Name: LogarithmPlotter
Author: Ad5001

LogarithmPlotter is, as it's name suggests, a plotter made with logarithm scales in mind. With an object system similar to Geogebra's, it allows dynamic creation of both logarithmic-scaled and non logarithmic-scaled plots with very few limitations.It's primary use is to quickly create asymptotic Bode plots, but it's extensible nature and ability to switch to non-logarithmic scales allow it to create other things with it, like sequences or statistical repartition functions.Features:<ul><li>Graphical objects (points, fonctions, Bode magnitudes...) management system</li><li>Complete object edition</li><li>Advanced history system</li><li>Diagram looks customisation</li></ul>LogarithmPlotter is available in:<ul><li>🇬🇧 English</li><li>🇫🇷 French</li><li>🇩🇪 German</li><li>🇭🇺 Hungarian</li><li>🇳🇴 Norwergian</li></ul>Learn more: https://apps.ad5001.eu/logarithmplotter/

LogarithmPlotter

(null)New<ul><li>New, reworked application icon.</li><li>Graph is now mouse interactive:</li><li>You can now drag to move and scroll to zoom!</li><li>Builtin functions now provide usage when used in the autocomplete of the expression editor.</li></ul>Changes<ul><li>When creating an object that can be positioned, new default behavior is to pick first instead of opening object settings.</li><li>Icons with text now use the SVG's text element, allowing them to integrate better with the system's default font.</li><li>Special characters popup is now context aware (e.g. no sub/supscript symbols in expressions).</li><li>New symbols in special characters popup.</li><li>Integrals and derivatives can now be provided with an executable object (e.g. Functions) instead of strings as function.</li><li>New description on Linux.</li></ul>Fixed bugs<ul><li>Fixing ∞ 'variable' in domains and expressions.</li><li>Several other bugs related to constants in expresions were fixed as well.</li><li>Builtin functions now send an error message when not provided with the proper arguments.</li></ul>Internal changes<ul><li>Updated to PySide6 v6.6.1.</li><li>Reworked continuous functions' rendering to make it faster.</li><li>Removed old bits from an unfinished new parser that weren't used.</li></ul>

(null)Changes<ul><li>Fully ported to PySide6 (Qt6).</li><li>Greet screen settings are now scrollable.</li><li>Changelog is now freezed to current version.</li></ul>New<ul><li>Customizable color schemes for expressions.</li><li>New, rewamped and improved picked location overlay settings:</li><li>It's now possible to disable picking x or y when setting a location.</li><li>Properties which are related to positioning (X, Y, Label's X position) can now be set using the picker.</li><li>Visual redesign that enhances readability of settings.</li><li>There is now a button to hide picker settings.</li></ul>Fixed bugs<ul><li>Cursors in expression are now easier to see.</li><li>Symbols in LaTeX rendered Texts cause the LaTeX renderer to crash.</li><li>Underscores in distribution names are automatically removed if the name is modified.</li><li>Autocomplete categories now properly respect theme colors.</li><li>Functions in expressions (like indexOf, map...) now properly send errors when the arguments are of the wrong type or count.</li><li>Executable Objects called (like functions, bode magnitures, phases...) now send an error if provided with no arguments.</li><li>Function calls with no argument no longer make LogarithmPlotter crash under certain circumstances.</li><li>Thank you dialog's lists are no longer draggable.</li></ul>Internal changes<ul><li>A lot of inner changes led by porting to Qt6, fixing a lot of bugs at the same time.</li><li>Disabled auto detect of visual theme if the `QT_QUICK_CONTROLS_STYLE` environment variable is set.</li><li>(macOS, Windows, Flatpak) Drastically reducing installer sizes (more than halved).</li><li>(Launchpad/Ubuntu) Using custom built packages of PySide6, meaning smaller installation and distro dependency.</li></ul>

