[segyio] 04/376: Scan for min max sample

[Jørgen Kvalsvik]

This is an automated email from the git hooks/post-receive script.

jokva-guest pushed a commit to branch debian
in repository segyio.

commit 7f0723511fc9a0251dfd7d65b5413ec2583fa0da
Author: Kjell W. Kongsvik <kwko at statoil.com>
Date:   Mon Oct 3 13:00:55 2016 +0200

    Scan for min max sample
    
    Example program
---
 examples/CMakeLists.txt  |  2 +-
 examples/scan_min_max.py | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 2c1f261..9eca648 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -5,4 +5,4 @@ add_python_example(python.examples.about about.py test-data/small.sgy INLINE_3D
 add_python_example(python.examples.write write.py test-data/small.sgy)
 add_python_example(python.examples.makefile make-file.py test-data/large-file.sgy 20 1 20 1 20)
 add_python_example(python.examples.subcube copy-sub-cube.py test-data/small.sgy test-data/copy.sgy)
-
+add_python_example(python.examples.scan_min_max scan_min_max.py test-data/small.sgy)
diff --git a/examples/scan_min_max.py b/examples/scan_min_max.py
new file mode 100644
index 0000000..678f2a4
--- /dev/null
+++ b/examples/scan_min_max.py
@@ -0,0 +1,24 @@
+import sys
+import segyio
+import numpy as np
+
+
+def main():
+    if len(sys.argv) < 2:
+        sys.exit("Usage: {} [segyfile] ".format(sys.argv[0]))
+
+    segyfile = sys.argv[1]
+
+    min_value = sys.float_info.max
+    max_value = sys.float_info.min
+
+    with segyio.open(segyfile) as f:
+        for trace in f.trace:
+            min_value = min(np.amin(trace), min_value)
+            max_value = max(np.amin(trace), max_value)
+
+    print "min: {}".format(min_value)
+    print "max: {}".format(max_value)
+
+if __name__ == '__main__':
+    main()

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/debian-science/packages/segyio.git