Initial import of xtrkcad version 1:4.0.2-2

1 files changed, 1598 insertions, 0 deletions

diff --git a/app/bin/cgroup.c b/app/bin/cgroup.c
new file mode 100644
index 0000000..76b15ca
--- /dev/null
+++ b/app/bin/cgroup.c
@@ -0,0 +1,1598 @@
+/*
+ * $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/cgroup.c,v 1.2 2008-01-20 23:29:15 mni77 Exp $
+ *
+ * Compound tracks: Group
+ *
+ */
+
+/*  XTrkCad - Model Railroad CAD
+ *  Copyright (C) 2005 Dave Bullis
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <ctype.h>
+#include "track.h"
+#include "compound.h"
+#include "shrtpath.h"
+#include "i18n.h"
+
+/*****************************************************************************
+ *
+ * Ungroup / Group
+ *
+ */
+
+static int log_group=-1;
+
+static dynArr_t pathPtr_da;
+#define pathPtr(N)				DYNARR_N( char, pathPtr_da, N )
+
+static char groupManuf[STR_SIZE];
+static char groupDesc[STR_SIZE];
+static char groupPartno[STR_SIZE];
+static char groupTitle[STR_SIZE];
+static int groupCompoundCount = 0;
+
+typedef struct {
+		int segInx;
+		EPINX_T segEP;
+		int inx;
+		track_p trk;
+		} mergePt_t;
+static dynArr_t mergePt_da;
+#define mergePt(N) DYNARR_N( mergePt_t, mergePt_da, N )
+static void AddMergePt(
+		int segInx,
+		EPINX_T segEP )
+{
+	int inx;
+	mergePt_t * mp;
+	for ( inx=0; inx<mergePt_da.cnt; inx++ ) {
+		mp = &mergePt(inx);
+		if ( mp->segInx == segInx &&
+			 mp->segEP == segEP )
+			return;
+	}
+	DYNARR_APPEND( mergePt_t, mergePt_da, 10 );
+	mp = &mergePt(mergePt_da.cnt-1);
+	mp->segInx = segInx;
+	mp->segEP = segEP;
+	mp->inx = mergePt_da.cnt-1;
+LOG( log_group, 2, ( "  MergePt: %d.%d\n", segInx, segEP ) );
+}
+
+
+static EPINX_T FindEP(
+		EPINX_T epCnt,
+		trkEndPt_p endPts,
+		coOrd pos )
+{
+	DIST_T dist;
+	EPINX_T ep;
+	for ( ep=0; ep<epCnt; ep++ ) {
+		dist = FindDistance( pos, endPts[ep].pos );
+		if ( dist < connectDistance )
+			return ep;
+	}
+	return -1;
+}
+
+
+static void SegOnMP(
+		int segInx,
+		int mpInx,
+		int segCnt,
+		int * map )
+{
+	int inx;
+	mergePt_t * mp;
+	if ( map[segInx] < 0 ) {
+LOG( log_group, 2, ( "  S%d: on MP%d\n", segInx, mpInx ) );
+		map[segInx] = mpInx;
+		return;
+	}
+LOG( log_group, 2, ( "  S%d: remapping MP%d to MP%d\n", segInx, mpInx, map[segInx] ) );
+	for ( inx=0; inx<segCnt; inx++ )
+		if ( map[inx] == mpInx )
+			map[inx] = map[segInx];
+	for ( inx=0; inx<mergePt_da.cnt; inx++ ) {
+		if ( inx == map[segInx] )
+			continue;
+		mp = &mergePt(inx);
+		if ( mp->inx == mpInx )
+			mp->inx = map[segInx];
+	}
+}
+
+
+static void GroupCopyTitle(
+		char * title )
+{
+	char *mP, *nP, *pP;
+	int mL, nL, pL;
+
+	ParseCompoundTitle( title, &mP, &mL, &nP, &nL, &pP, &pL );
+	if ( strncmp( nP, "Ungrouped ", 10 ) == 0 ) {
+		nP += 10;
+		nL -= 10;
+	}
+	if ( ++groupCompoundCount == 1 ) {
+		strncpy( groupManuf, mP, mL );
+		groupManuf[mL] = '\0';
+		strncpy( groupDesc, nP, nL );
+		groupDesc[nL] = '\0';
+		strncpy( groupPartno, pP, pL );
+		groupPartno[pL] = '\0';
+	} else {
+		if ( mL != (int)strlen( groupManuf ) ||
+			 strncmp( groupManuf, mP, mL ) != 0 )
+			groupManuf[0] = '\0';
+		if ( nL != (int)strlen( groupDesc ) ||
+			 strncmp( groupDesc, nP, nL ) != 0 )
+			groupDesc[0] = '\0';
+		if ( pL != (int)strlen( groupPartno ) ||
+			 strncmp( groupPartno, pP, pL ) != 0 )
+			groupPartno[0] = '\0';
+	}
+}
+
+
+EXPORT void UngroupCompound(
+		track_p trk )
+{
+	struct extraData *xx = GetTrkExtraData(trk);
+	struct extraData *xx1;
+	trkSeg_p sp;
+	track_p trk0, trk1;
+	int segCnt, segInx, segInx1;
+	EPINX_T ep, epCnt, epCnt1=0, segEP, segEP1, eps[2];
+	char * cp;
+	coOrd pos, orig, size;
+	ANGLE_T angle;
+	int inx;
+	int off;
+	mergePt_t * mp;
+	trkEndPt_p epp;
+	segProcData_t segProcData;
+	static dynArr_t refCount_da;
+#define refCount(N) DYNARR_N( int, refCount_da, N )
+	typedef struct {
+		track_p trk;
+		EPINX_T ep[2];
+		} segTrack_t;
+#define segTrack(N) DYNARR_N( segTrack_t, segTrack_da, N )
+	static dynArr_t segTrack_da;
+	segTrack_t * stp, * stp1;
+	BOOL_T turnoutChanged;
+
+	DYNARR_RESET( mergePt_t, mergePt_da );
+	DYNARR_RESET( int, refCount_da );
+	DYNARR_RESET( segTrack_t, segTrack_da );
+	GroupCopyTitle( xtitle(xx) );
+
+#ifdef LATER
+	for ( sp=sq=xx->segs; sp<&xx->segs[xx->segCnt]; sp++ ) {
+		if ( IsSegTrack(sp) ) {
+			*sq = *sp;
+			sq++;
+		} else {
+			trk1 = MakeDrawFromSeg( xx->orig, xx->angle, sp );
+			if ( trk1 ) {
+				SetTrkBits( trk1, TB_SELECTED );
+				DrawNewTrack( trk1 );
+			}
+		}
+	}
+	if ( GetTrkEndPtCnt(trk) <= 0 ) {
+		UndoDelete( trk );
+		return;
+	}
+#endif
+
+LOG( log_group, 1, ( "Ungroup( T%d )\n", GetTrkIndex(trk) ) );
+	epCnt = GetTrkEndPtCnt(trk);
+	for ( segCnt=0; segCnt<xx->segCnt&&IsSegTrack(&xx->segs[segCnt]); segCnt++ );
+	ASSERT( (epCnt==0) == (segCnt==0) );
+	turnoutChanged = FALSE;
+	if ( epCnt > 0 ) {
+		turnoutChanged = TRUE;
+
+		/* 1: collect EPs
+		 */
+		DYNARR_SET( trkEndPt_t, tempEndPts_da, epCnt );
+		DYNARR_SET( segTrack_t, segTrack_da, segCnt );
+		memset( segTrack_da.ptr, 0, segCnt * sizeof segTrack(0) );
+		for ( ep=0; ep<epCnt; ep++ ) {
+			epp = &tempEndPts(ep);
+			epp->pos = GetTrkEndPos( trk, ep );
+			epp->angle = GetTrkEndAngle( trk, ep );
+			Rotate( &epp->pos, xx->orig, -xx->angle );
+			epp->pos.x -= xx->orig.x;
+			epp->pos.y -= xx->orig.y;
+			epp->track = GetTrkEndTrk( trk, ep );
+			if ( epp->track )
+				epp->index = GetEndPtConnectedToMe( epp->track, trk );
+			else
+				epp->index = -1;
+LOG( log_group, 1, ( " EP%d = [%0.3f %0.3f] A%0.3f T%d.%d\n", ep, epp->pos.x, epp->pos.y, epp->angle, epp->track?GetTrkIndex(epp->track):-1, epp->track?epp->index:-1 ) );
+		}
+
+		/* 3: Count number of times each segment is referenced
+		 *    If the refcount differs between adjacent segments
+		 *       add segment with smaller count to mergePts
+		 *    Treat EndPts as a phantom segment with inx above segCnt
+		 *    Path ends that don't map onto a real EndPt (bumpers) get a fake EP
