Mandelbulber v2 2.26

Mandelbulber 2.26 introduced several new interesting features:

• Denoiser for Monte Carlo rendering
• Variable number of frames per keyframe
• Chromatic aberration post effect
• A lot of new fractal formulas and transforms

Detailed list of changes in 2.26:

• Added new fractal formulas
  amazingIfs
  amazingSurfM3d
  boxFoldBulbV4
  dIFSSAmazingIfs
  hypercomplexV2
  mandelbar
  mandelbulbPow2V3
  mandelbulbQuadrat
  mandelnestV2
  pseudoKleinian4d
  transfAddCpixelInvert
  transfAddCpixelSphereFold
  transfAddCpixelTile
  transfAddScaleRotate
  transfDIFSAmazingIfs
  transfDIFSHexprismV2
  transfDIFSSpring
  transfDIFSTriGrid
  transfQuadraticFold4d
  transfRotationM3d
  transfSphericalCoordInvs
  transfSphericalFoldPnorm
  transfSphericalInvPnorm

• modified fractal formulas
  mandelnest, added checkbox for aux.dist
  benesi, added z.x conditional offset
  transfParabFold, factorP.w = 0.0;
  pseudoKleinianMod3 add rotation
  transfDIFSHexprism add hollow

• Animation: Added row in keyframe table with number of frames per keyframe

• Animation: Implemented interpolation of variable number of frames per keyframe

• Animation: Added function to add keyframe in between two keyframes (values are interpolated)

• Animation: Added row in keyframe table with camera speed

• Animation: Added cubic and steffen interpolations for keyframes (work well with variable frames per keyframe)

• Animation: Added option to delete rendered frames for chosen keyframe

• Animation: Added button to add all parameters with non-default value to keyframe animation

• Animation: Added option to copy value from selected cell to all keyframes

• Animation: Added option to multiply or add value to selected range of cells in keyframe editor

• Animation: Texture image sequences no longer need to start from 00000

• Animation: Implemented saving of image frames by separate CPU thread.

• Animation: Fixed bug #871: removing and re-adding parameter to animation table put wrong default value for parameter

• AnimBySound: Added possibility to move keyframes in AudioSelector (dragging on the ruller)

• AnimBySound: Added "sound delay" option in AnimBySound. Can be used to render part of animation which starts from the middle of sound

• Shaders: Added advanced Denoiser for Monte Carlo rendering (uses zbuffer, surface normals, noise statistics)

• Shaders: Added chromatic aberration as a post filter

• Lights: Fixed bug in rendering of MC soft shadows for directional lights

• OpenCL: Added rendering of HDR Blur with OpenCL

• UI: Corrected size of color buttons and preview in load settings window for high DPI displays

• UI: Reset View now works properly when primitive water or plane are used

• UI: Corrected polygon counter in Mesh export function

• UI: Added option to change path to toolbar folder (issue #813)

• Shaders: Fixed bug in RayRecursion - there was uninitialized normal vector

• Shaders: Fixed issue #851 - post effects were not updated when DOF was updated

• Fractals: Changed default detail level to 2

• Settings: Corrected loading of angle of main light from settings version <2.25

• Settings: Fixed problem with loading wrong version of INI file

• Settings: Fixed bug: sometimes was wrong image proportion after loading settings (issue #847)

• Settings: First and last frame to render parameters weren't loaded properly (issue #863)

• Randomizer: Fixed bug #867. Starting of Randomizer didn't refreshed all parameters

• Randomizer: issue #872: randomizer stops actual rendering and disables auto-refresh

• Compilation: Travis CI switched to xenial and Qt 5.91

• Compilation: add ArchLinux docker build with OpenCL support (issue #839)

• Files: corrected file names in cache for ResourceHttpProvider

• Examples: Updated examples to use denoiser

• Fixed bug: program crashed when gamepad was disconnected

Mandelbulber v2 2.25

In Mandelbulber 2.25 there is completely new subsystem for light sources. Now there can be defined unlimited number of light sources and they have much more options than before.

Below there is full list of changes in 2.25:

• Added new fractal formulas
  aboxMod15
  ifsGen
  josKleinianV3
  kochV4
  mandelnest
  pseudoKleinianMod5
  transfAddConstantMod3
  transfBlockifyV2
  transfDIFSDiamond
  transfDIFSGearV1
  transfDIFSGridV3
  transfPolyFoldAtan2Iter
  transfSinTan

• modified fractal formulas
  T>DIFS cylinder, added hollow option
  amazing box mod14, corrected rrCol color
  mandelbox variable, fix vary scale mode 2
  mandalay KIFS updated
  menger4D mod2, add quadray

• Lights: possible to define an unlimited number of lights

• Lights: light sources organized as a tabs in UI

• Lights: added New, Duplicate, Delete, Place buttons for lights

• Lights: added selection of light decay function

• Lights: added conical type of lights (spot lights)

• Lights: added texture projection

• Lights: position of the light can be absolute or relative to the camera

• Lights: shadow parameters can be individually controlled for every light

• Lights: every light can be used as a directional light (substitution for Main light source)

• Lights: removed UI elements for Main light source

• Lights: volumetric light UI elements moved to light source tab

• Lights: light sources defined in old Mandelbulber versions are converted to new structures

• Lights: random lights updated to work with new lights

• Lights: added wire-frame preview of light sources

• Lights: actual selected light is displayed as bold lines

• Lights: lights can be dragged using mouse pointer and moved forward/backward using ctrl+mouse wheel

• Lights: added ball widget to control and preview light source direction (for directional lights)

• Lights: added default texture for light projection (thanks to Stephen Sink for the texture)

• Lights: intensity of random lights doesn't depend on the number of them

• OpenCL: Added detection of missing TdrLevel and TdrDelay settings in Windows registry.

• OpenCL: Implemented environment mapping effect to OpenCL code

• Shaders: Added fast shading for clouds when "receive shadows" option is off

• Randomizer: If OpenCL is enabled, Randomizer will not use CPU for rendering trials. It improves performance of randomizing.

• UI: added importing of color palettes from https://coolors.co/ (copy/paste way)

• UI: fixed bug: added missing "distance between eyes" editbox

• Shaders: Fixed problem with application crashing caused by not-a-number results of NormalMap vector transformation

• Shaders: Fixed problem with wrong rendering of specular highlight gradients in CPU mode

• Performance: Reduced high memory usage caused by parameter containers and undo buffer

• Performance: Reduced memory usage by textures

• Rendering: Program crashed when was reduced number of CPUs to use

• Code: removed depreciated Qt functions (prepared for Qt 6.0)

• Examples: added GPU benchmark for stronger GPUs (benchmark-GPU 2.fract)

• Examples: added many examples

Mandelbulber v2 2.24

New in 2.24

• Added new fractal formulas
  aboxKlein
  aboxTetra
  amazingSurfKlein
  amazingSurfKleinV2
  mandelbulbAbs
  mandelbulbPlusZ
  msltoeSym3Mod4
  msltoeSym3Mod5
  msltoeSym3Mod6
  pseudoKleinianMod4

• modified fractal formulas
  josKleinianV2, reinstate sphere inversion
  transfBlockify, fix and finish

• updated User Manual. Added chapters:

  • Quick Start Guide
  • Materials

• Fractals: Fixed problem with fractal weight function not working in analytic DE mode

• UI: Fixed problem with copying parameters from one fractal tab to another using local load/save functions

• UI: There was a too high distance limit for thumbnails (was 1e-12, should be 1e-15). It caused missing rendering of thumbnails.

• UI: FOV spinbox replaced with logEdit - now it can be used for much lower FOV values

• UI: Improved resolution of spinbox for formula weight

• UI: Added mouse hotkeys in Help/Hotkeys

• UI: Added menu options and shortcuts for Render and Stop (ctrl+R, ctrl+T)

• Shaders: Added missing checkbox "cast shadows" in iteration fog options

• Shaders: Fixed bug #812- now textures look correct when objects are repeated

• Files: Fixed bug #815 - There is no longer the need to run update of data folder structure (compatibility with 2.10)

• Shaders: Corrected rendering of deep zooms in CPU mode. There was wrong zero-checking in normal vector calculation

