On 23/08/11 16:13, Richard Eckart de Castilho wrote:
> Hello Alex,
>
> you'll probably have to use cas.getIndexRepository().getAllIndexedFS(type) to
> get to your custom annotations. You can also define a custom index and then
> use cas.getIndexRepository().getIndex(label).
What Richard says. The reason is that your custom type
is not an annotation in the CAS sense, because it doesn't
inherit from uima.AnnotationFS (or whatever it's called
again exactly, I forget). So your feature structures are
not in the annotation index.
--Thilo
>
> Cheers,
>
> Richard
>
> Am 23.08.2011 um 15:54 schrieb Alexander Klenner:
>
>> Greetings,
>>
>> I am still working on my image processing. As suggested I stored the image
>> by using .setSofaDataArray and a ByteArrayFS. I also have an ImageArea Type
>> with Features for x,y,width and height describing an actual image area
>> (similar to the .getSubimage(x,y,width,height) method from java awt).
>> ImageArea extends AnnotationBase instead of Annotation to get rid of all the
>> text-specific stuff, which doesn't make much sense in this case. I also have
>> the equivalent for getCoveredText implemented, returning the annotated
>> ImageArea as a bufferedImage.
>>
>> Serialising and Deserialising works fine, the XCAS file gets quite large in
>> comparison to the original image file but that is expected. All the found
>> ImageAreas are annotated inside the XCAS with their Features set correctly.
>> That looks like this inside the XCAS.xml file:
>>
>> [...]<de.types.ImageArea _indexed="1" _id="11" _ref_sofa="4" x="16" y="153"
>> width="10" heigth="10"/><de.types.ImageArea _indexed="1" _id="17"
>> _ref_sofa="4" x="16" y="164" width="10" heigth="10"/>[...]
>>
>> Now here is my problem: I wanted to save the actual ImageAreas as images
>> using a different consumer. I just cannot find the annotations in my CAS
>> object. But the annotations are there, otherwise they would not appear
>> inside the XCAS.xml file, right? Here is what I tried:
>> ...............
>> Iterator iter = myJCas.getAnnotationIndex().iterator();
>>
>> while (iter.hasNext()) {
>> //do something
>> }
>> ...............
>> But iter is always empty, hence the while condition is never met.
>>
>> Isn't this the supposed approach to iterate over the annotations that were
>> made before? I don't get any error messages, I just cannot find my
>> annotations.
>>
>> Probably the solution is very easy but I just don't see it, again thanks for
>> any help, it's really appreciated, I have no one else to talk to about UIMA
>> but you guys on the mailing list.
>>
>> Thank you!
>>
>> Alex
>
