.. _`Find contours`:

.. _`com.sympathyfordata.imageanalysis.find_contours`:

Find contours
`````````````

.. image:: image_find_contour.svg
   :width: 48


Extracts iso-contours based on intensity levels in the image. Uses a 2D case of the marching cubes algorithm.




Documentation
:::::::::::::

Extracts iso-contours based on intensity levels in the image. Uses a 2D case of the marching cubes algorithm.


Definition
::::::::::


Input ports
...........

    **image**
        | Type: image
        | Description: Image to extract contours from

Output ports
............

    **contours**
        | Type: [table]
        | Description: Contours



Configuration
.............

    **Level** (level)
        The intensity level at which to extract contours







Examples
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Example flows demonstrating this node:

* :download:`Snake_contours.syx </Examples/Image Analysis/Snake_contours.syx>`






Implementation
..............

.. automodule:: node_contours
    :noindex:

.. class:: FindContours
    :noindex: