50 Commits

Author SHA1 Message Date
Lawrence37
f06e756c20
AWB non-raw file fixes (for 5.10) (#6940)
* Improve Itcwb with non-raw files

* Change pre-dev builds wbrefinement

* Change template in pre-dev

* Improvment improccordinator.cc

* Forgotten observer convert

* Reenable wbauto autogrey as 5.8

* Remove wrong code

* Missing getrgbloc references

* Fixed bug due to bias in queu with temperaure correlation issue 6911

* Simpleprocess queue compatibility tif-jpg

* Preserve AWB edits from 5.9

In 5.9 for non-raw files,
   1. RGB grey uses the unit multipliers with temperature bias applied.
   2. Temperature correlation uses the equivalent of temperature 5000,
      green 1, and red/blue equalizer 1.

* Refactor temperature correlation AWB code

* Fix inaccurate RGB grey WB preview after using ITC

The RGB grey automatic white balance algorithm caches the multipliers.
Temperature correlation automatic white balance also caches results to
the same location, but never uses it. This causes the RGB grey method to
produce incorrect results in the editor. Removing the temperature
correlation cache fixes the issue and does not have side-effects.

---------

Co-authored-by: U-PCSPECIALIST01\jdesm <jdesmis@gmail.com>
2024-02-01 22:41:56 -08:00
Lawrence37
ac48cc55d8
Better use of cache with inpaint opposed highight reconstruction (#6822)
* Speed up preview when inpaint opposed enabled

Only reprocess from raw if the white balance is changed. Otherwise, a
cache from later in the pipeline can be used.

* Remove unused code

* Fix refresh map bit positions

* Make WB & inpaint opposed refresh less brittle

Co-authored-by: Hombre57 <natureh.510@gmail.com>

---------

Co-authored-by: Hombre57 <natureh.510@gmail.com>
2023-08-15 07:52:38 -07:00
Desmis
8d0333120e
Research and development - WB auto -temperature correlation - tests - finding the optimum settings (#6643)
* Change estimchrom estim hue final