(null)New<ul><li>New completely revamped expression editor:</li><li>Automatic closing of parentheses and brackets (can be disabled in settings).</li><li>Syntax highlighting (can be disabled in the settings).</li><li>Autocompletion is now available (for function names, variables and constants, object names and properties) (can be disabled in the settings).</li><li>Object properties can now be used in expressions (e.g. if you have a point named A, you can use A.x to access its x value).</li><li>Similarly executable objects (Functions, bode magnitudes and phases, distributions, and sequences) can be now be used in expressions (e.g. if you have a function named 'f', you can access its value using `f(value)`).</li><li>LaTeX-rendered formulas are now used in the Objects and History tabs when LaTeX rendering is enabled.</li><li>Errors in formulas are now reported in message boxes.</li></ul>Changes<ul><li>The Object Editor dialog has been completely reworked internally, resulting in notable performance improvements.</li><li>Vast improvements to the objects system: names are now consistently reported and cannot be shared amongst different objects.</li><li>Disabled access to custom variable and function definition in expressions (can cause issues and vulnerabilities)</li><li>When using the set position cursor on Points and Texts, the position change is now saved a single history action: the position setting.</li><li>Distribution are now prefixed with an 'F_' to prevent confusion with X Cursors.</li></ul>Added translations<ul><li>Autocompletion categories (English, French, German, Hungarian).</li><li>Expression editor settings (English, French, German, Hungarian).</li><li>Expression syntax errors (English, French, German, Hungarian).</li><li>On top of the above:</li><li>Hungarian: v0.2.0 added text (thanks @ovari!)</li><li>Spanish: Menu bars (thanks @Sergio Varela)</li><li>You can contribute to translation on Weblate.</li></ul>Fixed bugs<ul><li>Fixing Texts not being properly recognized as texts when saving.</li><li>Text's 'Disable LaTeX' property is now properly saved.</li><li>X Cursors LaTeX rendering made the app crash.</li><li>Attempting to insert special character no longer automatically saves the expression you're editing.</li><li>Proper HDPI support for icons and buttons (note: HDPI is not available for the rendered canvas yet).</li><li>Support for non-latin characters in variables (e.g. greek letters, subtext, suptext)</li><li>Silent error when misentering variable names in the expression editor causing internal issues preventing you from changing the expression ever again and causing issues and rendering.</li><li>Fixing some utils function simplifying parentheses when they shouldn't have (note: you may see more parentheses than before in expressions).</li><li>(flatpak and KDE SDK) Fixing the sometimes invisible buttons on the objects tab on startup.</li><li>(macos) Application string version does not match LogarithmPlotter's version.</li><li>(debian) (Normally) Fixing deb building.</li></ul>Internal changes<ul><li>Object dependencies are now registered on both the dependant object, and the object it's depending on.</li><li>Objects now have a proper per-name registry.</li><li>Object Editor Dialog has been reworked to use loaders instead of loading and hiding every property editor for each property.</li><li>Reworked the file loading system to be able to load dependencies properly.</li></ul>

(null)New<ul><li>(EXPERIMENTAL) LogarithmPlotter now has an optional LaTeX integration.</li><li>It requires a LaTeX installation, including `latexmk` and `dvipng` available in the PATH.</li><li>NOTE: LaTeX support is disabled by default and is only for working for the rendering on the graph.</li><li>NOTE: The objects and history tab still use the legacy text based expression rendering.</li><li>Thanks and contributions dialog, showing included libraries and translations, their license and author(s).</li><li>LaTeX rendering can be disabled for texts, even if LaTeX is enabled.</li></ul>Changes<ul><li>History re/undos only redraw the graph every 4 change at most in order to speed up the process when re/undoing a lot of changes.</li><li>Gradients are no longer hidden when filtered out in the history tab.</li></ul>Added translations<ul><li>LaTeX options and error messages</li><li>Thanks and contribution dialog</li><li>New option for text.</li><li>Fixed translation of "repartition" which should be "distribution" in certain remaining strings.</li></ul>Fixed bugs<ul><li>(macos) #1 - Opening files don't work on compiled versions of LogarithmPlotter on MacOS</li><li>(snapcraft) Fixed bug preventing from launching LogarithmPlotter. This fix has been backported to v0.1.8.</li><li>(snapcraft) Files are now properly opened.</li><li>(snapcraft) Added changelog support.</li></ul>Internal changes<ul><li>Moved python modules to "util" directory for more clarity.</li><li>Moved flatpak metainfo to eu.ad5001.LogarithmPlotter repository.</li><li>Componented the Mathlib library in order to have a more readable source.</li><li>Added documentation for most internal JavaScript modules.</li><li>Merge label drawing methods due to it's complexity.</li><li>(flatpak) Updated SDK version to v5.15-21.08.</li></ul>

(null)New<ul><li>There is now a user manual for LogarithmPlotter! Contributions apprecriated.</li></ul>Changes<ul><li>A link to LogarithmPlotter's official website has been added in the about dialog.</li><li>A link to the user manual has been added both on the greeting screen and the `Help` menu.</li></ul>Added translations<ul><li>User manual.</li><li>Official website.</li></ul>Fixed bugs<ul><li>The label position of X Cursors now display the label even when unexpected values are entered.</li><li>X Cursors target object in history are now properly rendered when no object were selected</li><li>Fixed slight clipping at the bottom of the border.</li><li>TextInput no longer allow to input forbidden characters for numbers.</li><li>ALT+ shortcuts on the menu bar now work. NOTE: May break some mobile configuration. Qt bug report</li><li>(flatpak) Buttons on side menu to create object now have proper width on startup.</li></ul>Internal changes<ul><li>There is now a script to generate offline versions of the manual based on their online version.</li><li>Sidebar button width is now fixed.</li><li>Artifacts have been added to appstream metadata.</li></ul>