• NetRender: Fixed bug #756 - Fixed problem with missing last frames when NetRender is used for animations

Mandelbulber v2 2.23

New in 2.23

• Added new fractal formulas
  aexion4dV2
  mandeltorusV2
  menger4dMod2
  sierpinski3dV4
  spheretreeV2
  transfAddCpixel4d
  transfAddNorm
  transfDIFSPolyhedra
  transfDIFSPolyhedraV2
  transfInitial4d
  transfMandalayFold4d
  transfSmooth
  transfSmoothV2
  transfSphericalFold4dV2

• modified fractal formulas
  mandeltorus prescale and mode2 had swapped checkboxes
  mandelbulbLambda fixed openCL
  transfStepXY added offset and scale
  transfScaleOffset fix DE
  transfScaleOffsetV2 fix DE

• Shaders: Added clouds based on Perlin noise

  • receiving and casting shadows by clouds
  • clouds located by plane geometry
  • clouds located at certain distance from fractal
  • distance estimation to clouds for fast rendering
  • illumination boost by orbit trap lights

• Textures: added support for textures in HDR Radiance format

• Shaders: Added parameter for limiting GI radiance

• Shaders: Volumetric DE factor now also works in CPU mode

• Shaders: Added parameter for main light source contour sharpness

• Shaders: Added option to make shadows on primitives visible on alpha channel and to hide primitives

• Randomizer: Fixed bug in randomization algorithm for angular variables

• Randomizer: Improved stopping of Randomizer (faster stop of OpenCL worker)

• Randomizer: Fixed bug #800. There was no check if randomized version had assigned parameters.

• Randomizer: Added "keep" checkbox in each variation in Randomizer. It excludes selected version from randomizing

• UI: Added calculation and displaying of midpoint in measurement dock (issue #332)

• UI: Fixed problem with missing selection of column in keyframe table after adding parameter to the table.

• UI: Corrected rendering of Julia preview (now works properly with hybrids). Added option to disable Julia preview (issue #691)

• Files: Added image auto-save when rendering takes more than 10 minutes (issue #776)

• Files: Added storing of 100 undo levels in disk cache

• NetRender: Fixed bug #805. Zbuffer parameters weren't transferred to NetRender clients

• Code: minimized explicit use of new and delete (issue #445)

Mandelbulber v2 2.22

Main new feature in version 2.22 is editor for custom fractal formulas. User can add own or edit code from existing fractal shapes.

New in 2.22

• Added new fractal formulas
  aboxMod14
  mandelcup
  menger3
  mengerChebyshev
  octahedron
  riemannSphereMsltoeM3d
  sierpinski3dV2
  sierpinski3dV3
  spheretree
  transfAbsRecFoldXY
  transfBoxTilingV2
  transfDELinearCube
  transfDIFSHexprism
  transfRotationChebyshev
  transfSphericalFoldV2
  transfStepXY

• modified fractal formulas
  sierpinski3d, fixed add reverse
  transfDEControls pk offset default = 1

• Custom formulas: Added custom formula editor

  • inserting parameters from the list
  • dynamic UI for parameters existing in custom code
  • syntax highlighting
  • auto indenting
  • syntax checking
  • loading of build-in formulas
  • saving of formula code in .fract files
  • loading/saving of formula code in text files
  • auto formatting with clang-format
  • customization of font size

• Randomizer: Added option to not randomize camera when animated parameters from keyframe editor

• Randomizer: Added STOP button to Randomizer

• Randomizer: fixed bug: not finished renderings of previews caused high CPU load

• Voxel export: Added export of greyscale voxel layers

• Shaders: fixed bug: Ambient Occlusion (Multiple Rays with light map) produced color noise

• OpenCL: corrected occurrences of double precision constants which caused compiler errors on MacOS

• Files: Added camera top vector to image metadata (issue #722)

• Files: Added options for zbuffer saving: inverting z-buffer, logarithmic scale, constant depth range

• Compilation: fixed bug: Corrected location of formula/definition files is source package

• Compilation: added missing option which includes SVG library to AppImage

• Compilation: Fixed problem with missing sources when cmake is used (issue #784)

• Examples: cleaned settings of most of the examples

Mandelbulber v2 2.21

New in 2.21

This version introduces Randomizer tool which allows random modifications of selected set of fractal parameters.

