#+title: Blocks in beamer via org
#+author: Eric S Fraga
#+startup: beamer
#+LaTeX_CLASS: beamer
#+LaTeX_CLASS_OPTIONS: [presentation]
#+OPTIONS:   H:5 num:t toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t
#+OPTIONS:   TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:nil

#+BEAMER_FRAME_LEVEL: 2

#+startup: oddonly
#+startup: fninline
#+ BEAMER_HEADER_EXTRA: \usetheme{Madrid}\usecolortheme{default}
#+ latex_header: \usepackage[absolute,overlay]{textpos}\setlength{\TPHorizModule}{1mm}\setlength{\TPVertModule}{1mm}\newcommand{\UCL}{\begin{textblock}{14}(120.0,0.0)\pgfuseimage{ucllogo}\end{textblock}}
#+latex_header: \mode<beamer>{\usetheme{progressbar}}

#+latex_header: \usepackage{tikz}
* Test
*** Nested blocks
    :PROPERTIES:
    :BEAMER_envargs: [t]
    :END:
    Use distillation for separation of two components.
***** The problem                                     :BMCOL:B_ignoreheading:
      :PROPERTIES:
      :BEAMER_col: 0.3
      :BEAMER_env: ignoreheading
      :END:
******* Equilibrium                                            :B_definition:
        :PROPERTIES:
        :BEAMER_env: definition
        :END:
        \( \displaystyle y = \frac{\alpha x} {1 + (\alpha -1) x} \)
******* Goal                                                        :B_block:
        :PROPERTIES:
        :BEAMER_env: block
        :END:
        Minimise energy consumption
***** Distillation                                          :BMCOL:B_example:
      :PROPERTIES:
      :BEAMER_col: 0.6
      :BEAMER_env: example
      :END:
      #+begin_center
      #+attr_latex: width=0.9\textwidth
      [[file:~/s/figures/teaching/introduction/distillation-unit.pdf]]
      #+end_center

      \vfill
***** Approach                                        :BMCOL:B_ignoreheading:
      :PROPERTIES:
      :BEAMER_col: 1.0
      :BEAMER_env: ignoreheading
      :END:

      \vfill

      We will use the @McCabe-Thiele@ method for the initial design.