[Geoserver-devel] GSP 115 - VirtualCoverage

GeoServer GeoServer Developer
1

Hi guys,

I have setup a proposal about VirtualCoverage:
http://rancor.boundlessgeo.com:8080/display/GEOS/GSIP+115±+VirtualCoverage

In summary, it consists on allowing to configure a “VirtualCoverage” built on top of different coverages from a store. The resulting coverage exposes input coverages as different bands.

This will be similar to what is achieved with SQL Views on vector stores.

More details are available in the proposal.

Cheers,
Daniele

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.

Ing. Daniele Romagnoli
Senior Software Engineer

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

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

2

Proposal details look fine, was trying to think of an alternative name to “Virtual” but am coming up blank. I just feel that every time I use “virtual coverage” in a sentence I would have to explain what it means.

···

Jody Garnett

On Mon, May 19, 2014 at 7:02 AM, Daniele Romagnoli <daniele.romagnoli@anonymised.com> wrote:

Hi guys,

I have setup a proposal about VirtualCoverage:
http://rancor.boundlessgeo.com:8080/display/GEOS/GSIP+115±+VirtualCoverage

In summary, it consists on allowing to configure a “VirtualCoverage” built on top of different coverages from a store. The resulting coverage exposes input coverages as different bands.

This will be similar to what is achieved with SQL Views on vector stores.

More details are available in the proposal.

Cheers,
Daniele

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.

Ing. Daniele Romagnoli
Senior Software Engineer

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

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

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
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Get unparalleled scalability from the best Selenium testing platform available
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3

On Mon, May 19, 2014 at 1:51 PM, Jody Garnett <jody.garnett@anonymised.com>wrote:

Proposal details look fine, was trying to think of an alternative name to
"Virtual" but am coming up blank. I just feel that every time I use
"virtual coverage" in a sentence I would have to explain what it means.

Sythetic? Reorganized? Projected? Computed?
WWW? (ok, this one only Justin will understand)

Cheers
Andrea

--

Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.

Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 339 8844549

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

-------------------------------------------------------

4

Composite coverages?

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If received in error please destroy and immediately notify us.
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5

Hi Jody,
about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Daniele

···

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.

Ing. Daniele Romagnoli
Senior Software Engineer

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

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

On Mon, May 19, 2014 at 11:02 PM, Phil Scadden <p.scadden@anonymised.com> wrote:

Composite coverages?

Notice: This email and any attachments are confidential.
If received in error please destroy and immediately notify us.
Do not copy or disclose the contents.

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6

On Tue, May 20, 2014 at 11:49 AM, Daniele Romagnoli <
daniele.romagnoli@anonymised.com> wrote:

Hi Jody,
about the name, we initially thought about "Virtual Coverage" since we
got inspired by GDAL "Virtual Raster".
That's not the very same thing, but with a "Virtual Raster" you may define
a new Raster built on top of other Rasters, by defining some properties to
customize how to use them.
So this is why we called that "Virtual Coverage".

In other terms, it's virtual because it's not concrete, it's not anywhere
on disk.
I sort of like composite, but if and when we add raster algebra to it,
composite won't fit anymore what the code does

Cheers
Andrea

--

Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.

Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 339 8844549

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

-------------------------------------------------------

7

All,
aside from the exciting discussion on the Virtual VS Composite is there any additional concrete feedback? :slight_smile:

···

Regards,
Simone Giannecchini

Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK 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 Tue, May 20, 2014 at 11:54 AM, Andrea Aime <andrea.aime@anonymised.com> wrote:

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
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Simple to use. Nothing to install. Get started now for free.”
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On Tue, May 20, 2014 at 11:49 AM, Daniele Romagnoli <daniele.romagnoli@anonymised.com> wrote:

Hi Jody,
about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

In other terms, it’s virtual because it’s not concrete, it’s not anywhere on disk.
I sort of like composite, but if and when we add raster algebra to it, composite won’t fit anymore what the code does

Cheers
Andrea

–

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK
for more information.

