http://www.k-wave.org/forum/topic/adding-additional-sensor-mask Support for the k-Wave MATLAB toolbox en-US Wed, 13 May 2026 00:26:15 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/adding-additional-sensor-mask#post-4482 Mon, 21 Apr 2014 09:15:23 +0000 sheun 4482@http://www.k-wave.org/forum/ <p>It worked like I wished. Thanks for the tip. </p> http://www.k-wave.org/forum/topic/adding-additional-sensor-mask#post-4392 Sat, 29 Mar 2014 09:52:24 +0000 Bradley Treeby 4392@http://www.k-wave.org/forum/ <p>Hi sheun,</p> <p>The easiest way would be to create a binary sensor mask the same size as your computational grid, and then set the central plane to 1's. For example:</p> <pre><code>sensor.mask = zeros(Nx, Ny, Nz); sensor.mask(:, :, focus_distance) = 1;</code></pre> <p>where <code>focus_distance</code> is given in grid points. You can control what parameters are recorded by using <code>sensor.record</code>. For example, to record the time-varying and maximum pressure:</p> <p><code>sensor.record = {&#39;p&#39;, &#39;p_max&#39;};</code></p> <p>If the datasets are too large, you can also control when the sensor starts recording by setting <code>sensor.record_start_index</code>. Let me know if you still can't get it working,</p> <p>Brad. </p> http://www.k-wave.org/forum/topic/adding-additional-sensor-mask#post-4388 Thu, 27 Mar 2014 07:33:23 +0000 sheun 4388@http://www.k-wave.org/forum/ <p>hello,</p> <p>I am doing 3D heterogeneous simulation with linear 16 cell transducer using makeTransducer function. The transducer is placed on the top(1, Ny/2,Nz/2).</p> <p>What I would like to do here is to find beam size as it reaches the focus distance.<br /> I've been trying to add 2D sensor mask at (Nx, Ny, focus distance) and see the pressure distribution and record it over time(if not, the max pressure on that plane), but I've had no luck.</p> <p>Could you please give guidance on how to do this? </p>