Merge pull request #49 from cse-sim/shadeFix

Fix shade calc errors caused by insufficient pixel count

Author: chipbarnaby

src/SHADING.CPP

@@ -590,10 +590,10 @@ int SURFGEOM::gx_CalcBeamShading(		// beam shading for current hour
 		else
 		{	float PSSF = PUMBRA( calculatePSSF)( gx_pnIdx);
 			fBeam = PSSF / (cosi*gx_area);
+			// PUMBRA(renderScene)(gx_pnIdx);
+
 			if (fBeam > 1.f)
-			{	
-#if 1
-				if (fBeam > 1.05f && cosi > .01f)
+			{	if (fBeam > 1.05f && cosi > .01f)
 				{	// report some errors > 5% and all errors > 10%
 					//  ignore if low sun angles
 					static const int MAXFBEAMMSGS = 20;
@@ -603,10 +603,9 @@ int SURFGEOM::gx_CalcBeamShading(		// beam shading for current hour
 									: "";
 						rWarn( "%s: calculated sunlit fraction (=%0.4f) s/b <= 1.%s",
 							gx_pParent->classObjTx( 1), fBeam, noMore);
-            PUMBRA(renderScene)(gx_pnIdx);
+						// PUMBRA(renderScene)(gx_pnIdx);
 					}
 				}
-#endif
 				fBeam = 1.;		// limit to 1
 			}
 			// round to nearest thousandth to minimize pixel precision 
@@ -700,7 +699,8 @@ static void PenumbraMessageHandler(
 RC TOPRAT::tp_PumbraInit()
 {	RC rc = RCOK;
 	if (!tp_pPumbra)
-	{	const int size = 512;	// context size (=# of pixels)
+	{	const int size = 4096;	// context size (=# of x and y pixels of gpu buffer)
+								//   500->4096 1-2019 after inaccurate cases found
 		tp_pPumbra = new Pumbra::Penumbra( PenumbraMessageHandler, this, size);
 		if (!tp_pPumbra)
 			rc = RCBAD;		// not expected