Ing. Andrea Aime

@geowolf
Technical Lead

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

mob: +39 339 8844549

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

8

This transmission is intended for the named addressee(s) only and may contain confidential, sensitive or personal information and should be handled accordingly. Unless you are the named addressee (or authorised to receive it for the addressee) you may not copy or use it, or disclose it to anyone else. If you have received this transmission in error please notify the sender immediately. All email traffic sent to or from us, including without limitation all GCSX traffic, may be subject to recording and/or monitoring in accordance with relevant legislation.

···

about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Well, when I saw the name “Virtual Coverage” I immediately thought “cool - it’s pulling data from that GDAL format, that might be useful”. But this apparently isn’t that. Others may have the same thought process, so I’m with those who suggest an alternate name; it’d help differentiate it. The “CompositeCoverage” suggestion is a good one.
Cheers,
Jonathan

9

I cannot access to the proposal right now … for the moment I also would prefer another name.

Waiting for the possibility to read the proposal details before voting…

···

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 331 6233686

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

On Wed, May 21, 2014 at 1:34 PM, Jonathan Moules <jonathanmoules@anonymised.com> wrote:

This transmission is intended for the named addressee(s) only and may contain confidential, sensitive or personal information and should be handled accordingly. Unless you are the named addressee (or authorised to receive it for the addressee) you may not copy or use it, or disclose it to anyone else. If you have received this transmission in error please notify the sender immediately. All email traffic sent to or from us, including without limitation all GCSX traffic, may be subject to recording and/or monitoring in accordance with relevant legislation.

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
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Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@anonymised.comsts.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Well, when I saw the name “Virtual Coverage” I immediately thought “cool - it’s pulling data from that GDAL format, that might be useful”. But this apparently isn’t that. Others may have the same thought process, so I’m with those who suggest an alternate name; it’d help differentiate it. The “CompositeCoverage” suggestion is a good one.
Cheers,
Jonathan

10

Just rebooted confluence but I don’t imagine that will last for long.

···

On Fri, May 23, 2014 at 3:41 AM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

I cannot access to the proposal right now … for the moment I also would prefer another name.

Waiting for the possibility to read the proposal details before voting…

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
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–

Justin Deoliveira
Vice President, Engineering | Boundless
jdeolive@anonymised.com
@j_deolive

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

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

mob: +39 331 6233686

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

On Wed, May 21, 2014 at 1:34 PM, Jonathan Moules <jonathanmoules@anonymised.com> wrote:

This transmission is intended for the named addressee(s) only and may contain confidential, sensitive or personal information and should be handled accordingly. Unless you are the named addressee (or authorised to receive it for the addressee) you may not copy or use it, or disclose it to anyone else. If you have received this transmission in error please notify the sender immediately. All email traffic sent to or from us, including without limitation all GCSX traffic, may be subject to recording and/or monitoring in accordance with relevant legislation.

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Well, when I saw the name “Virtual Coverage” I immediately thought “cool - it’s pulling data from that GDAL format, that might be useful”. But this apparently isn’t that. Others may have the same thought process, so I’m with those who suggest an alternate name; it’d help differentiate it. The “CompositeCoverage” suggestion is a good one.
Cheers,
Jonathan

11

No warries, I just did not find some time to read the proposal before today.

···

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 331 6233686

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

On Fri, May 23, 2014 at 1:49 PM, Justin Deoliveira <jdeolive@anonymised.com> wrote:

Just rebooted confluence but I don’t imagine that will last for long.

On Fri, May 23, 2014 at 3:41 AM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

I cannot access to the proposal right now … for the moment I also would prefer another name.

Waiting for the possibility to read the proposal details before voting…

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

–

Justin Deoliveira
Vice President, Engineering | Boundless
jdeolive@anonymised.com
@j_deolive

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

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

mob: +39 331 6233686

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

On Wed, May 21, 2014 at 1:34 PM, Jonathan Moules <jonathanmoules@anonymised.com> wrote:

This transmission is intended for the named addressee(s) only and may contain confidential, sensitive or personal information and should be handled accordingly. Unless you are the named addressee (or authorised to receive it for the addressee) you may not copy or use it, or disclose it to anyone else. If you have received this transmission in error please notify the sender immediately. All email traffic sent to or from us, including without limitation all GCSX traffic, may be subject to recording and/or monitoring in accordance with relevant legislation.

