enhance doc

datas/README.md

@@ -1,4 +1,14 @@
 # statics datas
 
-Things like `height_fields` or `image_map` files...
+This directory is the home of things like :
 
+- `height_fields`, or « Champs d'altitude »
+- `image_map`, or « Papier peint »
+
+But you have to provide your homebrewed one, who must be of high
+quality, larger than 512x512 pixels. On the other side, you are
+free to experiment with ugly files *:)*
+
+You can also see the colors for the EGA conversion : 
+![16 colors](ega-16colors.png), used by this
+[script](tools/build-ega-mp4.sh).

tools/build-ega-mp4.sh

@@ -35,4 +35,4 @@ done
 ff_encodage "EGA/" "ega-$SEQ.mp4"
 
 fin=$(date +%s)
-echo "$SEQ -> EGA" $(( fin-debut )) "secondes" >> WS/log
+echo "$SEQ -> ega" $(( fin-debut )) "secondes" >> WS/log

tools/mkloop.sh

@@ -62,5 +62,6 @@ echo
 
 ff_encodage $SEQNAME wip-${SEQNAME}.mp4
 
-echo "+------- build of $SEQNAME done"
+echo "build of $SEQNAME done" | tee -a WS/log
+