+		 */
+		DYNARR_SET( int, refCount_da, segCnt+epCnt );
+		memset( refCount_da.ptr, 0, refCount_da.cnt * sizeof *(int*)0 );
+		cp = (char *)xx->paths;
+		while ( cp[0] ) {
+			cp += strlen(cp)+1;
+			while ( cp[0] ) {
+				GetSegInxEP( cp[0], &segInx, &segEP );
+				pos = GetSegEndPt( xx->segs+segInx, segEP, FALSE, NULL );
+				segInx1 = FindEP( tempEndPts_da.cnt, &tempEndPts(0), pos );
+				if ( segInx1 >= 0 ) {
+					segInx1 += segCnt;
+					refCount(segInx1)++;
+				} else {
+					DYNARR_APPEND( trkEndPt_t, tempEndPts_da, 10 );
+					DYNARR_APPEND( int, refCount_da, 10 );
+					epp = &tempEndPts(tempEndPts_da.cnt-1);
+					epp->pos = pos;
+					epp->angle = 0;
+					segInx1 = refCount_da.cnt-1;
+					refCount(segInx1) = 2;
+				}
+				segEP1 = 0;
+				while ( cp[0] ) {
+					GetSegInxEP( cp[0], &segInx, &segEP );
+					refCount(segInx)++;
+					if ( refCount(segInx) > refCount(segInx1) )
+						AddMergePt( segInx, segEP );
+					if ( refCount(segInx1) > refCount(segInx) )
+						AddMergePt( segInx1, segEP1 );
+					segInx1 = segInx;
+					segEP1 = 1-segEP;
+					cp++;
+				}
+				GetSegInxEP( cp[-1], &segInx, &segEP );
+				pos = GetSegEndPt( xx->segs+segInx, 1-segEP, FALSE, NULL );
+				segInx = FindEP( tempEndPts_da.cnt, &tempEndPts(0), pos );
+				if ( segInx >= 0 ) {
+					segInx += segCnt;
+					refCount(segInx)++;
+				} else {
+					DYNARR_APPEND( trkEndPt_t, tempEndPts_da, 10 );
+					DYNARR_APPEND( int, refCount_da, 10 );
+					epp = &tempEndPts(tempEndPts_da.cnt-1);
+					epp->pos = pos;
+					epp->angle = 0;
+					segInx = refCount_da.cnt-1;
+					refCount(segInx) = 2;
+				}
+				if ( refCount(segInx) > refCount(segInx1) ) {
+					AddMergePt( segInx, 0 );
+				}
+				cp++;
+			}
+			cp++;
+		}
+		epCnt1 = tempEndPts_da.cnt;
+	
+		/* 4: For each path element, map segment to a mergePt if the adjacent segment
+		 *    and EP is a mergePt
+		 *    If segment is already mapped then merge mergePts
+		 */
+		DYNARR_SET( int, refCount_da, segCnt );
+		memset( refCount_da.ptr, -1, segCnt * sizeof *(int*)0 );
+		cp = (char *)xx->paths;
+		while ( cp[0] ) {
+			cp += strlen(cp)+1;
+			while ( cp[0] ) {
+				GetSegInxEP( cp[0], &segInx, &segEP );
+				pos = GetSegEndPt( xx->segs+segInx, segEP, FALSE, NULL );
+				/*REORIGIN1( pos, xx->angle, xx->orig );*/
+				segInx1 = FindEP( tempEndPts_da.cnt, &tempEndPts(0), pos );
+				if ( segInx1 >= 0 ) {
+					segInx1 += segCnt;
+				}
+				segEP1 = 0;
+				while ( cp[0] ) {
+					GetSegInxEP( cp[0], &segInx, &segEP );
+					if ( segInx1 >= 0 ) {
+						for ( inx=0; inx<mergePt_da.cnt; inx++ ) {
+							mp = &mergePt(inx);
+							if ( mp->segInx == segInx1 && mp->segEP == segEP1 ) {
+								SegOnMP( segInx, mp->inx, segCnt, &refCount(0) );
+							}
+							if ( mp->segInx == segInx && mp->segEP == segEP ) {
+								SegOnMP( segInx1, mp->inx, segCnt, &refCount(0) );
+							}
+						}
+					}
+					segInx1 = segInx;
+					segEP1 = 1-segEP;
+					cp++;
+				}
+				GetSegInxEP( cp[-1], &segInx, &segEP );
+				pos = GetSegEndPt( xx->segs+segInx, 1-segEP, FALSE, NULL );
+				/*REORIGIN1( pos, xx->angle, xx->orig );*/
+				segInx = FindEP( tempEndPts_da.cnt, &tempEndPts(0), pos );
+				if ( segInx >= 0 ) {
+					segInx += segCnt;
+					for ( inx=0; inx<mergePt_da.cnt; inx++ ) {
+						mp = &mergePt(inx);
+						if ( mp->segInx == segInx && mp->segEP == 0 ) {
+							SegOnMP( segInx1, mp->inx, segCnt, &refCount(0) );
+						}
+					}
+				}
+				cp++;
+			}
+			cp++;
+		}
+
+		/* 5: Check is all segments are on the same mergePt, which means there is nothing to do
+		 */
+		if ( mergePt_da.cnt > 0 ) {
+			for ( segInx=0; segInx<segCnt; segInx++ )
+				if ( refCount(segInx) != mergePt(0).inx )
+					break;
+			if ( segInx == segCnt ) {
+				/* all segments on same turnout, nothing we can do here */
+				turnoutChanged = FALSE;
+				if ( segCnt == xx->segCnt ) {
+					/* no non-track segments to remove */
+					return;
+				}
+			}
+		}
+	}
+
+	/* 6: disconnect, undraw, remove non-track segs, return if there is nothing else to do
+	 */
+	wDrawDelayUpdate( mainD.d, TRUE );
+	if ( turnoutChanged ) {
+		for ( ep=0; ep<epCnt; ep++ ) {
+			epp = &tempEndPts(ep);
+			if ( epp->track ) {
+				DrawEndPt( &mainD, epp->track, epp->index, wDrawColorWhite );
+				DrawEndPt( &mainD, trk, ep, wDrawColorWhite );
+				DisconnectTracks( trk, ep, epp->track, epp->index );
+			}
+		}
+	}
+	UndrawNewTrack(trk);
+	for ( sp=xx->segs; sp<&xx->segs[xx->segCnt]; sp++ ) {
+		if ( ! IsSegTrack(sp) ) {
+			trk1 = MakeDrawFromSeg( xx->orig, xx->angle, sp );
+			if ( trk1 ) {
+				SetTrkBits( trk1, TB_SELECTED );
+				DrawNewTrack( trk1 );
+			}
+		}
+	}
+	if ( !turnoutChanged ) {
+		if ( epCnt <= 0 ) {
+			trackCount--;
+			UndoDelete( trk );
+		} else {
+			UndoModify( trk );
+			xx->segCnt = segCnt;
+			DrawNewTrack( trk );
+		}
+		wDrawDelayUpdate( mainD.d, FALSE );
+		return;
+	}
+
+	/* 7: for each valid mergePt, create a new turnout
+	 */
+	for ( inx=0; inx<mergePt_da.cnt; inx++ ) {
+		mp = &mergePt(inx);
+		if ( mp->inx != inx )
+			continue;
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
+		DYNARR_SET( trkEndPt_t, tempEndPts_da, epCnt1 );
+		DYNARR_RESET( char, pathPtr_da );
+		for ( segInx=0; segInx<segCnt; segInx++ ) {
+			if ( refCount(segInx) == inx ) {
+				DYNARR_APPEND( trkSeg_t, tempSegs_da, 10 );
+				tempSegs(tempSegs_da.cnt-1) = xx->segs[segInx];
+				sprintf( message, "P%d", segInx );
+				off = pathPtr_da.cnt;
+				DYNARR_SET( char, pathPtr_da, off+(int)strlen(message)+4 );
+				strcpy( &pathPtr(off), message );
+				off = pathPtr_da.cnt-3;
+				pathPtr(off+0) = (char)tempSegs_da.cnt;
+				pathPtr(off+1) = '\0';
+				pathPtr(off+2) = '\0';
+				for ( ep=0; ep<2; ep++ ) {
+					pos = GetSegEndPt( xx->segs+segInx, ep, FALSE, &angle );
+					segEP = FindEP( epCnt1, &tempEndPts(0), pos );
+					if ( segEP >= 0 && segEP >= epCnt && segEP < epCnt1 ) {
