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Author Topic: Kalles Fraktaler 2.9 and KFMM 1.30  (Read 2763 times)
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Kalles Fraktaler
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« on: July 07, 2015, 10:11:15 PM »

I have uploaded a new version that I have been playing with for a while.

* I have tried to make the zooming experience similar to Fraktal Extreme by zooming centered to the mouse pointer when using the mouse wheel or +/- keys.
* I implemented arbirary zooming from an old request - hold the Control key and use right mouse botton to make an arbitrary track rectangle.
* When using animated zooming, simple left click behaves as FX and dragging the view.
* Animated zooming can be disabled, which changes to the old behaviour of mouse click etc.
* I also implemented arbitray size ratio of the window. This is disabled as default.

I had some ideas of movies that I wanted to realize.

First, I wanted to combine slopes and rotating side scrolling to emphasize slope shadows:
<a href="https://www.youtube.com/v/Sbu767eDDDg&rel=1&fs=1&hd=1" target="_blank">https://www.youtube.com/v/Sbu767eDDDg&rel=1&fs=1&hd=1</a>

I also got a excellent suggestion from chillheimer to use timestamps instead of "Movie frames per Key frame" for speed. This movie tries to synchronize with slow and fast parts in the music. However, since I realized the acceleration from slow to fast takes "long" time I should have offset that speed change one second earlier:
<a href="https://www.youtube.com/v/LlLHaCocjHE&rel=1&fs=1&hd=1" target="_blank">https://www.youtube.com/v/LlLHaCocjHE&rel=1&fs=1&hd=1</a>

I also wanted to implement Distance Estimation.
This is actually a cheat that is related to slopes, so no derivative is calculated because I don't know how to do derivative with perturbation
<a href="https://www.youtube.com/v/NKwkujUkMr0&rel=1&fs=1&hd=1" target="_blank">https://www.youtube.com/v/NKwkujUkMr0&rel=1&fs=1&hd=1</a>

All functions in the dialog boxes are now explained with tool-tips.
Since the test department is on holiday, there may be bugs wink
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Chillheimer
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« Reply #1 on: July 08, 2015, 10:25:52 AM »

scrollwheel-zoom rocks! feels great!
and finally drawing a box in the size you desire! thats so perfect! been looking forward to this a long time! cheesy  and dragging! woohoo! all this combined really makes the navigation so much better. mission accomplished!
one small thing:
rectangle drawing: would it be hard to change it so that the point where you first click is the centre of the opening rectangle and not one corner? you click on the detail you want in the center and then you determine the size of the box around it. seems more intuitive for me..

mouse overs in the moviemaker are really helpfull!

time-sync in moviemaker! yeah!  now if we had this for cycling as well...  wink

your program really has come a loong way.. smiley
keep up the great work! (whenever you feel like it wink
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Sockratease
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« Reply #2 on: July 08, 2015, 11:01:07 AM »

I'll admit that I put KF down when I found navigation too unpleasant without these new features, so am looking forward to picking it back up now   afro

When drawing a rectangle, and I have not tried it yet, but does it allow for moving and resizing the rectangle after it is drawn?  That is the most important part of drawing an arbitrary zoom thingy!

Glad to see the custom aspect ratio too - another reason I stopped playing with KF is no longer an excuse   police

Does window/image size save with files now?  When deep zooming I use teeny tiny itsy bitsy windows for faster rendering, but when opening those old files they always open with larger windows.  Another thing to consider..

Thanks for the updates as I am certain some of those requests were mine  (thought others may well have also requested them either before or after I did!).  Guess I'll go download the new version and play a bit...
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Chillheimer
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« Reply #3 on: July 08, 2015, 11:36:10 AM »

Does window/image size save with files now?  When deep zooming I use teeny tiny itsy bitsy windows for faster rendering, but when opening those old files they always open with larger windows.  Another thing to consider..
I don't think so, but as workaround load your pictures and hit "escape" right after, so it won't compute the whole thing. then change the imagesize and press f5..
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Kalles Fraktaler
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« Reply #4 on: July 08, 2015, 12:16:46 PM »

Thanks a lot smiley

I have never considered storing the size of the window or the background image.
I put a lot of efforts preserving the skew so that you can open a hard skewed location in non-standard aspect ratio smiley

Track rectangle could indeed begin from center.
Unfortunately as soon as you release the mouse the zoom is performed. Currently... wink

scrollwheel-zoom rocks! feels great!
Press the '+' button on your keyboard and keep it pressed for a while. Realtime zoom animation! (until you get too deep wink )
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« Reply #5 on: July 08, 2015, 12:25:42 PM »

