHz] := trunc(DipDirD+180) mod 360+frac(DipDirD);
PThetR^[LHz] := DipD;
end;
1:
begin //use lineation
PAzR^[LHz] := DipDirD;
PThetR^[LHz] := 90-DipD;
end;
end;
ptf: case lhstressaxis of
0: begin // use fault plane
PAzR^[LHz] := trunc(DipDirD+180) mod 360+frac(DipDirD);
PThetR^[LHz] := DipD;
end;
1,2,3,4:
begin //use lineation
PAzR^[LHz] := DipDirD;
PThetR^[LHz] := 90-DipD;
end;
end;
end; //case lhextension
DegThetR:=DegToRad(PThetR^[LHz]);
SinDegThetR:=Sin(DegThetR);
DegAzr:=DegToRad(PAzR^[LHz]);
{i:=1;
PVectorData^[i,LHz] := SinDegThetR*Cos(DegAzR);
inc(i);
PVectorData^[i,LHz] := SinDegThetR*Sin(DegAzR);
inc(i);
PVectorData^[i,LHz] := Cos(DegThetR);}
VectorData[1,LHz] := SinDegThetR*Cos(DegAzR);
VectorData[2,LHz] := SinDegThetR*Sin(DegAzR);
VectorData[3,LHz] := Cos(DegThetR);
If not eof(f) then inc(LHz);
end else if not NoComment then dec(LHz);
end; {end of while loop}
end else LHfailed:=true;
finally
CloseFile(F);
end;
if not LHfailed then
begin
If LHExtension=pln then LHPoleFlag:=true
else LHPoleFlag:=false;
GlobalFailed:= false;
end;
except {can not open file}
On EInOutError do
begin
Fileused:=true;
CloseFile(F);
end;
end;
If LHfailed or fileused then
begin
dec(LHz);
FileFailed(Self);
close;
end
else CreateMetafile(LHMetafile, LHEnhMetafile, LHWriteWMF);
end;
procedure TContPlotFrm.ContNetSetup(const AAutoContFlag, ACircleMethod: boolean; const ADens: integer;var ANCON: integer; var ACVal:TCValArray);
var I,J,J6 : integer;
CAZ, RC,PIOVERI3, SinThet: single;
{creating the counting net with rings=number of rings in a grid
of 2000 by 2000 units (origin in the centre)}
begin
LHPasteMode := false;
LHCopyMode := false;
LHFailed:=False;
AutoCont := AAutoContFlag;
CircleMethod := ACircleMethod;
Rings := ADens;
NCON:= ANCON;
CVal:= ACVal;
GridDensity :=0;
XPT:=VarArrayCreate([0,LHz],varSingle);
YPT:=VarArrayCreate([0,LHz],varSingle);
PXPT:=VarArrayLock(XPT);
PYPT:=VarArrayLock(YPT);
PoleCntP:=VarArrayCreate([1, 3, 0, Rings, 0, Rings*6], varsingle);
CNT:= VarArrayCreate([0, Rings, 0, Rings*6],varSingle);
CXPT:=VarArrayCreate([0, Rings, 0, Rings*6],varsingle);
CYPT:=VarArrayCreate([0, Rings, 0, Rings*6],varsingle);
//begin of ContNetSetup
CXPT[0,0]:= 0;
CYPT[0,0]:= 0;
//---- this must be done for both Circle and Gauss contouring
FOR I:= 1 TO Rings do
begin
J6 := 6*I-1;
PIOVERI3 := PI/(3*I);
RC := I*1000/Rings;
FOR J := 0 TO J6 do
begin
CAZ := J*PIOVERI3;
CXPT[I,J]:= RC*SIN(CAZ);
CYPT[I,J]:= RC*COS(CAZ);
end; //NEXT J
end; //NEXT I
//Gauss counting method only