Added new fractal formulas:

• aboxSphere4d
• aboxTetra4d
• fastMandelbox
• foldCutCube
• koch
• kochV2
• kochV3
• knotV1
• knotV2
• mandalayBoxV1
• mandalayBoxV2
• mandalayKifs
• mengerV2
• mengerV3
• pseudoKleinianMod3
• transfMandalayFoldV1
• transfMandalayFoldV2
• transfSinAdd
• transfSphericalFoldV1
• transfDIFSTorusGrid
• transfDEControls BETA

modified fractal formulas:

• pseudoKleinianStdDE change to std r bailout & aux.dist DE
• scatorPower2 change to std r bailout & aux.dist DE
• scatorPower2Imaginary change to std r bailout
• scatorPower2Real change to std r bailout

Randomizer: Added Randomizer tool for interactive-random modifying of settings

• randomizing algorithm which considers parameters hierarchy
• visual comparison of results with threshold based on noise level
• repeating randomizing of results similar to base image
• repeating randomizing of results similar to any other version
• repeating randomizing of blank images
• 3 different randomizimg levels
• saving settings of particular variant to .fract file
• displaying of randomized parameters in tooltips
• option to reset negligible parameters
• option to add randomized parameters to keyframe animation
• checkbox to disable randomizing of integers and booleans
• options in preferences to customize size and quality of previews
• tool can be launched from any dock, group-box, globally or from keyframes editor.

OpenCL: implemented adaptive anti-aliasing algorithm
UI: Added tool for global cleaning up of settings
UI: Changed FOV to be in degrees
Shaders: Fixed problem with very high brightness of multi ray AO when OpenCL was disabled
Code: Refactored fractal_cormulas.cpp file. Now all fractal formula definitions are in separate .cpp files are derived form cAbstractFractal class.
Fixed bug: in many OpenCL formulas were used double precision constants. Compilation of OpenCL kernels failed on MacOS.
Fixed bug: added missing libsndfile for MacOS builds

Mandelbulber v2 2.20

This version introduces NetRender optimized for rendering animations using clients distributed over the network. It can use OpenCL for rendering. In addition it shares textures and sound files during network rendering. All rendered image frames are sent back to the server.
Version 2.20 new type of fractal formulas and transforms. New dIFS formulas can place geometric shapes into the fractal structure.

What is new:

• Added new fractal formulas
  amazingSurfMod4
  riemannSphereHoboldPow4
  riemannSphereHoboldPow8
  riemannSphereHoboldMulti
  mandelbulbKosalos
  mandelbulbKosalosV2
  mandelbulbLambda
  transfAddConstantMod2
  transfAddConstantRotV1
  transfScaleOffset
  transfScaleOffsetV2
  dIFSBoxV1
  dIFSBoxDiagonalV1
  dIFSBoxDiagonalV3
  dIFSCylinder
  dIFSEllipsoid
  dIFSHextgrid2
  dIFSMenger
  dIFSMsltoeDonut
  dIFSPrism
  dIFSSphere
  dIFSTorus
  transfDIFSBox
  transfDIFSBoxV2
  transfDIFSBoxV3
  transfDIFSCylinder
  transfDIFSCylinderV2
  transfDIFSEllipsoid
  transfDIFSGrid
  transfDIFSGridV2
  transfDIFSHextgrid2
  transfDIFSPrism
  transfDIFSPrismV2
  transfDIFSSphere
  transfDIFSTorus
  transfDIFSTorusV2
  transfDIFSTorusV3

