digikam not showing Darwin Core metadata

[Alan Pater]

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

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[tosca]

I'm not sure whether you'll find everything you need, but have you looked at the Digikam Settings, then Metadata and Display tag. There are a lot of data you can toogle on/off.

Marie-Noëlle

2013/11/26 Alan Pater <[hidden email]>

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

--

Retrouvez mon portfolio et mes activités dans ma galerie personnelle, mes reportages sur Jingoo

Et bien sûr la page Photographe en Cévennes sur FB, et mon compte Twitter.

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[Remco Viëtor]

On Tuesday 26 November 2013 00:47:19 Alan Pater wrote:
> Darwin Core is a set of XMP metadata for use by biologists working in the
> field. It allows them to add metadata for things like the species name,
> age, sex, etc.
>
> That data does not show up in digikam. Is there something I have to
toggle

> to get it to show?
>
>  Exiv2 can show the data:
>
> $ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
> Xmp.dc.rights                                LangAlt     1
> lang="x-default" CC
> Xmp.dc.type                                  XmpBag      1  StillImage
> Xmp.dwc.Event                                XmpText     0  type="Struct"
> Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
> (...)
> Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini,
> 50 KM East of El Coca

From what I've seen in Digikam, it can only display data it knows about, so
any other metadata will not be shown (and can't be read or written) .

XMP is basically XML, so the metadata has the labels included (have a look
with a binary editor, like Okteta), which is why Exiv2 can display the
metadata with labels, and without the schema being known to the developers.

So when displaying selected items in the metadata, Digikam can only show
items known at compile time ('hard coded'). You /might/ be able to see
other items when showing the full list (metadata tab in the right bar, XMP
item, click on the button with a screen on it, not the portrait). As I
don't use other metadata than those provided by Digikam, I cannot be sure,
though.


Wrt metadata: There's a lot of information in the different tabs, and they
are grouped according to type/camera/schema. Would it be possible  to get
an option to close/open all the subsections in one go (at least in the
configuration dialog: there's a lot of camera-specific parts in the
makernote section, and to most users only a few are relevant...)

With a hint where to look I could try and implement such an option myself
(and submit a patch, ofc).

Remco
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[Gilles Caulier-4]

Alan,

Please report this problem to KDE bugzilla in digiKam/metadata section. I will fix it...

http://www.digikam.org/support

Gilles Caulier

2013/11/26 Marie-Noëlle Augendre <[hidden email]>

I'm not sure whether you'll find everything you need, but have you looked at the Digikam Settings, then Metadata and Display tag. There are a lot of data you can toogle on/off.

Marie-Noëlle

2013/11/26 Alan Pater <[hidden email]>

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

--

Retrouvez mon portfolio et mes activités dans ma galerie personnelle, mes reportages sur Jingoo

Et bien sûr la page Photographe en Cévennes sur FB, et mon compte Twitter.

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[Jean-François Rabasse-2]

On Tue, 26 Nov 2013, Alan Pater wrote:

> Darwin Core is a set of XMP metadata for use by biologists working in the
> field. It allows them to add metadata for things like the species name,
> age, sex, etc.
>
> That data does not show up in digikam. Is there something I have to toggle
> to get it to show?
>
> Exiv2 can show the data:

Hello Alan,

My comments, as I have similar issues when using non standard XMP
professional schemas or private schemas.
(When I say « non standard », I mean valid schemas used by such or such
community to handle data not provided by the basic XMP schemas, as
XMP Basic, Dublin Core, Exif, Media Management, et al.)

The XMP format (RDF/XML based) allows any metadata reading application
to read/display any property, even from unknown schemas.
And that's why exiv2 shows up all your dwc data.

But, to edit/rewrite XMP properties an application must know the schema
and properties types.

And Digikam has metadata edition features, so it can be seen as a XMP
read/write application. And that's why, if you look into the XMP
properties list (Settings > Metadata > Display > XMP viewer) you'll
find only « known » properties, i.e. the basic XMP schemas, and none
of the dozen of professional or private extensions.

If you just wish to view your data, a metadata reader could do because,
cf. supra, even unknown properties can be displayed.
You can use command line tools, as you did with exiv2, or some images
browers/viewers. As for me I use the tandem Dolphin+Gwenview and
Gwenview shows all existing XMP data, known or unknown.