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Well, when I saw the name “Virtual Coverage” I immediately thought “cool - it’s pulling data from that GDAL format, that might be useful”. But this apparently isn’t that. Others may have the same thought process, so I’m with those who suggest an alternate name; it’d help differentiate it. The “CompositeCoverage” suggestion is a good one.
Cheers,
Jonathan

12

Btw , thanks :slight_smile:

···

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 331 6233686

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

On Fri, May 23, 2014 at 2:01 PM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

No warries, I just did not find some time to read the proposal before today.

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 331 6233686

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

On Fri, May 23, 2014 at 1:49 PM, Justin Deoliveira <jdeolive@anonymised.com> wrote:

Just rebooted confluence but I don’t imagine that will last for long.

On Fri, May 23, 2014 at 3:41 AM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

I cannot access to the proposal right now … for the moment I also would prefer another name.

Waiting for the possibility to read the proposal details before voting…

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

–

Justin Deoliveira
Vice President, Engineering | Boundless
jdeolive@anonymised.com
@j_deolive

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

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

mob: +39 331 6233686

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

On Wed, May 21, 2014 at 1:34 PM, Jonathan Moules <jonathanmoules@anonymised.com> wrote:

This transmission is intended for the named addressee(s) only and may contain confidential, sensitive or personal information and should be handled accordingly. Unless you are the named addressee (or authorised to receive it for the addressee) you may not copy or use it, or disclose it to anyone else. If you have received this transmission in error please notify the sender immediately. All email traffic sent to or from us, including without limitation all GCSX traffic, may be subject to recording and/or monitoring in accordance with relevant legislation.

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Well, when I saw the name “Virtual Coverage” I immediately thought “cool - it’s pulling data from that GDAL format, that might be useful”. But this apparently isn’t that. Others may have the same thought process, so I’m with those who suggest an alternate name; it’d help differentiate it. The “CompositeCoverage” suggestion is a good one.
Cheers,
Jonathan

13

Hi guys,
back on the “naming” topic so in the next days I’ll prepare a pull request with the definitive set of classes (VirtualCoverageXX? CompositeCoverageXX? ComputedCoverageXX?..).

I saw several people are against Virtual due to the misleading reference to GDAL integration (although Virtual as been originally inspired to the GDAL Virtual Raster capability to setup a Raster on top of other ones).
Let’s do a poll…

Please express your preference between

  • virtual (a “virtual” coverage made of other bands as GDAL Virtual raster is made of other rasters)
  • composite (a coverage been composed of other bands as simple selections or more complex combinations as per future improvements)
  • computed (a coverage having bands being computed on top of other bands, where the computation may be a simple selection as well as a more complex math as per future improvements).

Please, let us know.
Best Regards,
Daniele

Cheers,
Daniele

···

==
GeoServer Professional Services from the experts! Visit
http://goo.gl/NWWaa2 for more information.

Ing. Daniele Romagnoli
Senior Software Engineer

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

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

On Fri, May 23, 2014 at 2:02 PM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

Btw , thanks :slight_smile:

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free.”
http://p.sf.net/sfu/SauceLabs

Geoserver-devel mailing list
Geoserver-devel@anonymised.comsts.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-devel

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 331 6233686

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

On Fri, May 23, 2014 at 2:01 PM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

No warries, I just did not find some time to read the proposal before today.

==
Meet us at GEO Business 2014! in London! Visit http://goo.gl/fES3aK for more information.

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

Ing. Alessio Fabiani
@alfa7691
Founder/Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 331 6233686

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

On Fri, May 23, 2014 at 1:49 PM, Justin Deoliveira <jdeolive@anonymised.com> wrote:

Just rebooted confluence but I don’t imagine that will last for long.

On Fri, May 23, 2014 at 3:41 AM, Alessio Fabiani <alessio.fabiani@anonymised.com> wrote:

I cannot access to the proposal right now … for the moment I also would prefer another name.