if not CircleMethod and (GridDensity<>Rings) then
begin
GridDensity:= Rings;
PoleCntP[1,0,0]:= 0;
PoleCntP[2,0,0]:= 0;
PoleCntP[3,0,0] := 1;
for i:=1 to Rings do
begin
j6 := 6*i-1;
SinThet := i* Sqrt(2* Rings*Rings-i*i)/(Rings * Rings);
Pioveri3 := Pi / (3*i);
for J := 0 to J6 do
begin
Caz := j*PIOVERI3;
PoleCntP[1,i,J] := SinThet * Cos(CAz);
PoleCntP[2,i,j] := SinThet * Sin(CAZ);
PoleCntP[3,i,j] := 1-i * i/(Rings * Rings); {CosThet}
end; //next J
end; //next i
end; //end if
ContourData;
end; //SUB
procedure TContDihFrm.ContIntervals;
var MaxCont,I, J, n, k, step, divisor: integer;
Save: single;
ExitFlag: boolean;
begin
If AutoCont then {----calculate contour levels}
begin
if maxpercent>5 then
begin
MaxCont := Trunc(MAXPERCENT);
divisor:=1;
end
else if maxpercent>0.5 then
begin
maxcont:=trunc(maxpercent*10);
divisor:=10;
end
else
begin
maxcont:=trunc(maxpercent*100);
divisor:=100;
end;
CVAL[1]:=1/divisor;
If MaxCont <=6 then
begin
For I:=2 to MaxCont do CVAL[I]:=I/divisor;
NCON:=MaxCont;
end
else
If MaxCont < 12 then
begin
I:=2;
While I <= MaxCont do
begin
CVAL[I div 2 +1] := I/divisor;
inc(I,2);
end;
NCON:=MaxCont div 2 + 1;
end
else
If MaxCont < 20 then
begin
step:=MaxCont div 4;
For I:= 2 to 5 do CVAL[I]:= ((I-1)*Step)/divisor;
NCON:=5;
end
else
If MaxCont <= 49 then
begin
For I:=1 to MaxCont div 5 do CVAL[I+1]:=(I*5)/divisor;
NCON:=MaxCont div 5 +1;
end
else
begin
For I:=1 to MaxCont div 10 do CVAL[I+1]:=I*10/divisor;
NCON:=MaxCont div 10 + 1;
end;
end
else {manual input of contour levels}
begin
//----read in self-specified contour levels
//****the program takes 15 levels max.****}
//----sort the array in case values have not been entered in ascending order}
{SortReals(CVal,NCON)}
FOR k := NCON-1 downto 1 do
begin
J := k+1;
Save := CVal[k];
CVal[NCON+1] := Save;
WHILE Save>CVal[J] do
begin
CVal[J-1] := CVal[J];
J := J+1;
end;
CVal[J-1] := Save;
end;
CVal[NCON+1] := 0;
n:= NCON;
I:= 1;
ExitFlag:=false;
While (I<=N) and not Exitflag do
begin
If CVAL[I] > MaxPercent then
begin
NCON:= I-1;
ExitFlag:=true;
end
else
If i>1 then
If CVAL[I]=CVAL[I-1] then
begin
NCON:= NCON-1;
For J:=I to NCON-1 do CVAL[J]:=CVAL[J+1];
end;
inc(I);
end; {****end of while-loop****}
end; {****end of manual contours block****}
end;
procedure TContPlotFrm.ContourData; //Main contouring procedure
var
dd,RSQ, DegAzr : single;
i : integer;
begin
RSQ:=1000*Sqrt2;
For i:= 1 to LHz do
begin
DegAzr:= DegToRad(PAzr^[i]);
dd:= RSQ * Sin(DegToRad(PThetR^[i])/2);
PXPT^[i]:= dd * Sin(DegAzr);