Press the '+' button on your keyboard and keep it pressed for a while. Realtime zoom animation! (until you get too deep wink )
hm, results in ultra fast jumps in the set zoom size - do I have to activate 'floating' zooming somewhere?
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Chillheimer
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« Reply #6 on: July 08, 2015, 01:19:22 PM »

However, since I realized the acceleration from slow to fast takes "long" time I should have offset that speed change one second earlier:
so if you enter a time like 4:33 now it results in the speed change starts at 4:33 and ends later, depending on what happened before?
how about using the time es endpoint for the speed-change instead of startpoint?
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« Reply #7 on: July 08, 2015, 03:51:42 PM »

Nice update, and thanks for updating the histogram. I'll try to figure out how to use the moviemaker. The update to the zooming is very nice.
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Kalles Fraktaler
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« Reply #8 on: July 08, 2015, 05:15:36 PM »

hm, results in ultra fast jumps in the set zoom size - do I have to activate 'floating' zooming somewhere?
Is menu "Actions->Animate zoom" checked?
so if you enter a time like 4:33 now it results in the speed change starts at 4:33 and ends later, depending on what happened before?
how about using the time es endpoint for the speed-change instead of startpoint?
Currently the speed change start on/after the time stamp.
So yes, the speed change should happen before.
It might be difficult though...

However, if "Skip render" is checked, you will be able test the render rather quickly also with speed changes.
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« Reply #9 on: July 09, 2015, 05:05:35 AM »

I've made some test-renders for the histogram and everything seems to be right except the slopes I tried to add those but they dont show up when using the new moviemaker.

Edit: they do show up but not if the final movie is smaller than the rendered frames.
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Kalles Fraktaler
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« Reply #10 on: July 09, 2015, 01:05:20 PM »

I've made some test-renders for the histogram and everything seems to be right except the slopes I tried to add those but they dont show up when using the new moviemaker.

Edit: they do show up but not if the final movie is smaller than the rendered frames.
Slopes cannot be combined with distance estimation...
Some parameters are not read until you start a movie render. So you may need to check the "Test" checkbox and press "Start" for these parameters to be read...
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« Reply #11 on: July 09, 2015, 02:26:21 PM »

Slopes cannot be combined with distance estimation...
Some parameters are not read until you start a movie render. So you may need to check the "Test" checkbox and press "Start" for these parameters to be read...

Ok thanks. I'll try the test button first. If it doesn't work I can also change the palette to add a little more contrast which will give an appropriate effect.

The distance estimation is very nice to work with. smiley
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TheRedshiftRider
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« Reply #12 on: July 09, 2015, 03:02:36 PM »

I found a little bug with saving a jpeg. The 16:9 ratio doesn't work properly.


* Kfbug.JPG (16.87 KB, 199x168 - viewed 954 times.)
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Kalles Fraktaler
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« Reply #13 on: July 09, 2015, 08:05:13 PM »

I found a little bug with saving a jpeg. The 16:9 ratio doesn't work properly.
Yes I know, this happens when you resize the background image size a couple of times.
You can easily solve it by resetting the skew (Menu Actions->Skew or Ctrl+K)

But this is something to improve!
I find it hard to combine arbitrary aspect ratio and stretch/skew. If you set the image width to a multiple of 16 it is easy to calculate the height. But what if you set it to 500, 500*9/16 = 281.25, but the sizes of the window and the background image are integers...
It wouldn't be any problem if height would always be calculated by multiplying width with the ratio of the window.
But the program also allows stretching to reveal skewed locations in abs fractals. smiley
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« Reply #14 on: July 09, 2015, 08:15:44 PM »

Yes I know, this happens when you resize the background image size a couple of times.
You can easily solve it by resetting the skew (Menu Actions->Skew or Ctrl+K)

But this is something to improve!
I find it hard to combine arbitrary aspect ratio and stretch/skew. If you set the image width to a multiple of 16 it is easy to calculate the height. But what if you set it to 500, 500*9/16 = 281.25, but the sizes of the window and the background image are integers...
It wouldn't be any problem if height would always be calculated by multiplying width with the ratio of the window.
But the program also allows stretching to reveal skewed locations in abs fractals. smiley
Ok thanks. I didn't thing it would be a problem but it is good to know how to fix it.
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