+						/* was a bumper: no EP */
+						eps[ep] = -1;
+						continue;
+					}
+					REORIGIN1( pos, xx->angle, xx->orig );
+					angle = NormalizeAngle( xx->angle+angle );
+					eps[ep] = FindEP( tempEndPts_da.cnt-epCnt1, &tempEndPts(epCnt1), pos );
+					if ( eps[ep] < 0 ) {
+						DYNARR_APPEND( trkEndPt_t, tempEndPts_da, 10 );
+						eps[ep] = tempEndPts_da.cnt-1-epCnt1;
+						epp = &tempEndPts(tempEndPts_da.cnt-1);
+						memset( epp, 0, sizeof *epp );
+						epp->pos = pos;
+						epp->angle = angle;
+					}
+				}
+				segTrack(segInx).ep[0] = eps[0];
+				segTrack(segInx).ep[1] = eps[1];
+			}
+		}
+		DYNARR_SET( char, pathPtr_da, pathPtr_da.cnt+1 );
+		pathPtr(pathPtr_da.cnt-1) = '\0';
+		if ( tempSegs_da.cnt == 0 ) {
+			AbortProg( "tempSegs_da.cnt == 0" );
+			continue;
+		}
+		GetSegBounds( zero, 0, tempSegs_da.cnt, &tempSegs(0), &orig, &size );
+		orig.x = -orig.x;
+		orig.y = -orig.y;
+		MoveSegs( tempSegs_da.cnt, &tempSegs(0), orig );
+		Rotate( &orig, zero, xx->angle );
+		orig.x = xx->orig.x - orig.x;
+		orig.y = xx->orig.y - orig.y;
+		trk1 = NewCompound( T_TURNOUT, 0, orig, xx->angle, xx->title, tempEndPts_da.cnt-epCnt1, &tempEndPts(epCnt1), pathPtr_da.cnt, &pathPtr(0), tempSegs_da.cnt, &tempSegs(0) );
+		xx1 = GetTrkExtraData(trk1);
+		xx1->ungrouped = TRUE;
+
+		SetTrkVisible( trk1, TRUE );
+		SetTrkBits( trk1, TB_SELECTED );
+		for ( segInx=0; segInx<segCnt; segInx++ ) {
+			if ( refCount(segInx) == inx ) {
+				segTrack(segInx).trk = trk1;
+			}
+		}
+		mp->trk = trk1;
+	}
+
+	/* 8: for remaining segments, create simple tracks
+	 */
+	for ( segInx=0; segInx<segCnt; segInx++ ) {
+		if ( refCount(segInx) >= 0 ) continue;
+		SegProc( SEGPROC_NEWTRACK, xx->segs+segInx, &segProcData );
+		SetTrkScale( segProcData.newTrack.trk, GetTrkScale(trk) );
+		SetTrkBits( segProcData.newTrack.trk, TB_SELECTED );
+		MoveTrack( segProcData.newTrack.trk, xx->orig );
+		RotateTrack( segProcData.newTrack.trk, xx->orig, xx->angle );
+		segTrack(segInx).trk = segProcData.newTrack.trk;
+		segTrack(segInx).ep[0] = segProcData.newTrack.ep[0];
+		segTrack(segInx).ep[1] = segProcData.newTrack.ep[1];
+	}
+
+	/* 9: reconnect tracks
+	 */
+	cp = (char *)xx->paths;
+	while ( cp[0] ) {
+		cp += strlen(cp)+1;
+		while ( cp[0] ) {
+			/* joint EP to this segment */
+			GetSegInxEP( cp[0], &segInx, &segEP );
+			stp = &segTrack(segInx);
+			ep = FindEP( epCnt, &tempEndPts(0), GetSegEndPt( xx->segs+segInx, segEP, FALSE, NULL ) );
+			if ( ep >= 0 ) {
+				epp = &tempEndPts(ep);
+				if ( epp->track ) {
+					ConnectTracks( stp->trk, stp->ep[segEP], epp->track, epp->index );
+					DrawEndPt( &mainD, epp->track, epp->index, GetTrkColor(epp->track,&mainD) );
+					epp->track = NULL;
+				}
+			}
+			stp1 = stp;
+			segEP1 = 1-segEP;
+			cp++;
+			while ( cp[0] ) {
+				GetSegInxEP( cp[0], &segInx, &segEP );
+				stp = &segTrack(segInx);
+				trk0 = GetTrkEndTrk( stp->trk, stp->ep[segEP] );
+				trk1 = GetTrkEndTrk( stp1->trk, stp1->ep[segEP1] );
+				if ( trk0 == NULL ) {
+					if ( trk1 != NULL )
+						AbortProg( "ungroup: seg half connected" );
+					ConnectTracks( stp->trk, stp->ep[segEP], stp1->trk, stp1->ep[segEP1] );
+				} else {
+					if ( trk1 != stp->trk || stp1->trk != trk0 )
+						AbortProg( "ungroup: last seg not connected to curr" );
+				}
+				stp1 = stp;
+				segEP1 = 1-segEP;
+				cp++;
+			}
+			/* joint EP to last segment */
+			ep = FindEP( epCnt, &tempEndPts(0), GetSegEndPt( xx->segs+segInx, segEP1, FALSE, NULL ) );
+			if ( ep > 0 ) {
+				epp = &tempEndPts(ep);
+				if ( epp->track ) {
+					ConnectTracks( stp1->trk, stp1->ep[segEP1], epp->track, epp->index );
+					DrawEndPt( &mainD, epp->track, epp->index, wDrawColorWhite );
+					epp->track = NULL;
+				}
+			}
+			cp++;
+		}
+		cp++;
+	}
+
+	/* 10: cleanup: delete old track, draw new tracks
+	 */
+	UndoDelete( trk );
+	trackCount--;
+	for ( segInx=0; segInx<segCnt; segInx++ ) {
+		if ( refCount(segInx) >= 0 ) {
+			mp = &mergePt( refCount(segInx) );
+			if ( mp->trk ) {
+				DrawNewTrack( mp->trk );
+				mp->trk = NULL;
+			}
+		} else {
+			DrawNewTrack( segTrack(segInx).trk );
+		}
+	}
+	wDrawDelayUpdate( mainD.d, FALSE );
+}
+
+
+
+
+EXPORT void DoUngroup( void )
+{
+	track_p trk = NULL;
+	int ungroupCnt;
+	int oldTrackCount;
+	TRKINX_T lastTrackIndex;
+
+	if ( log_group < 0 )
+		log_group = LogFindIndex( "group" );
+	groupManuf[0] = 0;
+	groupDesc[0] = 0;
+	groupPartno[0] = 0;
+	ungroupCnt = 0;
+	oldTrackCount = trackCount;
+	UndoStart( _("Ungroup Object"), "Ungroup Objects" );
+	lastTrackIndex = max_index;
+	groupCompoundCount = 0;
+	while ( TrackIterate( &trk ) ) {
+		if ( GetTrkSelected( trk ) && GetTrkIndex(trk) <= lastTrackIndex ) {
+			oldTrackCount = trackCount;
+			UngroupTrack( trk );
+			if ( oldTrackCount != trackCount )
+				ungroupCnt++;
+		}
+	}
+	if ( ungroupCnt )
+		InfoMessage( _("%d objects ungrouped"), ungroupCnt );
+	else
+		InfoMessage( _("No objects ungrouped") );
+}
+
+
+
+static drawCmd_t groupD = {
+		NULL, &tempSegDrawFuncs, DC_GROUP, 1, 0.0, {0.0, 0.0}, {0.0, 0.0}, Pix2CoOrd, CoOrd2Pix };
+static long groupSegCnt;
+static long groupReplace;
+char * groupReplaceLabels[] = { N_("Replace with new group?"), NULL };
+
+static wWin_p groupW;
+static paramIntegerRange_t r0_999999 = { 0, 999999 };
+static paramData_t groupPLs[] = {
+/*0*/ { PD_STRING, groupManuf, "manuf", PDO_NOPREF, (void*)350, N_("Manufacturer") },
+/*1*/ { PD_STRING, groupDesc, "desc", PDO_NOPREF, (void*)230, N_("Description") },
+/*2*/ { PD_STRING, groupPartno, "partno", PDO_NOPREF|PDO_DLGHORZ|PDO_DLGIGNORELABELWIDTH, (void*)100, N_("#") },
+/*3*/ { PD_LONG, &groupSegCnt, "segcnt", PDO_NOPREF, &r0_999999, N_("# Segments"), BO_READONLY },
+/*4*/ { PD_TOGGLE, &groupReplace, "replace", 0, groupReplaceLabels, "", BC_HORZ|BC_NOBORDER } };
+static paramGroup_t groupPG = { "group", 0, groupPLs, sizeof groupPLs/sizeof groupPLs[0] };
