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<p>Hi there</p>
<p>I'm trying to build a GUI. For simplicity on the forum, I've
built a really simple example of what I'm trying to do. How can I
make the "conditional" GUI output work and not have it inside the
calc function? ... or, how would you do it? Thanks.</p>
<p>Best regards, Claus.</p>
<pre style="font-family:Monospaced;font-style:normal;font-size:12.0;"><span style="color:rgb(100,174,100);font-style:italic;">// GUI_EXAMPLE.SCE</span>
<span style="color:rgb(100,174,100);font-style:italic;">//</span>
<span style="color:rgb(100,174,100);font-style:italic;">// Demo of how to build a simple GUI in Scilab.</span>
<span style="color:rgb(100,174,100);font-style:italic;">// Real simple, with two input variables and one output.</span>
<span style="color:rgb(100,174,100);font-style:italic;">// The example uses the basic mechanical example of a mass and a spring as</span>
<span style="color:rgb(100,174,100);font-style:italic;">// input parameters and calculates the resonance frequency of the mechanical</span>
<span style="color:rgb(100,174,100);font-style:italic;">// system.</span>
<span style="color:rgb(100,174,100);font-style:italic;">// Initialize variables</span>
<span style="color:rgb(0,0,0);">m</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// Moving mass </span><span style="color:rgb(100,174,100);font-style:italic;">'</span><span style="color:rgb(100,174,100);font-style:italic;">m</span><span style="color:rgb(100,174,100);font-style:italic;">'</span><span style="color:rgb(100,174,100);font-style:italic;"> (kilogram)</span>
<span style="color:rgb(0,0,0);">k</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// Stiffness, spring constant </span><span style="color:rgb(100,174,100);font-style:italic;">'</span><span style="color:rgb(100,174,100);font-style:italic;">k</span><span style="color:rgb(100,174,100);font-style:italic;">'</span><span style="color:rgb(100,174,100);font-style:italic;"> (Newton per meter)</span>
<span style="color:rgb(0,0,0);">fres</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// Resonance frequency (Hertz)</span>
<span style="color:rgb(0,0,0);">show_result</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(218,112,214);">%f</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(176,24,19);">function</span> <span style="color:rgb(0,0,0);text-decoration:underline;">calc</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(74,85,219);">)</span>
<span style="color:rgb(0,0,0);">m</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(0,0,0);">evstr</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(50,185,185);">get</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">ge_m</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// get content in uicontrol ge_m</span>
<span style="color:rgb(0,0,0);">k</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(0,0,0);">evstr</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(50,185,185);">get</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">ge_k</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// get content in uicontrol ge_k</span>
<span style="color:rgb(0,0,0);">fres</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(50,185,185);">sqrt</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">m</span> <span style="color:rgb(92,92,92);">*</span> <span style="color:rgb(0,0,0);">k</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(100,174,100);font-style:italic;">// putting GUI updates inside the calculation routine is not pretty code.</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Result :</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">10</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">110</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(50,185,185);">string</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">fres</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">100</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">110</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);"> Hz </span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">200</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">110</span> <span style="color:rgb(188,143,143);">30</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(0,0,0);">show_result</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(218,112,214);">%t</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(100,174,100);font-style:italic;">// update global variables</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(0,0,0);">m</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">k</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">fres</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">show_result</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(92,92,92);">=</span><span style="color:rgb(95,158,160);">return</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">m</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">k</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">fres</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">show_result</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(176,24,19);">endfunction</span>
<span style="color:rgb(176,24,19);">function</span> <span style="color:rgb(0,0,0);text-decoration:underline;">goodbye</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(74,85,219);">)</span>
<span style="color:rgb(0,0,0);">close</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">ge</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// Close GUI window</span>
<span style="color:rgb(50,185,185);">printf</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Resulting fres: %f Hertz\n</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(0,0,0);">fres</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(95,158,160);">abort</span> <span style="color:rgb(100,174,100);font-style:italic;">// Print result in console (e.g. for copy/paste), then kill the app</span>
<span style="color:rgb(176,24,19);">endfunction</span>
<span style="color:rgb(0,0,0);">ge</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(0,0,0);">scf</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// GUI Example, Initialize and </span><span style="color:rgb(100,174,100);font-style:italic;">'</span><span style="color:rgb(100,174,100);font-style:italic;">set current figure</span><span style="color:rgb(100,174,100);font-style:italic;">'</span>
