Difference between revisions of "Temperature converter"

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(New page: {{Infobox_general | name = Celcius Fahrenheit converter | image = 150px | Field1a =author | Field1b =Leif Roschier }} == Theory and background == Relation b...)
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Revision as of 19:11, 5 September 2008

Celcius Fahrenheit converter
Ex temp converter.png
author Leif Roschier

Theory and background

Relation between Celcius degrees [math]T_C[/math] and Fahrenheit degrees [math]T_F[/math] of temperature is

[1]
  1. <http://en.wikipedia.org/wiki/Comparison_of_temperature_scales/ref> [math]T_C = \frac{5}{9}(T_F-32)[/math]

    Construction of the nomograph

    Dual scale was constructed by using type 8 singular blocks.

    References

    1. <http://en.wikipedia.org/wiki/Comparison_of_temperature_scales/ref> [math]T_C = \frac{5}{9}(T_F-32)[/math]

      Construction of the nomograph

      Dual scale was constructed by using type 8 singular blocks.

      References

      <references/>

      Generated nomograph

      Celcius Fahrenheit converter
      Ex temp converter.png
      Generated portable document file (pdf): File:Ex temp converter.pdf

      Source code

      """
          ex_temp_convert.py
       
          Celcius-Fahrenheit converter
       
          Copyright (C) 2007-2008  Leif Roschier
       
          This program is free software: you can redistribute it and/or modify
          it under the terms of the GNU General Public License as published by
          the Free Software Foundation, either version 3 of the License, or
          (at your option) any later version.
       
          This program is distributed in the hope that it will be useful,
          but WITHOUT ANY WARRANTY; without even the implied warranty of
          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
          GNU General Public License for more details.
       
          You should have received a copy of the GNU General Public License
          along with this program.  If not, see <http://www.gnu.org/licenses/>.
      """
      from nomographer import *
      F_start=-40.0
      F_stop=90.0
      C_start=-40.0
      C_stop=30.0
       
      def celcius(fahrenheit):
          return (fahrenheit-32.0)/1.8
       
      F_para={
              'tag':'A',
              'u_min':F_start,
              'u_max':F_stop,
              'function':lambda u:celcius(u),
              'title':r'$^\circ$ F',
              'tick_levels':4,
              'tick_text_levels':3,
              'align_func':celcius,
              'title_x_shift':0.5
              }
       
      C_para={
              'tag':'A',
              'u_min':C_start,
              'u_max':C_stop,
              'function':lambda u:u,
              'title':r'$^\circ$ C',
              'tick_levels':5,
              'tick_text_levels':3,
              'scale_type':'linear',
              'tick_side':'left',
              'title_x_shift':-0.5
      }
       
      C_block={
               'block_type':'type_8',
                  'f_params':C_para
               }
      F_block={
               'block_type':'type_8',
                  'f_params':F_para
                  }
       
      main_params={
                    'filename':'ex_temp_converter.pdf',
                    'paper_height':20.0,
                    'paper_width':2.0,
                    'block_params':[C_block,F_block],
                    'transformations':[('scale paper',)]
                    }
      Nomographer(main_params)

    Generated nomograph

    Celcius Fahrenheit converter
    Ex temp converter.png
    Generated portable document file (pdf): File:Ex temp converter.pdf

    Source code

    """
        ex_temp_convert.py
     
        Celcius-Fahrenheit converter
     
        Copyright (C) 2007-2008  Leif Roschier
     
        This program is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 3 of the License, or
        (at your option) any later version.
     
        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.
     
        You should have received a copy of the GNU General Public License
        along with this program.  If not, see <http://www.gnu.org/licenses/>.
    """
    from nomographer import *
    F_start=-40.0
    F_stop=90.0
    C_start=-40.0
    C_stop=30.0
     
    def celcius(fahrenheit):
        return (fahrenheit-32.0)/1.8
     
    F_para={
            'tag':'A',
            'u_min':F_start,
            'u_max':F_stop,
            'function':lambda u:celcius(u),
            'title':r'$^\circ$ F',
            'tick_levels':4,
            'tick_text_levels':3,
            'align_func':celcius,
            'title_x_shift':0.5
            }
     
    C_para={
            'tag':'A',
            'u_min':C_start,
            'u_max':C_stop,
            'function':lambda u:u,
            'title':r'$^\circ$ C',
            'tick_levels':5,
            'tick_text_levels':3,
            'scale_type':'linear',
            'tick_side':'left',
            'title_x_shift':-0.5
    }
     
    C_block={
             'block_type':'type_8',
                'f_params':C_para
             }
    F_block={
             'block_type':'type_8',
                'f_params':F_para
                }
     
    main_params={
                  'filename':'ex_temp_converter.pdf',
                  'paper_height':20.0,
                  'paper_width':2.0,
                  'block_params':[C_block,F_block],
                  'transformations':[('scale paper',)]
                  }
    Nomographer(main_params)