+
+
+typedef struct {
+		track_p trk;
+		int segStart;
+		int segEnd;
+		} groupTrk_t, * groupTrk_p;
+static dynArr_t groupTrk_da;
+#define groupTrk(N) DYNARR_N( groupTrk_t, groupTrk_da, N )
+typedef struct {
+		int groupInx;
+		EPINX_T ep1, ep2;
+		PATHPTR_T path;
+		BOOL_T flip;
+		} pathElem_t, *pathElem_p;
+typedef struct {
+		int pathElemStart;
+		int pathElemEnd;
+		EPINX_T ep1, ep2;
+		int conflicts;
+		BOOL_T inGroup;
+		BOOL_T done;
+		} path_t, *path_p;
+static dynArr_t path_da;
+#define path(N) DYNARR_N( path_t, path_da, N )
+static dynArr_t pathElem_da;
+#define pathElem(N) DYNARR_N( pathElem_t, pathElem_da, N )
+static int pathElemStart;
+
+
+static BOOL_T CheckTurnoutEndPoint(
+		trkSeg_p segs,
+		coOrd pos,
+		int end )
+{
+	coOrd pos1;
+	DIST_T d;
+	pos1 = GetSegEndPt( segs, end, FALSE, NULL );
+	d = FindDistance( pos, pos1 );
+	return ( d < connectDistance );
+}
+
+static char * FindPathBtwEP(
+		track_p trk,
+		EPINX_T ep1,
+		EPINX_T ep2,
+		BOOL_T * flip )
+{
+	struct extraData * xx = GetTrkExtraData( trk );
+	char * cp, *cp0;
+	int epN;
+	coOrd pos1, pos2;
+	int segInx;
+	EPINX_T segEP;
+ 
+	if ( GetTrkType(trk) != T_TURNOUT ) {
+		if ( ep1+ep2 != 1 )
+			AbortProg( "findPathBtwEP" );
+		*flip = ( ep1 == 1 );
+		return "\1\0\0";
+	}
+	cp = (char *)xx->paths;
+	pos1 = GetTrkEndPos(trk,ep1);
+	Rotate( &pos1, xx->orig, -xx->angle );
+	pos1.x -= xx->orig.x;
+	pos1.y -= xx->orig.y;
+	pos2 = GetTrkEndPos(trk,ep2);
+	Rotate( &pos2, xx->orig, -xx->angle );
+	pos2.x -= xx->orig.x;
+	pos2.y -= xx->orig.y;
+	while ( cp[0] ) {
+		cp += strlen(cp)+1;
+		while ( cp[0] ) {
+			cp0 = cp;
+			epN = -1;
+			GetSegInxEP( cp[0], &segInx, &segEP );
+			if ( CheckTurnoutEndPoint( &xx->segs[segInx], pos1, segEP ) )
+				epN = 1;
+			else if ( CheckTurnoutEndPoint( &xx->segs[segInx], pos2, segEP ) )
+				epN = 0;
+			cp += strlen(cp);
+			if ( epN != -1 ) {
+				GetSegInxEP( cp[-1], &segInx, &segEP );
+				if ( CheckTurnoutEndPoint( &xx->segs[segInx], epN==0?pos1:pos2, 1-segEP ) ) {
+					*flip = epN==0;
+					return cp0;
+				}
+			}
+			cp++;
+		}
+		cp++;
+	}
+	return NULL;
+}
+
+
+static int GroupShortestPathFunc(
+		SPTF_CMD cmd,
+		track_p trk,
+		EPINX_T ep1,
+		EPINX_T ep2,
+		DIST_T dist,
+		void * data )
+{
+	track_p trk1;
+	path_t *pp;
+	pathElem_t *ppp;
+	BOOL_T flip;
+	int inx;
+	EPINX_T ep;
+	coOrd pos1, pos2;
+	ANGLE_T angle, ang1, ang2;
+
+	switch ( cmd ) {
+	case SPTC_MATCH:
+		if ( !GetTrkSelected(trk) )
+			return 0;
+		trk1 = GetTrkEndTrk(trk,ep1);
+		if ( trk1 == NULL )
+			return 1;
+		if ( !GetTrkSelected(trk1) )
+			return 1;
+		return 0;
+
+	case SPTC_MATCHANY:
+		return -1;
+
+	case SPTC_ADD_TRK:
+if (log_shortPath<=0||logTable(log_shortPath).level<4) LOG( log_group, 2, ( "     T%d[%d]\n", GetTrkIndex(trk), ep2 ) )
+		DYNARR_APPEND( pathElem_t, pathElem_da, 10 );
+		ppp = &pathElem(pathElem_da.cnt-1); 
+		for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
+			if ( groupTrk(inx).trk == trk ) {
+				ppp->groupInx = inx;
+				ppp->ep1 = ep1;
+				ppp->ep2 = ep2;
+				ppp->path = (PATHPTR_T)FindPathBtwEP( trk, ep1, ep2, &ppp->flip );
+				return 0;
+			}
+		}
+		AbortProg( "GroupShortestPathFunc(SPTC_ADD_TRK, T%d) - track not in group", GetTrkIndex(trk) );
+
+	case SPTC_TERMINATE:
+		ppp = &pathElem(pathElemStart);
+		trk = groupTrk(ppp->groupInx).trk;
+		pos1 = GetTrkEndPos( trk, ppp->ep2 );
+		ang1 = GetTrkEndAngle( trk, ppp->ep2 );
+		ppp = &pathElem(pathElem_da.cnt-1);
+		trk = groupTrk(ppp->groupInx).trk;
+		pos2 = GetTrkEndPos( trk, ppp->ep1 );
+		ang2 = GetTrkEndAngle( trk, ppp->ep1 );
+		ep1 = ep2 = -1;
+		for ( ep=0; ep<tempEndPts_da.cnt; ep++ ) {
+			if ( ep1 < 0 ) {
+				dist = FindDistance( pos1, tempEndPts(ep).pos );
+				angle = NormalizeAngle( ang1 - tempEndPts(ep).angle + connectAngle/2.0 );
+				if ( dist < connectDistance && angle < connectAngle )
+					ep1 = ep;
+			}
+			if ( ep2 < 0 ) {
+				dist = FindDistance( pos2, tempEndPts(ep).pos );
+				angle = NormalizeAngle( ang2 - tempEndPts(ep).angle + connectAngle/2.0 );
+				if ( dist < connectDistance && angle < connectAngle )
+					ep2 = ep;
+			}
+		}
+		if ( ep1<0 || ep2<0 ) {
+LOG( log_group, 2, ( " Remove: ep not found\n" ) )
+			pathElem_da.cnt = pathElemStart;
+			return 0;
+		}
+		for ( inx=0; inx<path_da.cnt; inx++ ) {
+			pp = &path(inx);
+			if ( ( ep1 < 0 || ( pp->ep1 == ep1 || pp->ep2 == ep1 ) ) &&
+				 ( ep2 < 0 || ( pp->ep1 == ep2 || pp->ep2 == ep2 ) ) ) {
+LOG( log_group, 2, ( " Remove: duplicate path P%d\n", inx ) )
+				pathElem_da.cnt = pathElemStart;
+				return 0;
+			}
+		}
+		DYNARR_APPEND( path_t, path_da, 10 );
+		pp = &path(path_da.cnt-1);
+		memset( pp, 0, sizeof *pp );
+		pp->pathElemStart = pathElemStart;
+		pp->pathElemEnd = pathElem_da.cnt-1;
+		pp->ep1 = ep1;
+		pp->ep2 = ep2;
+		pathElemStart = pathElem_da.cnt;
+LOG( log_group, 2, ( " Keep\n" ) )
+		return 0;
+
+	case SPTC_IGNNXTTRK:
+		if ( !GetTrkSelected(trk) )
+			return 1;
+		if ( ep1 == ep2 )
+			return 1;
+		if ( GetTrkEndPtCnt(trk) == 2 )
+			return 0;
+		if ( GetTrkType(trk) != T_TURNOUT )
+			AbortProg( "GroupShortestPathFunc(IGNNXTTRK,T%d:%d,%d)", GetTrkIndex(trk), ep1, ep2 );
+		return FindPathBtwEP( trk, ep2, ep1, &flip ) == NULL;
+
+	case SPTC_VALID:
+		return 1;
+
+	}
+	return 0;
+}
+
+
+static int CmpGroupOrder(
+		const void * ptr1,
+		const void * ptr2 )
+{
+	int inx1 = *(int*)ptr1;
+	int inx2 = *(int*)ptr2;
+	return path(inx1).conflicts-path(inx2).conflicts;
+}
+
+static coOrd endPtOrig;
+static ANGLE_T endPtAngle;
+static int CmpEndPtAngle(
+		const void * ptr1,
+		const void * ptr2 )
+{
+	ANGLE_T angle;
+	trkEndPt_p epp1 = (trkEndPt_p)ptr1;
+	trkEndPt_p epp2 = (trkEndPt_p)ptr2;
+	
+	angle = NormalizeAngle(FindAngle(endPtOrig,epp1->pos)-endPtAngle) - NormalizeAngle(FindAngle(endPtOrig,epp2->pos)-endPtAngle);
+	return (int)angle;
+}
+
+
+static int ConflictPaths(
