* refactor reducer to no longer support hover state and hold many labels
* refactor to generate centroidCoordinates for all values of a category
* create hash for function and memoize export
* create button to display all labels for a category
* clear state
* create label for each thing
* calculate on each value
* change to in place modification of map
* switch to for loop with iterator instead of forEach
* use map from centroidLabel instead of creating copy
* adapt for map
* utilize tarrays
* begin documentation
* disable centroids if in zoom mode
* clean up
* persist uncalc coordinates
* document
* clean up and document
* cleanup and document
* fix
* fix undefined labels and document changes
* fix first element skip
* fix conditional recalc
* rename centroidLabel -> centroidLabels
* break out dilation on hover to new reducer
* numerous styling changes for readability
* change centroid icon
* remove colorAccessor from parameters
* recalc centroids on world change
* make label toggle undoable
* remove unused import
* highlight labels on hover
* remove special characters from svg id
* lighten backdrop
* only generate new centroids if they pre-exist
* fix issue with spaces in catagorical value name
* add label buttons to menubar
* change reducer to use colorAccessor and have single toggle
* fix check to see if svg should be rendered
* move svg overlays onto a single svg layer
* dilate on label hover
* remove logs
* allow centroid to update along side regl renders
* allow actions to pass through svg if in zoom mode
* remove artifact from circle
* remove comment
* remove disabling of centroid button
* fix conditional map to screen
* make styling label conditions stricter
* prettier
* refactor onto master
* refactor computePointFlags() to use pointDilation store
* notify when viewport changes
* move svg attributes out of lasso setup and prevent rerenders/writes
* begin playing with transform matrix
* first solution for camera interaction
* create transform using nested groups
* semi-working method using nested groups with transforms
* inversely scale text
* properly do final transform
* cleanup dead / test code
* reinstate original functionality
* breakout centroid labels labels into separate component
* default toggle on for testing
* separate lasso and centroid layers
* remove unnecessary attributes, working hover
* dilation on label hover
* fix dilation on scatterplot
* add dilation on label hover
* break overlay into separate component
* make overlay agnostic to children
* move label mouse actions to centroidlabels component, add overlay state
* remove lasso on switch to camera
* disallow user selection
* fix reducer
* fix subset with continuous color error
* reset labels on color by continuous
* revert centroids on by default
* refactor for nested restructuring
* remove update checking
* remove unused method
* readd deleted hover delay
* remove old centroid setup
* remove centroid from undoable
* cleanup dead code
* remove dead code
* rollback unnecessary changes
* begin adding annotation functionality
* add annotation functionality
* add reset and undo functionality
* change centroids on layout change
* don't create label for unassigned
* add comment pointing out POI for performance
* touch up matrix transform comment
* add comment explaining coordinate space and children's assumed space
* remove dead code
* switch to pure component
* connect centroidLabels to redux
* clean up camera check and null result
* tool tip change
* rename centroid toggle and the like
* fix the misalignment of buttons, also make blueprint use consistent
* fix comment spelling mistakes
* introduce variable for cleaner logic expressions and state assignment
* alter tooltip text to back color by interaction
* remove manual iterator manipulation for forEach()
* remove debounce
* nit fix
* tooltip wording fix
* lint
* rename config param label-file
* annotations rework - CLI params, file naming and backups
* lint
* improve cli option error checks
* enable session cookies
* enable session cookies
* add session id
* name annotations file in multi-dataset and multi-user safe manner
* pass data user hash to front-end
* add annotation collection name support to front-end
* add constant for annotation data collection name
* parameterize annotation collection name; make it sticky in the session
* clarify comments
* hard wire a temporary data collection name for testing
* prettier
* test comment
* package command
* set annotations filename dialog
* name and hash are visible
* wire up data collection capture
* cache common results to reduce jank
* add util function in support of annotation labelling
* enable/disable annotation edit menus per issue 972; improve formatting
* PR review requests
* freeze objects
* component rendering perf work
* use PureComponent where safe
* remove obsolete WorldUtil code
* make brushable histogram a pure component
