.. _axes_grid-demo_axes_grid:

axes_grid example code: demo_axes_grid.py
=========================================



.. plot:: /home/mandrake/rpm/BUILD/matplotlib-0.99.3/doc/mpl_examples/axes_grid/demo_axes_grid.py

::

    import matplotlib.pyplot as plt
    from demo_image import get_demo_image
    from mpl_toolkits.axes_grid import AxesGrid
    
    
    def demo_simple_grid(fig):
        """
        A grid of 2x2 images with 0.05 inch pad between images and only
        the lower-left axes is labeld.
        """
        grid = AxesGrid(fig, 131, # similar to subplot(131)
                        nrows_ncols = (2, 2),
                        axes_pad = 0.05,
                        label_mode = "1",
                        )
    
        Z, extent = get_demo_image()
        for i in range(4):
            im = grid[i].imshow(Z, extent=extent, interpolation="nearest")
    
        # This only affects axes in first column and second row as share_all = False.
        grid.axes_llc.set_xticks([-2, 0, 2])
        grid.axes_llc.set_yticks([-2, 0, 2])
    
    
    def demo_grid_with_single_cbar(fig):
        """
        A grid of 2x2 images with a single colobar
        """
        grid = AxesGrid(fig, 132, # similar to subplot(132)
                        nrows_ncols = (2, 2),
                        axes_pad = 0.0,
                        share_all=True,
                        label_mode = "L",
                        cbar_mode="single",
                        )
    
        Z, extent = get_demo_image()
        for i in range(4):
            im = grid[i].imshow(Z, extent=extent, interpolation="nearest")
        plt.colorbar(im, cax = grid.cbar_axes[0])
        grid.cbar_axes[0].colorbar(im)
    
        # This affects all axes as share_all = True.
        grid.axes_llc.set_xticks([-2, 0, 2])
        grid.axes_llc.set_yticks([-2, 0, 2])
    
    
    def demo_grid_with_each_cbar(fig):
        """
        A grid of 2x2 images. Each image has its own colobar.
        """
    
        grid = AxesGrid(F, 133, # similar to subplot(122)
                        nrows_ncols = (2, 2),
                        axes_pad = 0.1,
                        label_mode = "1",
                        share_all = True,
                        cbar_location="top",
                        cbar_mode="each",
                        cbar_size="7%",
                        cbar_pad="2%",
                        )
        Z, extent = get_demo_image()
        for i in range(4):
            im = grid[i].imshow(Z, extent=extent, interpolation="nearest")
            grid.cbar_axes[i].colorbar(im)
    
        # This affects all axes because we set share_all = True.
        grid.axes_llc.set_xticks([-2, 0, 2])
        grid.axes_llc.set_yticks([-2, 0, 2])
    
    
    
    if __name__ == "__main__":
    
        F = plt.figure(1, (5.5, 2.5))
    
        F.subplots_adjust(left=0.05, right=0.98)
    
        demo_simple_grid(F)
        demo_grid_with_single_cbar(F)
        demo_grid_with_each_cbar(F)
    
        plt.draw()
        plt.show()
    
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)