http://www.k-wave.org/forum/topic/define-sensors Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 21:36:38 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/define-sensors#post-9056 Wed, 20 Mar 2024 20:21:39 +0000 Bradley Treeby 9056@http://www.k-wave.org/forum/ <p>It looks like you already have a grid based sensor mask, so no need to call cart2grid - just plot the sensor mask directly. </p> http://www.k-wave.org/forum/topic/define-sensors#post-9053 Tue, 19 Mar 2024 09:54:47 +0000 chenming 9053@http://www.k-wave.org/forum/ <p>Hi,<br /> K-wave is a good works, but some details trouble me.I'm having trouble defining my sensors<br /> codes:<br /> ball_magnitude = 10; % [Pa]<br /> ball_x_pos = 38; % [grid points]<br /> ball_y_pos = 32; % [grid points]<br /> ball_z_pos = 32; % [grid points]<br /> ball_radius = 5; % [grid points]<br /> ball_1 = ball_magnitude * makeBall(Nx, Ny, Nz, ball_x_pos, ball_y_pos, ball_z_pos, ball_radius);<br /> source.p0 = ball_1;</p> <p>sensor.mask = zeros(Nx, Ny, Nz);<br /> sensor.mask(22, :, :) = 1;<br /> voxelPlot(double(source.p0|cart2grid(kgrid, sensor.mask)));<br /> But it gave me this answer:<br /> cart2grid: 119 Cartesian points mapped to overlapping grid points </p>