Re: [Geoserver-users] Image Pyramid layer settings for faster rendering

2013-09-24 Thread Simone Giannecchini
Dear Amiala,
I thinkl you are on the right track.

A few hints:
-1- I would make the size of the tiles even bigger than 1024x1024.
Make sure to have them internally tiled. In the presentation I
attached there are hints on how to do/check that
-2- Yeah, the less files in folder, the better. 1 will help with that

That said, I would like to see the final properties files that
geoserver generates in the root foolder as well as in the top children
folder to understand the resolution structure for these layers.

Regards,
Simone Giannecchini
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On Mon, Sep 9, 2013 at 3:51 PM, Amiala belk...@yandex.ru wrote:
 Ciao Simone,
 What's a great presentation! I found it very useful!

 I just need to clarify some issues:

 I have:
  - 13 levels of ArcGIS Cashed data in .bundle format on the disk. The bigest
 lever is 18 GB, in total there is 25GB.

 What I need:
 - Geoserver Image Pyramid (with 13 zoom level and fast serve for user)

 What I already did:
 1. I converted ArcGis data (accesing it by url as a tile) from .png to
 .geotiff with .jpeg compression using .geotiff lib (I didn't manage to do it
 for 2 biggest layers - too many tiles)
 2. I used geoserver ImagePyramid plugin (from Web Interface) and create
 ImagePyramid.

 Problems: laoding map and zooming (in/out) are too slow

 What I think after reading your presentation:
 1. I need to use UseDirForEachRow option. Now in the last folder I would
 have more than 16 000 000(!) tiles
 2. I need to make bigger tiles (2048x2048 for example)

 My questions:
 1. Do you think I am on the right way now (2 previous items)?
 2. If I use UseDirForEachRow I will have 4000 folders with 4000 tiles each
 for the last level, will it help? or it is still too much and I have to find
 other way.

 Thank you again,Simone!



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Re: [Geoserver-users] Image Pyramid layer settings for faster rendering

2013-09-09 Thread Amiala
Ciao Simone,
What's a great presentation! I found it very useful! 

I just need to clarify some issues:

I have:
 - 13 levels of ArcGIS Cashed data in .bundle format on the disk. The bigest
lever is 18 GB, in total there is 25GB.

What I need:
- Geoserver Image Pyramid (with 13 zoom level and fast serve for user)

What I already did:
1. I converted ArcGis data (accesing it by url as a tile) from .png to
.geotiff with .jpeg compression using .geotiff lib (I didn't manage to do it
for 2 biggest layers - too many tiles)
2. I used geoserver ImagePyramid plugin (from Web Interface) and create
ImagePyramid.

Problems: laoding map and zooming (in/out) are too slow

What I think after reading your presentation:
1. I need to use UseDirForEachRow option. Now in the last folder I would
have more than 16 000 000(!) tiles
2. I need to make bigger tiles (2048x2048 for example)

My questions:
1. Do you think I am on the right way now (2 previous items)?
2. If I use UseDirForEachRow I will have 4000 folders with 4000 tiles each
for the last level, will it help? or it is still too much and I have to find
other way.

Thank you again,Simone!



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Re: [Geoserver-users] Image Pyramid layer settings for faster rendering

2013-09-05 Thread Simone Giannecchini
Ciao Amiala,
we would need to have more info about the structure of the data itself:

- how many levels you have in your pyramid
- the resolutions for each level (you can check the pyramid.properties
file for this)
- the structure of the data in each level. The gdalinfo on a sample
for each level would help

I don't remember if I mentioned this presentation but you could find
some useful tips:
http://goo.gl/TXJRS

Regards,
Simone Giannecchini
==
Our support, Your Success! Visit http://opensdi.geo-solutions.it for
more information.
==

Ing. Simone Giannecchini
@simogeo
Founder/Director

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob:   +39  333 8128928

http://www.geo-solutions.it
http://twitter.com/geosolutions_it

---


On Wed, Sep 4, 2013 at 10:22 AM, Amiala belk...@yandex.ru wrote:
 Thanks, Simone for replay.

 Data has structure as a ImagePyramid and stored in folders (0,1,2, etc) on
 the disk. I have Geoserver 2.3, java 1.7 and RAM around 4GB, but geoserver
 use around 800MB.

 Now I am already using GWC, but it is still not fast enough.
 Do you think, the version of Geoserver has a principal influence on the
 perfomance?
 Best regards,
 Amiala



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Re: [Geoserver-users] Image Pyramid layer settings for faster rendering

2013-09-04 Thread Amiala
Thanks, Simone for replay.

Data has structure as a ImagePyramid and stored in folders (0,1,2, etc) on
the disk. I have Geoserver 2.3, java 1.7 and RAM around 4GB, but geoserver
use around 800MB.

Now I am already using GWC, but it is still not fast enough. 
Do you think, the version of Geoserver has a principal influence on the
perfomance?
Best regards,
Amiala



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Re: [Geoserver-users] Image Pyramid layer settings for faster rendering

2013-08-26 Thread Simone Giannecchini
Ciao Amiala,
can you please describe a bit more what follows?:

- how your data is structured
- which version of geoserver you are using
- which java opts you are using for starting geoserver
- which hw is powering this geoserver instance?

Regards,
Simone Giannecchini
==
Our support, Your Success! Visit http://opensdi.geo-solutions.it for
more information.
==

Ing. Simone Giannecchini
@simogeo
Founder/Director

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob:   +39  333 8128928

http://www.geo-solutions.it
http://twitter.com/geosolutions_it

---


On Fri, Aug 16, 2013 at 5:15 PM, Amiala belk...@yandex.ru wrote:
 Dear all,

 I have an image pyramid layer which is working too slow while rendering
 tiles on the screen. I look at documintation and settings for image
 pyramid(mozaic) layers. I set AllowMultithreading to true and
 USE_JAI_IMAGEREAD to false. But still then I am opening it in Geoexplorer it
 is slow.

 It is ok for me if at first time loading of the map will be a bit slow, more
 important if it load fast while zooming and moving around.

 Should I change some settings? I was thinking that maybe some settings in
 GeoServer menu Settings or Tile Caching can help.
 Could you advice, please, some tricks to make it works faster?

 p.s. I hope I am posting to correct mailing list :)

 Regards, Amiala



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[Geoserver-users] Image Pyramid layer settings for faster rendering

2013-08-16 Thread Amiala
Dear all,

I have an image pyramid layer which is working too slow while rendering
tiles on the screen. I look at documintation and settings for image
pyramid(mozaic) layers. I set AllowMultithreading to true and
USE_JAI_IMAGEREAD to false. But still then I am opening it in Geoexplorer it
is slow.

It is ok for me if at first time loading of the map will be a bit slow, more
important if it load fast while zooming and moving around.

Should I change some settings? I was thinking that maybe some settings in
GeoServer menu Settings or Tile Caching can help. 
Could you advice, please, some tricks to make it works faster?

p.s. I hope I am posting to correct mailing list :)

Regards, Amiala



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