[Geoserver-users] Choose one of two rules in rastersymbolizer

GeoServer GeoServer User
1

Hi all,

I need to get ride of the red cross representing “no data” in the “GetGraphicLegend” request.

Inline images 1

My idea is to create two different rules in the rastersymbolizer SLD style descriptor.
The rule including the “no data” values with opacity = 0 will be used in the “GetMap” request in order to get ride of the ugly background no data values.

But I would like to use another rule (without the red cross; “rule_no_redcross”) which has not “no data values” on it to show the legend of the raster without the redcross watermark in the GetLegendGraphic request.

At the moment, specifying in the GetLegendGraphic request “&rule=rule_no_redcross” I can make the red cross disappear from the legend.
But the problem is I now get the background no data values on the raster image in the GetMap request.

I think that in the GetMap request, GeoServer display all the rules for that specific style.

So resuming, I want to create two rules;

  • One rule to show the legend in the GetLegendGraphic request without the red cross on it.
  • Another rule to allow transparency to raster in the “GetMap” request.

My question:

Is it possible to add a parameter in the GetMap request to say:
hey GeoServer! I just want you to apply this style rule to this nice layer. Please, proceed.

Thanks a lot!

Alberto

2

Sounds like a good plan, just use STYLES=good_style& in your getMap request instead of the normal STYLES=& which uses the default

Ian

image.png

···

On 5 May 2016 at 16:43, Alberto Callejas Delgado <alberto.callejas@anonymised.com> wrote:

Hi all,

I need to get ride of the red cross representing “no data” in the “GetGraphicLegend” request.

Inline images 1

My idea is to create two different rules in the rastersymbolizer SLD style descriptor.
The rule including the “no data” values with opacity = 0 will be used in the “GetMap” request in order to get ride of the ugly background no data values.

But I would like to use another rule (without the red cross; “rule_no_redcross”) which has not “no data values” on it to show the legend of the raster without the redcross watermark in the GetLegendGraphic request.

At the moment, specifying in the GetLegendGraphic request “&rule=rule_no_redcross” I can make the red cross disappear from the legend.
But the problem is I now get the background no data values on the raster image in the GetMap request.

I think that in the GetMap request, GeoServer display all the rules for that specific style.

So resuming, I want to create two rules;

  • One rule to show the legend in the GetLegendGraphic request without the red cross on it.
  • Another rule to allow transparency to raster in the “GetMap” request.

My question:

Is it possible to add a parameter in the GetMap request to say:
hey GeoServer! I just want you to apply this style rule to this nice layer. Please, proceed.

Thanks a lot!

Alberto

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–

Ian Turton

3

Hi Ian,

Thanks for your answer.
Yes, I am doing that at the moment.
But I want to display just one of the two existing rules in the SLD for that style.

image.png

···

On 5 May 2016 at 16:43, Alberto Callejas Delgado <alberto.callejas@anonymised.com> wrote:

Hi all,

I need to get ride of the red cross representing “no data” in the “GetGraphicLegend” request.

Inline images 1

My idea is to create two different rules in the rastersymbolizer SLD style descriptor.
The rule including the “no data” values with opacity = 0 will be used in the “GetMap” request in order to get ride of the ugly background no data values.

But I would like to use another rule (without the red cross; “rule_no_redcross”) which has not “no data values” on it to show the legend of the raster without the redcross watermark in the GetLegendGraphic request.

At the moment, specifying in the GetLegendGraphic request “&rule=rule_no_redcross” I can make the red cross disappear from the legend.
But the problem is I now get the background no data values on the raster image in the GetMap request.

I think that in the GetMap request, GeoServer display all the rules for that specific style.

So resuming, I want to create two rules;

  • One rule to show the legend in the GetLegendGraphic request without the red cross on it.
  • Another rule to allow transparency to raster in the “GetMap” request.

My question:

Is it possible to add a parameter in the GetMap request to say:
hey GeoServer! I just want you to apply this style rule to this nice layer. Please, proceed.

Thanks a lot!

Alberto

Find and fix application performance issues faster with Applications Manager
Applications Manager provides deep performance insights into multiple tiers of
your business applications. It resolves application problems quickly and
reduces your MTTR. Get your free trial!
https://ad.doubleclick.net/ddm/clk/302982198;130105516;z

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

–

Ian Turton