(null)New<ul><li>The history browser has been completly redesigned, improving UX.</li><li>The history browser now features a filter bar.</li><li>All side panel tabs now have a visually identifiable scrollbar.</li></ul>Changes<ul><li>Shorter rich text representations of history entries to improve readability.</li><li>Usage of gradiants and icons to better identify history entries at a glance.</li><li>History entries are now showing the whole label on several lines, instead of cutting it at the end.</li><li>New history action for renaming.</li><li>New history action for coloring. Note: color changing history entries created in previous versions of LogarithmPlotter will not be updated.</li><li>Tooltips for object creation buttons have been added.</li><li>Tooltips have been set to have a delay of 200ms to match most software's handling of them.</li><li>Object creation buttons now have a unified style accross all platforms.</li></ul>Added translations<ul><li>History action of renaming objects.</li><li>History action of changing the color of objects.</li><li>Filtering for history browser.</li></ul>Fixed bugs<ul><li>Visibility history actions (shown and hidden) are now properly savedmaking loading them not automaticly changed to "Show".</li><li>Name changes history actions are now properly saved.</li><li>Non translated object type on the "+ Create new object" item selection combobox for Bode Magnitude and Phase.</li><li>Proper handling for future LogarithmPlotter files.</li><li>Shortcuts not being displayed in the menu bar are now properly shown.</li><li>(flatpak) Black versions of the icons when using a black theme with the KDE SDK.</li><li>(debian) Fixed launchpad building properly.</li></ul>Internal changes<ul><li>Better organisation on icons.</li><li>Historylib has been separated in several files.</li><li>Trying to switch metainfo once more to try and fix another bug.</li><li>Keywords added to metainfo.</li></ul>

(null)New<ul><li>A new changelog popup is available at startup and in the help menu.</li></ul>Added translations<ul><li>Object properties names.</li><li>Object properties enum values.</li><li>Object comments.</li><li>Most elements using a ":".</li></ul>Fixed bugs<ul><li>X Cursor's targets can now be set to null.</li><li>History now imports domains and objects properly.</li><li>Proper handling for future LogarithmPlotter files.</li><li>(debian) Fixing bug that created a /build directory and didn't put the icons in the right directories.</li></ul>Other<ul><li>Other: Refractoring done on helper.</li><li>Other: All QML elements are now properly commented.</li><li>Other: Scripts have been moved to it's own directory.</li><li>Other: Added changelog to metainfo for flathub.</li></ul>

(null)New<ul><li>LogarithmPlotter has now better handling of very high values in logarithmic scale.</li></ul>Added translations<ul><li>Flatpak metadata, including translated image.</li></ul>Fixed bugs<ul><li>(!) File saving dialog was not working.</li><li>(!) Debian packages does include any language file.</li><li>X Cursor pointing does not detect any object.</li></ul>

(null)New<ul><li>LogarithmPlotter detects unsaved changes.</li><li>LogarithmPlotter is now translated!</li><li>New translation: English by Ad5001: 100%</li><li>New translation: French by Ad5001: 100%</li><li>New translation: German by Ad5001: 100%</li><li>New translation: Hungarian by Óvári (@ovari on github): 100%</li><li>New translation: Norvegian by Allan Nordhøy (@comradekingu on github): 80%</li></ul>Fixed bugs<ul><li>Fixed bug: No notification when closing LogarithmPlotter with unsaved changes.</li><li>Fixed bug: π unavailable in symbols.</li></ul>

(null)Fixed bugs<ul><li>Sandboxed packages (snapcraft and flatpak) won't show error messages related to update checks.</li><li>Equations of the form (x + y) / z were not being simplified properly.</li></ul>

(null)Fixed bugs<ul><li>Unable to move Bode diagrams elements when having deleted the sum element.</li><li>Names were not not being changed from previous object when editing a new one.</li><li>Bode Magnitude was not drawn far enough.</li><li>Bode Magnitude had undefined ending.</li><li>Other bugs patched in v0.1.1.</li></ul>

(null)<ul><li>Initial release.</li></ul>

LogarithmPlotter

Create and edit Bode plots

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