Fixed: Structure outside of the simulation domain is not shown correctly in 3D chart

Fixed: 3D chart is incorrect when toggling between display modes

Improved the layout of the expression editor

Organized the videos into Tutorials and Examples

Improved the source and monitor visualization in 3D chart

Fixed: Data columns are swapped in the downloaded FieldMonitor data

Fixed: STL imported structure does not show up in 3D chart

Fixed: Cannot open Tidy3D web UI when the Safari version is less than 14.1

GUI supports FullyAnisotropicMedium

GUI supports CustomCurrentSource

GUI supports spatially varying dispersive materials, including CustomPoleResidue, CustomSellmeier, CustomLorentz, CustomDebye,

CustomDrude, and CustomAnisotropicMedium

The private material library now supports adding all medium types as well as uploading tabulated data

Added interpolate in UniformCurrentSource and PointDipole

Added direction in ModeSolverMonitor

GUI supports gain in relevant medium types by adding allow_gain field

User can now estimate monitor data size before running a simulation

An automatic email is sent to user when their simulation diverges to help user troubleshoot

Added real-time log for mode solver

Added GUI tutorial videos and the links to them at the corresponding windows

A status icon is added to each object in the editor panel

Sweep tasks now run automatically after validation is successfully

Support of infinite rotation and zoom in 3D chart

Added axis info to data points for plots in Post-Run Result

Increased the web UI loading speed for new users

Increased the speed of validation

Updated help center content and added links about importing geometry and anisotropic medium

More intuitive messages are shown in Tidy3D Notebook when the kernel is busy

Simplified the "New Simulation" creation workflow

Optimized the default 3D chart display mode of structure, source, and monitor

Improved the readability of the timestamps in real-time log

The progress window now displays a one-line rolling real-time log message while the simulation runs

Fixed: 3D chart configuration and visibility setting reset unexpected

Fixed: Tidy3D Notebook missing jax library when importing the Adjoint plugin

Fixed: Error message about browser support webGL

Fixed: Estimate cost does not reflect the most up-to-date changes

Fixed: 3D chart visualization cropped by boundary

Fixed: Some links in the Tidy3D Notebook examples are not accessible

Fixed: Unexpected geometry when sidewall_angle is not zero

Improved custom source plot layout

Improved grid computation speed for larger simulations

Improved the message in the monitor window regarding flux and Poynting vector computation

Improved the y-label of the plot in Post-Run Results to better represent the quantity being plotted

Fixed: Permission error when opening examples from the Notebook Launcher page

Fixed: Unable to re-upload STL file

Fixed: Notebook cursor uncontrolled movement

GUI supports TriangleMesh structure type and 3D CAD file (STL) import

GUI supports CustomMedium and CustomFieldSource

Better support for self-intersecting polygons in GDS import using ComplexPolySlab

2D chart now includes a permittivity plot

Poynting vector plot is added to Post-Run Results

Field monitors now include flux plots in Post-Run Results

Multiple datasets and expressions can now be plotted in Post-Run Results

User can now abort a running simulation of FDTD, mode solver, or sweep

Real-time log messages are displayed in the progress window

Upgraded GUI to support Tidy3D version 2.3.0

Added default values when a structure is added

Mode solver tasks created by Python client are now displayed in web UI

3D chart configuration is kept unchanged after edits

Support of using parameters in monitors' "number of points"

Support of using parameters in list-type variables

The notebook server will stop after a certain period of inactivity

Improved the colormap for E in FieldTimeMonitor

Improved the UI of the variables in the expression editor

Rearranged the layout of the Account page

Improved the UI of the "Getting Started" window

Fixed: Incorrect source polarization representation

Fixed: Structure overlay showing incorrect structure

Fixed: The "Refer" window will pop up briefly and disappear after clicking 'TRY IT NOW'

