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Zoom in krpano Layer

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Suso Barral

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21

Sonntag, 8. Juli 2018, 18:59

https://dearte.online/zoom/
Click hotspot for layer zoom

pur

Schüler

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22

Donnerstag, 24. Januar 2019, 22:05

Zoom and drag on simple Image (Solved in krpano)

Suso,

Sorry, I didn't follow this thread and missed to share my findings. Krpano cursor setting solved my zoom alignment pproblem immediatelly:

Quellcode

 
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<control zoomtocursor="true" zoomoutcursor="true" />
in the tour.xml (after the <skin_settings>).
Maybe you (or anybody else) can use it, too.
Pavel

Suso Barral

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23

Sonntag, 21. April 2019, 20:38

*thumbsup*
Best
Suso

zakato360

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24

Mittwoch, 13. Mai 2020, 18:03

Zitat von »klaus.krpano«

Hi,

sorry, but I can't analyze or debug your code, but here attached the original mwheel-touch-zooming.xml extended with some code for dragging:
index.php?page=Attachment&attachmentID=2167

Best regards,
Klaus
HI there Klaus,

Has there been any change on v1.20 that needs of any extra tweaking of the mwheel-touch-zooming.xml code?

I am trying the same code on v.19 and v1.20 with different results.


V1.19 (https://demo.zakato.com/temp/v19/) works all nicely and as expected in all the devices that I have tried (phone, tablet, laptop and desktop)



V1.20 (https://demo.zakato.com/temp/v20/) on the other hand, works fine on phone, tablet and desktop but gives a problem on my laptop's touchpad (MBPRO). The zoom when scrolling with two parallel fingers works initially fine, but as soon as I zoom with the "pinching" tablet gesture it all stops working (both scrolling and pinching). This is not happening in v1.19 where everything works good.

Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »zakato360« (16. Mai 2020, 12:22)

Alexander360

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25

Dienstag, 28. Juli 2020, 11:48

Finding the same problem here too with v1.19 working fine, v1.20 pinch zoom on macbook trackpad not working as per zakato360's code.

Hopefully Klaus will know what's causing this?

Thanks in advance!

VRW_Phil

Schüler

Beiträge: 73

Wohnort: London

Beruf: Krpano Custom Coding. Responsive Websites.

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26

Donnerstag, 4. Februar 2021, 09:07

v1.20 Pinch Zoom - Not Working

Zitat von »Alexander360«

Finding the same problem here too with v1.19 working fine, v1.20 pinch zoom on macbook trackpad not working as per zakato360's code.

Hopefully Klaus will know what's causing this?

Thanks in advance!
I am having the same issue, has anyone been able to find a solution?

Jaume

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Wohnort: Poland

Beruf: Photogrammetrist

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27

Montag, 8. Februar 2021, 02:36

zoom popup image to cursor

Hi, I'm trying to modify the code in that way to get solution for zooming to point indicated by cursor. Now it is always the center of the popup image. "zoomtocursor" doesn't work for this one.What do I need to change or add to make it happend?
Thank you in advance.

Alexander360

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28

Freitag, 19. Februar 2021, 11:59

Zitat von »VRW_Phil«

Quoted from "Alexander360"



Finding the same problem here too with v1.19 working fine, v1.20 pinch zoom on macbook trackpad not working as per zakato360's code.

Zitat von »VRW_Phil«

Hopefully Klaus will know what's causing this?

Zitat von »VRW_Phil«

Thanks in advance!
I am having the same issue, has anyone been able to find a solution?
I have just tested with the latest 1.20.9 release and the problem is still the same with mac book track pad not working correctly (or at all) to pinch zoom or 2 finger scroll on an image layer.

Any ideas? Klaus, is this something that could be fixed?

Thanks as always!

Alexander360

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29

Montag, 22. Februar 2021, 15:51

Zitat von »Alexander360«

Zitat von »VRW_Phil«

Quoted from "Alexander360"



Finding the same problem here too with v1.19 working fine, v1.20 pinch zoom on macbook trackpad not working as per zakato360's code.

Zitat von »VRW_Phil«

Hopefully Klaus will know what's causing this?

Zitat von »VRW_Phil«

Thanks in advance!
I am having the same issue, has anyone been able to find a solution?
I have just tested with the latest 1.20.9 release and the problem is still the same with mac book track pad not working correctly (or at all) to pinch zoom or 2 finger scroll on an image layer.

Any ideas? Klaus, is this something that could be fixed?

Thanks as always!
I think I've found a workaround for anyone with this problem. By adding an if statement to check it the device is a mac, this seems to do the trick:

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<!-- the action for zooming either via the mouse wheel for via touch gestures -->	<action name="image_onmousewheel">		if(iszoom,
		<!-- THE WORKAROUND -->		if(!device.mac,						if(wheeldelta_touchscale GT 0,				<!-- touch zoom -->				if(startzoom,					set(startzoom,false);					copy(start_wheeldelta_touchscale, wheeldelta_touchscale);					copy(start_imagescale, layer[image].scale);
				  );
				div(tmp, wheeldelta_touchscale, start_wheeldelta_touchscale);				mul(layer[image].scale, start_imagescale, tmp);							);			  ,				<!-- mouse wheel zoom -->				mul(sit,get(wheeldelta),0.05);				mul(sit,layer[image].scale);				add(layer[image].scale,sit);
			  );		);	</action>

loki

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Wohnort: Berlin

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30

Mittwoch, 27. Oktober 2021, 14:39

Thanks for this feature, its great!
If the image takes a lot of the screensize it may happen that it is not zoomable at start, because zooming starts at onover event. A workaround would be to tween the image from eg. x="-1000" to x="0".

Mac Touchpad workaround with scale also works, thanks!

The zoomtocursor doesn't work for me either. Is there anyone out there with a solution to that?

martyhr

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31

Dienstag, 21. Februar 2023, 17:46

Zoomable layer on 1.21

Zitat von »klaus.krpano«

Hi,

here's an example:
https://krpano.com/examples/118/examples…ch-zooming.html

xml:
https://krpano.com/examples/118/examples/xml-usage/image-mwheel-touch-zooming/mwheel-touch-zooming.xml

It uses the onmousewheel event (which will be called also on touch devices on gesture zooms) and
touch devices the wheeldelta_touchscale variable for getting a scale value related to the zooming-gesture.

Best regards,
Klaus
I am trying to make it work on 1.21. But no success. On 1.19. is working great. What should I tweak? Thanks in advance
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