* levillain/double.cc, levillain/min-max.cc: New.
* levillain/Makefile: New.
---
milena/sandbox/ChangeLog | 7 +++++
milena/sandbox/levillain/.gitignore | 2 +
milena/sandbox/levillain/double.cc | 47 ++++++++++++++++++++++++++++++++++
milena/sandbox/levillain/min-max.cc | 48 +++++++++++++++++++++++++++++++++++
4 files changed, 104 insertions(+), 0 deletions(-)
create mode 100644 milena/sandbox/levillain/.gitignore
create mode 100644 milena/sandbox/levillain/double.cc
create mode 100644 milena/sandbox/levillain/min-max.cc
diff --git a/milena/sandbox/ChangeLog b/milena/sandbox/ChangeLog
index dfba024..95e28a5 100644
--- a/milena/sandbox/ChangeLog
+++ b/milena/sandbox/ChangeLog
@@ -1,3 +1,10 @@
+2009-08-31 Roland Levillain <roland(a)lrde.epita.fr>
+
+ Add some examples for Laurent.
+
+ * levillain/double.cc, levillain/min-max.cc: New.
+ * levillain/Makefile: New.
+
2009-08-31 Yann Jacquelet <jacquelet(a)lrde.epita.fr>
Write the kmean main loop.
diff --git a/milena/sandbox/levillain/.gitignore b/milena/sandbox/levillain/.gitignore
new file mode 100644
index 0000000..627984b
--- /dev/null
+++ b/milena/sandbox/levillain/.gitignore
@@ -0,0 +1,2 @@
+double
+min-max
diff --git a/milena/sandbox/levillain/double.cc b/milena/sandbox/levillain/double.cc
new file mode 100644
index 0000000..67e931c
--- /dev/null
+++ b/milena/sandbox/levillain/double.cc
@@ -0,0 +1,47 @@
+#include <mln/value/int_u8.hh>
+#include <mln/core/image/image2d.hh>
+
+#include <mln/debug/iota.hh>
+#include <mln/debug/println.hh>
+
+int main()
+{
+ using namespace mln;
+ using mln::value::int_u8;
+
+ image2d<int_u8> ima(5, 5);
+ debug::iota(ima);
+ debug::println(ima);
+ /* ima =
+
+ 1 2 3 4 5
+ 6 7 8 9 10
+ 11 12 13 14 15
+ 16 17 18 19 20
+ 21 22 23 24 25 */
+
+ image2d<int_u8> ima_x2 (10, 10);
+ mln_piter_(image2d<int_u8>) p(ima_x2.domain());
+ for_all(p)
+ {
+ /* This conversion from ``piter'' to ``point'' is required, since
+ an iterator does not expose the interface of the underlying
+ point (among which the methods row(), col(), etc.). */
+ point2d p_ = p;
+ point2d q(p_.row() / 2, p_.col() / 2);
+ ima_x2(p) = ima(q);
+ }
+ debug::println(ima_x2);
+ /* ima_x2 =
+
+ 1 1 2 2 3 3 4 4 5 5
+ 1 1 2 2 3 3 4 4 5 5
+ 6 6 7 7 8 8 9 9 10 10
+ 6 6 7 7 8 8 9 9 10 10
+ 11 11 12 12 13 13 14 14 15 15
+ 11 11 12 12 13 13 14 14 15 15
+ 16 16 17 17 18 18 19 19 20 20
+ 16 16 17 17 18 18 19 19 20 20
+ 21 21 22 22 23 23 24 24 25 25
+ 21 21 22 22 23 23 24 24 25 25 */
+}
diff --git a/milena/sandbox/levillain/min-max.cc b/milena/sandbox/levillain/min-max.cc
new file mode 100644
index 0000000..d9c473a
--- /dev/null
+++ b/milena/sandbox/levillain/min-max.cc
@@ -0,0 +1,48 @@
+#include <iostream>
+
+#include <mln/value/int_u8.hh>
+#include <mln/core/image/image2d.hh>
+#include <mln/core/image/dmorph/image_if.hh>
+
+#include <mln/accu/stat/min_max.hh>
+
+#include <mln/debug/iota.hh>
+#include <mln/debug/println.hh>
+
+#include <mln/core/var.hh>
+
+int main()
+{
+ using namespace mln;
+ using mln::value::int_u8;
+
+ image2d<int_u8> ima(5, 5);
+ debug::iota(ima);
+ /* ima =
+
+ 1 2 3 4 5
+ 6 7 8 9 10
+ 11 12 13 14 15
+ 16 17 18 19 20
+ 21 22 23 24 25 */
+
+ // A region delimited by a box (could also be something more complicated).
+ point2d x(1, 1);
+ point2d y(3, 4);
+ box2d region(x, y);
+
+ // These lines are not really portable, because of `mln_VAR'...
+ mln_VAR(sub_ima, ima | region);
+ mln_piter_(sub_ima_t) p(sub_ima.domain());
+ /* ...and are a shortcut for this (portable) code:
+
+ typedef sub_image< image2d<int_u8>, box2d > sub_ima_t;
+ mln_piter_(sub_ima_t) p((ima | region).domain());
+
+ */
+ accu::stat::min_max<int_u8> accu;
+ for_all(p)
+ accu.take(ima(p));
+ std::cout << "min = " << accu.first() << std::endl;
+ std::cout << "max = " << accu.second() << std::endl;
+}
--
1.6.3.1
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