Fixed: Wavelength incorrectly written to freq in json

Fixed: Bug when switching between wavelength and frequency

Fixed: 2D chart in GUI shows different structures than in Python

Fixed: The source plot has duplicate wavelength/frequency selection

Fixed: The color of geometry is different on one side from the other

Fixed: Duplicated layers displayed in imported GDS

Fixed: Incorrect "help" link in Script Object

Fixed: 3D model export should only export structures

Fixed: Sweep result is unresponsive for a specific task

Fixed: All plots have the same color scale range

Fixed: Color scale does not work for negative value

Fixed: Diffraction monitor post run x-axis label is incorrect for 1D data

Allow user to set FlexCredit limit for a simulation

User can export transaction history from the Account page

Added payment link to the FlexCredit purchasing window

Upgraded GUI to support Tidy3D version 2.2.2

User can select to highlight sources and monitors in 3D and 2D charts

Support editing user name in Account page

Advanced post-run analysis in GUI supporting multiple datasets and expression

Support adjusting color scale in post-run results

Added ruler to 3D chart

Improved API key instructions

Improved the layout of transaction history page

Improved the layout of transaction history page

Improved the “New Folder” behavior in folder listing page

Improved the visibility of the “Support” button

Support expression in custom input box

Improved the real-time simulation progress updates

Preserved the settings of scripts and variables Sweep’s subtasks

Fixed: Exported STL files have additional arrows

Fixed: Source time plots' y axis does not update with amplitude

Fixed: Long blank screen when switching from another tab to the Notebook tab

Set default 3D chart view based on simulation domain

Improved the Getting Started tab for Python interface

Improved the My Plan page layout

Crop sources and monitors by simulation boundary in 3D chart

Updated the help center links in editor windows

Clicking an error message will open up the corresponding editing window

Fixed: Incorrect “submit time” shown for mode solver

Tidy3D Notebook: A cloud-based platform for writing and executing Python code

Referral program with FlexCredits reward and extension of expiration

Support Total-Field Scattered-Field (TFSF) source in GUI

Support dispersive AnisotropicMedium in GUI

Added the simulation workbench wizard for new users

Support plotting structures outside the simulation domain

Added “Decibel (dB)” in ModeMonitor post-run results

Added a library of commonly used geometries based on Script Object

Improved the display of error and warning messages

Improved the performance of task searching

Enhanced the visibility of the overlay structure in post-run results

Use cyclic colormap for phase plots in post-run results

Fixed: 3D chart issue when cylinder length is infinity

Fixed: Cylinder orientation does not change with the axis

Fixed: Bug of the input fields after new version release

Upgraded GUI to support v2.1.0

Provided .obj, or .stl file formats to download in 3D charts

Added help info for ‘Add Structures' and 'mode specification’ for modesolver

Display references in each Parameter and allow user clicking to jump to the corresponding window

Added boundary layer to 2D chart

Improved the warning msg for the generation of new API key

Improved the UI for 'my plan' tab, especially for Education License and Professional License

Updated Copyright for Tidy3d web UI

Improved video loading speed in 'Getting started'

Made the getting started window pop up by default, add “Do not show this again” check box

Improved the user experience to create new version, make it more conveniently

Improved the UI for validation status and error warning message display

Optimized fitter status error display

Improved the UI for the ‘Wavelength' and 'Frequencies’ input for monitor types

Fixed: Medium2D ss and tt should not allow Medium2D type

Fixed: error when apply for education license

Included mode solver to count total tasks and monthly tasks

Improved the UI for the Advanced section

Combined expression and number in Parameters

Show the variable value beside the variable name in the tree to be more user friendly

Substituted X3D with threejs for 3D chart

Allow to search folder/tasks with case insensitive

Reduced the ModeSolver queue time.

Provided hdf5 data download for ModeSolver in GUI.

Added Storage and Billed Compute info in ModeSolver task detail page.

Made the '+' button always visible for adding structures, sources, monitors and scripts.

Supported the deletion of the sweep tasks.

Improved the list type data input method.

Allowed user to create new variable when using an undefined variable.

Fixed: Public shared GUI example requires log in

Fixed: Duplicated layers displayed in import gds

Fixed: GDS file not imported correctly

Fixed: Parameter sweep not working for a specific task

Fixed: API in downloaded config file is different from that shown in "Current API key"

Fixed: BlochBoundary input method gets incorrectly updated to "from source" for Python and json uploaded tasks

Fixed: Show grid doesn't show anything when the grid is too fine

Supported loading geometries from GDS file in GUI into GeometryGroup structure.

