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Author Topic: compiling Kalles Fraktaler with mingw  (Read 6338 times)
Description: success report
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claude
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« Reply #135 on: November 24, 2017, 02:41:42 PM »

minimize the kf-window

Yes minimizing is known to cause issues like blank frames when rendering unfortunately sad  Workaround for now is "don't do that", which isn't very satisfying.

Next release will probably be some time next week.
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claude
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« Reply #136 on: November 24, 2017, 04:31:53 PM »

Actually I had some spare minutes so I uploaded the release: https://mathr.co.uk/kf/kf-2.12.6.zip https://mathr.co.uk/kf/kf-2.12.6.zip.sig no time to announce formally until next week, check the txt or pdf for changes...
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CFJH
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« Reply #137 on: November 25, 2017, 01:50:18 PM »

Hallo,

Thx for the upload.
Currently I'm testing with the version and found two bugs ...

1, I've rendered a zoom out from my test projekt. Here I found some images, that are shifted and and does'nt match to the rest. (see attachment). This is reproducable but only in the kontext when rendering the zoom out images. My setup for the test rendering was the following
 - load the file "00001_1.07e2640.jpg"
 - set special -> reuse reference
 - set actions -> zoom size -> 32
 - file -> store zoom out images
 - Ignore warning about zoom factor
 - in the (new) save dialog check only to store the jpg-images

ps: the problem only occurs, when 'reuse reference' is activated!

2. In the new store...-dialog the auto stop function does'nt work. Checking the checkbox and entering 5 images (for example) it does'nt stop.



* x00001_1.07e2640.jpg (22.88 KB, 640x360 - viewed 45 times.)

* x00002_3.34e2638.jpg (22.52 KB, 640x360 - viewed 74 times.)

* x00002a_3.34e2638.jpg (22.41 KB, 640x360 - viewed 46 times.)

* x00003_1.04e2637.jpg (21.8 KB, 640x360 - viewed 55 times.)
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claude
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« Reply #138 on: November 25, 2017, 07:45:58 PM »

ps: the problem only occurs, when 'reuse reference' is activated!

I guess this is the same bug reported by Dinkydau that translating location doesn't work properly when reuse reference is active. I don't know what to suggest apart from "disable reuse reference", which isn't satisfying.  I'll add this variation to the BUGS list soon.

Quote
2. In the new store...-dialog the auto stop function does'nt work. Checking the checkbox and entering 5 images (for example) it does'nt stop.

Oh! Bad user interface design on my part - checking the checkbox disables the number box (manual count) and uses automatic (when zoomed out) stop.  I should make checking the checkbox grey out the number box or something.  To use a manual count in the number box the checkbox should be unchecked.
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CFJH
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« Reply #139 on: November 26, 2017, 12:10:00 AM »

I guess this is the same bug reported by Dinkydau that translating location doesn't work properly when reuse reference is active. I don't know what to suggest apart from "disable reuse reference", which isn't satisfying.  I'll add this variation to the BUGS list soon.

I've tested with some oder versions and found out, that V2.12.5 and 2.12.6 are producing the error in exact the same way. V 2.12.14 does'nt produced the error (not with the test sequence posted above - maybe at other images)
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claude
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« Reply #140 on: November 27, 2017, 08:06:18 PM »

I've tested with some oder versions and found out, that V2.12.5 and 2.12.6 are producing the error in exact the same way. V 2.12.14 does'nt produced the error (not with the test sequence posted above - maybe at other images)

Ok I found out a workaround:

1. launch kf
2. deselect "special -> auto solve glitches"
3. load your parameter file
4. select "special -> reuse reference"
5. select "zoom size -> 32"
6. select "store zoom out sequence"

Step 2 ensures that the primary reference at the center of the image is used, rather than the last reference calculated during glitch correction, which was way off center in this location, causing the reuse-reference view-translation bug to have visible effects.
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Kalles Fraktaler
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« Reply #141 on: November 30, 2017, 03:29:40 PM »

Sorry for not being active for a while
I downloaded the latest version and I think it is excellent that you have solved the N-R issue on very deep locations near <-2,0i>
If I may have a wish, I would like to have back the guessing function, which speeds up some locations a lot, especially when minibrots are visible.

Otherwise excellent work! smiley
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« Reply #142 on: December 01, 2017, 06:11:43 PM »

I suggest a checkbox with the guessing option.
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Dinkydau
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« Reply #143 on: December 05, 2017, 12:07:38 AM »

Why was guessing removed? I think it can be done regardless of how the not guessed pixels are computed.
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claude
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« Reply #144 on: December 05, 2017, 12:19:54 AM »

There is a race condition somewhere that results in random speckles at low zoom levels (and probably others, but most visible there).  Disabling guessing seemed to fix it.  I'll re-enable guessing with a checkbox in the next release. EDIT implemented it.  I do indeed see the big speedup with guessing enabled when large interior regions are visible.
« Last Edit: December 05, 2017, 01:05:23 AM by claude, Reason: done it » Logged
Kalles Fraktaler
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« Reply #145 on: December 06, 2017, 09:21:10 PM »

There is a race condition somewhere that results in random speckles at low zoom levels (and probably others, but most visible there).  Disabling guessing seemed to fix it.  I'll re-enable guessing with a checkbox in the next release. EDIT implemented it.  I do indeed see the big speedup with guessing enabled when large interior regions are visible.

That is excellent.
Please make it available smiley
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claude
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« Reply #146 on: December 08, 2017, 01:03:34 AM »

I couldn't resist to release kf-2.12.7 on 2017-12-07.  Well, I almost made it on time... Changes:

* renabled guessing conditional on menu option (was disabled in 2.12.4 as enabling it made some random speckles, possibly due to a race condition) (requested by Kalles Fraktaler and Fractal universe)
* added "threads per cpu core" setting
* compiles clean with -Wwrite-strings
* even lower resolution preview for more intensive locations (suggested by Foxxie) (implemented with Adam7-style interlacing with circular sorting)
* copy (Ctrl-X) and paste (Ctrl-V) parameters from the system clipboard
* fixed hang crash bug when normalizing smooth iteration values
* use interval arithmetic ball-period method instead of box-period (speeds up Newton-Raphson zooming a bit) (idea from knighty and gerrit)

available as usual from https://mathr.co.uk/kf/kf.html
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Kalles Fraktaler
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« Reply #147 on: December 08, 2017, 12:31:04 PM »

Excellent, thanks a lot smiley
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