![]() I also noticed that the plugin dt is identical to the one indicated by the Lumerical interface, in the "FDTD" node, under "Mesh". the true time step becomes even smaller compared to the plugin dt). The ratio changes depending on the choice of mesh, with the ratio being smaller for finer meshes (i.e. I have consistently found that the actual time step (dt_Lum) is smaller than the one passed to the plugin method via the "double dt" variable. This is then compared to the time step given to the code through the “initialize” method, and I find a ratio dt_code/dt_Lum =/= 1. Post-calculation, the true time step is then estimated as dt_Lum = t_total/N_total. Appending / N to such commands will prevent the included file’s contents from being echoed at the start of the output file. This causes the entire file to be placed at the current location in the input stream. I store both the number of steps, and the dt variable in the plugin code. The contents of an external file may be included within a Gaussian 16 input file using the following syntax: filename. The calculate method should presumably be called once per time step for each electric field component, which is what is stored in the storage variables. In my minimal example, the plugin "material" is used to keep track of how many times the “Calculate” method is used through a variable "step_counter". There is a monitor inside the material that keeps track of the storage values from the plugin material. The material is surrounded by free space and PMLs, without any sources. In the minimal Lumerical file, a simple cuboid (3D rectangle) is assigned the plugin material. I have made a minimal plugin code with a minimal Lumerical example showcasing the problem. I have not tried reproducing the issue on other versions.Īlthough I cannot share files here, I will try to outline the issue. Is there an override for the time step dt somewhere? Is there another way to access the true time step through the plugin? This is a bit confusing, as the examples on the website consistently use this dt variable as the true time step used in the simulation. If that doesn’t work, you can use the “Extract Data” option to recover data from the file or you can try to recover the Excel file.We are trying to develop a custom material for FDTD using the material Plugin framework, and based on some tests, it seems the time step returned in the “initialize” method (.cpp file, variable double dt) does not correspond to the true time step used in the simulation. If the files are corrupted, you will be asked whether you want to repair the file or just extract data.At the bottom of the “Open” dialog box, click the small arrow next to the “Open button”, then choose “Open and Repair” from the context menu.If the file still won’t open, click “Browse” and search for the file.Double-click the file you want to open.Alternatively, you can use the Excel keyboard shortcut Ctrl + O. Select the File tab and click on “Open” to see a list of recently opened files.When this happens, the file is often so damaged that you can no longer open it with Excel by double-clicking the file in the File Explorer. prior to t 0 s or following TCR engagement for t 30 s, t 120 s, t 300 s, and t 600 s), scatter plots of logtransformed and iRTnormalized intensities for all pairs of technical and biological replicates are represented along with the corresponding Pearson correlation coefficients ( R ). This is especially common if Excel crashes while saving the file, or if a problematic macro prevents the file from being saved correctly. ![]() The most common reason for this problem: Excel won’t open a file because the file is corrupted. ![]()
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