• modified fractal formulas
  boxFoldBulbPow2V3, added sphere invert
  transfRotationIterControls, fix order of rotations
  msltoeSym4Mod, added mul and fixed scale
  aboxMod13,add missing sphere fold iter controls
  transfSurfBoxFoldV24d = 1104, // duplicated number 1089
  aexion, convert to analytic
  quaternion4d, convert to analytic
  quaternionCubic4d, convert to analytic
  quickDudley, convert to analytic
  quickDudleyMod, convert to analytic
  lkmitch, convert to analytic
  makin3d2, convert to analytic
  riemannSphereMsltoeV1, convert to analytic
  riemannSphereMsltoeV2, convert to analytic
  benesiMagTransforms, convert to analytic
  transfBenesiCubeSphere, convert to analytic
  transfBenesiSphereCube, convert to analytic
  transfBenesiT3, covert to analytic
  transfBenesiT4, covert to analytic
  transfBenesiT5b, covert to analytic
  aexionOctopusMod, add Force Analytic option
  sierpinski3d, fixed DE

• Fractals: added dIFS distance estimation mode

• Fractals: Fixed issue #725. In some cases (only dummy iteration), colorIndex was uninitialized (noise on images)

• Fractals: Fixed problem #737 (lack of coloring when slot#1 is disabled)

• Fractals: Force analytic DE now works in non-hybrid mode

• Fractals: Fixed problem #685. There was incomplete bailout condition for coloring mode.

• NetRender: added network distributed rendering of animations (also with
  OpenCL). Server controls rendering animation and distributes rendering of
  animation frames to all connected clients. Finished image frames and sent back
  to the server.

• NetRender: clients can pull textures and audio files from server

• Shaders: Added color property for ambient occlusion effects

• Shaders: Added fill light (0-order ambient occlusion)

• Primitives: Added boolean operators for primitive objects

• Primitives: Added parameter to control water progression speed in animation

• Tools: Added Mandelbulber VFX Tools by Adrian Meyer

• UI: Re-organized order in fractal list

• UI: Colorized sections in comboBox with fractal list

• UI: Added hotkey F11 to toggle full screen mode

• UI: rendering of Julia set preview now is done by OpenCL

• UI: Added Spanish language (translated by Jorge Abalo)

• UI: Fixed bug #721. Deleted second material sometimes was really deleted and caused problems with Undo

• UI: Fixed problem with Queue hanging program when deleting items from queue table

• UI: add new generalized image file save with hotkey. This allows for all image
  file formats. The file format is derived from the given extension.

• Examples: used $SHARED_DIR to substitute hardcoded texture paths

• Examples: added many new examples

• Files: Changed EXR compression from ZIP16 to ZIP1

• Compilation: Changed to use OpenCL/cl2.hpp (cl.hpp is already depreciated) with OpenCL 1.2 compatibility macros

• Compilation: Changed xcode version to 9.4.1 for MacOS builds

• Compilation: Fixed many errors showed by CoverityScan

Mandelbulber v2 2.19

New in 2.19

• Added new fractal formulas
  mandelbulbPower1234
  mengerPolyFold
  ifs_xy
  transfDiagonalFold
  transfPolyFoldAtan
  transfPolyFoldAtan2
  transfAbsAddConditional2
• modified fractal formulas
  transfPolyFoldSymXY, added XY to name and updated code
  transfPolyFoldSymMulti, updated code
• Shaders: surface color palette replaced with gradient editor
• Shaders: added gradient for specular highlights
• Shaders: added gradient for diffusion
• Shaders: added gradient for luminosity
• Shaders: added gradient for reflectance
• Shaders: added gradient for transparency
• Shaders: added gradient for roughness
• Shaders: added texture mapping for reflectance
• Shaders: added texture mapping for transparency
• Shaders: added texture mapping for roughness
• Shaders: added global illumination by volumetric effects
• Shaders: Fixed bug: corrected rotation of textures when main fractal object is rotated
• Animation: added morphing of gradients
• Primitives: improved water animation
• UI: added context menu and quick action buttons for gradients
• UI: Added option in preferences to disable tooltips (fixed issue #213)
• UI: Select Fusion UI style as default when none is selected
• UI: Fixed bugs #682 and #594: after using ctrl+s cursor permanently jumped to the right in edit fields
• Settings: added conversion of old color palettes to new gradients
• Image: added saving diffuse optional channel
• Image: added saving world coordinate optional channel
• Code: refactored code for NetRender
• Code: a lot of small code improvements and cleaning up
• Compilation: Added missing installer.pri to the Linux package
• Compilation: moved to Qt 5.12 in msvc builds for Windows
• Fixed bug: fix for crashing when preview size was changed during rendering
• Fixed bug: when program was closed during populating toolbar, there was left zombie process.
• Fixed bug #609: Now it is not possible to run with OpenCL platform index -1
• Examples: added many new example settings