Waiting for the possibility to read the proposal details before voting…

“Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
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On Wed, May 21, 2014 at 1:34 PM, Jonathan Moules <jonathanmoules@anonymised.com> wrote:

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about the name, we initially thought about “Virtual Coverage” since we got inspired by GDAL “Virtual Raster”.
That’s not the very same thing, but with a “Virtual Raster” you may define a new Raster built on top of other Rasters, by defining some properties to customize how to use them.

So this is why we called that “Virtual Coverage”.

Well, when I saw the name “Virtual Coverage” I immediately thought “cool - it’s pulling data from that GDAL format, that might be useful”. But this apparently isn’t that. Others may have the same thought process, so I’m with those who suggest an alternate name; it’d help differentiate it. The “CompositeCoverage” suggestion is a good one.
Cheers,
Jonathan

14

On Thu, Jun 5, 2014 at 6:24 PM, Daniele Romagnoli <
daniele.romagnoli@anonymised.com> wrote:

- virtual (a "virtual" coverage made of other bands as GDAL Virtual raster
is made of other rasters)
- composite (a coverage been composed of other bands as simple selections
or more complex combinations as per future improvements)
- computed (a coverage having bands being computed on top of other bands,
where the computation may be a simple selection as well as a more complex
math as per future improvements).

I still like virtual better, composite is wrong long term, computed makes
me think only about
doing actual calculations.

If we want to draw a parallel, this functionality is the equivalent of sql
view for vector data,
so we could also call them "coverage views"

Cheers
Andrea

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15

CoverageView would answer my original feedback " just feel that every time I use “virtual coverage” in a sentence I would have to explain what it means."

CoverageView +1

···

Jody Garnett

On Fri, Jun 6, 2014 at 2:32 AM, Andrea Aime <andrea.aime@anonymised.com> wrote:

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On Thu, Jun 5, 2014 at 6:24 PM, Daniele Romagnoli <daniele.romagnoli@anonymised.com> wrote:

  • virtual (a “virtual” coverage made of other bands as GDAL Virtual raster is made of other rasters)

  • composite (a coverage been composed of other bands as simple selections or more complex combinations as per future improvements)

  • computed (a coverage having bands being computed on top of other bands, where the computation may be a simple selection as well as a more complex math as per future improvements).

I still like virtual better, composite is wrong long term, computed makes me think only about
doing actual calculations.

If we want to draw a parallel, this functionality is the equivalent of sql view for vector data,
so we could also call them “coverage views”

Cheers
Andrea

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Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272

mob: +39 339 8844549

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16

+1 as well as here, especially thinking about the next things we aim
to add to this functionalities (in-place raster algebra and so on).
Regards,
Simone Giannecchini

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-------------------------------------------------------

On Fri, Jun 6, 2014 at 12:44 AM, Jody Garnett <jody.garnett@anonymised.com> wrote:

CoverageView would answer my original feedback " just feel that every time I
use "virtual coverage" in a sentence I would have to explain what it means."

CoverageView +1

Jody Garnett

On Fri, Jun 6, 2014 at 2:32 AM, Andrea Aime <andrea.aime@anonymised.com>
wrote:

On Thu, Jun 5, 2014 at 6:24 PM, Daniele Romagnoli
<daniele.romagnoli@anonymised.com> wrote:

- virtual (a "virtual" coverage made of other bands as GDAL Virtual
raster is made of other rasters)
- composite (a coverage been composed of other bands as simple selections
or more complex combinations as per future improvements)
- computed (a coverage having bands being computed on top of other bands,
where the computation may be a simple selection as well as a more complex
math as per future improvements).

I still like virtual better, composite is wrong long term, computed makes
me think only about
doing actual calculations.

If we want to draw a parallel, this functionality is the equivalent of sql
view for vector data,
so we could also call them "coverage views"

Cheers
Andrea

--

GeoServer Professional Services from the experts! Visit
http://goo.gl/NWWaa2 for more information.

Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 339 8844549

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

-------------------------------------------------------

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