read RasterSymbolizer

geostyler · Apr 9, 2019 · 84d0961 · 84d0961
1 parent 3c2c48e
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diff --git a/data/slds/raster_simpleRaster.sld b/data/slds/raster_simpleRaster.sld
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<StyledLayerDescriptor version="1.0.0"
+    xsi:schemaLocation="http://www.opengis.net/sld StyledLayerDescriptor.xsd"
+    xmlns="http://www.opengis.net/sld"
+    xmlns:ogc="http://www.opengis.net/ogc"
+    xmlns:xlink="http://www.w3.org/1999/xlink"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <NamedLayer>
+    <Name>Simple Raster</Name>
+    <UserStyle>
+      <Title>Simple Raster</Title>
+      <FeatureTypeStyle>
+        <Rule>
+          <Name>Small populated New Yorks</Name>
+          <RasterSymbolizer>
+            <Opacity>0.5</Opacity>
+            <ChannelSelection>
+              <RedChannel>
+                <SourceChannelName>1</SourceChannelName>
+              </RedChannel>
+              <BlueChannel>
+                <SourceChannelName>2</SourceChannelName>
+                <ContrastEnhancement>
+                  <Histogram/>
+                  <GammaValue>2</GammaValue>
+                </ContrastEnhancement>
+              </BlueChannel>
+              <GreenChannel>
+                <SourceChannelName>3</SourceChannelName>
+                <ContrastEnhancement>
+                  <Normalize/>
+                </ContrastEnhancement>
+              </GreenChannel>
+            </ChannelSelection>
+            <ColorMap type="ramp">
+              <ColorMapEntry color="#323232" quantity="-300" label="label1" opacity="1"/>
+              <ColorMapEntry color="#BBBBBB" quantity="200" label="label2" opacity="1"/> 
+            </ColorMap>
+            <ContrastEnhancement>
+              <Histogram/>
+            </ContrastEnhancement>
+          </RasterSymbolizer>
+        </Rule>
+      </FeatureTypeStyle>
+    </UserStyle>
+  </NamedLayer>
+</StyledLayerDescriptor>
diff --git a/data/styles/raster_simpleRaster.ts b/data/styles/raster_simpleRaster.ts
@@ -0,0 +1,49 @@
+import { Style } from 'geostyler-style';
+
+const rasterSimpleRaster: Style = {
+  'name': 'Simple Raster',
+  'rules': [{
+    'name': 'Small populated New Yorks',
+    'symbolizers': [{
+      'kind': 'Raster',
+      'opacity': 0.5,
+      'channelSelection': {
+        'redChannel': {
+          'sourceChannelName': '1'
+        },
+        'blueChannel': {
+          'sourceChannelName': '2',
+          'contrastEnhancement': {
+            'enhancementType': 'histogram',
+            'gammaValue': 2
+          }
+        },
+        'greenChannel': {
+          'sourceChannelName': '3',
+          'contrastEnhancement': {
+            'enhancementType': 'normalize'
+          }
+        }
+      },
+      'colorMap': {
+        'type': 'ramp',
+        'colorMapEntries': [{
+          'color': '#323232',
+          'quantity': -300,
+          'label': 'label1',
+          'opacity': 1
+        }, {
+          'color': '#BBBBBB',
+          'quantity': 200,
+          'label': 'label2',
+          'opacity': 1
+        }]
+      },
+      'contrastEnhancement': {
+        'enhancementType': 'histogram'
+      }
+    }]
+  }]
+};
+
+export default rasterSimpleRaster;
diff --git a/data/xml2jsObjects/raster_simpleRaster.json b/data/xml2jsObjects/raster_simpleRaster.json
@@ -0,0 +1,115 @@
+{
+  "StyledLayerDescriptor": {
+    "$": {
+      "version": "1.0.0",
+      "xsi:schemaLocation": "http://www.opengis.net/sld StyledLayerDescriptor.xsd",
+      "xmlns": "http://www.opengis.net/sld",
+      "xmlns:ogc": "http://www.opengis.net/ogc",
+      "xmlns:xlink": "http://www.w3.org/1999/xlink",
+      "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance"
+    },
+    "NamedLayer": [
+      {
+        "Name": [
+          "Simple Raster"
+        ],
+        "UserStyle": [
+          {
+            "Title": [
+              "Simple Raster"
+            ],
+            "FeatureTypeStyle": [
+              {
+                "Rule": [
+                  {
+                    "RasterSymbolizer": [
+                      {
+                        "Opacity": [
+                          "0.5"
+                        ],
+                        "ChannelSelection": [
+                          {
+                            "RedChannel": [
+                              {
+                                "SourceChannelName": [
+                                  "1"
+                                ]
+                              }
+                            ],
+                            "BlueChannel": [
+                              {
+                                "SourceChannelName": [
+                                  "2"
+                                ],
+                                "ContrastEnhancement": [
+                                  {
+                                    "Histogram": [
+                                      ""
+                                    ],
+                                    "GammaValue": [
+                                      "2"
+                                    ]
+                                  }
+                                ]
+                              }
+                            ],
+                            "GreenChannel": [
+                              {
+                                "SourceChannelName": [
+                                  "3"
+                                ],
+                                "ContrastEnhancement": [
+                                  {
+                                    "Normalize": [
+                                      ""
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ],
+                        "ColorMap": [
+                          {
+                            "$": {
+                              "type": "ramp"
+                            },
+                            "ColorMapEntry": [
+                              {
+                                "$": {
+                                  "color": "#323232",
+                                  "quantity": "-300",
+                                  "label": "label1",
+                                  "opacity": "1"
+                                }
+                              },
+                              {
+                                "$": {
+                                  "color": "#BBBBBB",
+                                  "quantity": "200",
+                                  "label": "label2",
+                                  "opacity": "1"
+                                }
+                              }
+                            ]
+                          }
+                        ],
+                        "ContrastEnhancement": [
+                          {
+                            "Histogram": [
+                              ""
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ]
+      }
+    ]
+  }
+}
diff --git a/src/SldStyleParser.spec.ts b/src/SldStyleParser.spec.ts
@@ -27,6 +27,7 @@ import point_simplecross from '../data/styles/point_simplecross';
 import point_simplex from '../data/styles/point_simplex';
 import point_simpleslash from '../data/styles/point_simpleslash';
 import point_styledLabel_literalPlaceholder from '../data/styles/point_styledLabel_literalPlaceholder';
+import raster_simpleraster from '../data/styles/raster_simpleRaster';
 
 it('SldStyleParser is defined', () => {
   expect(SldStyleParser).toBeDefined();
@@ -227,6 +228,15 @@ describe('SldStyleParser implements StyleParser', () => {
           expect(geoStylerStyle).toEqual(point_styledlabel);
         });
     });
+    it('can read a SLD RasterSymbolizer', () => {
+      expect.assertions(2);
+      const sld = fs.readFileSync('./data/slds/raster_simpleRaster.sld', 'utf8');
+      return styleParser.readStyle(sld)
+        .then((geoStylerStyle: Style) => {
+          expect(geoStylerStyle).toBeDefined();
+          expect(geoStylerStyle).toEqual(raster_simpleraster);
+        });
+    });
     it('can read a SLD style with a filter', () => {
       expect.assertions(2);
       const sld = fs.readFileSync( './data/slds/point_simplepoint_filter.sld', 'utf8');