* Itcw observer checkbox

* 8 spectral colors

* 11 spectral colors

* 6 spectral colors

* Small change to correction green

* Fixed various bad behavior - settings itcwb_deltaspec

* 4 spectral colors green

* 3 green spectral colors

* 3 spectral colors green

* 5 spectral colors red green

* 3 spectral colors red green

* 3 spectral colrs green red

* Chnage slider choice deltaE - to size color patch

* display more info in console

* Display more info in console - comment code

* Clean - comment code

* 8 spectral colors green red

* 8 spectral colors blue

* 8 spectral colors blue

* 3 spectral colors

* 6 spectral colors

* 4 spectal colors

* 2 spectral colors

* Eliminate high Y - increse temp iteration - recenter selection inside patch

* compatibility 5.9

* Modify dislay and place selected dats in patch

* Dispaly in console hue chroma image selection

* First optimization

* optimization code - clean unused variables

* Remove sorted in chroma order - some others changes

* 5.9 compatibility

* Clean and optimize code

* Clean code - more display info in console

* More info in console - set itcwb_minsize in option

* Display patch chroma in GUI

* Change some default settings

* Minsize patch GUI

* Display GUI patch size

* Chroma patch variations

* Display in GUI min and max dats found in patch

* Some adjustments

* Remove too low datas in patch

* Various improvment - ponderate

* Clean code colortemp comment spectral datas

* Comment code - correc gren

* Comment and refine code

* Fixed bug in improcoordinator

* fixes a malfunction of AWB bias in improcoordinator

* Various improvments - clean code

* 2 improvments green and find patch

* Allows parametrind ponder and Ypurple in options

* Update autowb - filter on magenta purple

* Clean and optimize code

* Read colors in GUI

* Denoise median 5x5 image datas before Itcwb

* Change to GUI

* Replace median5x5 by 2 median3x3 - clean GUI code

* Work around to recalculate wbauto

* Remove work around - change params->wb related change

* Disabled low_sampling 5.9

* First try for compatibility Low sampling 5.9

* Re-enable WB autogrey

* Change reference image to autogrey if camera settings probably out

* Clean code aand adjust settings camera out

* Format astylert rawimagesource.cc - various small adjustments

* Small correction

* Small green correction

* Change default settings - correction to autowb bias in improccoordinator

* Save provisory work

* Save provisory work 2

* Try to find good tempitc with iterate when temptitc very different 5000K

* Change 2 default settings

* Work around awb temp bias

* Limit work around bias - small other changes

* 3 spectral colors deep blue

* 4 spectral color deep blue

* 4 color spectral yellow

* 5 spectral colors neutral red-magenta

* 5 spectral color neutral red magenta

* Change threshold tempitc

* 5.9 compatibility

* Work around bad claculation Planck's formula

* Fixed bad behavior when using blackbody spectal

* 6 spectral color - checkbutton remove 2 passes

* Fixed various bugs

* Format rawimagesource.cc

* Various improvment before to find the good selection

* First new optimization (perhaps?)

* Display GUI patc deltaE

* Various optimzation and tooltip

* Default observer 2°- Simplify GUI - improve display GUI - remove too low numbers datas

* 4 spectral colors - change 2 settings

* Change calculation threshold 2 passes

* 6 spectral colors magenta

* 13 spectral colors

* Improvment GUI display

* remove checkbutton no_purple

* 2 spectral colors - remove in GUI low sampling 5.9

* Change default setting display in console

* Change behavior when temp near stdA

* 4 spectral colors - settings Itcwb_tempstdA

* Gamut control on image histogram

* Clean code and format rawimagesource.cc

* Comment and format colortemp.cc

* Remove unused fileds from GUI - change tooltips

* Add tooltips

* Various changes

* Change settings when camera temperature is out

* improvment extra and tooltip

* Small change when using auto grey as start reference

* Remove itcwb_fgreen from GUI

* Various change - and 'unsatisfactory' test to take into account Custom

* Change second temp when < 4000 - replace automatic by automatic and refinement

* Neutralize 'Use custom tempertaure and green'

* Green refinement

* Clean code - small changes

* Other clean code

* Added forgotten itcw_green in procparams.cc

* Fixed a bug dispaly deltaE

* Change threshold settings - change code for Custom

* various change in case of using camera settings

* Change way to estimate range green

* clean code and message in console

* Clean and optimize

* Disable 2 passes if custom

* Improve GUI 2 passes

* Increase sampling and number of temperature above 9400K

* Hide AWB temperature bais and green refinement when Custom temerature ans green

* marks out the code with past time markers

* Improve time processing with spectral colors temp calculations

* Replace in console msec by nsec

* Scan temp 5.9

* Change max temp and behavior if temp > 15000k

* Refine temp near 14000K

* Increase sampling temperature 132 to 167

* Increase sampling temperature

* Set in preference choice for itcwb_custom

* White point calculated  with observer instead of table

* More on whitepoint calculation - informations

* Clean and format code with astyle colortemp.cc rawimagesource.cc improccoordinator.cc

* Small change tooltip

* Improve update auto-wb

* Remove 'use custom temperature and tin' - simplify sampling to 2 choice

* Small change to rand AWB bias - green refinement - tooltips

* slightly modify the parameters upstream of the algo - do not use camera in some cases

* Mixed initial green

* Refine init green and temp when no camera

* Refine temp and green in do not use camera settings

* Change tint threshold and various improvments (tooltips, wrong values..)