* many graph/scatterplot fixes: 722, 882, 758, 886
* fix e2e test breakage caused by graph transform work
* convert webgl point shaders to use flags rather than explicit point size
* remove unused packages from dependencies
* fix typo in regl prop name
* factor common code into util helper file
* legibility tweaks
* add action to clear colorMode and colorAccessor if diffexp is removed
* create new colorHelper function
* creater colorHelper for conditionally setting state
* add abbr
* revert abbr
* comment
* add histogram functionality to Dataframe; port category occupancy to use it
* fix binning and create histogram for continous by catagorical
* Remove unnecessary logs
* Begin work on KDE
* Replace broken KDE with working histogram
* Define domain and range based on data from histogram
* Fix occupancy
* Add continuous obs and switch to canvas
* Stop value from always rerendering
* clear before render
* Clear canvas on render
* refactor categorical occupancy to canvas
* Remove log
* simplify finding max
* refactor kde->histogram and occupancy->bins
* refactor svg -> canvas
* rename to occupancy stack
* create popup
* add metadata and categorical values to popup
* fix overflow
* remove zeros info
* style graph
* fix shouldComponentUpdate to look for world changes
* change categorySelected -> categoryValueSelected
* refactor out render
* remove comment
* conditionally have bottom border
* remove diff comp
* remove comments
* remove unnecessary mapping
* Add comments describing drawing functions
* comments
* flip comparison order
* remove logging
* move default to parameter
* move defaults to parameter
* disable popover if not showing histogram
* fix wording and styling
* add line break
* Connect mouse over events to reducer actions
* Change Styling on hover
* Rename reducer actions to be more descriptive
* Reorder reducer in cascade
* Create centroid calculation util
* Whitespace
* Typo fix, use correct action
* Create centroid calc util
* Create centroid svg setup
* Refactor existing svg layer to toolSVG
* Change calcCentroid signature and centroidXY to match mapPointToScreen
* Add id and styling
* Run prettier
* Set z-index to 999
* Draw the label
* Introduce the centroid SVG, refactor code to allow both SVG layers
* Add text label and compute radius based on population
* Implement optional chaining
* Update font family
* Optimize calcMeanCentroid()
* Create and utilize calcMedianCentroid()
* Remove mass circle from label
* Remove styling change on hover
* Remove reducer action logs
* Prettier
* Swap out binds for arrow functions
* Style text
* switch from selectAll() to select()
* Reflect centroid container's purpose in id
* Remove mass from the output
* Swap to obj
* Add finite check
* Don't draw centroid if no finite values
* Fix finite check
* Remove log
* Toggle label coloring based on colorBy state
* Pass cursor events through centroid svg
* enforce column name uniqueness for obs and var
* parameterize the column name containing obs and var user-readable names
* use the new annotation index value from schema
* update f/e unit tests
* PR review suggestions
* lint
* change pan speed to 1 per issue #722
* correct handle scaling of graph when aspect ratio less than one
* add package lock
* add invert to our scale functions
* correctly transform to/from gl coordinates
* remove unused import
* fix naming of import
* update smoke tests
* add own range() function
* lodash cleanup
* remove redundant fill range implementations
* remove use of _.get
* sync test babel config with build
* update tests to match new range implementation
* Add numeric inputs for percentiles
* Define initial values for percentile cutoffs in world reducer
* add percentil to crossfilter dimensions
* worldEqUniverse now handles cloned worlds
* add Dataframe.mapColumns
* Wire up handlers for percentile inputs
* World reducer and stateManager know about continuousPercentileMin/Max
* Create world as universe clone (not pointer) to avoid clobbering vals
* Define basic actions for setting continuousPercentileMin/Max
* Under the hood, deal with percentiles between 0 and 1
* Move percentile inputs to visualization settings menu
* Fix padding for undo/redo buttons
* Trigger world rebuild from percentile actions
* BROKEN - pseudocode for clamping dataframe by percentiles upon world rebuild
* fix error handling on clip quantiles; start world clipping implementation
* more unclipped reorg
* rename crossfilter.percentile to quantile
* simplify schema access
* update continuous legend when scale changes
* update color cache when clip changes
* clip obs annotations and var data when clip quantile changes
* use own fromEntries
* fix tests
* stable non-finite float sort/search
* clarify comments
* fix syntax typo
* use new stand-alone clip
* clip expresssion data
* add select tests for non-finite scalars
* basic styles
