vroum testing in progress

floatimg.h

@@ -124,7 +124,8 @@ int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
 int fimg_mix_rgb_gray(FloatImg *img, float mix);
 int     fimg_shift_to_zero(FloatImg *s, FloatImg *d, float coefs[6]);
 
-int fimg_classif_trial(FloatImg *src, FloatImg*dst, int notused);
+/* experimental ! */
+int fimg_classif_trial(FloatImg *src, FloatImg*dst, float fval, int notused);
 
 /*	module funcs/geometry.c		*/
 int fimg_equalize_compute(FloatImg *src, void *vptr, float vmax);

funcs/classif.c

@@ -14,14 +14,14 @@ int		verbosity;
 /* --------------------------------------------------------------------- */
 /* nouveau 2 octobre 2020, juste avant sonoptic de la pluie craignos	 */
 
-int fimg_classif_trial(FloatImg *psrc, FloatImg *pdst, int notused)
+int fimg_classif_trial(FloatImg *psrc, FloatImg *pdst, float fval, int notused)
 {
 float		minmax[6], delta[3], baryc[3];
 float		range, dist, rgb[3], dr, dg, db;
 int		x, y, on, off;
 
 #if DEBUG_LEVEL
-fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, psrc, pdst, notused);
+fprintf(stderr, ">>> %s ( %p %p %f %d )\n", __func__, psrc, pdst, fval, notused);
 #endif
 
 /* calculer les amplitudes RGB de l'image source */
@@ -35,17 +35,18 @@ range = delta[0]; 	if (delta[1]<range) range=delta[1];
 			if (delta[2]<range) range=delta[2];
 
 /* convertir le diametre en rayon (magic inside) */
-range /= 2.0;
+range *= fval;
 
-fprintf(stderr, "deltas : %f  %f  %f  /  %f\n",
-				delta[0], delta[1], delta[2], range);
+if (verbosity ) fprintf(stderr, "deltas : %f  %f  %f  /  %f\n",
+					delta[0], delta[1], delta[2], range);
 
 
 /* calcul du "barycentre" chromatique */
 baryc[0] = (minmax[1] + minmax[0]) / 2;
 baryc[1] = (minmax[3] + minmax[2]) / 2;
 baryc[2] = (minmax[5] + minmax[4]) / 2;
-fprintf(stderr, "barycs : %f  %f  %f\n", baryc[0], baryc[1], baryc[2]);
+if (verbosity) fprintf(stderr, "barycs : %f  %f  %f\n",
+					baryc[0], baryc[1], baryc[2]);
 
 on = off = 0;
 
@@ -64,13 +65,15 @@ for (y=0; y<psrc->height; y++) {
 	if (x==y) fprintf(stderr, "%4d  %4d   %f\n", x, y, dist);
 #endif
 
-		/* action !!! */
+		/*   action !!!   */
 		if (dist > range) {
-			rgb[0] = rgb[1] = rgb[2] = 
-				(rgb[0] + rgb[1] + rgb[2]) / 3.0; 
+			/* make our pixel gray-level */
+			rgb[0] = rgb[1] = rgb[2] = 0.0;
+				// (rgb[0] + rgb[1] + rgb[2]) / 3.0; 
 			on++;
 			}
 		else	{
+			/* the easy part : do nothing */
 			off++;
 			}
 

funcs/t.c

@@ -36,7 +36,7 @@ else	{
 
 fimg_clone(&src, &dst, 1);
 
-foo = fimg_classif_trial(&src, &dst, 0);
+foo = fimg_classif_trial(&src, &dst, global_fvalue, 0);
 if (foo) {
 	fprintf(stderr, "%s: err %d in classif_trial\n", __func__, foo);
 	return foo;
@@ -48,7 +48,7 @@ if (foo) {
 	return foo;
 	}
 
-return foo;
+return 0;
 }
 /* --------------------------------------------------------------------- */
 /* nouveau 19 aout 2020, le matin avant la canicule */
@@ -551,6 +551,7 @@ filename = argv[optind+1];
 
 if (verbosity) {
 	fprintf(stderr, "running command '%s' on '%s'\n", command, filename);
+	fprintf(stderr, "global fvalue : %f\n", global_fvalue);
 	}
 
 opt = lookup_cmd(command);

funcs/vroum.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+
+src=foo.fimg
+maxi=90
+
+grabvidseq -s 640x480 -vv -p 0 -n 2000 -c cos01 -o $src
+
+for foo in $(seq 0 $maxi)
+do
+
+	fval=$(echo "$foo / $maxi" | bc -l)
+	./t -k $fval -v classif $src
+
+	echo $foo $fval
+
+	nom=$(printf "v_%03d.pnm" $foo)
+	cp out.pnm $nom
+
+	echo $nom
+
+done
+
+convert -delay 10 v_*.pnm foo.gif

tools/fimgfx.c

@@ -77,7 +77,7 @@ if (foo) {
 	return -98;
 	}
 
-foo = fimg_classif_trial(S, D, 0);
+foo = fimg_classif_trial(S, D, kf, 0);
 if (foo) {
 	fprintf(stderr, "%s err %d classif_trial %p\n", __func__,
 				foo, 		S);