If you wish to edit your data too, you'll have to use a specific
application aware of the dwc schema (I'm not a biologist and I don't
know what software exist), or to use a configurable metadata editor.
I am a exiftool user, and with exiftool it's possible to declare any
XMP schema your need, a known schema as dwc or private schemas, in the
~/.ExifTool_config file. This will make exiftool aware of your data and
you will be able to edit, modify, remove, not just read.

(Perhaps the same thing, extended schemas configuration, is possible
with exiv2 but I don't known the syntax.)

Regards,
Jean-François


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[Gilles Caulier-4]

Remco,

In fact, in XMP metadata viewer, there are 2 display mode (as in exif,
makernote, iptc)

1/ Custom : you can set XMP tags to display in digiKam/Setup/Metadata
2/ Full : all most important namespaces for photographers are filtered
and displayed.

Yes, in Full mode, tags are listed by namespace here :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/widgets/metadata/xmpwidget.cpp#L43

As you can see, i don't set a darwin core space, because it's not
relevant of photography, but medical.

My proposal :

1/ Rename "Full Mode" to "Photograph Mode".
2/ Add new mode button to not filter tags. This will also display all
unknown tags by Exiv2 in hexadecimal.
3/ Do the same for all metadata viewers as Exif, Makernote, and Iptc.

All code relevant is in this folder :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/widgets/metadata/

You will see that all viewers GUI code are factored in same parent
class metadatawidget.cpp, especially the Mode button. Filtering is
implemented in model class metadatalistview.cpp

Note : Do not use reviewboard to post a patch. Just use the bugzilla entry...

Gilles Caulier

2013/11/26 Remco Viëtor <[hidden email]>:

> On Tuesday 26 November 2013 00:47:19 Alan Pater wrote:
>> Darwin Core is a set of XMP metadata for use by biologists working in the
>> field. It allows them to add metadata for things like the species name,
>> age, sex, etc.
>>
>> That data does not show up in digikam. Is there something I have to
> toggle
>> to get it to show?
>>
>>  Exiv2 can show the data:
>>
>> $ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
>> Xmp.dc.rights                                LangAlt     1
>> lang="x-default" CC
>> Xmp.dc.type                                  XmpBag      1  StillImage
>> Xmp.dwc.Event                                XmpText     0  type="Struct"
>> Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
>> (...)
>> Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini,
>> 50 KM East of El Coca
>
> From what I've seen in Digikam, it can only display data it knows about, so
> any other metadata will not be shown (and can't be read or written) .
>
> XMP is basically XML, so the metadata has the labels included (have a look
> with a binary editor, like Okteta), which is why Exiv2 can display the
> metadata with labels, and without the schema being known to the developers.
>
> So when displaying selected items in the metadata, Digikam can only show
> items known at compile time ('hard coded'). You /might/ be able to see
> other items when showing the full list (metadata tab in the right bar, XMP
> item, click on the button with a screen on it, not the portrait). As I
> don't use other metadata than those provided by Digikam, I cannot be sure,
> though.
>
>
> Wrt metadata: There's a lot of information in the different tabs, and they
> are grouped according to type/camera/schema. Would it be possible  to get
> an option to close/open all the subsections in one go (at least in the
> configuration dialog: there's a lot of camera-specific parts in the
> makernote section, and to most users only a few are relevant...)
>
> With a hint where to look I could try and implement such an option myself
> (and submit a patch, ofc).
>
> Remco
> _______________________________________________
> Digikam-users mailing list
> [hidden email]
> https://mail.kde.org/mailman/listinfo/digikam-users

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[Jean-François Rabasse-2]

On Tue, 26 Nov 2013, Remco Viëtor wrote:

> From what I've seen in Digikam, it can only display data it knows
> about, so any other metadata will not be shown (and can't be read
> or written) .

Right. (From my personal use.)

> So when displaying selected items in the metadata, Digikam can only show
> items known at compile time ('hard coded'). You /might/ be able to see
> other items when showing the full list (metadata tab in the right bar, XMP
> item, click on the button with a screen on it, not the portrait). As I
> don't use other metadata than those provided by Digikam, I cannot be sure,
> though.