* clip UI now requires explicit commit
* reset enable/disable accounts for clip percentiles
* better error messages
* fix bug in undo interaction with programatic min brush selection
* small refactoring
* support clipping of int data
* do not perform unnecessary summarizations
* improve caching of dataframe compiled columns
* add percentile precompute to Dataframe.summarize
* use Dataframe.summarize for clip percentiles
* remove obsolete quantile code from corssfilter
* histogram scale and label Y axis, add unclipped X range labels
* layout tweaks
* scatterplot now updates when clip changes
* improve comments
* remove debugging comment
* rework clip number entry validation for usability
* ui tweaks to histogram colors and layout
* enable undo/redo for clip user action
* refine UI on clip value entry
* api cleanup
* update confusing comment
* clarify purpose of isValidDigitKeyEvent
* fix misleading comment
* apply appropriate button-group classes; do not mix span and div
* variable name and comment changes suggested in PR review
* rename sort to sortArray; remove unused and dead code path
* naming changes suggested in PR review
* code review improvements for clarity
* more small changes from PR review
* lint fixes for PR review
* fix spelling error
* clarify that function performs in-place modification of world
* add comment to clarify intent of range operation
* fix bad indents in comments
* clean up __columnsAccessor comments and code
* improve comments around clipPredicate
* field name consistency
* improve comment on quantiles params
* save graph selection in redux state
* fix old graph brush select regressions
* refactor graph brush selection to work with undo/redo
* update tests to match new crossfilter spatial select API
* graph selection state now in redux
* remove dead code
* sync graph selection with redux state; improvements to undoable machinery
* fix regression in undoable
* differentiate graph selection cancel from deselect action
* simplify calculation
* remove debugging code
* fix responsive repaint bug in graph selection tool
* undoable debugging and code cleanliness
* undoable action filter state now merges, rather than replaces
* improve comments
* add debounce to undoable action filter; improve comments and debug sanity check code
* comments
* fix undoable bug with clear scatterplot actions
* disable undoable debug flag
* cleanup API and comments around statemachine
* add test id attribute to lasso
* add better error handling for gene fetch requests
* immutable crossfilter
* first cut at reducer refactor with cascade model
* add initial redo/undo implementation
* small optimization
* integrate expression with history
* add tests for new reducers and fix a couple of small initialization bugs
* treat tiny lasso selections as a clear
* better function name for clarity
* fix undo for differential expression
* remove logging
* fix regression due to bad merge
* cleanup and comments for clarity
* improve undoable configuration for flexibility
* fix stale comments
* remove debugging code from production build
* rename categoricalSelectionState
* rename file
* improve comments
* initial dataframe commit
* initial dataframe port of core app
* rename variables for clarity
* remove unused import
* comment out unused code
* fix array handling bug in crossfilter dimension creation
* allow creation of empty dataframes
* handle non-existent columns
* handle non-existent columns
* revise tests for new dataframe
* comments for clarity
* comments for clarity
* generate bulk add placeholder with real gene names
* fix bug in gene name adding
* more dataframe unit tests
* fix bug - subset from current world, not universe
* put cut and pasted code into a single function
* improve caching of crossfilter
* remove cascading update bug from graph
* more performance work
* improve state handling for scatterplot
* performance optimization of critical path
* add column summarization
* dataframe utils
* add callOnceLazy
* fix tests
* minor updates found during review
* fix misspelling
* remove RESTv02 from function names
* comment cleanup
* cut/icut col parameter defaults to null
* break up large test
* improve tests and comments on dataframe at/has functions
* add Dataframe withCol/dropCol
* expression varData now stored in a dataframe
* dead code cleanup
* use dataframe.summarize()
* test cases for Dataframe.col.summarize
* update test cases for new dataframe summarize
* improve naming
* use new hasCol API
* add comments
* add more Dataframe.withCol tests
* add ability to specify row index in cut operation
* retire subsetVarData function
* correctly handle expression subsetting
* lint and improve comments
* rename cut to subset
* create helper file for controls reducer
* initial dataframe commit
* initial dataframe port of core app
* rename variables for clarity
* remove unused import
* comment out unused code
