From 7cefa36d628c0fc06ed6746eb9f6f8c718f04398 Mon Sep 17 00:00:00 2001
From: tTh <tth@konrad.lan>
Date: Sat, 29 Apr 2023 23:44:56 +0200
Subject: [PATCH] add bouding-box export

---
 tools/export_evblob.c | 44 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/tools/export_evblob.c b/tools/export_evblob.c
index 21977f9..34b6ef5 100644
--- a/tools/export_evblob.c
+++ b/tools/export_evblob.c
@@ -17,6 +17,43 @@
 
 int		verbosity;
 
+/* --------------------------------------------------------------------- */
+/*			EXPERIMENTAL GRUIK-CODE !!!			 */
+int printf_the_boudingbox(EdgesAndVertices *eav)
+{
+int		idx;
+double		x, y, z;
+double		minX, minY, minZ;
+double		maxX, maxY, maxZ;
+
+minX = minY = minZ =  1e35;
+maxX = maxY = maxZ = -1e35;
+
+#if DEBUG_LEVEL
+fprintf(stderr, ">>> %s ( %p )\n", __func__, eav);
+#endif
+
+fprintf(stderr, "====== %s is not fully implemented ======\n", __func__);
+
+for (idx=0; idx<eav->Blist->fidx; idx++) {
+	x = eav->Blist->bbs[idx].p.x;
+	y = eav->Blist->bbs[idx].p.y;
+	z = eav->Blist->bbs[idx].p.z;
+
+	if	(x < minX)		minX = x;
+	else if (x > maxX)		maxX = x;
+	if	(y < minY)		minY = y;
+	else if (y > maxY)		maxY = y;
+	if	(z < minZ)		minZ = z;
+	else if (z > maxZ)		maxZ = z;
+
+	}
+
+printf(		"%.9f %.9f %.9f   %.9f %.9f %.9f\n",
+		minX, minY, minZ, maxX, maxY, maxZ);
+
+return -1;
+}
 /* --------------------------------------------------------------------- */
 /*			EXPERIMENTAL GRUIK-CODE !!!			 */
 int printf_the_vertices(EdgesAndVertices *eav)
@@ -101,12 +138,16 @@ if (verbosity > 1) {
 mode = 666;
 if      (! strcasecmp("edges",    outmode)) { mode = 0; }
 else if (! strcasecmp("vertices", outmode)) { mode = 1; }
+else if (! strcasecmp("bbox",     outmode)) { mode = 2; }
 
 switch (mode) {
 	case 0:
 		printf_the_edges(&eav);			break;
 	case 1:
 		printf_the_vertices(&eav);		break;
+	case 2:
+		printf_the_boudingbox(&eav);		break;
+
 	default:
 		fprintf(stderr, "no way to do '%s'\n", outmode);
 		exit(1);
@@ -141,10 +182,11 @@ while ((opt = getopt(argc, argv, "ht:v")) != -1) {
 		case 'v':
 			verbosity++;		break;
 		case 't':
-			fprintf(stderr, "type -> '%s'\n", optarg);
+			// fprintf(stderr, "type -> '%s'\n", optarg);
 			outmode = optarg;
 			break;
 		default:
+			fprintf(stderr, "'%c' EBADOPT\n", opt);
 			exit(1);
 			break;
 		}