The answer is : no :-)
I use non standard metadata and the Full list option shows only known
data, checked or unchecked in the Metadata settings.
To see unknown data, one has to use another viewer, e.g. Gwenview, or
command line tools.

Regards,
Jean-François

PS: my personal opinion is that non standard (or as Gilles said, non
strictly photographic data) support is a complicated problem.
XMP has been thought to be extensible, the X stands for that, and many
schemas exist in different communities.
Should an application software as Digikam implement (hard coded) all
existing schema and ingest all new schemas as they are created ?
Sounds like an endless task.
Perhaps a good direction could be to use specific configuration files
a user could setup to describe relevant data ?
(In my previous message I mentionned exiftool because Phil Harvey
decided not to implement all possible schemas, but to feature a syntax
and configuration file .ExifTool_config to let the user declare
anything. Looks probably the only solution to support extensibility.)
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[Remco Viëtor]

On Tuesday 26 November 2013 10:34:55 Jean-François Rabasse wrote:

> (...)
>
> PS: my personal opinion is that non standard (or as Gilles said, non
> strictly photographic data) support is a complicated problem.
> XMP has been thought to be extensible, the X stands for that, and many
> schemas exist in different communities.
> Should an application software as Digikam implement (hard coded) all
> existing schema and ingest all new schemas as they are created ?
> Sounds like an endless task.
> Perhaps a good direction could be to use specific configuration files
> a user could setup to describe relevant data ?
> (In my previous message I mentionned exiftool because Phil Harvey
> decided not to implement all possible schemas, but to feature a syntax
> and configuration file .ExifTool_config to let the user declare
> anything. Looks probably the only solution to support extensibility.)

The nice thing about XMP: it's is a variant on XML, so there is no need to
configure which schemas to accept, as each piece of information has its
name available as well. You'd only need configuration options if you want
to show only /some/ of the fields.

That's also why Exiv2 can easily display all XMP metadata, with no need for
guessing at tags or values: they are all in the metadata)

Note that all this concerns *XMP* metadata only, EXIF and IPTC data are
different (for starters, the EXIF data has binary and fixed size fields,  
no tag names included in the image file, and even a field with undefined
structure: the makernote area). Then again, OP's question was about XMP
data only.

Remco

=== "technical" exemple following, can be ignored ;) ===

This is what I found in one of my images:
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP Core 4.4.0-Exiv2">
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:about=""
    xmlns:tiff="http://ns.adobe.com/tiff/1.0/"
    xmlns:xmp="http://ns.adobe.com/xap/1.0/"
    xmlns:exif="http://ns.adobe.com/exif/1.0/"
    xmlns:digiKam="http://www.digikam.org/ns/1.0/"
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/"
    xmlns:xmpRights="http://ns.adobe.com/xap/1.0/rights/"
    xmlns:Iptc4xmpCore="http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/"

Note all the "xmlns:..." lines. Those lines indicate what
schemas/namespaces are used, but they do *not* indicate where to find the
definitions (DTD), their only function is to generate a unique name for the
namespace (unfortunately for us...).

If the DTD for a given schema is available, it should be possible to
generate a settings dialog to define what information to show 'on the fly'.
Without it, we would be limited to show all or nothing per namespace, as we
cannot be sure to cover all possible tags within th namespace.
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[Alan Pater]

Thanks everyone for the comments and ideas. I just have a couple of notes and another question.

The photos I am working with are from a camera trap project in the western amazon, Darwin Core allows embedding information that is relevant to researchers studying biodiversity. Basically we are dealing with photos of animals taken in the wild.

exiftool was mentioned and I should mention that it supports full read/write support for DwC (Darwin Core). That's how I embedded the sample metadata to some test images.
  http://u88.n24.queensu.ca/exiftool/forum/index.php/topic,4442.0/all.html?PHPSESSID=9noeti9c1lphv27ricp7ru6956

Would it be necessary to get read/write support built into exiv2 in order to allow digikam full access to this metadata?