PYPT^[i]:= dd * Cos(DegAzr);
end;
If CircleMethod then CountCircle //--- use counting circle
else CountCurve; //--- use weighted counting with Gauss curve
ContIntervals; //--- find contour intervals
Compute(LHWin);
TecMainWin.ProgressBar1.Visible:=false;
end; //end Sub ContourData
procedure TContPlotFrm.CountCircle;
var k,i,I1,I2,J11,J12,J21,J22,j,J6K,JEND : integer;
dx,dy, DegAzr : single;
begin
{----fast method}
K:=0;
For I:= 0 to Rings do {set counting matrix to zero}
begin
J6K:=6*I-K;
For J:=0 to J6K do CNT[I,J]:=0;
K:=1;
end;
{----start counting, based on data points}
For I:= 1 to LHz do
begin
I1:=Abs(Trunc(Sqrt2*Sin(DegToRad(PThetR^[I])/2)*Rings));
I2:=I1+1;
If I1=0 then J12:=0 {----only three counting points can be determined}
else
begin
If I1=10 then {----if points lie exactly on the edge}
begin
I1:=9;
I2:=10;
end;
DegAzr:=DegToRad(PAzr^[I]);
J11:=Abs(Trunc(DegAzr/(Pi/(3*I1))));
J12:=(J11+1) mod (I1*6);
dx:=cxpt[I1,J11]-PXPT^[I];
dy:=cypt[I1,J11]-PYPT^[I];
If (dx*dx + dy*dy) < 10080 then CNT[I1,J11]:=CNT[I1,J11]+1;
end; {if}
J21:=Trunc(DegAzr/(Pi/(3*I2)));
J22:=(J21 mod (I2*6))+1;
dx:= cxpt[I1,J12]-PXPT^[I];
dy:= cypt[I1,J12]-PYPT^[I];
If (dx*dx + dy*dy) < 10080 then CNT[I1,J12]:=CNT[I1,J12]+1;
dx:= cxpt[I2,J21]-PXPT^[I];
dy:= cypt[I2,J21]-PYPT^[I];
If (dx*dx + dy*dy) < 10080 then CNT[I2,J21]:=CNT[I2,J21]+1;
dx:= cxpt[I2,J22]-PXPT^[I];
dy:= cypt[I2,J22]-PYPT^[I];
If (dx*dx + dy*dy) < 10080 then CNT[I2,J22]:=CNT[I2,J22]+1;
end; {next dataset (I)}
{----check on edge and store maximum count}
JEND:=Rings*3;
For J:=0 to JEND-1 do {check on edge}
begin
CNT[Rings,J]:=CNT[Rings,J]+CNT[Rings,J+JEND];
CNT[Rings,J+JEND]:=CNT[Rings,J];
end; {next j}
zz:=LHz;
findmaxcount;
end;
procedure TContDihFrm.findmaxcount;
var i,j,k,j6k : integer;
begin
MaxPercent:=0; //find maximum count
K:=0;
PERC:=100/zz; //factor for conversion from number of counts to percentage of total datapoints (=LHz)
For I:=0 to Rings do
begin
J6K:=6*I-K;
For J:=0 to J6K do
begin
CNT[I,J]:=CNT[I,J]*PERC;
IF CNT[I,J]>Maxpercent then
begin
Maxpercent:=CNT[I,J];
IMax :=I;
JMax :=J;
end;
end; //next j
K:=1;
end; //next i
end;
procedure TContPlotFrm.CountCurve;
var k,J6K,Kn,I,J,I1 : integer;
CheckFlag : integer;
{$IFDEF debugging}
z1,z2,z3: integer;
{$ENDIF}
dummy : single;
Notnextdata: boolean;
f: Textfile;
begin
TecMainWin.Progressbar1.max:=LHz;
K:=0;
{$IFDEF debugging}
z1:=0;
z2:=0;
z3:=0;
{$ENDIF}
For I:= 0 to Rings do //----set counting matrix to zero
begin
J6K:=6*I-K;
For J:=0 to J6K do CNT[I,J]:=0;