+		path_p path0,
+		path_p path1 )
+{
+	/* do these paths share an EP? */
+	if ( path0->ep1 == path1->ep1 ) return TRUE;
+	if ( path0->ep1 == path1->ep2 ) return TRUE;
+	if ( path0->ep2 == path1->ep1 ) return TRUE;
+	if ( path0->ep2 == path1->ep2 ) return TRUE;
+	return FALSE;
+}
+
+
+static BOOL_T CheckPathEndPt(
+		track_p trk,
+		char cc,
+		EPINX_T ep )
+{
+	struct extraData *xx = GetTrkExtraData(trk);
+	wIndex_t segInx;
+	EPINX_T segEP, epCnt;
+	DIST_T d;
+	coOrd pos;
+
+	GetSegInxEP( cc, &segInx, &segEP );
+	if ( ep ) segEP = 1-segEP;
+	pos = GetSegEndPt( &xx->segs[segInx], segEP, FALSE, NULL );
+	REORIGIN1( pos, xx->angle, xx->orig );
+	epCnt = GetTrkEndPtCnt(trk);
+	for ( ep=0; ep<epCnt; ep++ ) {
+		d = FindDistance( pos, GetTrkEndPos( trk, ep ) );
+		if ( d < connectDistance )
+			return TRUE;
+	}
+	return FALSE;
+}
+
+static BOOL_T CheckForBumper(
+		track_p trk )
+{
+	struct extraData *xx = GetTrkExtraData(trk);
+	char * cp;
+	cp = (char *)xx->paths;
+	while ( cp[0] ) {
+		cp += strlen(cp)+1;
+		while ( cp[0] ) {
+			if ( !CheckPathEndPt( trk, cp[0], 0 ) ) return FALSE;
+			while ( cp[0] )
+				cp++;
+			if ( !CheckPathEndPt( trk, cp[-1], 1 ) ) return FALSE;
+			cp++;
+		}
+		cp++;
+	}
+	return TRUE;
+}
+
+
+static void GroupOk( void * junk )
+{
+	struct extraData *xx = NULL;
+	turnoutInfo_t * to;
+	int inx;
+	EPINX_T ep, epCnt, epN;
+	coOrd orig, size;
+	long oldOptions;
+	FILE * f = NULL;
+	BOOL_T rc = TRUE;
+	track_p trk, trk1;
+	path_t * pp, *ppN;
+	pathElem_p ppp;
+	groupTrk_p groupP;
+	BOOL_T flip, flip1, allDone;
+	DIST_T dist;
+	ANGLE_T angle, angleN;
+	pathElem_t pathElemTemp;
+	char * cp=NULL;
+#ifdef SEGMAP
+	pathElem_p ppp1, ppp2;
+	int segInx1, segInx2;
+	coOrd pos1, pos2;
+	static dynArr_t segMap_da;
+#define segMap(I,J)		DYNARR_N( char, segMap_da, (2*(I)+0)*trackSegs_da.cnt+(J) )
+#define segAcc(I,J)		DYNARR_N( char, segMap_da, (2*(I)+1)*trackSegs_da.cnt+(J) )
+#define segSum(I,J)		DYNARR_N( char, segMap_da, (2*(groupTrk_da.cnt)+0)*trackSegs_da.cnt+(J) )
+#endif
+	static dynArr_t trackSegs_da;
+#define trackSegs(N) DYNARR_N( trkSeg_t, trackSegs_da, N )
+	trkSeg_p segPtr;
+	int segCnt;
+	static dynArr_t conflictMap_da;
+#define conflictMap( I, J )		DYNARR_N( int, conflictMap_da, (I)*(path_da.cnt)+(J) )
+#define segFlip( N )			DYNARR_N( int, conflictMap_da, (N) )
+	static dynArr_t groupOrder_da;
+#define groupOrder( N )			DYNARR_N( int, groupOrder_da, N )
+	static dynArr_t groupMap_da;
+#define groupMap( I, J )		DYNARR_N( int, groupMap_da, (I)*(path_da.cnt+1)+(J) )
+	int groupCnt;
+	int pinx, pinx2, ginx, ginx2, gpinx2;
+	trkEndPt_p endPtP;
+	PATHPTR_T path;
+	int pathLen;
+	signed char pathChar;
+	char *oldLocale = NULL;
+
+#ifdef SEGMAP
+	DYNARR_RESET( char, segMap_da );
+#endif
+	DYNARR_RESET( trkSeg_t, trackSegs_da );
+	DYNARR_RESET( trkSeg_t, tempSegs_da );
+	DYNARR_RESET( groupTrk_t, groupTrk_da );
+	DYNARR_RESET( path_t, path_da );
+	DYNARR_RESET( pathElem_t, pathElem_da );
+	DYNARR_RESET( trkEndPt_t, tempEndPts_da );
+	DYNARR_RESET( char, pathPtr_da );
+
+	ParamUpdate( &groupPG );
+	if ( groupManuf[0]==0 || groupDesc[0]==0 || groupPartno[0]==0 ) {
+		NoticeMessage2( 0, MSG_GROUP_NONBLANK, _("Ok"), NULL );
+		return;
+	}
+	sprintf( message, "%s\t%s\t%s", groupManuf, groupDesc, groupPartno );
+	if ( strcmp( message, groupTitle ) != 0 ) {
+		if ( FindCompound( FIND_TURNOUT|FIND_STRUCT, curScaleName, message ) )
+			if ( !NoticeMessage2( 1, MSG_TODSGN_REPLACE, _("Yes"), _("No") ) )
+				return;
+		strcpy( groupTitle, message );
+	}
+
+	wDrawDelayUpdate( mainD.d, TRUE );
+	/*
+	 * Collect tracks
+	 */
+	trk = NULL;
+	while ( TrackIterate( &trk ) ) {
+		if ( GetTrkSelected( trk ) ) {
+			if ( IsTrack(trk) ) {
+				DYNARR_APPEND( groupTrk_t, groupTrk_da, 10 );
+				groupP = &groupTrk(groupTrk_da.cnt-1);
+				groupP->trk = trk;
+				groupP->segStart = trackSegs_da.cnt;
+				if ( GetTrkType(trk) == T_TURNOUT ) {
+					xx = GetTrkExtraData(trk);
+					for ( pinx=0; pinx<xx->segCnt; pinx++ ) {
+						segPtr = &xx->segs[pinx];
+						if ( IsSegTrack(segPtr) ) {
+							DYNARR_APPEND( trkSeg_t, trackSegs_da, 10 );
+							trackSegs(trackSegs_da.cnt-1) = *segPtr;
+							RotateSegs( 1, &trackSegs(trackSegs_da.cnt-1), zero, xx->angle );
+							MoveSegs( 1, &trackSegs(trackSegs_da.cnt-1), xx->orig );
+						} else {
+							DrawSegs( &groupD, xx->orig, xx->angle, segPtr, 1, trackGauge, wDrawColorBlack );
+						}
+					}
+				} else {
+					segCnt = tempSegs_da.cnt;
+					oldOptions = groupD.options;
+					groupD.options |= (DC_QUICK|DC_SIMPLE|DC_SEGTRACK);
+					DrawTrack( trk, &groupD, wDrawColorBlack );
+					groupD.options = oldOptions;
+					DYNARR_APPEND( trkSeg_t, trackSegs_da, 10 );
+					segPtr = &trackSegs(trackSegs_da.cnt-1);
+					*segPtr = tempSegs( segCnt );
+					if ( tempSegs_da.cnt != segCnt+1 ||
+						 !IsSegTrack(segPtr) ) {
+						NoticeMessage2( 0, MSG_CANNOT_GROUP_TRACK, _("Ok"), NULL );
+						wHide( groupW );
+						return;
+					}
+					tempSegs_da.cnt = segCnt;
+				}
+				groupP->segEnd = trackSegs_da.cnt-1;
+			} else {
+				DrawTrack( trk, &groupD, wDrawColorBlack );
+			}
+		}
+	}
+
+	if ( groupTrk_da.cnt>0 ) {
+		if ( groupTrk_da.cnt > 128 ) {
+			NoticeMessage( MSG_TOOMANYSEGSINGROUP, _("Ok"), NULL );
+			wDrawDelayUpdate( mainD.d, FALSE );
+			wHide( groupW );
+			return;
+		}
+
+		/*
+		 * Collect EndPts and find paths
+		 */
+		pathElemStart = 0;
+		endPtOrig = zero;
+		for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
+			trk = groupTrk(inx).trk;
+			epCnt = GetTrkEndPtCnt(trk);
+			for ( ep=0; ep<epCnt; ep++ ) {
+				trk1 = GetTrkEndTrk(trk,ep);
+				if ( trk1 == NULL || !GetTrkSelected(trk1) ) {
+					/* boundary EP */
+					for ( epN=0; epN<tempEndPts_da.cnt; epN++ ) {
+						dist = FindDistance( GetTrkEndPos(trk,ep), tempEndPts(epN).pos );
+						angle = NormalizeAngle( GetTrkEndAngle(trk,ep) - tempEndPts(epN).angle + connectAngle/2.0 );
