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Ziya::Gauges::Support::RadialNumbers

Public Instance Methods

flatten( xml ) click to toggle source

overrides flatten to generate a series of radial tick marks 

    # File lib/ziya/gauges/support/radial_numbers.rb, line 16
16:     def flatten( xml )
17:       number = start_num
18:       i      = start_angle
19:       while( i <= end_angle ) do
20:         angle = deg2rad( i )
21:         hash = { :x         => (x + Math::sin( angle ) * radius).to_i,
22:                  :y         => (y - Math::cos( angle ) * radius).to_i,
23:                  :width     => width ||  20,
24:                  :height    => height || 20,
25:                  :font      => font || "Arial",
26:                  :size      => size || 10,
27:                  :bold      => bold || true,
28:                  :alpha     => alpha,                 
29:                  :rotation  => i, 
30:                  :align     => align || "left",
31:                  :color     => color }
32:         xml.text( hash ) do
33:           xml.text! number.to_s
34:         end
35:         i      += (end_angle-start_angle)/(ticks-1)
36:         number += (end_num-start_num)/(ticks-1)
37:       end
38:     end

secsequence

--- SEC00172

seccomment

--- ""

method_list

--- 
- methods: 
  - visibility: public
    aref: M000066
    name: flatten
    sourcecode: "    <span class=\"ruby-comment cmt\"># File lib/ziya/gauges/support/radial_numbers.rb, line 16</span>\n\
      16:     <span class=\"ruby-keyword kw\">def</span> <span class=\"ruby-identifier\">flatten</span>( <span class=\"ruby-identifier\">xml</span> )\n\
      17:       <span class=\"ruby-identifier\">number</span> = <span class=\"ruby-identifier\">start_num</span>\n\
      18:       <span class=\"ruby-identifier\">i</span>      = <span class=\"ruby-identifier\">start_angle</span>\n\
      19:       <span class=\"ruby-keyword kw\">while</span>( <span class=\"ruby-identifier\">i</span> <span class=\"ruby-operator\">&lt;=</span> <span class=\"ruby-identifier\">end_angle</span> ) <span class=\"ruby-keyword kw\">do</span>\n\
      20:         <span class=\"ruby-identifier\">angle</span> = <span class=\"ruby-identifier\">deg2rad</span>( <span class=\"ruby-identifier\">i</span> )\n\
      21:         <span class=\"ruby-identifier\">hash</span> = { <span class=\"ruby-identifier\">:x</span>         =<span class=\"ruby-operator\">&gt;</span> (<span class=\"ruby-identifier\">x</span> <span class=\"ruby-operator\">+</span> <span class=\"ruby-constant\">Math</span><span class=\"ruby-operator\">::</span><span class=\"ruby-identifier\">sin</span>( <span class=\"ruby-identifier\">angle</span> ) <span class=\"ruby-operator\">*</span> <span class=\"ruby-identifier\">radius</span>).<span class=\"ruby-identifier\">to_i</span>,\n\
      22:                  <span class=\"ruby-identifier\">:y</span>         =<span class=\"ruby-operator\">&gt;</span> (<span class=\"ruby-identifier\">y</span> <span class=\"ruby-operator\">-</span> <span class=\"ruby-constant\">Math</span><span class=\"ruby-operator\">::</span><span class=\"ruby-identifier\">cos</span>( <span class=\"ruby-identifier\">angle</span> ) <span class=\"ruby-operator\">*</span> <span class=\"ruby-identifier\">radius</span>).<span class=\"ruby-identifier\">to_i</span>,\n\
      23:                  <span class=\"ruby-identifier\">:width</span>     =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">width</span> <span class=\"ruby-operator\">||</span>  <span class=\"ruby-value\">20</span>,\n\
      24:                  <span class=\"ruby-identifier\">:height</span>    =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">height</span> <span class=\"ruby-operator\">||</span> <span class=\"ruby-value\">20</span>,\n\
      25:                  <span class=\"ruby-identifier\">:font</span>      =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">font</span> <span class=\"ruby-operator\">||</span> <span class=\"ruby-value str\">&quot;Arial&quot;</span>,\n\
      26:                  <span class=\"ruby-identifier\">:size</span>      =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">size</span> <span class=\"ruby-operator\">||</span> <span class=\"ruby-value\">10</span>,\n\
      27:                  <span class=\"ruby-identifier\">:bold</span>      =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">bold</span> <span class=\"ruby-operator\">||</span> <span class=\"ruby-keyword kw\">true</span>,\n\
      28:                  <span class=\"ruby-identifier\">:alpha</span>     =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">alpha</span>,                 \n\
      29:                  <span class=\"ruby-identifier\">:rotation</span>  =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">i</span>, \n\
      30:                  <span class=\"ruby-identifier\">:align</span>     =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">align</span> <span class=\"ruby-operator\">||</span> <span class=\"ruby-value str\">&quot;left&quot;</span>,\n\
      31:                  <span class=\"ruby-identifier\">:color</span>     =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">color</span> }\n\
      32:         <span class=\"ruby-identifier\">xml</span>.<span class=\"ruby-identifier\">text</span>( <span class=\"ruby-identifier\">hash</span> ) <span class=\"ruby-keyword kw\">do</span>\n\
      33:           <span class=\"ruby-identifier\">xml</span>.<span class=\"ruby-identifier\">text!</span> <span class=\"ruby-identifier\">number</span>.<span class=\"ruby-identifier\">to_s</span>\n\
      34:         <span class=\"ruby-keyword kw\">end</span>\n\
      35:         <span class=\"ruby-identifier\">i</span>      <span class=\"ruby-operator\">+=</span> (<span class=\"ruby-identifier\">end_angle</span><span class=\"ruby-operator\">-</span><span class=\"ruby-identifier\">start_angle</span>)<span class=\"ruby-operator\">/</span>(<span class=\"ruby-identifier\">ticks</span><span class=\"ruby-operator\">-</span><span class=\"ruby-value\">1</span>)\n\
      36:         <span class=\"ruby-identifier\">number</span> <span class=\"ruby-operator\">+=</span> (<span class=\"ruby-identifier\">end_num</span><span class=\"ruby-operator\">-</span><span class=\"ruby-identifier\">start_num</span>)<span class=\"ruby-operator\">/</span>(<span class=\"ruby-identifier\">ticks</span><span class=\"ruby-operator\">-</span><span class=\"ruby-value\">1</span>)\n\
      37:       <span class=\"ruby-keyword kw\">end</span>\n\
      38:     <span class=\"ruby-keyword kw\">end</span>"
    m_desc: |-
      <p>
      overrides flatten to generate a series of radial tick marks
      </p>
    params: ( xml )
  category: Instance
  type: Public

sectitle

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