K:=1;
end; //next I
//----start counting, based on data points
For Kn:= 1 to LHz do
begin
I1:=Abs(Trunc(Sqrt2 * Sin(DegToRad(PThetR^[Kn])/2) * Rings));
I:=I1;
dummy := DegToRad(PAzr^[Kn]);
For I:=I1 downto 0 do {go from starting point inward}
begin
ContGausRing(I,Kn,dummy,CheckFlag);
{$IFDEF debugging}
inc(z1);
{$ENDIF}
If CheckFlag=0 then break;
end;
I:=I1+1;
Notnextdata:=true;
For I:=I1+1 to Rings do
begin
ContGausRing(I,Kn,dummy,CheckFlag);
{$IFDEF debugging}
inc(z2);
{$ENDIF}
If Checkflag<>0 then
begin
notnextdata:=false;
break;
end;
end; {next I}
If notnextdata then
begin
I:=Rings;
dummy:=DegToRad(trunc(PAzr^[Kn]+180) mod 360+frac(PAzr^[Kn]));
Repeat
ContGausRing(I,Kn,dummy,CheckFlag);
{$IFDEF debugging}
inc(z3);
{$ENDIF}
dec(I);
until Checkflag = 0;
end;
TecMainWin.Progressbar1.StepIt;
end; {next kn}
{----check on edge and store maximum count}
For J:=0 to Rings*3-1 do
begin
CNT[Rings,J]:= Max2(CNT[Rings,J],CNT[Rings,J+Rings*3]);
CNT[Rings,J+Rings*3]:= CNT[Rings,J];
end; {next j}
//************for debugging purposes*******************
{$IFDEF debugging}
Assignfile(F, 'c:\tmp\hugo_neu.txt');
Rewrite(F);
writeln(f,'Z1=',z1);
writeln(f,'Z2=',z2);
writeln(f,'Z3=',z3);
K:=0;
For I:= 0 to Rings do //----write values to textfile
begin
J6K:=6*I-K;
For J:=0 to J6K do writeln(f,FloatToString(I,2,0),' ',FloatToString(J,3,0),' ',CNT[I,J]);
K:=1;
end;
Closefile(F);
{$ENDIF}
//*******************************
zz:=LHz;
findmaxcount;
end; {procedure}
procedure TContPlotFrm.ContGausRing(I, L : integer; AZ : single; var Checkflag: integer);
const one : integer = 1;
two : integer = 2;
three:integer = 3;
var
Jcount,FullRing: integer; {Jcount----number of counted points in the ring}
J, J2 :integer; {L: integer; ----number of datapoints}
NotEndcount : boolean;
CosTheta,PP3 : single;
begin
Checkflag:=1;
Jcount:=0;
{----determine right position on the ring*******}
If I=0 then {----centerpoint of the ring}
begin
{----Cos theta = VectorData[3,L] PoleCntP are 0,0 and 1 resp.}
//If PVectorData^[three,L] > 0.8660254 then Cnt[0,0] := Cnt[0,0]+Exp(100*(PVectorData^[three,L]-1));
If VectorData[3,L] > 0.8660254 then Cnt[0,0] := Cnt[0,0]+Exp(100*(VectorData[3,L]-1));
CheckFlag:=0;
end
else
begin
FullRing:= 6*I;
J:= Abs(Trunc(AZ/(Pi/(3*I))));
J2:= (J+1) mod FullRing;
//PP3:= PVectorData^[three,L] * PoleCntP[3,I,J];
PP3:= VectorData[3,L] * PoleCntP[3,I,J];
NotEndcount:= true;
{----first count in anti-clockwise direction----}
repeat
CosTheta:=Abs(VectorData[1,L] * PoleCntP[1,I,J] + VectorData[2,L]*PoleCntP[2,I,J]+ PP3);
