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Ziya::Gauges::Support::RadialTicks

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_ticks.rb, line 13
13:     def flatten( xml )
14:       i = start_angle   
15:       while( i <= end_angle ) do
16:         angle = deg2rad( i )
17:         hash = { :x1        => (x + Math::sin( angle ) * radius).to_i,
18:                  :y1        => (y - Math::cos( angle ) * radius).to_i,
19:                  :x2        => (x + Math::sin( angle ) * (radius + length)).to_i,
20:                  :y2        => (y - Math::cos( angle ) * (radius + length)).to_i,
21:                  :thickness => thickness,
22:                  :color     => color }
23:         xml.line( hash )
24:         i += (end_angle-start_angle)/(ticks-1)
25:       end
26:     end

secsequence

--- SEC00174

seccomment

--- ""

method_list

--- 
- methods: 
  - visibility: public
    aref: M000067
    name: flatten
    sourcecode: "    <span class=\"ruby-comment cmt\"># File lib/ziya/gauges/support/radial_ticks.rb, line 13</span>\n\
      13:     <span class=\"ruby-keyword kw\">def</span> <span class=\"ruby-identifier\">flatten</span>( <span class=\"ruby-identifier\">xml</span> )\n\
      14:       <span class=\"ruby-identifier\">i</span> = <span class=\"ruby-identifier\">start_angle</span>   \n\
      15:       <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\
      16:         <span class=\"ruby-identifier\">angle</span> = <span class=\"ruby-identifier\">deg2rad</span>( <span class=\"ruby-identifier\">i</span> )\n\
      17:         <span class=\"ruby-identifier\">hash</span> = { <span class=\"ruby-identifier\">:x1</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\
      18:                  <span class=\"ruby-identifier\">:y1</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\
      19:                  <span class=\"ruby-identifier\">:x2</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-operator\">+</span> <span class=\"ruby-identifier\">length</span>)).<span class=\"ruby-identifier\">to_i</span>,\n\
      20:                  <span class=\"ruby-identifier\">:y2</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-operator\">+</span> <span class=\"ruby-identifier\">length</span>)).<span class=\"ruby-identifier\">to_i</span>,\n\
      21:                  <span class=\"ruby-identifier\">:thickness</span> =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">thickness</span>,\n\
      22:                  <span class=\"ruby-identifier\">:color</span>     =<span class=\"ruby-operator\">&gt;</span> <span class=\"ruby-identifier\">color</span> }\n\
      23:         <span class=\"ruby-identifier\">xml</span>.<span class=\"ruby-identifier\">line</span>( <span class=\"ruby-identifier\">hash</span> )\n\
      24:         <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\
      25:       <span class=\"ruby-keyword kw\">end</span>\n\
      26:     <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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