+						if ( dist < connectDistance && angle < connectAngle )
+							break;
+					}
+					if ( epN>=tempEndPts_da.cnt ) {
+						DYNARR_APPEND( trkEndPt_t, tempEndPts_da, 10 );
+						endPtP = &tempEndPts(tempEndPts_da.cnt-1);
+						memset( endPtP, 0, sizeof *endPtP );
+						endPtP->pos = GetTrkEndPos(trk,ep);
+						endPtP->angle = GetTrkEndAngle(trk,ep);
+						endPtP->track = trk1;
+						endPtP->index = (trk1?GetEndPtConnectedToMe(trk1,trk):-1);
+						endPtOrig.x += endPtP->pos.x;
+						endPtOrig.y += endPtP->pos.y;
+					}
+				}
+			}
+		}
+		if ( tempEndPts_da.cnt <= 0 ) {
+			NoticeMessage( _("No endpts"), _("Ok"), NULL );
+			wDrawDelayUpdate( mainD.d, FALSE );
+			wHide( groupW );
+			return;
+		}
+		if ( groupTrk_da.cnt == 1 && GetTrkType( groupTrk(0).trk ) == T_TURNOUT ) {
+			path = xx->paths;
+			pathLen = xx->pathLen;
+			goto groupSimpleTurnout;
+		}
+
+		/* Make sure no turnouts in groupTrk list have a path end which is not an EndPt */
+		for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
+			trk = groupTrk(0).trk;
+			if ( GetTrkType( trk ) == T_TURNOUT ) {
+				if ( GetTrkEndPtCnt( trk ) < 2 ) {
+					cp = MSG_CANT_GROUP_BUMPER1;
+					break;
+				}
+				if ( !CheckForBumper( trk ) ) {
+					cp = MSG_CANT_GROUP_BUMPER2;
+					break;
+				}
+			}
+		}
+		if ( inx < groupTrk_da.cnt ) {
+			NoticeMessage2( 0, cp, _("Ok"), NULL, GetTrkIndex( trk ) );
+			DrawTrack( trk, &mainD, wDrawColorWhite );
+			ClrTrkBits( trk, TB_SELECTED );
+			/* TODO redraw the endpt of the trks this one is connected to */
+			DrawTrack( trk, &mainD, wDrawColorBlack );
+			wDrawDelayUpdate( mainD.d, FALSE );
+			wHide( groupW );
+			return;
+		}
+
+		/*
+		 * Sort EndPts by angle
+		 */
+		endPtOrig.x /= tempEndPts_da.cnt;
+		endPtOrig.y /= tempEndPts_da.cnt;
+		angleN = 270.0;
+		epN = -1;
+		for ( ep=0; ep<tempEndPts_da.cnt; ep++ ) {
+			angle = FindAngle(endPtOrig,tempEndPts(ep).pos);
+			if ( fabs(angle-270.0) < angleN ) {
+				epN = ep;
+				angleN = fabs(angle-270.0);
+				endPtAngle = angle;
+			}
+		}
+		qsort( tempEndPts_da.ptr, tempEndPts_da.cnt, sizeof *endPtP, CmpEndPtAngle );
+		if ( NormalizeAngle( tempEndPts(0).angle - tempEndPts(tempEndPts_da.cnt-1).angle ) >
+			 NormalizeAngle( tempEndPts(1).angle - tempEndPts(0).angle ) ) {
+#ifdef LATER
+		if ( endPtAngle-FindAngle(endPtOrig,tempEndPts(tempEndPts_da.cnt-1).pos) >
+			 FindAngle(endPtOrig,tempEndPts(1).pos)-endPtAngle ) {
+#endif
+			for ( ep=1; ep<(tempEndPts_da.cnt+1)/2; ep++ ) {
+				trkEndPt_t tempEndPt;
+				tempEndPt = tempEndPts(ep);
+				tempEndPts(ep) = tempEndPts(tempEndPts_da.cnt-ep);
+				tempEndPts(tempEndPts_da.cnt-ep) = tempEndPt;
+			}
+		}
+
+		/*
+		 * Find shortest Paths
+		 */
+		for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
+			trk = groupTrk(inx).trk;
+			epCnt = GetTrkEndPtCnt(trk);
+			for ( ep=0; ep<epCnt; ep++ ) {
+				trk1 = GetTrkEndTrk(trk,ep);
+				if ( trk1 == NULL || !GetTrkSelected(trk1) ) {
+					/* boundary EP */
+					rc = FindShortestPath( trk, ep, FALSE, GroupShortestPathFunc, NULL );
+				}
+			}
+		}
+
+		/*
+		 * Flip paths so they align
+		 */
+		if ( path_da.cnt == 0 ) {
+			NoticeMessage( _("No paths"), _("Ok"), NULL );
+			wDrawDelayUpdate( mainD.d, FALSE );
+			wHide( groupW );
+			return;
+		}
+		allDone = FALSE;
+		path(0).done = TRUE;
+		while ( !allDone ) {
+			allDone = TRUE;
+			inx = -1;
+			for ( pinx=0; pinx<path_da.cnt; pinx++ ) {
+				pp = &path(pinx);
+				if ( pp->done ) continue;
+				for ( pinx2=0; pinx2<path_da.cnt; pinx2++ ) {
+					if ( pinx2==pinx ) continue;
+					ppN = &path(pinx2);
+					if ( pp->ep1 == ppN->ep1 ||
+						 pp->ep2 == ppN->ep2 ) {
+						pp->done = TRUE;
+						allDone = FALSE;
+LOG( log_group, 1, ( "P%d aligns with P%d\n", pinx, pinx2 ) );
+						break;
+					}
+					if ( pp->ep1 == ppN->ep2 ||
+						 pp->ep2 == ppN->ep1 ) {
+						pp->done = TRUE;
+						allDone = FALSE;
+LOG( log_group, 1, ( "P%d aligns flipped with P%d\n", pinx, pinx2 ) );
+						inx = (pp->pathElemStart+pp->pathElemEnd-1)/2;
+						for ( ginx=pp->pathElemStart,ginx2=pp->pathElemEnd; ginx<=inx; ginx++,ginx2-- ) {
+							pathElemTemp = pathElem(ginx);
+							pathElem(ginx) = pathElem(ginx2);
+							pathElem(ginx2) = pathElemTemp;
+						}
+						for ( ginx=pp->pathElemStart; ginx<=pp->pathElemEnd; ginx++ ) {
+							ppp = &pathElem(ginx);
+							ep = ppp->ep1;
+							ppp->ep1 = ppp->ep2;
+							ppp->ep2 = ep;
+							ppp->flip = !ppp->flip;
+						}
+						ep = pp->ep1;
+						pp->ep1 = pp->ep2;
+						pp->ep2 = ep;
+						break;
+					}
+				}
+				if ( inx<0 && !pp->done )
+					inx = pinx;
+			}
+			if ( allDone && inx>=0 ) {
+				allDone = FALSE;
+				path(inx).done = TRUE;
+			} 
+		}
+if ( log_group >= 1 && logTable(log_group).level > log_group ) {
+	LogPrintf( "Group Paths\n" );
+	for ( pinx=0; pinx<path_da.cnt; pinx++ ) {
+		pp = &path(pinx);
+		LogPrintf( "P%2d:%d.%d ", pinx, pp->ep1, pp->ep2 );
+		for ( pinx2=pp->pathElemEnd; pinx2>=pp->pathElemStart; pinx2-- ) {
+			ppp = &pathElem(pinx2);
+			LogPrintf( " %sT%d:%d.%d", ppp->flip?"-":"", GetTrkIndex(groupTrk(ppp->groupInx).trk), ppp->ep1, ppp->ep2 );
+		}
+		LogPrintf( "\n" );
+	}
+}
+
+#ifdef SEGMAP
+		DYNARR_SET( char, segMap_da, 2 * trackSegs_da.cnt * path_da.cnt + 2 );
+		memset( segMap_da.ptr, 0, segMap_da.max * sizeof segMap(0,0) );
+		for ( inx=0; inx<path_da.cnt; inx++ ) {
+			pp = &path(inx);
+			for ( inx2=pp->pathElem_da.cnt-1; inx2>=0; inx2-- ) {
+				ppp = &pathElem(pp->pathElemStart+inx2);
+				groupP = &groupTrk(ppp->groupInx);
+				if ( GetTrkEndPtCnt(groupP->trk) == 2 ) {
+					segMap(inx,groupP->segStart) = 1;
+					continue;
+				}
+				cp = ppp->path;
+				if ( cp == NULL )
+					continue;
+				segInx1 = cp[0]-1;
+				for ( ; *cp; cp++ )
+					segMap(inx,groupP->segInx+cp[0]-1) = 1;
+				segInx2 = cp[-1]-1;