//CosTheta:=Abs(PVectorData^[one,L] * PoleCntP[1,I,J] + PVectorData^[two,L]*PoleCntP[2,I,J]+ PP3);
If CosTheta > 0.8660254 then
begin
Cnt[I,J] := Cnt[I,J] + Exp(100*(CosTheta-1));
J := (J-1+FullRing) mod FullRing;
Inc(Jcount);
end
else CheckFlag :=2;
If Jcount = FullRing then
begin
NotEndcount := false;
break;
end;
until CheckFlag<>1;
If NotEndcount then
begin
{----count in clockwise direction----}
J:=J2;
CheckFlag := 1;
Repeat
{CosTheta := Abs(PVectorData^[one,L] * PoleCntP[1,I,J] +
PVectorData^[two,L]*PoleCntP[2,I,J]+PP3);}
CosTheta := Abs(VectorData[1,L] * PoleCntP[1,I,J] +
VectorData[2,L]*PoleCntP[2,I,J]+PP3);
If CosTheta> 0.8660254 then
begin
Cnt[I,J] := Cnt[I,J] + Exp(100*(CosTheta-1));
J := (J+1) mod FullRing;
Inc(JCount);
end
else CheckFlag := 2;
If Jcount = FullRing then break;
until CheckFlag <> 1;
end; {end if Notendcount}
If Jcount = 0 then CheckFlag:= 0; {****Label endcount:****}
end; {if}
end;{procedure}
procedure TContDihFrm.Compute(Sender: TObject);
var KSECTOR,I,J1,J2,J, dummy,dumy, triangleheight: integer;
M1,M2,n : integer;
SideOneFlag, SideTwoFlag, Not3700,not2ndtriang, Not3850 : Boolean;
m,k,J6K : integer;
CONX1,CONY1,CONX2,CONY2,CONX3,CONY3,CONX4,CONY4 : single;
zz, dummy2, dummy3 : integer;
MaxAz, MaxDip: single;
MaxStr : string[4];
CValStr : string[4];
strdummy1, strdummy2 : string[5];
PenColorDummy, MetCanColorDummy : TColor;
xpoints: array[0..2] of TPoint;
textdummy: String;
Step: Integer;
R, G, B: Byte;
strColor: String;
const LowerEnd: Integer = 440;
UpperEnd: Integer = 720;
begin
PrepareMetCan(LHMetCan,LHMetafile, LHEnhMetafile, LHWriteWMF);
SetBackground(Sender, LHMetCan.Handle);
Case LHPlottype of
pt_Contour, pt_Dihedra:
begin
north;
firstSegment:=false;
FOR KSECTOR := 1 TO 6 do {ksector indicates a pie point}
begin
FOR I := 1 TO Rings do
begin
J2 := I*KSECTOR-1;
{if i>0 then
J2 := I*KSECTOR-1
else j2:=0;}
J1 := J2 - I + 1;
For j:=J1 to J2 do
begin
IF I > 1 THEN
begin
M1 := (J-KSECTOR+1) MOD ((I-1)*6);
M2 := (M1+1) MOD ((I-1)*6);
end
ELSE
begin
M1 := 0;
M2 := 0;
end;
n := (J+1) MOD (I*6);
IF CNT[I,J]+CNT[I,n]+CNT[I-1,M1]+CNT[I-1,M2] < CVAL[1] THEN continue;{GOTO NextPoint;}
For k := 1 to NCON do
begin
CONX1 := 0;
CONY1 := 0;
CONX2 := 0;
CONY2 := 0;
CONX3 := 0;
CONY3 := 0;
CONX4 := 0;
CONY4 := 0;
SideOneFlag := false;
SideTwoFlag := false;
IF CNT[I,J]+CNT[I,n]+CNT[I-1,M1] >= CVAL[1] THEN
begin
{----check first side of the triangle}
IF (CNT[I,J] <> CNT[I,n]) AND (CVAL[k] <= Max2(CNT[I,J],CNT[I,n])) AND