* Refinment and clean code

* Improve mode No use camera settings

* Init nocam

* Refine use no camera  settings

* Small change

* 5.9 compatibility - and format

* Refine sampling temperature  around 7000 - 8000K

* Format astylert rawimagesource colortemp

* 5.9 settings

* 5.9 settings 2

* Various change - 5.9 - format

* Improve pre and post algorithm

* Fixed correction temp > 8000K

* Fixed bad behavior Tppat.minchroma

* Change sampling choices and tooltip

* Change name wp wp2 wip to wb wb2 iwb to avoid misunderstood

* Small Change settings - limit display studgood to 0.0001

* Improvment display GUI temp

* Change default sampling

* Change ACESP0 to JDCmax

* Improve GUI abstract profile

* Allows dispaly in console xy values thanks to Reffort

* Remove bruce rgb in wp and abstract

* Change wp abstract and save itcwb with dispaly cellxy

* Change prim = 13 improccoordinator iplab2rgb

* remove display datas in console - fixed wrong display Y xyY

* Fixed ifferences in GUI maxhist minhist

* Change limits x y in function sampling

* fixed a dizziness

* Change  after algorithm rule when temp > 6000K

* Harmonize limx limy for oldsampling 5.9

* Added Cam xyz matrix to sampling - thanks to Reffort

* Display in console xyz matrix

* Forgotten instruction when mix camera and autowb grey

* Change rgbloc with Camera matrix Dcraw when no input profile

* Change rep to repref in rgbxyz

* Remove message in console

* 5.9 compat

* 5.9 compat 2

* 5.9 compat 3

* 5.9 compat 4

* 5.9 compat 5 format

* 5.9 compta 6

* Improve code

* Diasble itcwb_sampling in GUI

* Comment code

* Clean and comment code

* 5 spectral colors

* 9 spectral colors

* 2 spectral colors

* Various improvments

* 5 spectral colors

* 5 spectral colors

* First changes review lawrence37

* Second changes review Lawrence37

* 3rd changes review Lawrence37

* 4th changes review Lawrence37

* Change windows and appimage yml

* Re-enable Rtv4_Bruce in procparams.cc

* test for 5.9 compatibility

* Try to fixed crash

* Slightly improve the management of 5.9

* test for 5.9 compatibility by passing parameters via the GUI

* Forgotten parameter

* Change ref_spec limit and remove pac_start for itcwb_sampling

* Puts back the old Planck formula - the same as in dev

* Revert "test for 5.9 compatibility by passing parameters via the GUI"

This reverts commit d6b5a8feda31b93a5574cee6ebf4d3e9d58bbcfb.

* Switch to new ITCWB only when changing WB method

Prevents sudden changing of the white balance if ITCWB is selected and
the image is reopened.

* Fix spelling in comment

* Suggested change from Lawrence37 to whitebalance - small change to improcoordinator

* tempbias Set_sentive(false) if itcwb_smapling - clean whitebalance

* Another clean whitebalance.cc

---------

Co-authored-by: Lawrence Lee <45837045+Lawrence37@users.noreply.github.com>
2023-08-06 13:44:48 +02:00
Desmis
69c1caafa1
Whitebalance - Removed GUI Itcwb from whitebalance and preferences (#6710)
* Change Preferences for observer whitebalance

* Change label white balance preferences

* Added Preferences 2 parameters Whitebalance auto correlation

* Add Preference Temperature correlation - sort and tooltip

* Change to rtengine cmakelist

* Apply patch from Lawrence37

* Small comment code

* Change defaut order prefrences wba

* Added force extra algoritm to Preferences

* Harmonize itcwb sorted

* Add fields to Preferences Itcwb

* Change settings precision Itcwb in Preferences

* Change tooltip Itcwb preferences

* First stage Itwcwb settings in main with pp3 and selction in preferences

* Second stage Itwcwb settings in main with pp3 and selction in preferences

* Third stage Itwcwb settings in main with pp3 and selction in preferences

* Add itcwb_fgreen student - green optimize

* Add Itcwb green range

* Itcwb history msg - first tooltips

* Remove force-extra because always used

* reused force-extra to use entire CIExy for sampling datas

* Removed inwanted text in console

* Set sensitive for Itcwbframe

* Various change - comment ..

* Small code review - chnage tooltips

* Remove settings itcwb_delta in Rawimagesource.cc to simplify

* Remove Itcwb Observer - put a single observer for everything - general - itcwb

* Fixed conflicts in colortemp.cc

* Various change - fixed bug - simplify

* Fixed limits for settings pp3 - chnage tooltip

* Clean unused code

* Put itcwb_findgreen in GUI

* Added checkbox 'Low sampling' to find the settings of 5.9

* Set Observer to Observer 10° - preferences default

* Missing setting Low sampling

* Show white balance multipliers

* Change default settings - Itcwb_sorted

* Move observer from preferences to WB

* Make observer selectable for camera WB

* Ensure observer checkbox is in sync with PP3

* Set default ITCWB low sampling for PP3s from <=5.9

Ensure temperature correlation white balance algorithm 1 is used when
opening edits from versions 5.9 and earlier.

