.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/3Dvispy/02-overlay_fault.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_gallery_3Dvispy_02-overlay_fault.py>`
        to download the full example code

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_3Dvispy_02-overlay_fault.py:


Overlaying fault displays on slices of 3D seismic data bodies
===================================================================

``create_overlay``: the first parameters is (background), 
and the second parameters is (foreground)

.. Note::
    foreground 需要合理设置透明度和mask

.. image:: ../../_static/cigvis/3Dvispy/02.png
    :alt: image
    :align: center

.. GENERATED FROM PYTHON SOURCE LINES 20-45

.. code-block:: default


    # sphinx_gallery_thumbnail_path = '_static/cigvis/3Dvispy/02.png'

    import numpy as np
    import cigvis
    from cigvis import colormap
    from pathlib import Path
    root = Path(__file__).resolve().parent.parent.parent

    sxp = root / 'data/rgt/sx.dat'
    fxp = root / 'data/rgt/fx.dat'
    ni, nx, nt = 128, 128, 128

    sx = np.fromfile(sxp, np.float32).reshape(ni, nx, nt)
    fx = np.fromfile(fxp, np.float32).reshape(ni, nx, nt)

    # mask min value (0), 0 means no fault
    fg_cmap = colormap.set_alpha_except_min('jet', alpha=1)

    # fx is discrete data, set interpolation as 'nearest'
    nodes = cigvis.create_slices(sx, pos=[[36], [28], [84]], cmap='gray')
    nodes = cigvis.add_mask(nodes, fx, cmaps=fg_cmap, interpolation='nearest')
    nodes += cigvis.create_colorbar_from_nodes(nodes, 'Amplitude', select='slices')

    cigvis.plot3D(nodes, size=(700, 600), savename='example.png')


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.000 seconds)


.. _sphx_glr_download_gallery_3Dvispy_02-overlay_fault.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example




    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: 02-overlay_fault.py <02-overlay_fault.py>`

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: 02-overlay_fault.ipynb <02-overlay_fault.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_