Supported secure sign-in with multi-factor authentication (MFA).

Reduced the ModeSolver queue time.

Provided hdf5 data download for ModeSolver in GUI.

Added Storage and Billed Compute info in ModeSolver task detail page.

Made the '+' button always visible for adding structures, sources, monitors and scripts.

Supported the deletion of the sweep tasks.

Improved the list type data input method.

Allowed user to create new variable when using an undefined variable.

Fixed: When sidewall_angle is not zero, the structure is incorrect.

Fixed: The ModeSolver is missing in transaction history.

Added Python installation and authentication tutorial video to Getting Started.

Used monospace font for script editor of script object.

Fixed: Variables are not conserved after upgrading to a newer version.

Fixed: FieldMonitor result is not correctly displayed when switching sweep tasks.

Supported users to sign in with their Apple IDs.

Upgraded GUI to support Tidy3D version 2.0.3.

Added ModeSolver in GUI.

Improve the performance of Adjoint optimization by reducing data transfer.

Improved the 'Getting Started' button consistency between the tabs.

Fixed: Sweep task and data not visible when shared.

Fixed: ModeSolver is missing after ‘edit’ / 'duplicate'/ 'save as'.

Fixed: The symmetry status in 3D chart is not shown correctly.

Fixed: Fitting plot too small.

Fixed: Validation failed unexpectedly.

Allow users to submit support request directly through a form submission.

Upgraded GUI to support Tidy3D version 2.0.

Fixed: Typo in API Key instructions.

Fixed: Duplicated notifications when new community users log in for the first time.

Fixed: Edge Coupler example doesn't open.

Fixed: Warning messages don't show properly in GUI.

Fixed: json uploaded doesn't display content properly due to Infinity string issue.

Supported users to sign in with their Google accounts.

Supported self-registration and complimentary Community Plan.

Supported application of Education Plan.

Added 'My Plan' in account page to display multiple plans with user’s current plan highlighted.

Added 'My Profile' in account page to display user profile.

Upgraded GUI to support Tidy3D version 1.10.0.

Added 'Getting Started' onboarding instructions when users login for the first time.

Added 'API Key' instruction for Python authentication.

Added default value when adding a sweep parameter.

Added 'Magnitude (abs)' and 'Intensity (abs^2)' for FieldTimeMonitor.

Added Example Library in the simulation workbench.

Supported more math operators in expression editor.

Allowed calling medium in script by "param.medium_name".

Added description of how to use "param." in GUI script.

Automatically rerun a script if a parameter (or medium) it uses is updated

Updated the help center to include latest features

Renamed "SIMULATION" in the left sidebar to "STUDIES"

Moved the task status display to the left sidebar

Moved the validation status display beside the Run button

Improved the error message when user run out of credits

Improved the loading speed of the account page

Improved the material info display

Display variable value under sweep in Post-Run Analysis

Improved for "Add Simulation" window

Renamed "FlexUnit" to "FlexCredit"

Updated default GUI script object content

Improved the mode effective index and mode amplitude visualization

Resized expression editor

Improved the source_time plot

Fixed: Wrong status returned after user saved the task

Fixed: Script errors unexpectedly

Fixed: List-type variable errors using "Custom" input method

Fixed: Error when switching medium input method

Fixed: source_time plot should be allowed if all fields of source_time are filled

Fixed: Symmetry in simulation.json not showing up in log

Fixed: ModeMonitor post-run showing same data for different value selection

Remember plot setting when switching data selection in post-run

Fixed: Script editing issue in Safari

Fixed: Script errors when it should run properly

Fixed: Variable can not be deleted

Fixed: Sweep missing when duplicated

Added hint for non-clickable item in simulation editor

Auto-expanded a node when "add" (+) button is clicked

Merged "Background Medium" with "Simulation Domain"

Improved material plotting

Provided explicit guide to add or edit variable in expression editor variable section

Added a copy button in expression editor

Include name and abbreviation in Material library search box

Show tooltip with instruction to edit in View Only Mode

Improved the progress bar for running status

Fixed: Shared task can not be opened

Fixed: When rerunning a script object, monitors created by the previous script didn't get deleted

Fixed: Polyslab vertices: “Enter” leads to deletion of content

Added parameter sweep function

It allows adding multiple sweeps, each having a baseline simulation

Sweep parameter can be selected from user defined global variables

Allow two types of sweep (ways of combining variables): permute / parallel

All child tasks (name, variables, status, task id) in the Task Details tab

Added 'Generate API Key' function in Account page

Added the ability to highlight this object in the editor tree in the left sidebar when selected in 3D/2D chart

Improved the reminder message when user’s credit is expired or insufficient.