* Removed unused White-balance frame in Preferences

* Comment some GUI sliders checkbox

* Removed all GUI itcwb in preferences and whitebalance

* Removed forgotten code in preferences

* Remove labels tooltips history Itcwb

---------

Co-authored-by: Lawrence Lee <45837045+Lawrence37@users.noreply.github.com>
2023-03-19 07:47:58 +01:00
Desmis
e5d46032ff
Add "Inpaint opposed" to Highlight reconstruction and improved Itcwb (#6635)
* Essai HL

* Try Inpaint opposed

* Code improvment

* Add file

* Improvment to process inpaint opposed  and color propagation

* Clean code

* Change Blend to Coloropp in Profile pp3

* Enable BENCHFUN hilite_recon

* Clean rtengine cmakelist

* Comment unused code

* Neutralise unused code

* Change bad Exposure in Pop2Lab.pp3

* Try to fix bug when Inpaint Opposed is used and White balance disabled

* Changes to refreshmap

* Change to improccoordinator M_RETINEX

* Clean unused commented code

* Force Inpaint-opposed in rawimagesouce if wb change

* Suppressed message in console

* Change events and limits to 1 the number of calls to inpaint-opposed

* Comment code

* Add gain theshold to inpaint opposed

* fixed typo in procparams.cc

* Change in option.cc itcwb_sort to true

* Change itcw sorted in options and rawimagesource.cc

* Change sampling read datas Itcwb

* Allow or not purple in WB itcwb

* Added option icwb.nopurple to bypass settings

* Added code comment Itcwb

* optimize Itcwb between green and student

* Formated code used by Itcwb with Astylert.bat

* Change color_match - thanks to Lawrence37

* Remove wrong text
2023-02-09 07:14:20 +01:00
Ingo Weyrich
8d29d361a8
Support dnggainmap (embedded correction) for Bayer files (#6382)
* dng gainmap support, #6379
* dng GainMap: control sensitivity of checkbox, #6379
* dng GainMap: partial paste
* dng GainMap: moved isGainMapSupported() from dcraw.h to dcraw.cc
* RawImageSource::applyDngGainMap: small speedup
* Change GUI to separate gainmap from other flat-field; also reorder checkbox

Co-authored-by: Thanatomanic <6567747+Thanatomanic@users.noreply.github.com>
2023-01-02 21:30:06 +01:00
rom9
e635030650
FilmNegative: non-raw file support and better accuracy (#5798)
* Added support for non-raw files to the film negative tool. The tool is now under the "Color" tab. Moved the entire filmneg code downstream, right after input profile conversion.
Usage changes a bit: White Balance must be set to the _backlight_ color temperature. Added two more sliders to color-balance the picture after negative inversion. Legacy inversion method kept for compatibility with processing profiles saved by RT v5.7 or 5.8 (only if Film Negative was enabled). Should be removed in a future version.
There is still an issue with DCP profiles that need the look table to be active to work properly. Using a simple matrix input profile (or just camera standard) is recommended for now.

* The user can now choose to perform inversion before or after input colorspace conversion.
Seamless backwards compatibility with previous processing profiles; upgrading from a previous version now gives an (almost) identical output as before.
Generalised the concept of film base values: the processing profile now contains a pair of RGB triplets, "reference input" and "reference output", which makes it much more straightforward to compute the output multipliers.

* Added support for `RGB` data type to putToKeyFile, removed the now unused `RGB::toVector()` method. Some cleanup.

* Spot balance picker now stays active indefinitely. Can be disabled by right-clicking, too.

* Removed film negative from `filterRawRefresh` condition, since the new version does not require raw rendering anymore.

* The Output Level slider is now exponential, so it should feel more familiar to use (similar to the exposure compensation slider).

* Removed old `RedBase`, `GreenBase`, `BlueBase` keys from the PP3 file after params upgrade. Keys are only kept if the file only undergoes batch edit (hence no params upgrade was done).

* Made the balance sliders exponential and centered at zero. Now they should be a bit smoother and possibly more user-friendly.

* Changed adjusters' step to more useful values, they were too fine-grained and hard to adjust using the +/- spinbutton.
Increased max ratio value from 3 to 5, as i found an old negative needing a very high blue channel exponent.

* Added an initial processing profile for film negative inversion, to be provided as a bundled profile.

* Removed Output Level and balance sliders when in batch mode: since the effect of these sliders is dependent on the reference input values, those values needed to be copied as well. And, touching any of the sliders needed to flag all three as dirty. All this felt more confusing than useful.
It should be sufficient (and clearer) to copy/paste the params, and then fine-tune the balance on individual pictures when needed.