(CVAL[k] >= MIN2(CNT[I,J],CNT[I,n])) THEN
begin
SideOneFlag := true;
SetContours(CVAL[k], CNT[I,J], CNT[I,n], CXPT[I,J], CXPT[I,n],
CYPT[I,J], CYPT[I,n], CONX1, CONY1);
end;
{ check second side of the triangle}
Not3700:=true;
{triang1side2:}IF (CVAL[k] <= Max2(CNT[I,n],CNT[I - 1,M1])) AND (CVAL[k] >= Min2(CNT[I,n],CNT[I - 1,M1])) AND
(CNT[I,n] <> CNT[I-1,M1]) THEN
begin
SideTwoFlag := true;
SetContours(CVAL[k], CNT[I,n], CNT[I-1,M1], CXPT[I,n], CXPT[I-1,M1],
CYPT[I,n], CYPT[I-1,M1], CONX3, CONY3);
IF SideOneFlag THEN
begin
CONX2 := CONX3;
CONY2 := CONY3;
Not3700:=false;
{goto 3700;}
end
ELSE
begin
CONX1 := CONX3;
CONY1 := CONY3;
end;
end;
not2ndtriang:=true;
If not3700 then
{trils3:} IF SideOneFlag or SideTwoFlag THEN {else goto secondtriang}
begin
IF (CVAL[k]<=Max2(CNT[I,J],CNT[I-1,M1]))AND (CVAL[k]>=Min2(CNT[I,J],CNT[I-1,M1])) AND
(CNT[I,J]<>CNT[I-1,M1]) THEN
SetContours(CVAL[k], CNT[I,J], CNT[I-1,M1], CXPT[I,J], CXPT[I-1,M1],
CYPT[I,J], CYPT[I-1,M1], CONX2, CONY2);
end
else Not2ndTriang:=false;
{3700:} IF ((CONX1<>CONX2) OR (CONY1<>CONY2)) and Not2ndTriang THEN
DrawLine(CONX1, CONY1, CONX2, CONY2);
end; {end if}
{check first side of second triangle}
{secondtriang} IF J = I*KSECTOR-1 THEN continue;
Not3850:=true;
IF (CVAL[k]<=Max2(CNT[I,n],CNT[I-1,M2])) AND (CVAL[k]>=Min2(CNT[I,n],CNT[I-1,M2])) AND
(CNT[I,n]<>CNT[I-1,M2]) THEN
begin
IF SideTwoFlag THEN
begin
SetContours(CVAL[k], CNT[I,n], CNT[I-1,M2], CXPT[I,n], CXPT[I-1,M2],
CYPT[I,n], CYPT[I-1,M2], CONX4, CONY4);
Not3850:=false;
end
ELSE SetContours(CVAL[k], CNT[I,n], CNT[I-1,M2], CXPT[I,n],
CXPT[I-1,M2],CYPT[I,n], CYPT[I-1,M2], CONX3, CONY3)
end;
{check second side of second triangle}
{tri2S2} IF (CVAL[k]<=Max2(CNT[I-1,M1],CNT[I-1,M2])) AND (CVAL[k]>=Min2(CNT[I-1,M1],CNT[I-1,M2])) AND
(CNT[I-1,M1]<>CNT[I-1,M2]) and Not3850 THEN
SetContours(CVAL[k], CNT[I-1,M1], CNT[I-1,M2], CXPT[I-1,M1], CXPT[I-1,M2],
CYPT[I-1,M1], CYPT[I-1,M2], CONX4, CONY4);
{3850:} IF (CONX3<>CONX4) OR (CONY3<>CONY4) THEN
DrawLine(CONX3, CONY3, CONX4, CONY4);
end; {next k}
end; {next j}
{3957:}
{Label}end; {NEXT I}
end; {NEXT KSECTOR}
{******************************************************}
{PlotPattern1: }
dec(LHz);
NumberLabel;
inc(LHz);
k:=0;
PenColorDummy:= LHMetCan.Pen.Color;
FOR I := 0 TO Rings-1 do
begin
J6K := 6*I-k;
FOR J := 0 TO J6K do
begin
WavelengthToRGB(UpperEnd, R, G, B);
LHMetCan.Brush.Color:=RGB(R,G,B);
LHMetCan.Pen.Color:=LHMetCan.Brush.Color;