Auto-scroll when script error

Changed 3D default view angle

Updated the colormap of "Power" plot in FieldProjection monitors

Improved the download data icon for Post-Run result

Changed “PARAMETERS” to “CONFIGURATION” to avoid confusion

Fixed: Bug switching from Ex to E in post-run

Fixed: Editing panel too narrow for sources and monitor if user dragged the simulation tree

Added GUI Python script linked with objects

Simulation Editor tree added an new entry “Script Objects”

Added the script editor support Python script editing.

Added the ability to insert the objects created by scripts to corresponding location in simulation.json

Added the ability to reorder structure

Improved the switch expression in GUI , make it read-only

Added the constraints to input 'Infinity' in PolySlab

Improved overlay structure on post run

Linked normalize_index to source

Fixed: Color of the Symmetry Is Not Consistent

Fixed: edits not updated in referenced fields

Fixed: Item size uploaded exceed max allowed in dynamodb for large simulation files

Fixed: Extra Field Written to Json

Allow users to redeem a valid FlexUnit code in user account page

Integrated "Continue with Google" into Tidy3D login page, user can login with google account

Provided the ability to view the medium detail info once user set the medium in Override structure, Background Medium and Structure panel.

Provided the ability for user to easily bookmark a public project and view it in their own account

Added ‘Examples' and ‘Bookmarks’ folder under folder page for all users.

Improved the k value when the conductivity = 0 when editing Medium

Merge duplicates to display minimal information (medium used in simulation) to reduce use

Improved the list datatype fields input for Monitors

Fixed: GUI 3D Display Incorrect

Fixed: Overlay with structure doesn't look correct

Fixed: Duplicated background medium is created when selecting from public library

Fixed: Create New Medium in Structure doesn't work (view only)

Only (GaussianBeam, ModeSource or PlaneWave) source can be selected in the source dropdown list

If the source has been linked to blochboundary, show warning msg when trying to disable/delete the source or change the source type

Fixed: bug about BlochBoundary not updated

Upgrade GUI to support schema v1.8.3

Updated the wording of version from 'Current' to 'Default'

Improved the green color in GUI

Technical upgrade: Check the validity of id token before sending any billing requests, refresh id token if it's expired

Added pre-validation message info into the validation result shown in GUI

Added warning message info into the validation result shown in GUI

Added the ability to filter out "daily storage fee" transactions from Billing history by default

Added a "My Expenses" tab to user account (/account) page

Added a New min, max Option for Source Time Definition, updated the plot of the source_time

Supported direct expression input in the fields of number datatype in simulation editor

Improved the user interaction for the mediums from Material Library; Improved the naming rules for medium; Improved the user interaction to expression editor; Added the ability to remind user to remove associations first (variable being used by other fields)

Fixed: object cannot be deleted when disabled

Fixed: failure to delete large number of tasks and misleading message

GUI upgraded to support Tidy3D v1.8.2

Fixed: background medium duplicated on reopen

Fixed: Visibility hide/show icon doesn't work on certain items

GUI upgraded to support Tidy3D v1.8.1, including the following updates Material Fitter improvement, Improved Mode tracking in ModeSpec, Field Projection Monitors, Cylinder support sidewall_angle, PolySlab support x,y axis and reference plane, Broadband ModeSource and GaussianBeam, Added DiffractionMonitor, Added post-run result for DiffractionMonitor and Field Projection Monitors, Improved GridSpec editing

