rdf4j-postgis  Version 0.1.0.0
Public Member Functions | Static Public Member Functions | Package Attributes | List of all members
CoverageJsonWriter Class Reference
Collaboration diagram for CoverageJsonWriter:
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Public Member Functions

 CoverageJsonWriter (GridCoverage coverage)
 

Static Public Member Functions

static JSONObject coverageToCovJSON (GridCoverage coverage)
 

Package Attributes

GridCoverage coverage
 

Constructor & Destructor Documentation

◆ CoverageJsonWriter()

CoverageJsonWriter ( GridCoverage  coverage)
41  {
42  this.coverage=coverage;
43  }

References CoverageJsonWriter.coverage.

Member Function Documentation

◆ coverageToCovJSON()

static JSONObject coverageToCovJSON ( GridCoverage  coverage)
static
45  {
46  JSONObject result=new JSONObject();
47  result.put("type","Coverage");
48  JSONObject domain=new JSONObject();
49  result.put("domain",domain);
50  domain.put("type", "Domain");
51  domain.put("domainType", "Grid");
52  JSONArray geocoords=new JSONArray();
53  JSONArray tempcoords=new JSONArray();
54  JSONObject axes=new JSONObject();
55  domain.put("axes",axes);
56  for(int i=0;i<coverage.getGridGeometry().getExtent().getDimension();i++) {
57  if(coverage.getGridGeometry().getExtent().getAxisType(i).get().equals(DimensionNameType.COLUMN)) {
58  axes.put("x",new JSONObject());
59  geocoords.put("x");
60  }
61  else if(coverage.getGridGeometry().getExtent().getAxisType(i).get().equals(DimensionNameType.ROW)) {
62  axes.put("y",new JSONObject());
63  geocoords.put("y");
64  }
65  else if(coverage.getGridGeometry().getExtent().getAxisType(i).get().equals(DimensionNameType.VERTICAL)) {
66  axes.put("z",new JSONObject());
67  geocoords.put("z");
68  }
69  else if(coverage.getGridGeometry().getExtent().getAxisType(i).get().equals(DimensionNameType.TIME)) {
70  axes.put("t",new JSONObject());
71  tempcoords.put("t");
72  }
73  }
74  JSONArray referencing=new JSONArray();
75  domain.put("referencing", referencing);
76  if(!geocoords.isEmpty()) {
77  JSONObject crs=new JSONObject();
78  JSONObject tcrs=new JSONObject();
79  crs.put("system",tcrs);
80  crs.put("coordinates",geocoords);
81  referencing.put(crs);
82  tcrs.put("type", "GeopraphicCRS");
83  try {
84  if(coverage.getCoordinateReferenceSystem()!=null) {
85  tcrs.put("id", coverage.getCoordinateReferenceSystem().getName());
86  }
87  }catch(Exception e) {
88  e.printStackTrace();
89  }
90  }
91  if(!tempcoords.isEmpty()) {
92  JSONObject tcrs=new JSONObject();
93  JSONObject tcrstype=new JSONObject();
94  tcrs.put("coordinates",new JSONArray());
95  tcrs.put("system",tcrstype);
96  tcrs.put("type", "TemporalRS");
97  tcrs.put("calendar", "Gregorian");
98  referencing.put(tcrs);
99  }
100  //if(coverage.getGridGeometry().getTemporalExtent().length!=0) {
101 
102  //}
103  JSONObject ranges=new JSONObject();
104  result.put("ranges",ranges);
105  JSONObject parameters=new JSONObject();
106  result.put("parameters", parameters);
107  for(SampleDimension dimension:coverage.getSampleDimensions()) {
108  JSONObject sampledim=new JSONObject();
109  parameters.put(dimension.getName().toString(),sampledim);
110  JSONObject paramrange=new JSONObject();
111  ranges.put(dimension.getName().toString(),paramrange);
112  paramrange.put("type","NdArray");
113  paramrange.put("dataType","float");
114  JSONArray axiss=new JSONArray();
115  paramrange.put("axisNames",axiss);
116  for(String ax:axes.keySet()) {
117  axiss.put(ax);
118  }
119  paramrange.put("shape",new JSONArray());
120  paramrange.put("values",new JSONArray());
121  sampledim.put("type","Parameter");
122  JSONObject description=new JSONObject();
123  sampledim.put("description",description);
124  description.put("en",dimension.getName().toString());
125  if(dimension.getUnits()!=null && dimension.getUnits().isPresent()) {
126  JSONObject unit=new JSONObject();
127  sampledim.put("unit",unit);
128  JSONObject unitlabel=new JSONObject();
129  unit.put("label",unitlabel);
130  unitlabel.put("en",dimension.getUnits().get().getName());
131  JSONObject symbol=new JSONObject();
132  unit.put("symbol",symbol);
133  symbol.put("value",dimension.getUnits().get());
134  }
135  JSONObject observedProperty=new JSONObject();
136  sampledim.put("observedProperty",observedProperty);
137  JSONObject catencoding=null;
138  if(dimension.getCategories()!=null && !dimension.getCategories().isEmpty()) {
139  catencoding=new JSONObject();
140  JSONArray categories=new JSONArray();
141  observedProperty.put("categories",categories);
142  for(Category cat:dimension.getCategories()) {
143  JSONObject category=new JSONObject();
144  JSONObject catlabel=new JSONObject();
145  category.put("label",catlabel);
146  catlabel.put("en",dimension.getUnits().get().getName());
147  JSONObject catdesc=new JSONObject();
148  category.put("description",catdesc);
149  catdesc.put("en",dimension.getUnits().get().getName());
150  categories.put(category);
151  }
152  }
153  if(catencoding!=null) {
154  observedProperty.put("categoryEncoding",catencoding);
155  }
156  JSONObject oPLabel=new JSONObject();
157  observedProperty.put("label",oPLabel);
158  /*oPLabel.put("en",dimension.)
159 
160  dimension.getCategories();
161  dimension.getMeasurementRange()*/
162  }
163 
164 
165  return result;
166  }

References CoverageJsonWriter.coverage.

Referenced by CoverageJSONReader.main().

Member Data Documentation

◆ coverage

GridCoverage coverage
package

Referenced by CoverageJsonWriter.CoverageJsonWriter(), and CoverageJsonWriter.coverageToCovJSON().