--- ray/src/rt/RpictSimulManager.h	2024/08/19 16:41:40	2.4
+++ ray/src/rt/RpictSimulManager.h	2024/09/16 19:18:32	2.8
@@ -1,4 +1,4 @@
-/* RCSid $Id: RpictSimulManager.h,v 2.4 2024/08/19 16:41:40 greg Exp $ */
+/* RCSid $Id: RpictSimulManager.h,v 2.8 2024/09/16 19:18:32 greg Exp $ */
 /*
  *  RpictSimulManager.h
  *
@@ -251,9 +251,10 @@ class RpictSimulManager : protected RtraceSimulManager
 	COLORV *		barPix;			// current render bar pixels
 	float *			barDepth;		// current render bar depths
 	bool			SetTile(const int ti[2]);
-	bool			RenderRect();
+	bool			RenderRect(const int x0 = 0, const int y0 = 0);
 	bool			ComputePixel(int x, int y);
-	bool			BelowSampThresh(int x, int y, const int noff[4][2]) const;
+	bool			BelowSampThresh(const int x, const int y,
+							const int noff[4][2]) const;
 	void			FillSquare(const int x, const int y, const int noff[4][2]);
 	void			NewBar(int ht = 0);
 	bool			LowerBar(int v, int ytop);
@@ -275,7 +276,7 @@ class RpictSimulManager : protected RtraceSimulManager
 					frameNo = 0;
 				}
 				~RpictSimulManager() {
-					NewBar();
+					delete [] barPix; delete [] barDepth;
 				}
 				/// Load octree and prepare renderer
 	bool			LoadOctree(const char *octn) {
@@ -294,9 +295,13 @@ class RpictSimulManager : protected RtraceSimulManager
 					return RtraceSimulManager::AddHeader(ac, av);
 				}
 				/// Get header lines if any
-	const char *		GetHeader() const {
-					return RtraceSimulManager::GetHeader();
+	const char *		GetHeadStr() const {
+					return RtraceSimulManager::GetHeadStr();
 				}
+				/// Look for specific header keyword, return value
+	const char *		GetHeadStr(const char *key, bool inOK = false) const {
+					return RtraceSimulManager::GetHeadStr(key, inOK);
+				}
 				/// Set number of computation threads (0 => #cores)
 	int			SetThreadCount(int nt = 0) {
 					return RtraceSimulManager::SetThreadCount(nt);
@@ -381,7 +386,7 @@ class RpictSimulManager : protected RtraceSimulManager
 						const int *tile=NULL);
 				/// Render and write a frame to the named file
 				/// Include any header lines set prior to call
-				/// Picture file must not already exist
+				/// Picture file must not exist
 				/// Write pixels to stdout if !pfname
 				/// Write depth to a command if dfname[0]=='!'
 	RenderDataType		RenderFrame(const char *pfname,
@@ -390,6 +395,16 @@ class RpictSimulManager : protected RtraceSimulManager
 				/// Resume partially finished rendering
 				/// Picture file must exist with valid header
 	RenderDataType		ResumeFrame(const char *pfname,
+						const char *dfname=NULL);
+				/// Prepare new picture (and depth) output
+				/// Called by RenderFrame()
+	RenderDataType		NewOutput(FILE *pdfp[2], const char *pfname,
+						RenderDataType dt=RDTrgbe,
+						const char *dfname=NULL);
+				/// Reopen existing picture (and depth) file
+				/// Called by ResumeFrame()
+				/// File pointers @ end of header (before res.)
+	RenderDataType		ReopenOutput(FILE *pdfp[2], const char *pfname,
 						const char *dfname=NULL);
 				/// Close octree, free data, return status
 	int			Cleanup(bool everything = false) {