Good afternoon,
Andrea, thank you for your response and insight.
Actually yes, the similar issue was described here https://gis.
stackexchange.com/questions/303023/geoserver-sld-contours-fail-to-draw-some-
times-when-panning-using-layer-preview
There contour raster transformation does not work, while for me it does even
if underlying raster gets computed by Jiffle, but the same computation on
the raster directly does not work.
I will open a JIRA ticket documenting the issue.
Best,
Lubomir Bucek
---------- Původní e-mail ----------
Od: Andrea Aime <[email protected]>
Komu: Lubomír Bucek <[email protected]>
Datum: 24. 11. 2018 11:46:50
Předmět: Re: [Geoserver-users] Ras:Jiffle operation limited to SRS bounds
when wms bbox is larger than that
"
Hi,
a similar question was posted lately... somewhere (can't remember if here or
on stackoverflow).
Basically what seems to be happening (from a cursory look in the code), is
that rendering transformations
generating raster data do not benefit from the "advanced projection
handling" and "dateline wrapping"
machinery, as such they can only render the true source locations, but do
not get replicated across the dateline.
If you want, you can open a ticket on our bug tracker and ask for an
improvement on this.
The best way to get the change actually happen in the short term is to
either code it yourself (I can give you
pointers on how that could be done) or sponsor someone to do it for you, you
can check http://geoserver.org/support/(http://geoserver.org/support/)
Cheers
Andrea
On Sat, Nov 24, 2018 at 12:47 AM Lubomír Bucek <[email protected]
(mailto:[email protected])> wrote:
"
Hello!
I am not really sure if this is the right place to report it, or geotools
repository would be more appropriate.
I am using Ras:Jiffle operation on GeoServer layer in SLD style, but when
the processing area of Ras:Jiffle is larger than SRS bounds - crossing
datetime line for webmercator for example, the raster is visible only inside
the SRS bounds, even though other elements are correctly visible.
First image shows global pressure with cut raster on date line.
(webmercator) This example layer uses Jiffle.
https://www.dropbox.com/s/7yi3fg1zjb58fed/pressure.png?dl=0
(https://www.dropbox.com/s/7yi3fg1zjb58fed/pressure.png?dl=0)
Second image shows global temperature. This example layer does not use
Jiffle.
https://www.dropbox.com/s/b09t4v3bbjrrggg/temp.png?dl=0
(https://www.dropbox.com/s/b09t4v3bbjrrggg/temp.png?dl=0)
Queried BBOX is extended webmercator BBOX in the X coordinate around 1.5
times and is the same for both examples: &bbox=-3.00360832789244E7%2C-
2.00496140146E7%2C3.00375042789244E7%2C2.005866104014594E7
Part of SLD style for pressure: Jiffle for example divides pressure by 100.
Contours are drawn outside of bbox even though Jiffle is used for them too,
while ColorMap is not.
<FeatureTypeStyle>
<Transformation>
<ogc:Function name="ras:Jiffle">
<ogc:Function name="parameter">
<ogc:Literal>coverage</ogc:Literal>
</ogc:Function>
<ogc:Function name="parameter">
<ogc:Literal>script</ogc:Literal>
<ogc:Literal>
pres = src[0];
dest = pres / 100.0;
</ogc:Literal>
</ogc:Function>
</ogc:Function>
</Transformation>
<Rule>
<RasterSymbolizer>
<Opacity>0.4</Opacity>
<ColorMap>
<ColorMapEntry color="#FFFFFF" quantity="950" opacity="1" />
<ColorMapEntry color="#9380F7" quantity="960" opacity="1" />
<ColorMapEntry color="#7986f8" quantity="970" opacity="1" />
<ColorMapEntry color="#6EB7F8" quantity="980" opacity="1" />
<ColorMapEntry color="#60CDF6" quantity="985" opacity="1" />
<ColorMapEntry color="#51F1F4" quantity="990" opacity="1" />
<ColorMapEntry color="#3BF49D" quantity="995" opacity="1" />
<ColorMapEntry color="#9AF32D" quantity="1000" opacity="1" />
<ColorMapEntry color="#DAF32B" quantity="1005" opacity="1" />
<ColorMapEntry color="#F3CA27" quantity="1010" opacity="1" />
<ColorMapEntry color="#F2641E" quantity="1015" opacity="1" />
<ColorMapEntry color="#DD151E" quantity="1020" opacity="1" />
<ColorMapEntry color="#85093E" quantity="1030" opacity="1" />
<ColorMapEntry color="#180112" quantity="1040" opacity="1" />
</ColorMap>
</RasterSymbolizer>
</Rule>
<FeatureTypeStyle>
</FeatureTypeStyle>
<Transformation>
<ogc:Function name="ras:Contour">
<ogc:Function name="parameter">
<ogc:Literal>data</ogc:Literal>
<ogc:Function name="ras:Jiffle">
<ogc:Function name="parameter">
<ogc:Literal>coverage</ogc:Literal>
</ogc:Function>
<ogc:Function name="parameter">
<ogc:Literal>script</ogc:Literal>
<ogc:Literal>
pres = src[0];
dest = pres / 100.0;
</ogc:Literal>
</ogc:Function>
</ogc:Function>
</ogc:Function>
<ogc:Function name="parameter">
<ogc:Literal>levels</ogc:Literal>
levels...
Is it just that I should specify something inside the Jiffle code block to
display the raster even outside SRS bounds or is this expected behaviour?
Thanks for maybe shedding some light into this mystery.
Best,
Lubomir Bucek
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Please make sure you read the following two resources before posting to this
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If you want to request a feature or an improvement, also see this:
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