Expanded material library and improved documentation

Allow enable/disable for monitors and sources

Added |E|^2 in Post-Run Results

Updated the value input for the bloch_vec

Added error message if user input "Infinity" in bounds

Improved reference handling for variable reference - name change

Fill the cross-section in 3D chart geometry intersecting simulation bounds

Fixed: FieldProjectionAngleMonitor doesn't allow value 0 in angles

Fixed: Issues on list variable number of points

Fixed: Only one digit is displayed in certain places

Fixed: Point Dipole Source Showing Two Arrows

Remember input mode for medium

Fixed: Bug about unit switching in editor

Fixed: Couldn't change n in Medium

Fixed: Bug about number rounding and scientific notation conversion in editor

Fixed: Error when switch between list and string variable type

Fixed: 2D chart displayed incorrectly

Allow enable/disable structures

2D chart added option to show/hide sources/monitors

Overlay structure on Post-Run field plots

Added support to input k in Medium

Improve reference handling in GUI

Improvement on boundary editing

Keep scientific notation in editor

Recalculate Bloch vector if relevant settings are updated

round number for display

Source plot improvement

2D chart add symbol for in and out of plane source polarization and propagation direction arrows

Improved 2D chart pan operation

Refined the display for PML/StablePML/Absorber editing panel

Rearrange layout of Structure panel

Fixed: Clicking a task in search page leads to 404

Fixed: The run_time is not displayed correctly during typing

Fixed: Typo in background medium

Fixed: Visibility tree node level issue

Added "Estimate" button under "Run" button, allow user to estimate FlexUnit cost before clicking Run

Added a new column "FlexUnit" in Task page

Pop over Edit to guide user to use this button

Allow user to save expression as a new variable during editing

Expanded color palette for materials

Added ruler in 2D chart

Rearranged "Medium" as parameter

Added default values for simulation domain and run time

Changed 2D simulation visualization from 3D view to 2D view

Simplified list input method

Redesigned and increased the visual transition to Task Success

Show time steps in progress bar

Set the grid override structure’s default visibility to false

Added constraints on list type variable

Improved the expression "fx" label

Improved the material library plotting with missing range

Simplified the "Saved" status in workbench title bar

Simplified and grouped related input fields with visual cue

Renamed duplicated task with _Copy and a number

Improved 1D simulation visualization

Fixed: Variables disappeared after renaming the simulation

Fixed: Source arrow incorrect in 3d/2d chart

Allow user to share tasks in any status

Added structure transparency in 3D/2D chart

Improved the pop over under version label after creating new version

Improved the version dropdown, allow to click the entire row to switch versions

Improvements for variables input and UI

Allow user to delete parent task in version listing page

Fixed: shutoff=0 in Editor but 0.00001 in json

Fixed: ‘Save as’ doesn't work in public task

User can now rerun a simulation and retrieve its full version history. After a simulation finishes running, user can click “Edit” button to create a new version, edit the simulation, and rerun. The history of all versions of the simulation can be found through the dropdown list in the title bar or under the “Task Details” - “History” tab.

User can now declare variables that can be used across different input fields in the simulation editor. Expressions consisting of variables and simple math operators are also supported.

The simulation cost of all simulations in a folder can be retrieved through the “Get Info” button in the right-click menu of this folder.

User can now archive all simulations in a folder by clicking the “Archive” button in the right-click menu of this folder.

Monitor data can be downloaded in .csv format in the Post-Run Result page.

User can now visualize the source time signal and spectrum.

User can upgrade a simulation of an older version to the latest supported version of the GUI simulation editor.

Grid can be plotted on top of the structures in the 2D chart.

Medium can be defined through index in addition to permittivity.

Geometries of Box and Cylinder can be defined through boundary (min+max) in addition to center+size.

Improve Post-Run Result page layout to display simulation editor on the left sidebar for convenient revisit of the monitor setting.

Open up the progress window when entering a task which is currently running.

Display the action menu when multiple items are selected in the folder system.

Explicitly label the tasks that have been shared and provide filter function.

Support downloading “Simulation.json” for tasks in draft status.

Allow drag to adjust the width of each column in the folder system.

Increase the upper limit of number of tasks which can be deleted in batch.

Plot the propagation and polarization directions of sources in 3D chart.

Provide the “Field decay” info in the task progress window.

Support equal axis aspect ratio plotting in Post-Run Result.

Support opening “tidy3d.log” in GUI viewer directly.

