f="kspaceFirstOrder2D.html">kspaceFirstOrder2D</a></code>. A snapshot of the simulation showing the two rectangular regions is given below.</p>

<img vspace="5" hspace="5" src="images/example_ivp_opposing_corners_sensor_mask_01.png" style="width:560px;height:420px;" alt="">
    
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<h2>Indexing the output data</h2>

<p>When the sensor mask is defined using opposing corners, the output data is always returned as a structure (in the same way as when <code>sensor.record</code> is defined a