+				pos1 = GetSegEndPt( &trackSegs(groupP->segInx+segInx1), ppp->flip?1:0, FALSE, NULL );
+				pos2 = GetSegEndPt( &trackSegs(groupP->segInx+segInx2), ppp->flip?0:1, FALSE, NULL );
+				for ( inx3=0; inx3<groupP->segCnt; inx3++ ) {
+					if ( inx3 == segInx1 || inx3 == segInx2 ) continue;
+					if ( segMap(inx,groupP->segInx+inx3) != 0 ) continue;
+					if ( CheckTurnoutEndPoint( &trackSegs(groupP->segInx+inx3), pos1, 0 ) )
+						segMap(inx,inx3) = 2;
+					else if ( CheckTurnoutEndPoint( &trackSegs(groupP->segInx+inx3), pos2, 0 ) )
+						segMap(inx,groupP->segInx+inx3) = 2;
+				}
+			}
+		}
+if ( log_group >= 1 && logTable(log_group).level > log_group ) {
+	LogPrintf( "Path to Segment Map\n   ");
+	for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
+		groupP = &groupTrk(inx);
+		LogPrintf( "%2d", GetTrkIndex(groupP->trk) );
+		for ( inx2=1; inx2<groupP->segCnt; inx2++ ) LogPrintf( "--" );
+	}
+	LogPrintf( "\n   " );
+	for ( inx=0; inx<groupTrk_da.cnt; inx++ ) {
+		groupP = &groupTrk(inx);
+		for ( inx2=0; inx2<groupP->segCnt; inx2++ )
+			LogPrintf( "%2d", inx2+1 );
+	}
+	LogPrintf( "\n" );
+	for ( inx=0; inx<path_da.cnt; inx++ ) {
+		LogPrintf( "%2d ", inx );
+		for ( inx2=0; inx2<trackSegs_da.cnt; inx2++ )
+			LogPrintf( "%2d", segMap(inx,inx2) );
+		LogPrintf("\n");
+	}
+}
+#endif
+
+		/*
+		 * Create Conflict Map
+		 */
+		DYNARR_SET( int, conflictMap_da, path_da.cnt*path_da.cnt );
+		memset( conflictMap_da.ptr, 0, conflictMap_da.max * sizeof conflictMap(0,0) );
+		for ( pinx=0; pinx<path_da.cnt; pinx++ ) {
+			for ( pinx2=pinx+1; pinx2<path_da.cnt; pinx2++ ) {
+				if ( ConflictPaths( &path(pinx), &path(pinx2) ) ) {
+					conflictMap( pinx, pinx2 ) = conflictMap( pinx2, pinx ) = TRUE;
+					path(pinx).conflicts++;
+					path(pinx2).conflicts++;
+				}
+			}
+		}
+
+		/*
+		 * Sort Paths by number of conflicts
+		 */
+		DYNARR_SET( int, groupOrder_da, path_da.cnt );
+		for ( pinx=0; pinx<path_da.cnt; pinx++ ) groupOrder(pinx) = pinx;
+		qsort( groupOrder_da.ptr, path_da.cnt, sizeof groupOrder(0), CmpGroupOrder );
+
+		/*
+		 * Group Paths, 1st pass: 
+		 */
+		DYNARR_SET( int, groupMap_da, path_da.cnt*(path_da.cnt+1) );
+		memset( groupMap_da.ptr, -1, groupMap_da.max * sizeof groupMap(0,0) );
+		groupCnt = 0;
+		for ( pinx=0; pinx<path_da.cnt; pinx++ ) {
+			pp = &path(groupOrder(pinx));
+			if ( pp->inGroup ) continue;
+			pp->inGroup = TRUE;
+			groupCnt++;
+			groupMap( groupCnt-1, 0 ) = groupOrder(pinx);
+			ginx = 1;
+			for ( pinx2=pinx+1; pinx2<path_da.cnt; pinx2++ ) {
+				gpinx2 = groupOrder(pinx2);
+				if ( path(gpinx2).inGroup ) continue;
+				for ( ginx2=0; ginx2<ginx && !conflictMap(groupMap(groupCnt-1,ginx2),gpinx2); ginx2++ );
+				if ( ginx2<ginx ) continue;
+				path(gpinx2).inGroup = TRUE;
+				groupMap( groupCnt-1, ginx++ ) = gpinx2;
+			}
+		}
+
+		/*
+		 * Group Paths: 2nd pass:
+		 */
+		for ( pinx=0; pinx<groupCnt; pinx++ ) {
+			for ( ginx=0; groupMap(pinx,ginx)>=0; ginx++ );
+			for ( pinx2=0; pinx2<path_da.cnt; pinx2++ ) {
+				gpinx2 = groupOrder(pinx2);
+				for ( ginx2=0; ginx2<ginx && groupMap(pinx,ginx2)!=gpinx2; ginx2++ );
+				if ( ginx2<ginx ) continue;		/* already on list */
+				for ( ginx2=0; ginx2<ginx && !conflictMap(groupMap(pinx,ginx2),gpinx2); ginx2++ );
+				if ( ginx2<ginx ) continue;		/* conflicts with someone on list */
+				groupMap(pinx,ginx++) = gpinx2;
+			}
+		}
+
+if ( log_group >= 1 && logTable(log_group).level > log_group ) {
+	LogPrintf( "Group Map\n");
+	for ( pinx=0; pinx<groupCnt; pinx++ ) {
+		LogPrintf( "G%d:", pinx );
+		for ( ginx=0; groupMap(pinx,ginx) >= 0; ginx++ )
+			LogPrintf( " %d", groupMap(pinx,ginx) );
+		LogPrintf( "\n" );
+	}
+}
+
+#ifdef SEGMAP
+	for ( inx=0; inx<path_da.cnt; inx++ ) {
+		for ( inx2=0; inx2<tempSegs_da.cnt; inx2++ ) {
+		groupInx = 0;
+		memset( &SegTotal(0), 0, tempSegs_da.cnt * sizeof SegAcc(0) );
+		while (1) {
+			memcpy( &SegAcc(0), &SegTotal(0), tempSegs_da.cnt * sizeof SegAcc(0) );
+			collision = FALSE;
+			for ( inx=0; inx<path_da.cnt; inx++ ) {
+				pp = path(0);
+				if ( pp->groupInx < 0 ) continue;
+				for ( inx2=0; inx2<tempSegs_da.cnt; inx2++ ) {
+					if ( !segMap(inx,inx2) ) continue;
+					if ( SegAcc(inx2) ) {
+						collision = TRUE;
+						break;
+					}
+					SegAcc(inx2) = TRUE;
+				}
+			}
+			if ( collision )
+		}
+#endif
+
+		/*
+		 * Count number of times each segment is used as flipped
+		 */
+		DYNARR_SET( int, conflictMap_da, trackSegs_da.cnt );
+		memset( &segFlip(0), 0, trackSegs_da.cnt * sizeof segFlip(0) );
+		for ( pinx=0; pinx<pathElem_da.cnt; pinx++ ) {
+			ppp = &pathElem(pinx);
+			for ( path=ppp->path; *path; path++ ) {
+				inx = *path;
+				if ( inx<0 )
+					inx = - inx;
+				if ( inx > trackSegs_da.cnt )
+					AbortProg( "inx > trackSegs_da.cnt" );
+				flip = *path<0;
+				if ( ppp->flip )
+					flip = !flip;
+				inx += groupTrk(ppp->groupInx).segStart - 1;
+				if ( !flip )
+					segFlip(inx)++;
+				else
+					segFlip(inx)--;
+			}
+		}
+
+		/*
+		 * Flip each segment that is used as flipped more than not
+		 */
+		for ( pinx=0; pinx<trackSegs_da.cnt; pinx++ ) {
+			if ( segFlip(pinx) < 0 ) {
+LOG( log_group, 1, ( "Flipping Segment %d\n", pinx+1 ) );
+				SegProc( SEGPROC_FLIP, &trackSegs(pinx), NULL );
+			}
+		}
+
+		/*
+		 * Output Path lists
+		 */
+		for ( pinx=0; pinx<groupCnt; pinx++ ) {
+			sprintf( message, "P%d", pinx );
+			inx = pathPtr_da.cnt;
+			DYNARR_SET( char, pathPtr_da, inx+(int)strlen(message)+1 );
+			memcpy( &pathPtr(inx), message, pathPtr_da.cnt-inx );
+			for ( ginx=0; groupMap(pinx,ginx) >= 0; ginx++ ) {
+				pp = &path(groupMap(pinx,ginx));
+				for ( pinx2=pp->pathElemEnd; pinx2>=pp->pathElemStart; pinx2-- ) {
+					ppp = &pathElem( pinx2 );
+					groupP = &groupTrk( ppp->groupInx );
+					path = ppp->path;
+					flip = ppp->flip;
+					if ( path == NULL )
+						AbortProg( "Missing Path T%d:%d.%d", GetTrkIndex(groupP->trk), ppp->ep2, ppp->ep1 );