Improve Grid Override user experience by visualizing the grid override region in 3D chart, and allowing user to set override geometry from existing structures.

Improve the BlochBoundary boundary editing experience.

Improve PML/StablePML/Absorber boundary editing experience.

Keep the same fields unchanged when switching the types of Source or Monitor.

Show fitting progress in Material Fitter.

Optimize performance of Tidy3D Web Client initialization.

Improve the colormap for magnitude and intensity field plots in Post-Run Result.

Improve the performance of user login: now it should take <2 seconds to login.

Fixed: added missing labels for B and C coefficients in material model fields.

Fixed: GUI rendering issue of Gaussian source.

Fixed: dispersive model pop up warning message even though no editing is made.

Fixed: object re-arranged but 2D chart not updated correctly.

Fixed: FluxMonitor fields update only after closing the window.

Fixed: PointDipole source disappear if unhide the Near2Far monitor.

Fixed: 2D chart reset zoom after editing a parameter in simulation editor.

Fixed: the reset issue when try to edit the BlochBoundary.

Fixed: 2D chart not including PolySlab dilation.

Fixed: switch from 2D chart to 3D chart when editing any parameters.

Fixed: Post-Run Result missing axis label.

GUI now supports Tidy3D version 1.6.3, including the following new features: FluxMonitor and FluxTimeMonitor with 3D box geometries computing flux going out of all box surfaces (or with exclusion). A new simulation parameter "normalize_index." ModeFieldMonitor is changed to ModeSolverMonitor which includes additional effective index data. Editing support for Near2Far monitors (Post-Run Result for Near2Far monitors is coming soon)

The intensity and absolute values are added to field plots in Post-Run Result

Use can specify source-time using central wavelength in addition to central frequency

Material Fitter now plots data immediately after file upload

Sources and monitors are displayed by default in 3D chart

Help center documentation now supports full-text search

User can drag to reorder the structures in the override_structures list

“Solver Duration” is now displayed in task progress panel

Added confirmation to "Delete" to prevent accidental deletion

Improved BlochBoundary editing

Return to the previous location in Folder system when exiting from Editor

Improved version message when user upload higher version json than the version that UI can support

Re-adjusted Parameter list order

Improved responsiveness by scrolling to reveal added fields in editor

Fixed: Grid override structure couldn't add geometries into GeometryGroup

Fixed: 2D ring resonator structure color mismatch

Client Administrator can now view tasks of other users of the same organization in the "Folders" page

Added "User Name" to transaction history in the "Admin" page of Client Administrator

Search result now displays the owner information of a task

User can now drag to adjust width of the side panels inside the GUI editor

User can now duplicate a task inside the simulation editor

Tidy3D user can save a shared task to their own account

Provided "Infinity" for eligible fields in the drop-down menu in the simulation editor

User can now drag to reorder items in the simulation editor's left sidebar

Press ESC to unselect all tasks in the folder page

Improved the speed performance of Post-Run Result visualization

Removed redundant information in the sidebar of Post-Run Result

User can now hide the progress bar by clicking outside of the window

Simplified the input format of complex number

Fixed: Post-Run Result vertical axes labels were missing

Fixed: PoleResidue model's coefficient labels were flipped in GUI

Fixed: 3D chart cropped front surface when structure is very large

Fixed: 2D chart didn't plot source and monitor correctly

Fixed: 3D chart reset navigation setting after editing

Tidy3D users can now publicize their tasks using the "Share" functionality. Anyone with the public link of a task can view the simulation setup and results without logging into a Tidy3D account

Improved the display of long task names in Task Details tab

A status monitor allows users to track real-time processing of a submitted task.

3D visualization now supports exporting 3D model in GLB format.

FieldTimeMonitor post-run visualization now supports downloading movie as GIF.

The initialization performance of simulation editor has been improved.

A back button is now available for users to go back to previously visited pages in Help Center.

An admin page is now available for client administrator to manage users and browse complete transaction history of all users.

Miscellaneous UI/UX improvements have been applied to the simulation editor and across the site making it more intuitive and more intelligent.

Fixed: Users can not zoom the y-axis when using the “data zoom” function inside the post-run heatmap by mouse dragging, mouse move, mouse scroll or finger touch.