//MetCan.TextOut(Round(CenterX+CXPT[I,J]*FCT),Round(CenterY-CYPT[I,J]*FCT),intToStr(Round(Cnt[i,j])));
IF CNT[I,J]<CVAL[1] THEN
begin
//Show counting net
if blShowNet then SetPixel(LHMetCan.Handle,Round(XX+CXPT[I,J]*FCT),Round(YY-CYPT[I,J]*FCT),LHPen.Color);
end
ELSE
IF CNT[I,J] > CVAL[NCON] THEN
begin
Case ContSymbolSize of
0: SetPixel(LHMetCan.Handle,Round(XX+CXPT[I,J]*FCT),Round(YY-CYPT[I,J]*FCT),LHPen.Color);
else Ellipse(LHMetCan.Handle,Round(XX+CXPT[I,J]*FCT)-ContSymbolSize,Round(YY-CYPT[I,J]*FCT)+ContSymbolSize,
Round(XX+CXPT[I,J]*FCT)+ContSymbolSize,Round(YY-CYPT[I,J]*FCT)-ContSymbolSize);
end;
//MetCan.Brush.Color := clRed;
//MetCan.Brush.style:=bsSolid;
//ExtFloodFill(LHMetCan.Handle,Round(XX+CXPT[I,J]*FCT),Round(YY-CYPT[I,J]*FCT),clBlack,
// FLOODFILLBORDER);
//LHMetCan.Brush.Style:=bsClear;
{Paint fill max concentration}
end;
end; {NEXT J}
k:=1;
end; {NEXT I}
k:=0;
Step:=Trunc((UpperEnd-LowerEnd)/ncon);
For I:= 0 to Rings-1 do
begin
j6k:=6*i-K;
For j:= 0 to j6k do
begin
if cnt[i,j]>cval[1] then
begin
for m:= ncon downto 1 do
begin
if (cnt[i,j]>cval[m]) and (cnt[i,j]<cval[m+1]) then
begin
//MetCan.Pen.Color := clBlue;
{case m of
1: color1:= clwhite;
2: color1:= clyellow;
3: color1:= clgreen;
4: color1:= clred;
5: color1:= clblue;
end;}
WavelengthToRGB(Round(LowerEnd+Step*(m-1)), R, G, B);
//StrColor:= '$00' + IntToHex(B, 2) + IntToHex(G, 2) + IntToHex(R, 2);
LHMetCan.Brush.Color:=RGB(R,G,B);
//MetCan.Brush.Color:=Color1;
//LHMetCan.Brush.Color:=Color1;
//LHMetCan.Pen.Width:=0;
LHMetCan.Pen.Color:=LHMetCan.Brush.Color;
Case ContSymbolSize of
0: SetPixel(LHMetCan.Handle,Round(XX+CXPT[I,J]*FCT),Round(YY-CYPT[I,J]*FCT),LHMetCan.Pen.Color);
else LHMetCan.Ellipse(Round(XX+CXPT[I,J]*FCT)-ContSymbolSize,Round(YY-CYPT[I,J]*FCT)+ContSymbolSize, Round(XX+CXPT[I,J]*FCT)+ContSymbolSize,Round(YY-CYPT[I,J]*FCT)-ContSymbolSize);
end;
//If MetCan.pixels[Round(XX+CXPT[I,J]*FCT),Round(YY-CYPT[I,J]*FCT)] <> Color1 then
//ExtFloodFill(MetCan.Handle,Round(XX+CXPT[I,J]*FCT),Round(yy-CYPT[I,J]*FCT),clBlack,
// FLOODFILLBORDER); {FLOODFILLSURFACE oder FLOODFILLBORDER}
//MetCan.Brush.style:=bsClear;
end;
end;
end;
end;
end;
LHMetCan.Brush.Style:=bsClear;
LHMetCan.Pen.Color:=PenColorDummy;
IF LHPlotType=pt_Dihedra then with self as tdihedrfrm do
begin
Lineation(LHMetCan.Handle,Canvas,xx,yy,r,AziEigenv[1],PlunEigenv[1],LHSymbSize,
0,Number1.checked,LHSymbFillFlag2,syCircle,LHFillBrush, LHPen.Handle);
Lineation(LHMetCan.Handle,Canvas,xx,yy,r,AziEigenv[2],PlunEigenv[2],LHSymbSize,
1,Number1.checked,false,syRectangle,LHFillBrush, LHPen.Handle);