* Set bayer demosaic method to RCD in the bundled "Film Negative" processing profile. RCD seems to play a bit better with Capture Sharpening in the presence of film grain, compared to Amaze.
This will favor new users starting with all-defaults settings, hence having Capture Sharpening enabled by default.

* Removed incorrect "contrast" term from the "Reference exponent" label. This parameter adjusts the image _gamma_, not its contrast.
2020-11-21 13:29:47 +01:00
Ingo Weyrich
d0034c880b further cleanups and speedups for ItcWB/getrgbloc 2020-03-01 11:50:58 +01:00
Ingo Weyrich
f7792aa936 some cleanups 2020-02-27 21:22:34 +01:00
Ingo Weyrich
278f9d019e Fix clang warnings 2020-02-25 17:09:27 +01:00
Desmis
e8986731e8 merge with dev 2019-11-07 08:09:21 +01:00
Flössie
add5c790d6 #pragma once for our headers plus drive-by formatting 2019-10-31 10:20:50 +01:00
Ingo Weyrich
3aa84c48da Forward declare ColorTemp 2019-10-29 12:33:14 +01:00
Ingo Weyrich
e92a99350b Forward declare Image8 2019-10-29 11:44:00 +01:00
Ingo Weyrich
20726d5bfe Forward declare Imagefloat 2019-10-28 20:01:16 +01:00
Desmis
9e9d0cd503 merge with dev 2019-09-17 11:11:43 +02:00
Ingo Weyrich
4079bb9920 Capture Sharpening: automatic radius calculation 2019-09-11 18:56:07 +02:00
Desmis
40da546cf8 merge with dev 2019-09-11 12:45:32 +02:00
Ingo Weyrich
ba43437220
Merge pull request #5445 from Beep6581/capture_sharpening
Merge Capture sharpening into dev to get more tests
2019-09-10 19:27:01 +02:00
Morgan Hardwood
60b2196bce Updated gnu.org links to use HTTPS 2019-09-10 12:34:57 +02:00
Ingo Weyrich
f882309f59 capture sharpening: own compilation unit, smooth progressbar, #5412 2019-08-30 14:45:45 +02:00
Ingo Weyrich
7b3c50bc31 Capture sharpening: auto contrast threshold 2019-08-17 15:18:24 +02:00
Ingo Weyrich
8421f8780a capture sharpening: contrast threshold 2019-08-15 20:40:32 +02:00
Ingo Weyrich
506254ce46 capture sharpening: first mockup 2019-08-14 17:19:26 +02:00
Desmis
7ac9629a7e Some improvments 2019-06-26 06:47:19 +02:00
Desmis
5dbc61579d Save provisory work for autowb ITCWB 2019-06-25 13:56:52 +02:00
heckflosse
2d167d923b Reduce peak memorey usage for processing non raw files in queue by width * height * 3 * bytedepth, #5170 2019-02-13 00:36:57 +01:00
heckflosse
831e18ca45 Add override keyword. Thanks @Floessie 2018-11-22 16:19:16 +01:00
George Hilliard
ec814dbf05 FramesData: Don't leak allocated frames, and remove unused functions
Valgrind report:

```
14,960 (11,544 direct, 3,416 indirect) bytes in 37 blocks are definitely lost in loss record 20,483 of 20,540
   at 0x4837DEF: operator new(unsigned long) (vg_replace_malloc.c:334)
   by 0xC06963: rtengine::FramesData::FramesData(Glib::ustring const&, std::unique_ptr<rtengine::RawMetaDataLocation, std::default_delete<rtengine::RawMetaDataLocation> >, bool) (imagedata.cc:1121)
   by 0xBD774F: rtengine::DFManager::addFileInfo(Glib::ustring const&, bool) (dfmanager.cc:380)
   by 0xBD6E90: rtengine::DFManager::init(Glib::ustring) (dfmanager.cc:303)
   by 0xC3EC5D: rtengine::init(rtengine::Settings const*, Glib::ustring, Glib::ustring, bool) [clone ._omp_fn.0] (init.cc:93)
   by 0x897CABD: gomp_thread_start (team.c:120)
   by 0x89B7A9C: start_thread (in /usr/lib/libpthread-2.28.so)
   by 0x8ACCB22: clone (in /usr/lib/libc-2.28.so)
```
2018-11-02 03:07:07 -05:00
heckflosse
ac700502db Flat field: Show auto calculated clip control value in ui 2018-10-24 00:49:51 +02:00
heckflosse
84f46eaab6 Add flat field correction for monochrome raw files 2018-03-09 14:51:28 +01:00
heckflosse
d5ceb850f3 Make compilation unit rtengine/rawimagesource.cc -Wextra clean, #4155 2017-10-22 13:43:28 +02:00
Hombre57
dfe40677e2 Fix coverity issue 2017-10-13 23:25:24 +02:00
Hombre57
86dac147c6 Adding icons on thumbnails and solving a bug in cacheimagedata.cc
See issue #4008.
The bug in cacheimagedata.cc was preventing correct cached thumbnail
loading, asking for a full processing at each loading of the directory.
2017-08-13 18:13:39 +02:00
Hombre57
1a296b763f Correction as discussed in commit review (see also issue #4008) 2017-08-10 00:50:26 +02:00
Hombre57
f23be9345c Add multi-frame handling.
- Exif of all frames are displayed in the Editor's Exif tab (without
separator)
- isHDR and isPixelShift is added to the data files stored in cache
- In the Editor panel, the QuickInfo frame display the HDR and
PixelShift information, as well as the number of frame and bit-depth for
HDR image
- the number of frame is provided by dcraw. If not set, it is provided
by the Exif's main IFD count
- the PixelShift information (for Pentax as of now) is provided by
looking at the Exif informations
- the HDR information is provided by the Exif information of the first
frame for Pentax raw files, or by the bitspersample, sampleformat and
compression tags for other files