2013/11/26 Alan Pater <alan.pater at gmail.com>

> Darwin Core is a set of XMP metadata for use by biologists working in the
> field. It allows them to add metadata for things like the species name,
> age, sex, etc.
>
> That data does not show up in digikam. Is there something I have to toggle
> to get it to show?
>
>  Exiv2 can show the data:

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[Gilles Caulier-4]

2013/11/26 Alan Pater <[hidden email]>:

> Thanks everyone for the comments and ideas. I just have a couple of notes
> and another question.
>
> The photos I am working with are from a camera trap project in the western
> amazon, Darwin Core allows embedding information that is relevant to
> researchers studying biodiversity. Basically we are dealing with photos of
> animals taken in the wild.
>
> exiftool was mentioned and I should mention that it supports full read/write
> support for DwC (Darwin Core). That's how I embedded the sample metadata to
> some test images.
>
> http://u88.n24.queensu.ca/exiftool/forum/index.php/topic,4442.0/all.html?PHPSESSID=9noeti9c1lphv27ricp7ru6956
>
> Would it be necessary to get read/write support built into exiv2 in order to
> allow digikam full access to this metadata?

yes, it's definitively better.

Exiv2 has a table of XMP namespace with contents and format of data. I
personalty patch this table to add and update digiKam and kipi-plugins
XMP namespace. Look here :

http://dev.exiv2.org/projects/exiv2/repository/entry/trunk/src/properties.cpp#L181

Note : as you can see DwC namespace is not present here... This will
not mean that we cannot read and write tags in this namespace, but
this want mean that client applications need to know this namespace
contents to play with it.

Gilles Caulier
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[Gilles Caulier-4]

Alan, 

I found an entry in bugzilla which is probably relevant of digiKam problem to show unknow XMP namespace :

https://bugs.kde.org/show_bug.cgi?id=328018

Please check, review, and post your comment in this entry if it's relevant. In this case, no need to create a new entry in bugzilla...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan,

Please report this problem to KDE bugzilla in digiKam/metadata section. I will fix it...

http://www.digikam.org/support

Gilles Caulier

2013/11/26 Marie-Noëlle Augendre <[hidden email]>

I'm not sure whether you'll find everything you need, but have you looked at the Digikam Settings, then Metadata and Display tag. There are a lot of data you can toogle on/off.

Marie-Noëlle

2013/11/26 Alan Pater <[hidden email]>

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

--

Retrouvez mon portfolio et mes activités dans ma galerie personnelle, mes reportages sur Jingoo

Et bien sûr la page Photographe en Cévennes sur FB, et mon compte Twitter.

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[Gilles Caulier-4]

Alan,

if you have a photo with DwC namespace available, please post file in bugzilla entry #328018.

I patch dirty some code to be able to show unknown XMP namespace, and it's work as demonstration. See my screenshot posted in this bugzilla file for details...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan, 

I found an entry in bugzilla which is probably relevant of digiKam problem to show unknow XMP namespace :

https://bugs.kde.org/show_bug.cgi?id=328018

Please check, review, and post your comment in this entry if it's relevant. In this case, no need to create a new entry in bugzilla...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan,

Please report this problem to KDE bugzilla in digiKam/metadata section. I will fix it...

http://www.digikam.org/support

Gilles Caulier

2013/11/26 Marie-Noëlle Augendre <[hidden email]>

I'm not sure whether you'll find everything you need, but have you looked at the Digikam Settings, then Metadata and Display tag. There are a lot of data you can toogle on/off.

Marie-Noëlle

2013/11/26 Alan Pater <[hidden email]>

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

--

Retrouvez mon portfolio et mes activités dans ma galerie personnelle, mes reportages sur Jingoo

Et bien sûr la page Photographe en Cévennes sur FB, et mon compte Twitter.

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[Alan Pater]

Gilles, thanks a lot, I have posted to that bug report a sample image provided by Frank Bungartz at the Charles Darwin Foundation on the Galapagos.

Cheers,

Alan

On Tue, Nov 26, 2013 at 9:54 AM, Gilles Caulier <[hidden email]> wrote:

Alan,

if you have a photo with DwC namespace available, please post file in bugzilla entry #328018.