Mandelbulber v2 2.18-1

Bug fixes in 2.18-1:

• fixed problem with locked auto-refresh function
• fixed bug in CMakeList - there was missing SHARED_DOC_DIR definition

Mandelbulber v2 2.18

Development of Mandelbulber 2.18 was mostly focused on implementation of stereoscopic rendering in OpenCL mode.
This new version got very interesting "fake lights" effects based on calculation of different shapes of orbit traps.

New in 2.18:

• Added new fractal formulas
  amazingSurfMod3
  transfRotationIterControls
  transfClamp4d
  transfAbsAddMulti4d
  transfRotateAboutVec3
  transfOffsetSCurve4d
  transfGnarl
  transfBoxTiling4d
• modified fractal formulas
  menger middle mod, added vary scale and sphere inversion
  trans_scale4d, added vary scale
  aboxModKaliV2, added oldZ sign transform
  transfAbsAddTgladFold4d, added iter controls and aux.color
  transfBoxFold4dTglad, added linear vary scale option
  mandelboxVariable, added variable functions for box limits and addCpixel
  aboxModKali, added pre-rotation (variable)
  transfQuaternionFold, re-structure DE
• OpenCL: Added rendering of stereoscopic images
• OpenCL: Disabled loading of textures in fast and medium OpenCL modes (improves performance)
• OpenCL: Fixed problem with "nan" estimated noise when some of pixels have infinite brightness.
• OpenCL: Added missing code for DeltaDE josKleinian. Fixed bug #627
• OpenCL: Corrected displaying of total rendering time when DOF is used
• OpenCL: Added more logging to OpenCL launching code.
• Effects: Added rectangle, circle, cube and sphere shapes to "fake lights" algorithm
• Effects: Added "thickness" parameter for "fake lights"
• Effects: Added reduction of stereoscopic effect on poles when is used equirectangular projection
• Effects: Swapped eyes in top-bottom mode (default was incorrect when uploaded into Youtube)
• Effects: Added button "Calculate optimal distance between eyes" for stereoscopic rendering
• Effects: Fixed bug in openCL multi-ray AO #634. When iterThreshMode was enabled, the detailLevel parameter was still used.
• Effects: Added elimination of calculation of DOF at pixels with zero distance
• Settings: Corrected loading of settings with animation containing parameters with names *_x, *_y, *_z, which are not vectors
• Files: Added saving metadata (scene parameters) into image files.
• Files: Fixed bug #637. Now files from _alpha and _zbuffer directories are deleted.
• Files: Added saving 8-bit JPG z-buffer
• UI: Corrected behavior of "Default window layout"
• UI: Disabled auto-refresh before settings are loaded (fixed problem with partial loading of settings)
• UI: Better handling for "Material is not defined" problem. Fixed issue #636
• UI: Added displaying of path to log in Preferences.
• UI: Added option to enable/disable rendering of thumbnails (used in load settings file selector)
• UI: Fixed bug #654. Now central widget is not hidden when rendered image is detached.
• UI: Fixed problem with unwanted repeating of rendering after mouse dragging.
• Fractals: Added advanced controls for raymarching step calculation.
• MacOS: fixed OpenCL compiler errors caused by missing line breaks after last lines of code
• MacOS: Eliminating error on MacOS: Critical: OpenCl ERROR: "Device #0: cl::CommandQueue()" ( -30 )
• MacOS: in mac/build_deploy.sc corrected copying of share folder (now default textures works)
  This change doesn't have impact on rendering speed.
• Compilation: Added 'make install' option for qmake
• Compilation: Added support for running Mandelbulber as portable application under Linux
• Compilation: Added continuous integration for AppImage
• Compilation: Fixed bug #655. Corrected paths tof doc and data in prepare_for_dev* scripts