Script para as propriedades Magnitude e Direção

• Vá em Styles no Geoserver e crie um novo estilo.

• Dê o nome de Windbarbs e selecione formato SLD.

• Utilize o script que segue abaixo.

• Vá no Layer desejado, abra a aba Publishing e insira o novo estilo.

• Script para Magnitude e Direção:

<StyledLayerDescriptor version="1.0.0"
  xmlns="http://www.opengis.net/sld" xmlns:gml="http://www.opengis.net/gml"
  xmlns:ogc="http://www.opengis.net/ogc" xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.opengis.net/sld ./StyledLayerDescriptor.xsd">
   <NamedLayer>
      <Name>windbarbs</Name>
      <UserStyle>
         <Title>windbarbs</Title>
         <FeatureTypeStyle>
            <Transformation>
               <ogc:Function name="ras:RasterAsPointCollection">
                  <ogc:Function name="parameter">
                     <ogc:Literal>data</ogc:Literal>
                  </ogc:Function>
                  <!-- Activate the logic to recognize the emisphere -->
                  <ogc:Function name="parameter">
                    <ogc:Literal>emisphere</ogc:Literal>
                    <ogc:Literal>True</ogc:Literal>
                  </ogc:Function>
                  <ogc:Function name="parameter">
                    <ogc:Literal>interpolation</ogc:Literal>
                    <ogc:Literal>InterpolationBilinear</ogc:Literal>
                  </ogc:Function>
                  <ogc:Function name="parameter">
                    <ogc:Literal>scale</ogc:Literal>
                    <ogc:Function name="Categorize">
                     <ogc:Function name="env">
                       <ogc:Literal>wms_scale_denominator</ogc:Literal>
                     </ogc:Function>
                       <ogc:Literal>16</ogc:Literal>
                       <ogc:Literal>100000</ogc:Literal>
                       <ogc:Literal>8</ogc:Literal>
                       <ogc:Literal>500000</ogc:Literal>
                       <ogc:Literal>2</ogc:Literal>
                       <ogc:Literal>1000000</ogc:Literal>
                       <ogc:Literal>0.5</ogc:Literal>
                       <ogc:Literal>5000000</ogc:Literal>
                       <ogc:Literal>0.2</ogc:Literal>
                       <ogc:Literal>10000000</ogc:Literal>
                       <ogc:Literal>0.1</ogc:Literal>
                       <ogc:Literal>20000000</ogc:Literal>
                       <ogc:Literal>0.05</ogc:Literal>
                       <ogc:Literal>60000000</ogc:Literal>
                       <ogc:Literal>0.02</ogc:Literal>
                    </ogc:Function>
                  </ogc:Function>
               </ogc:Function>
            </Transformation>
            <Rule>
               <PointSymbolizer>
                  <Graphic>
                     <Mark>
                       <WellKnownName>windbarbs://default(
                        <ogc:Function name="sqrt">
                              <ogc:Mul>
                                <ogc:PropertyName>mag</ogc:PropertyName>
                                <ogc:PropertyName>mag</ogc:PropertyName>
                              </ogc:Mul>
                         </ogc:Function>)[m/s]?emisphere=
                        <ogc:PropertyName>emisphere</ogc:PropertyName>
                       </WellKnownName>
                          <Stroke>
                             <CssParameter name="stroke">000000</CssParameter>
                             <CssParameter name="stroke-width">1</CssParameter>
                          </Stroke>
                       </Mark>
                       <Size>
                        <ogc:Function name="Categorize">
                                 <ogc:PropertyName>mag</ogc:PropertyName>
                              <ogc:Literal>8</ogc:Literal>
                              <ogc:Literal>1.543333332</ogc:Literal>
                              <ogc:Literal>32</ogc:Literal>
                           </ogc:Function>
                       </Size>
                       <Rotation>
                          <ogc:Function name="Categorize">
                              <ogc:PropertyName>dir</ogc:PropertyName>                      

                               <!-- Output values and thresholds -->
                               <ogc:Literal>0</ogc:Literal>
                               <ogc:Literal>1.543333332</ogc:Literal>
                            <ogc:PropertyName>dir</ogc:PropertyName>                            
                        </ogc:Function>
                     </Rotation>
                  </Graphic>
               </PointSymbolizer>
               <PointSymbolizer>
                  <Graphic>
                     <Mark>
                       <WellKnownName>circle</WellKnownName>
                        <Fill>
                           <CssParameter name="fill">
                              <ogc:Literal>#ff0000</ogc:Literal>
                           </CssParameter>
                        </Fill>
                     </Mark>
                     <Size>3</Size>
                  </Graphic>
               </PointSymbolizer>
            </Rule>
         </FeatureTypeStyle>
      </UserStyle>
   </NamedLayer>
</StyledLayerDescriptor>