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From: Georges Khaznadar <georges.khaznadar@free.fr>
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Subject: [EDUC] Re: Logiciel Images Actives
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Nicolas Schont a =C3=A9crit :
> Bonjour=20
>=20
> L'avantage de le faire avec inkscape c'est de dessiner un contour sur l'i=
mage et il propre directement les coordonn=C3=A9es pour le svg
>=20
>=20
> Avec gimp il faut faire ce contour le copier le coller sur un autre calqu=
e=20

=C3=80 mon avis inkscape c'est vite =C3=A9puisant si on clique chaque d=C3=
=A9tail du
contour. Exemple, le frottis sanguin
http://isabelle-perucho.ac-versailles.fr/Images_actives/frottis_sanguin2/in=
dex.html


Alors qu'il est imm=C3=A9diat de faire ressortir chaque cellule sous Gimp
par un simple seuillage, puis de laisser Inkscape ensuite transformer le
masque obtenu par seuillage en un chemin.

Je me permets de signaler l'excellent quiqwt
(http://code.google.com/p/guiqwt/) qui permettrait de faire ce genre
d'op=C3=A9ration assez pointue en trois temps, deux mouvements. Il est
utilis=C3=A9 plut=C3=B4t pour l'imagerie m=C3=A9dicale ... mais pourquoi pa=
s pour
l'imagerie =C3=A9ducative ?

Amiti=C3=A9s,			Georges.


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