:orphan:

rancon
------


Plot irregular distributed data

.. image:: ../_static/examples/rancon.png

----

.. code-block:: python
    
    
    
    from gr.pygr import *
    
    xd = [3, 3, 10, 18, 18, 10, 10, 5, 1, 15, 20, 5, 15, 10, 7, 13, 16]
    yd = [3, 18, 18, 3, 18, 10, 1, 5, 10, 5, 10, 15, 15, 15, 20, 20, 8]
    zd = [25, 25, 25, 25, 25, -5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 25]
    
    gr.setviewport(0.1, 0.9, 0.1, 0.9)
    gr.setwindow(0.0, 20.0, 0.0, 20.0)
    gr.setcharheight(0.027)
    gr.settextalign(2, 0)
    gr.settextfontprec(3, 0)
    gr.text(0.5, 0.96, 'DEMONSTRATION PLOT FOR RANDOM CONTOURS')
    gr.selntran(1)
    gr.setspace(-10.0, 40.0, 0, 90)
    gr.axes(1.0, 1.0, 0.0, 0.0, 5, 5, -0.01)
    gr.setwindow(0, 20, 0, 20)
    gr.setspace(-10, 40, 0, 90)
    
    x, y, z = gr.gridit(xd, yd, zd, 40, 40)
    h = range(-4, 28, 2)
    gr.contour(x, y, h, z, 0)
    
    gr.updatews()