<span style="color:rgb(0,0,0);">as</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(0,0,0);">ge</span><span style="color:rgb(92,92,92);">.</span><span style="color:rgb(170,170,170);">axes_size</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// read size of window, as = [width height]</span>
<span style="color:rgb(0,0,0);">ge</span><span style="color:rgb(92,92,92);">.</span><span style="color:rgb(170,170,170);">figure_name</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">GUI Example</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// Change window header</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Moving mass :</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">10</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">35</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">background</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span> <span style="color:rgb(100,174,100);font-style:italic;">// white background</span>
<span style="color:rgb(100,174,100);font-style:italic;">// position properties has four parameters = x,y,width,height</span>
<span style="color:rgb(100,174,100);font-style:italic;">// y-position counts from lower left corner, so we subtract from </span><span style="color:rgb(100,174,100);font-style:italic;">'</span><span style="color:rgb(100,174,100);font-style:italic;">as</span><span style="color:rgb(100,174,100);font-style:italic;">'</span>
<span style="color:rgb(0,0,0);">ge_m</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">edit</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(50,185,185);">string</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">m</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">100</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">35</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);"> kg </span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">200</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">35</span> <span style="color:rgb(188,143,143);">30</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">background</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Stiffness :</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">10</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">60</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">background</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(0,0,0);">ge_k</span> <span style="color:rgb(92,92,92);">=</span> <span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">edit</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(50,185,185);">string</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">k</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">100</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">60</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);"> N/m </span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">200</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">60</span> <span style="color:rgb(188,143,143);">30</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">background</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span> <span style="color:rgb(188,143,143);">1</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">pushbutton</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Calculate</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">10</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">85</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">callback</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">calc</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(100,174,100);font-style:italic;">// How do I make this </span><span style="color:rgb(100,174,100);font-style:italic;">"</span><span style="color:rgb(100,174,100);font-style:italic;">conditional</span><span style="color:rgb(100,174,100);font-style:italic;">"</span><span style="color:rgb(100,174,100);font-style:italic;"> output show up in my GUI?</span>
<span style="color:rgb(160,32,240);">if</span> <span style="color:rgb(0,0,0);">show_result</span> <span style="color:rgb(160,32,240);">then</span> <span style="color:rgb(100,174,100);font-style:italic;">// If </span><span style="color:rgb(100,174,100);font-style:italic;">"</span><span style="color:rgb(100,174,100);font-style:italic;">Calculate</span><span style="color:rgb(100,174,100);font-style:italic;">"</span><span style="color:rgb(100,174,100);font-style:italic;"> button was pushed at least once ...</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Result :</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">10</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">110</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(50,185,185);">string</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(0,0,0);">fres</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">100</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">110</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">text</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);"> Hz </span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">200</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">110</span> <span style="color:rgb(188,143,143);">30</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span>
<span style="color:rgb(160,32,240);">end</span>
<span style="color:rgb(50,185,185);">uicontrol</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">style</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">pushbutton</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">string</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">Exit</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span> <span style="color:rgb(255,170,0);">..</span>
<span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">position</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(74,85,219);">[</span><span style="color:rgb(188,143,143);">10</span> <span style="color:rgb(0,0,0);">as</span><span style="color:rgb(74,85,219);">(</span><span style="color:rgb(188,143,143);">2</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(92,92,92);">-</span><span style="color:rgb(188,143,143);">135</span> <span style="color:rgb(188,143,143);">80</span> <span style="color:rgb(188,143,143);">20</span><span style="color:rgb(74,85,219);">]</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">callback</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(0,0,0);">,</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(188,143,143);">goodbye</span><span style="color:rgb(188,143,143);">"</span><span style="color:rgb(74,85,219);">)</span><span style="color:rgb(0,0,0);">;</span></pre>
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