TODO: add icons to the thumbnails to tag HDR and PixelShift files.
2017-08-08 23:42:05 +02:00
heckflosse
6e55f6bab5 Fixed a lot of issues reported by cppcheck 1.78 2017-04-08 22:41:46 +02:00
heckflosse
9bb5164cce allow translation of demosaic methods; hide Sub-Image selector for files with onyl 1 raw file; ... 2017-03-22 14:13:51 +01:00
heckflosse
d570459f1e Fixed bug in last commit when image was rotated 2017-02-05 19:03:34 +01:00
heckflosse
812bf40d17 Show raw values in navigator when demosaic 'none' is used 2017-02-05 16:06:57 +01:00
heckflosse
89901f4b36 reworked pixelshift code and temporary removed Fuji S5 dual frame support 2016-11-03 00:01:47 +01:00
Hombre
d8593469ee Adding 'Image Number' to the Bayer Raw tool 2016-11-02 02:06:40 +01:00
Flössie
0bbc84b2af Merge branch 'master' into clang-tidy 2016-10-18 17:48:50 +02:00
heckflosse
3625643392 Cppcheck: Fixed bug from last commit. Also added some new fixes 2016-10-13 17:37:08 +02:00
Flössie
0731975ff0 Apply modernize-use-nullptr
Setup:
- `mkdir tidy; cd tidy`
- `cmake .. -DCMAKE_BUILD_TYPE=debug -DPROC_TARGET_NUMBER=1 -DCACHE_NAME_SUFFIX=4 -DBINDIR=. -DDATADIR=. -DBUILD_BUNDLE=ON -DWITH_LTO=OFF -DOPTION_OMP=OFF -DCMAKE_EXPORT_COMPILE_COMMANDS=ON`
- `cd ..`
- `find -name '*.cc' -exec clang-tidy-3.8 -header-filter=.* -p=tidy -fix-errors -checks=modernize-use-nullptr {} \;`
2016-10-12 17:48:40 +02:00
heckflosse
5c14573be7 cleaned code a bit, also added a small speedup 2016-05-08 23:16:23 +02:00
heckflosse
643a9e7d54 added a file I forgot at last commit 2015-10-02 23:01:56 +02:00
DrSlony
0e0cfb9b25 Formatted all .cc and .h code in rtengine, rtexif and rtgui using astyle 2015-08-11 11:55:03 +02:00
torger
b2836b388f Issue 2850: normalized RGB-pipeline curve gammas to sRGB, make curve algorithms operate on linear image data 2015-07-23 21:34:00 +02:00
torger
d5ca351c20 Issue 2134: removed obsolete raw highlight preservation setting from GUI (still left in procparams for backwards compatilibility) 2015-07-10 12:00:36 +02:00