I patch dirty some code to be able to show unknown XMP namespace, and it's work as demonstration. See my screenshot posted in this bugzilla file for details...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan, 

I found an entry in bugzilla which is probably relevant of digiKam problem to show unknow XMP namespace :

https://bugs.kde.org/show_bug.cgi?id=328018

Please check, review, and post your comment in this entry if it's relevant. In this case, no need to create a new entry in bugzilla...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan,

Please report this problem to KDE bugzilla in digiKam/metadata section. I will fix it...

http://www.digikam.org/support

Gilles Caulier

2013/11/26 Marie-Noëlle Augendre <[hidden email]>

I'm not sure whether you'll find everything you need, but have you looked at the Digikam Settings, then Metadata and Display tag. There are a lot of data you can toogle on/off.

Marie-Noëlle

2013/11/26 Alan Pater <[hidden email]>

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

--

Retrouvez mon portfolio et mes activités dans ma galerie personnelle, mes reportages sur Jingoo

Et bien sûr la page Photographe en Cévennes sur FB, et mon compte Twitter.

_______________________________________________
Digikam-users mailing list
[hidden email]
https://mail.kde.org/mailman/listinfo/digikam-users

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[Gilles Caulier-4]

...and i just responded :

https://bugs.kde.org/show_bug.cgi?id=328018#c8

Gilles Caulier

2013/11/26 Alan Pater <[hidden email]>

Gilles, thanks a lot, I have posted to that bug report a sample image provided by Frank Bungartz at the Charles Darwin Foundation on the Galapagos.

Cheers,

Alan

On Tue, Nov 26, 2013 at 9:54 AM, Gilles Caulier <[hidden email]> wrote:

Alan,

if you have a photo with DwC namespace available, please post file in bugzilla entry #328018.

I patch dirty some code to be able to show unknown XMP namespace, and it's work as demonstration. See my screenshot posted in this bugzilla file for details...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan, 

I found an entry in bugzilla which is probably relevant of digiKam problem to show unknow XMP namespace :

https://bugs.kde.org/show_bug.cgi?id=328018

Please check, review, and post your comment in this entry if it's relevant. In this case, no need to create a new entry in bugzilla...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>

Alan,

Please report this problem to KDE bugzilla in digiKam/metadata section. I will fix it...

http://www.digikam.org/support

Gilles Caulier

2013/11/26 Marie-Noëlle Augendre <[hidden email]>

I'm not sure whether you'll find everything you need, but have you looked at the Digikam Settings, then Metadata and Display tag. There are a lot of data you can toogle on/off.

Marie-Noëlle

2013/11/26 Alan Pater <[hidden email]>

Darwin Core is a set of XMP metadata for use by biologists working in the field. It allows them to add metadata for things like the species name, age, sex, etc.

That data does not show up in digikam. Is there something I have to toggle to get it to show?

 Exiv2 can show the data:

$ exiv2 -p x H750-A-11-12-07-1553-Eirbar.JPG
Xmp.dc.rights                                LangAlt     1  lang="x-default" CC
Xmp.dc.type                                  XmpBag      1  StillImage
Xmp.dwc.Event                                XmpText     0  type="Struct"
Xmp.dwc.Event/dwc:habitat                    XmpText    11  Terra Firme
Xmp.dwc.Occurrence                           XmpText     0  type="Struct"
Xmp.dwc.Occurrence/dwc:behavior              XmpText     9  predation
Xmp.dwc.Occurrence/dwc:establishmentMeans    XmpText     6  native
Xmp.dwc.Occurrence/dwc:individualCount       XmpText     1  1
Xmp.dwc.Occurrence/dwc:individualID          XmpText    11  TBS-EB-0001
Xmp.dwc.Occurrence/dwc:lifeStage             XmpText     5  adult
Xmp.dwc.Occurrence/dwc:sex                   XmpText    12  undetermined
Xmp.dwc.Record                               XmpText     0  type="Struct"
Xmp.dwc.Record/dwc:institutionID             XmpText    29  Tiputini Biodiversity Station
Xmp.dwc.Taxon                                XmpText     0  type="Struct"
Xmp.dwc.Taxon/dwc:scientificName             XmpText    12  Eira barbara
Xmp.dwc.Taxon/dwc:vernacularName             LangAlt     1  lang="x-default" Tayra
Xmp.dwc.dctermsLocation                      XmpText     0  type="Struct"
Xmp.dwc.dctermsLocation/dwc:country          XmpText     7  Ecuador
Xmp.dwc.dctermsLocation/dwc:decimalLatitude  XmpText     9  -0.638330
Xmp.dwc.dctermsLocation/dwc:decimalLongitude XmpText     9  76.150000
Xmp.dwc.dctermsLocation/dwc:locality         XmpText    35  Rio Tiputini, 50 KM East of El Coca

--

Retrouvez mon portfolio et mes activités dans ma galerie personnelle, mes reportages sur Jingoo

Et bien sûr la page Photographe en Cévennes sur FB, et mon compte Twitter.