Lineation(LHMetCan.Handle,Canvas,xx,yy,r,AziEigenv[3],PlunEigenv[3],LHSymbSize,
2,Number1.checked,LHSymbFillFlag,syTriangle,LHFillBrush2, LHPen.Handle);
end;
If Label1.Checked then With LHMetCan do
begin
{dummy2:=MetafileWidth-TextWidth('Max. value: 99.99');}
dummy2:=MetafileWidth-Abs(LHMetCan.Font.Height) div 2 *20-5;
dummy3:=6-LHMetCan.Font.Height;
if imax = 0 then
begin
MaxAz := 0;
If LHExtension=pln then maxdip:=0 else maxdip:=90;
end
else
begin
MaxAz := JMax /(3*Imax)*180;
MaxDip := 90-(2*RadToDeg(ArcTan(Imax/Sqrt(2*Rings*Rings-Imax*Imax))));
If LHExtension = PLN then
begin
MaxAz := trunc(MaxAz+180) mod 360+frac(MaxAz);
MaxDip := 90-MaxDip;
end;
end;
strdummy1:=IntToStr(Round(MaxAz));
If MaxAz<100 then
begin
strdummy1:='0'+strdummy1;
if Maxaz<10 then strdummy1:='0'+strdummy1;
end;
strdummy2:=IntToStr(Round(MaxDip));
If MaxDip<10 then strdummy2:='0'+strdummy2;
Str(Maxpercent:2:2, Maxstr);
If not LHCopyMode then
begin
TextOut(dummy2,labeltop,'Max. value: '+MaxStr+ '%');
TextOut(dummy2,labeltop+dummy3,'at : '+strdummy1+' / '+Strdummy2);
if self is TContPlotFrm then Case LHExtension of
cor,fpl,ptf: case lhstressaxis of
0: Textout(Metafilewidth-200,MetafileHeight-2*dummy3,'Poles to fault planes');
1: Textout(Metafilewidth-100,MetafileHeight-2*dummy3,'Fault lineations');
2: Textout(Metafilewidth-100,MetafileHeight-2*dummy3,'p-axes');
3: Textout(Metafilewidth-100,MetafileHeight-2*dummy3,'t-axes');
4: Textout(Metafilewidth-100,MetafileHeight-2*dummy3,'b-axes');
end;
end;
Textout(labelleft,MetafileHeight-3*dummy3,'Contours at:');
{dummy2:=TextWidth('10;');}
dummy2:=Abs(LHMetCan.Font.Height) div 2 *6;
for zz := 0 to ncon-1 do
begin
Str(CVAL[zz+1]:3:2, CValStr);
Textout(labelleft+zz*dummy2, MetafileHeight-2*dummy3,CValStr+' ');
end;
end;
IF (LHPlotType=pt_Dihedra) and not LHCopyMode then with self as tdihedrfrm do
begin
dummy:=MetafileWidth+Font.Height div 2 *27-5;
TextOut(dummy,MetafileHeight-6*dummy3,' Eigenval.');
For i:=3 downto 1 do //**********vectors 1 to 3********
begin
Str(Eigenval[4-i]:2:2, vstr);
TextDummy1:=IntToStr(Round(AziEigenv[i]));
If Round(AziEigenv[i]) < 100 then
begin
TextDummy1:='0'+TextDummy1;
If Round(AziEigenv[i]) < 10 then TextDummy1:='0'+TextDummy1;
end;
TextDummy2:=IntToStr(Round(PlunEigenv[i]));
If Round(PlunEigenv[i]) < 10 then TextDummy2:='0'+TextDummy2;
TextOut(dummy,MetafileHeight-6*dummy3+i*dummy3,'Sig'+IntToStr(i)+' '+TextDummy1+'/'+TextDummy2+' '+vstr);
end;
end;
end;
end;
pt_SigmaTensor:
begin
north;