Hi list.
I have a netcdf store that contains multiple variables. I am trying to
serve it as a coverage view, publishing 3 variables out of a total 7. Now
the issue comes when trying to draw contour lines for 1 of the variables in
view. In addition to the contours that should be there, geoserver also
renders some additional funky contours that I have no idea where they come
from and I believe should not be there. Below is a snippet from my SLD. If
I remove the other 2 variables from my coverage view, everything seems to
be ok. It looks like geoserver does not respect band parameter and uses
data from other 2 bands also to render contours (just guessing here). Don't
see any errors in logs.
<Transformation>
<ogc:Function name="ras:Contour">
<ogc:Function name="parameter">
<ogc:Literal>data</ogc:Literal>
</ogc:Function>
<ogc:Function name="parameter">
<ogc:Literal>band</ogc:Literal>
<ogc:Literal>0</ogc:Literal>
</ogc:Function>
<ogc:Function name="parameter">
<ogc:Literal>levels</ogc:Literal>
<ogc:Literal>0.5</ogc:Literal>
<ogc:Literal>1</ogc:Literal>
<ogc:Literal>1.5</ogc:Literal>
<ogc:Literal>2</ogc:Literal>
<ogc:Literal>2.5</ogc:Literal>
<ogc:Literal>3</ogc:Literal>
<ogc:Literal>3.5</ogc:Literal>
<ogc:Literal>4</ogc:Literal>
<ogc:Literal>4.5</ogc:Literal>
<ogc:Literal>5</ogc:Literal>
</ogc:Function>
</ogc:Function>
</Transformation>
Some screenshots:
https://drive.google.com/file/d/1heaKCnozG60EBrx-tuJaV5Dxow1FoRhc/view?usp=sharing
https://drive.google.com/file/d/1pfMHjmjhGLhHqGV171UxZn7F6cbdnqKK/view?usp=sharing
https://drive.google.com/file/d/1gizFNsbXlXgOOko2fxpdZRro26LwiEPD/view?usp=sharing
A related question for the coverage view. While using ncwms extension and
the GetTimeSeries request to extract data on map click, the request returns
data only for the first band in coverage view, while I was assuming I would
get for all 3 bands. Is this expected? I've built the extension myself to
match the geoserver version. Here's the decoded request:
http://localhost:8088/geoserver/wms?REQUEST=GetTimeSeries&SERVICE=WMS&STYLES=&TRANSPARENT=true&VERSION=1.3.0&FORMAT=image/png&BBOX=21.733703613281254,58.676937672586924,22.787017822265625,59.26026554911028&HEIGHT=824&WIDTH=767&TIME=2022-09-13T12:00:00.000Z/2022-09-14T03:00:00.000Z&LAYERS=test_ws:dmi_waves&QUERY_LAYERS=test_ws:dmi_waves&INFO_FORMAT=text/csv&I=206&J=446
Geoserver version: 2.19.2
Java: openjdk version "1.8.0_332"
OS: macOS 12.5.1
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