--- ray/src/rt/Rmakefile	2025/05/29 18:13:22	2.102
+++ ray/src/rt/Rmakefile	2025/10/22 02:38:27	2.104
@@ -1,4 +1,4 @@
-# RCSid: $Id: Rmakefile,v 2.102 2025/05/29 18:13:22 greg Exp $
+# RCSid: $Id: Rmakefile,v 2.104 2025/10/22 02:38:27 greg Exp $
 #
 # Compiles for ray tracing programs.
 #
@@ -75,6 +75,11 @@ RdataShareFile.cpp RdataShareMap.cpp
 RXPCOBJS = rxpiece.o RpictSimulManager.o RtraceSimulManager.o srcdraw.o
 RXPCSRC = rxpiece.cpp RpictSimulManager.cpp RtraceSimulManager.cpp srcdraw.c
 
+RXFMOBJS = rxfluxmtx.o RcontribSimulManager.o RtraceSimulManager.o \
+RdataShareFile.o RdataShareMap.o
+RXFMSRC = rxfluxmtx.cpp RcontribSimulManager.cpp RtraceSimulManager.cpp \
+RdataShareFile.cpp RdataShareMap.cpp
+
 RLOBJS = raycalls.o raypcalls.o rayfifo.o
 RLSRC = raycalls.c raypcalls.c rayfifo.c
 
@@ -122,7 +127,8 @@ HEADERS = ambient.h ray.h otspecial.h source.h
 #
 
 PROGS = $(DESTDIR)/rtrace $(DESTDIR)/rpict $(DESTDIR)/rvu $(DESTDIR)/rcontrib \
-$(DESTDIR)/lookamb $(DESTDIR)/mkpmap $(DESTDIR)/pmapdump
+$(DESTDIR)/lookamb $(DESTDIR)/mkpmap $(DESTDIR)/pmapdump \
+$(DESTDIR)/rxpiece
 
 all:	$(PROGS) $(RCLIB) $(SPECIAL)
 
@@ -172,6 +178,11 @@ $(DESTDIR)/rxpiece:	$(RXPCOBJS) $(RCLIB) $(RLIB)
 	$(CXX) $(CXXFLAGS) -o $(DESTDIR)/rxpiece $(RXPCOBJS) $(RCLIB) \
 $(RLIB) $(CXXLIBS)
 
+$(DESTDIR)/rxfluxmtx:	$(RXFMOBJS) $(RCLIB) $(RLIB)
+	$(CXX) $(CXXFLAGS) -o $(DESTDIR)/rxfluxmtx $(RXFMOBJS) $(RCLIB) \
+$(RLIB) $(CXXLIBS)
+
+
 $(DESTDIR)/lookamb:	lookamb.o ambio.o
 	$(CC) $(CFLAGS) -o $(DESTDIR)/lookamb lookamb.o ambio.o $(LIBS)
 
@@ -249,7 +260,7 @@ raycalls.o raypcalls.o rayfifo.o raytrace.o rpict.o rt
 source.o sphere.o srcdraw.o srcobstr.o srcsamp.o srcsupp.o t_data.o t_func.o \
 text.o rpmain.o rtmain.o rvmain.o virtuals.o m_alias.o rcmain.o \
 rcontrib.o rc2.o rc3.o RtraceSimulManager.o RpictSimulManager.o \
-rxtrace.o rxtmain.o rxpiece.o rxpmain.o rxcmain.o m_wgmdf.o \
+rxtrace.o rxtmain.o rxpiece.o rxpmain.o rxcmain.o m_wgmdf.o rxfluxmtx.o \
 RcontribSimulManager.o RpictSimulManager.o RtraceSimulManager.o:	ray.h \
 ../common/standard.h ../common/rtmisc.h ../common/rtio.h ../common/rtmath.h \
 ../common/rterror.h ../common/octree.h \
@@ -273,7 +284,7 @@ pmapooc.o pmapsrc.o pmcontrib2.o m_mirror.o \
 raytrace.o rtrace.o rv2.o rv3.o source.o \
 srcdraw.o srcobstr.o virtuals.o:	otspecial.h
 
-rpmain.o rtmain.o rvmain.o rpict.o \
+rpmain.o rtmain.o rvmain.o rpict.o rxfluxmtx.o \
 srcdraw.o:	../common/view.h ../common/resolu.h
 
 rpict.o:	../common/hilbert.h
@@ -318,6 +329,9 @@ srcobstr.o:	source.h
 m_bsdf.o:	ambient.h source.h func.h \
 ../common/calcomp.h ../common/bsdf.h ../common/random.h
 
+rxfluxmtx.o:	func.h ../common/bsdf.h ../common/bsdf_m.h \
+../common/random.h ../common/triangulate.h
+
 rcmain.o rcontrib.o rc2.o rc3.o:	rcontrib.h \
 ../common/platform.h ../common/paths.h ../common/lookup.h \
 func.h ../common/calcomp.h ../common/rtprocess.h
@@ -475,7 +489,7 @@ oocbuild.o: oocbuild.c oocbuild.h oocsort.h oococt.h
 
 oocnn.o: oocnn.c oocnn.h oococt.h oocsort.h
 
-rxtrace.o rxtmain.o rxpiece.o rxpmain.o rxcmain.o \
+rxtrace.o rxtmain.o rxpiece.o rxpmain.o rxcmain.o rxfluxmtx.o \
 RcontribSimulManager.o RpictSimulManager.o \
 RtraceSimulManager.o:	RtraceSimulManager.h \
 ../common/abitmap.h
@@ -483,7 +497,7 @@ RtraceSimulManager.o:	RtraceSimulManager.h \
 RpictSimulManager.o rxpiece.o rxpmain.o:	RpictSimulManager.h \
 ../common/view.h ../common/depthcodec.h ../common/abitmap.h
 
-rxcmain.o RcontribSimulManager.o:	RcontribSimulManager.h RdataShare.h \
+rxcmain.o RcontribSimulManager.o rxfluxmtx.o:	RcontribSimulManager.h RdataShare.h \
 ../common/lookup.h ../common/rtprocess.h
 
 RdataShareFile.o RdataShareMap.o:	RdataShare.h \