+					if ( flip ) path += strlen((char *)path)-1;
+					while ( *path ) {
+						DYNARR_APPEND( char, pathPtr_da, 10 );
+						pathChar = *path;
+						flip1 = flip;
+						if ( pathChar < 0 ) {
+							flip1 = !flip;
+							pathChar = - pathChar;
+						}
+						pathChar = groupP->segStart+pathChar;
+						if ( segFlip(pathChar-1)<0 )
+							flip1 = ! flip1;
+						if ( flip1 ) pathChar = - pathChar;
+						pathPtr(pathPtr_da.cnt-1) = pathChar;
+						path += (flip?-1:1);
+					}
+				}
+				DYNARR_APPEND( char, pathPtr_da, 10 );
+				pathPtr(pathPtr_da.cnt-1) = 0;
+			}
+			DYNARR_APPEND( char, pathPtr_da, 10 );
+			pathPtr(pathPtr_da.cnt-1) = 0;
+		}
+		DYNARR_APPEND( char, pathPtr_da, 10 );
+		pathPtr(pathPtr_da.cnt-1) = 0;
+		path = (PATHPTR_T)&pathPtr(0);
+		pathLen = pathPtr_da.cnt;
+
+groupSimpleTurnout:
+		/*
+		 * Copy and Reorigin Segments
+		 */
+		if ( tempSegs_da.cnt > 0 ) {
+			inx = trackSegs_da.cnt;
+			DYNARR_SET( trkSeg_t, trackSegs_da, trackSegs_da.cnt+tempSegs_da.cnt );
+			memcpy( &trackSegs(inx), tempSegs_da.ptr, tempSegs_da.cnt*sizeof trackSegs(0) );
+			CloneFilledDraw( tempSegs_da.cnt, &trackSegs(inx), TRUE );
+		}
+		GetSegBounds( zero, 0, trackSegs_da.cnt, &trackSegs(0), &orig, &size );
+		orig.x = - tempEndPts(0).pos.x;
+		orig.y = - tempEndPts(0).pos.y;
+		MoveSegs( trackSegs_da.cnt, &trackSegs(0), orig );
+		for ( ep=0; ep<tempEndPts_da.cnt; ep++ ) {
+			tempEndPts(ep).pos.x += orig.x;
+			tempEndPts(ep).pos.y += orig.y;
+		}
+
+		/*
+		 * Final: create new definition
+		 */
+		CheckPaths( trackSegs_da.cnt, &trackSegs(0), path );
+		to = CreateNewTurnout( curScaleName, groupTitle, trackSegs_da.cnt, &trackSegs(0), pathLen, path, tempEndPts_da.cnt, &tempEndPts(0), TRUE );
+#ifdef LATER
+		if ( xx )
+			to->customInfo = xx->customInfo;
+#endif
+		f = OpenCustom("a");
+		if (f && to) {
+			oldLocale = SaveLocale("C");
+			rc &= fprintf( f, "TURNOUT %s \"%s\"\n", curScaleName, PutTitle(to->title) )>0;
+#ifdef LATER
+			if ( to->customInfo )
+				rc &= fprintf( f, "\tU %s\n", to->customInfo )>0;
+#endif
+			rc &= WriteCompoundPathsEndPtsSegs( f, path, trackSegs_da.cnt, &trackSegs(0), tempEndPts_da.cnt, &tempEndPts(0) );
+		}
+		if ( groupReplace ) {
+			UndoStart( _("Group Tracks"), "group" );
+			orig.x = - orig.x;
+			orig.y = - orig.y;
+			for ( ep=0; ep<tempEndPts_da.cnt; ep++ ) {
+				endPtP = &tempEndPts(ep);
+				if ( endPtP->track ) {
+					trk = GetTrkEndTrk( endPtP->track, endPtP->index );
+					epN = GetEndPtConnectedToMe( trk, endPtP->track );
+					DrawEndPt( &mainD, endPtP->track, endPtP->index, wDrawColorWhite );
+					DrawEndPt( &mainD, trk, epN, wDrawColorWhite );
+					DisconnectTracks( trk, epN, endPtP->track, endPtP->index );
+				}
+				endPtP->pos.x += orig.x;
+				endPtP->pos.y += orig.y;
+			}
+			trk = NULL;
+			while ( TrackIterate( &trk ) ) {
+				if ( GetTrkSelected( trk ) ) {
+					DrawTrack( trk, &mainD, wDrawColorWhite );
+					UndoDelete( trk );
+					trackCount--;
+				}
+			}
+			trk = NewCompound( T_TURNOUT, 0, orig, 0.0, to->title, tempEndPts_da.cnt, &tempEndPts(0), pathLen, (char *)path, trackSegs_da.cnt, &trackSegs(0) );
+			SetTrkVisible( trk, TRUE );
+
+			SetTrkVisible( trk, TRUE );
+			for ( ep=0; ep<tempEndPts_da.cnt; ep++ ) {
+				if ( tempEndPts(ep).track ) {
+					ConnectTracks( trk, ep, tempEndPts(ep).track, (EPINX_T)tempEndPts(ep).index );
+					DrawEndPt( &mainD, tempEndPts(ep).track, (EPINX_T)tempEndPts(ep).index, GetTrkColor( tempEndPts(ep).track, &mainD ) );
+				}
+			}
+			DrawNewTrack( trk );
+			EnableCommands();
+		}
+	} else {
+		CloneFilledDraw( tempSegs_da.cnt, &tempSegs(0), TRUE );
+		GetSegBounds( zero, 0, tempSegs_da.cnt, &tempSegs(0), &orig, &size );
+		orig.x = - orig.x;
+		orig.y = - orig.y;
+		MoveSegs( tempSegs_da.cnt, &tempSegs(0), orig );
+		to = CreateNewStructure( curScaleName, groupTitle, tempSegs_da.cnt, &tempSegs(0), TRUE );
+		f = OpenCustom("a");
+		if (f && to) {
+			oldLocale = SaveLocale("C");
+			rc &= fprintf( f, "STRUCTURE %s \"%s\"\n", curScaleName, PutTitle(groupTitle) )>0;
+#ifdef LATER
+			if ( to->customInfo )
+				rc &= fprintf( f, "\tU %s\n", to->customInfo )>0;
+#endif
+			rc &= WriteSegs( f, tempSegs_da.cnt, &tempSegs(0) );
+		}
+		if ( groupReplace ) {
+			UndoStart( _("Group Tracks"), "group" );
+			trk = NULL;
+			while ( TrackIterate( &trk ) ) {
+				if ( GetTrkSelected( trk ) ) {
+					DrawTrack( trk, &mainD, wDrawColorWhite );
+					UndoDelete( trk );
+					trackCount--;
+				}
+			}
+			orig.x = - orig.x;
+			orig.y = - orig.y;
+			trk = NewCompound( T_STRUCTURE, 0, orig, 0.0, groupTitle, 0, NULL, 0, "", tempSegs_da.cnt, &tempSegs(0) );
+			SetTrkVisible( trk, TRUE );
+			DrawNewTrack( trk );
+			EnableCommands();
+		}
+	}
+	if (f) fclose(f);
+	RestoreLocale(oldLocale);
+	DoChangeNotification( CHANGE_PARAMS );
+	wHide( groupW );
+	wDrawDelayUpdate( mainD.d, FALSE );
+	groupDesc[0] = '\0';
+	groupPartno[0] = '\0';
+}
+
+
+EXPORT void DoGroup( void )
+{
+	track_p trk = NULL;
+	struct extraData *xx;
+	TRKTYP_T trkType;
+	xx = NULL;
+	groupSegCnt = 0;
+	groupCompoundCount = 0;
+	while ( TrackIterate( &trk ) ) {
+		if ( GetTrkSelected( trk ) ) {
+			trkType = GetTrkType(trk);
+			if ( trkType == T_TURNOUT || trkType == T_STRUCTURE ) {
+				xx = GetTrkExtraData(trk);
+				groupSegCnt += xx->segCnt;
+				GroupCopyTitle( xtitle(xx) );
+			} else {
+				groupSegCnt += 1;
+			}
+		}
+	}
+	if ( groupSegCnt <= 0 ) {
+		ErrorMessage( MSG_NO_SELECTED_TRK );
+		return;
+	}
+	sprintf( groupTitle, "%s\t%s\t%s", groupManuf, groupDesc, groupPartno );
+	if ( log_group < 0 )
+		log_group = LogFindIndex( "group" );
+	if ( !groupW ) {
+		ParamRegister( &groupPG );
+		groupW = ParamCreateDialog( &groupPG, MakeWindowTitle(_("Group Objects")), _("Ok"), GroupOk, wHide, TRUE, NULL, F_BLOCK, NULL );
+		groupD.dpi = mainD.dpi;
+	}
+	ParamLoadControls( &groupPG );
+	wShow( groupW );
+}
+