* fix array handling bug in crossfilter dimension creation
* allow creation of empty dataframes
* handle non-existent columns
* handle non-existent columns
* revise tests for new dataframe
* comments for clarity
* comments for clarity
* generate bulk add placeholder with real gene names
* fix bug in gene name adding
* more dataframe unit tests
* fix bug - subset from current world, not universe
* put cut and pasted code into a single function
* improve caching of crossfilter
* remove cascading update bug from graph
* more performance work
* improve state handling for scatterplot
* performance optimization of critical path
* add column summarization
* dataframe utils
* add callOnceLazy
* fix tests
* minor updates found during review
* fix misspelling
* remove RESTv02 from function names
* comment cleanup
* cut/icut col parameter defaults to null
* break up large test
* improve tests and comments on dataframe at/has functions
* add Dataframe withCol/dropCol
* expression varData now stored in a dataframe
* dead code cleanup
* use dataframe.summarize()
* test cases for Dataframe.col.summarize
* update test cases for new dataframe summarize
* improve naming
* use new hasCol API
* add comments
* add more Dataframe.withCol tests
* add ability to specify row index in cut operation
* retire subsetVarData function
* correctly handle expression subsetting
* lint and improve comments
* rename cut to subset
* changes based on PR review
* initial dataframe commit
* initial dataframe port of core app
* rename variables for clarity
* remove unused import
* comment out unused code
* fix array handling bug in crossfilter dimension creation
* allow creation of empty dataframes
* handle non-existent columns
* handle non-existent columns
* revise tests for new dataframe
* comments for clarity
* comments for clarity
* generate bulk add placeholder with real gene names
* fix bug in gene name adding
* more dataframe unit tests
* fix bug - subset from current world, not universe
* put cut and pasted code into a single function
* improve caching of crossfilter
* remove cascading update bug from graph
* more performance work
* improve state handling for scatterplot
* performance optimization of critical path
* add column summarization
* dataframe utils
* add callOnceLazy
* fix tests
* minor updates found during review
* fix misspelling
* remove RESTv02 from function names
* comment cleanup
* cut/icut col parameter defaults to null
* break up large test
* improve tests and comments on dataframe at/has functions
* lasso working
* break out invert into own function
* action
* add spatial dimension to crossfilter, in support of polygon lasso
* improve comments on new dimension API
* lasso vs zoom
* first flatbuffer schema
* do not lint auto-generated files
* add flatbuffers package
* add flatbuffer module
* wire up /data/X/T route
* use flatbuffers for matrix data fetc
* clarity and comments
* add flatbuffer layout route
* clean up obsolete code
* fix tests
* move flake8 config to setup.cfg
* add comments
* lint
* rework layout routes for fbs
* add more type support to fbs
* lint
* add flatbuffer support for annotations
* function name improvements
* fix botched merge with master
* remove unused import
* route cleanup for flatbuffers
* rename function for clarity
* add missing globals to Jest tests
* fix client JS tests
* fix routes for Python tests
* comments for clarity
* non-finite floating point hardening
* more non-finite number handling
* lint
* fix tests for summarizeAnnotations
* harden diffexp calculation against FP errors
* cleanup unused code
* lint
* add encoding tests for flatbuffers
* application type specified as strings
* fix spelling error
* improve variable names
* add note about documentation gap
* rename FBS DataFrame to Matrix
* new diffexp REST API spec
* new diffexp REST API; faster diffexp and dataframe slicing
* first draft of fast diffexp
* convert variance calculation to two-pass method
* lint
* update front-end use of API
* fix typo in spec
* disable content compression
* catch index filter format errors
* clean up of dead code
* resolve PR review comments
* remove memoization
* update to flash 1.0.2; turn on threading
* stand-alone helper routines for array slicing
* fix issue #405
* reset diffexp state when world changes
* performance work in dimension creation; fix world slicing bug
* update tests to match new state mgmt api
* update flask
* do not make dimensions for useless annotations
* update test to match optimizations
* Create Release_Validation_Recipe.md
* nameCreators test and better error handling
* add test for createObsDimensionMap
* add last set of tests for world module
* range encode filter range lists
* speed up data load
* add comment on scanpy read params
* update to latest scanpy/anndata
* performance improvments in data loading
* fix typo
* work around scanpy bug
* remove debugging print statements