_______________________________________________
Digikam-users mailing list
[hidden email]
https://mail.kde.org/mailman/listinfo/digikam-users

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[Alan Pater]

Agreed that adding DwC support to exiv2 would be the best of all possible worlds. Is that possible to do with the information we have or is more needed?

The DwC website is here: http://rs.tdwg.org/dwc/

On Tue, Nov 26, 2013 at 8:52 AM, Gilles Caulier <[hidden email]> wrote:

2013/11/26 Alan Pater <[hidden email]>:

> Would it be necessary to get read/write support built into exiv2 in order to
> allow digikam full access to this metadata?

yes, it's definitively better.

Exiv2 has a table of XMP namespace with contents and format of data. I
personalty patch this table to add and update digiKam and kipi-plugins
XMP namespace. Look here :

http://dev.exiv2.org/projects/exiv2/repository/entry/trunk/src/properties.cpp#L181

Note : as you can see DwC namespace is not present here... This will
not mean that we cannot read and write tags in this namespace, but
this want mean that client applications need to know this namespace
contents to play with it.

Gilles Caulier

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[Gilles Caulier-4]

2013/11/26 Alan Pater <[hidden email]>:
> Agreed that adding DwC support to exiv2 would be the best of all possible
> worlds. Is that possible to do with the information we have or is more
> needed?
>
> The DwC website is here: http://rs.tdwg.org/dwc/

Yes, this scheme must be used to write relevant code in Exiv2 (where i
pointed previously).

I recommend to post a wish in Exiv2 bugzilla about this topic,
excepted if you have enough experience in C++ coding to write relevant
structure in this source file to add DwC namespace support...

http://dev.exiv2.org/projects/exiv2

Gilles Caulier
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[Gilles Caulier-4]

Alan,

Look my screenshot of metadata viewer, especially on top.

http://www.flickr.com/photos/digikam/11082411096/

328018#c13

Will be available on 4.0.0 release (bug #328018 closed)...

Gilles Caulier

2013/11/26 Gilles Caulier <[hidden email]>:

> 2013/11/26 Alan Pater <[hidden email]>:
>> Agreed that adding DwC support to exiv2 would be the best of all possible
>> worlds. Is that possible to do with the information we have or is more
>> needed?
>>
>> The DwC website is here: http://rs.tdwg.org/dwc/
>
> Yes, this scheme must be used to write relevant code in Exiv2 (where i
> pointed previously).
>
> I recommend to post a wish in Exiv2 bugzilla about this topic,
> excepted if you have enough experience in C++ coding to write relevant
> structure in this source file to add DwC namespace support...
>
> http://dev.exiv2.org/projects/exiv2
>
> Gilles Caulier

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[Remco Viëtor]

On Wednesday 27 November 2013 11:56:28 Gilles Caulier wrote:

> Alan,
>
> Look my screenshot of metadata viewer, especially on top.
>
> http://www.flickr.com/photos/digikam/11082411096/
>
> 328018#c13
>
> Will be available on 4.0.0 release (bug #328018 closed)...
>
> Gilles Caulier

That's an even nicer solution than an extra button :)

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[Gilles Caulier-4]

2013/11/27 Remco Viëtor <[hidden email]>:

> On Wednesday 27 November 2013 11:56:28 Gilles Caulier wrote:
>> Alan,
>>
>> Look my screenshot of metadata viewer, especially on top.
>>
>> http://www.flickr.com/photos/digikam/11082411096/
>>
>> 328018#c13
>>
>> Will be available on 4.0.0 release (bug #328018 closed)...
>>
>> Gilles Caulier
> That's an even nicer solution than an extra button :)
>

yes, and space is more optimized.

If later we need more options, we have plenty of space in drop down menu...

Gilles Caulier
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