本文整理了Java中org.geotools.ysld.parse.ZoomContext类的一些代码示例，展示了ZoomContext类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZoomContext类的具体详情如下：
包路径：org.geotools.ysld.parse.ZoomContext
类名称：ZoomContext

ZoomContext介绍

[英]Represents a mapping between zoom level and scale.
[中]表示缩放级别和比例之间的映射。

代码示例

代码示例来源：origin: geotools/geotools

private ScaleRange parseZoom(YamlMap r, YamlParseContext context) {
  if (r.has("zoom")) {
    ZoomContext zCtxt = getZoomContext(context);
    Object value = r.get("zoom");
    Tuple t = null;
    try {
      t = Tuple.of(2).parse(value);
    } catch (IllegalArgumentException e) {
      throw new IllegalArgumentException(
          String.format("Bad zoom value: '%s', must be of form [<min>,<max>]", value),
          e);
    }
    @Nullable Integer min = null;
    @Nullable Integer max = null;
    if (t.at(0) != null) {
      if (!t.strAt(0).equalsIgnoreCase("min")) {
        min = Integer.parseInt(t.strAt(0));
      }
    }
    if (t.at(1) != null) {
      if (!t.strAt(1).equalsIgnoreCase("max")) {
        max = Integer.parseInt(t.strAt(1));
      }
    }
    return zCtxt.getRange(min, max);
  } else {
    return null;
  }
}

代码示例来源：origin: geotools/geotools

@Test
public void testWGS84Scales() throws Exception {
  ZoomContext context = WellKnownZoomContextFinder.getInstance().get("DEFAULT");
  for (int i = 0; i < WGS84_SCALE_DENOMS.length; i++) {
    assertThat(
        context.getScaleDenominator(i), mCloseTo(WGS84_SCALE_DENOMS[i], 0.00000001d));
  }
}

代码示例来源：origin: geotools/geotools

@Override
  protected void validateParsed(Integer parsed, ScalarEvent evt, YsldValidateContext context) {
    if (!context.getZCtxt().isInRange(parsed)) {
      context.error(
          String.format("Zoom level %d is out of range", parsed), evt.getStartMark());
    }
  }
}

代码示例来源：origin: geotools/geotools

@SuppressWarnings("unchecked")
@Test
public void testCustomFinderOverridesWellKnown() throws IOException {
  String yaml =
      "grid:\n"
          + "  name: WebMercator\n"
          + "feature-styles: \n"
          + "- name: name\n"
          + "  rules:\n"
          + "  - zoom: "
          + tuple(0, 0);
  ZoomContextFinder finder = createMock(ZoomContextFinder.class);
  ZoomContext context = createMock(ZoomContext.class);
  expect(finder.get("WebMercator")).andReturn(context);
  expect(context.getRange(0, 0)).andReturn(new ScaleRange(42, 64));
  replay(finder, context);
  StyledLayerDescriptor sld = Ysld.parse(yaml, Arrays.asList(finder), (ResourceLocator) null);
  FeatureTypeStyle fs = SLD.defaultStyle(sld).featureTypeStyles().get(0);
  fs.rules().get(0).getMaxScaleDenominator();
  assertThat(
      (Iterable<Rule>) fs.rules(),
      hasItems(
          allOf(
              Matchers.<Rule>hasProperty(
                  "maxScaleDenominator", Matchers.closeTo(64, 0.0000001d)),
              Matchers.<Rule>hasProperty(
                  "minScaleDenominator", Matchers.closeTo(42, 0.0000001d)))));
  verify(finder, context);
}

代码示例来源：origin: org.geoserver.community/gs-ysld

@Test
public void testScaleNegativeLevel() throws Exception {
  GridSetBroker broker = createMock(GridSetBroker.class);
  GridSet set = createMock(GridSet.class);
  
  expect(broker.get("test")).andStubReturn(set);
  expect(set.getNumLevels()).andStubReturn(5);
  
  replay(broker, set);
  
  ZoomContextFinder finder = new GWCZoomContextFinder(broker);
  
  ZoomContext zContext = finder.get("test");
  
  double denom = zContext.getScaleDenominator(-1);
  
  assertThat(denom, is(Double.POSITIVE_INFINITY));
    verify(broker, set);
}

代码示例来源：origin: geotools/geotools

expect(zctxt.isInRange(0)).andStubReturn(true);
expect(zctxt.isInRange(2)).andStubReturn(true);
expect(zctxt.isInRange(5)).andStubReturn(true);
expect(zctxt.isInRange(-1)).andStubReturn(false);
expect(zctxt.isInRange(6)).andStubReturn(false);

代码示例来源：origin: geotools/geotools

@SuppressWarnings("unchecked")
@Test
public void testNamedWithFinder() throws IOException {
  String yaml =
      "grid:\n"
          + "  name: test\n"
          + "feature-styles: \n"
          + "- name: name\n"
          + "  rules:\n"
          + "  - zoom: "
          + tuple(0, 0);
  ZoomContextFinder finder = createMock(ZoomContextFinder.class);
  ZoomContext context = createMock(ZoomContext.class);
  expect(finder.get("test")).andReturn(context);
  expect(context.getRange(0, 0)).andReturn(new ScaleRange(42, 64));
  replay(finder, context);
  StyledLayerDescriptor sld = Ysld.parse(yaml, Arrays.asList(finder), (ResourceLocator) null);
  FeatureTypeStyle fs = SLD.defaultStyle(sld).featureTypeStyles().get(0);
  fs.rules().get(0).getMaxScaleDenominator();
  assertThat(
      (Iterable<Rule>) fs.rules(),
      hasItems(
          allOf(
              Matchers.<Rule>hasProperty(
                  "maxScaleDenominator", Matchers.closeTo(64, 0.0000001d)),
              Matchers.<Rule>hasProperty(
                  "minScaleDenominator", Matchers.closeTo(42, 0.0000001d)))));
  verify(finder, context);
}

代码示例来源：origin: org.geoserver.community/gs-ysld

@Test
public void testScalePastEnd() throws Exception {
  GridSetBroker broker = createMock(GridSetBroker.class);
  GridSet set = createMock(GridSet.class);
  
  expect(broker.get("test")).andStubReturn(set);
  expect(set.getNumLevels()).andStubReturn(5);
  
  replay(broker, set);
  
  ZoomContextFinder finder = new GWCZoomContextFinder(broker);
  
  ZoomContext zContext = finder.get("test");
  
  double denom = zContext.getScaleDenominator(5);
  
  assertThat(denom, is(0d));
    verify(broker, set);
}

代码示例来源：origin: org.geotools/gt-ysld

@Override
  protected void validateParsed(Integer parsed, ScalarEvent evt, YsldValidateContext context) {
    if (!context.getZCtxt().isInRange(parsed)) {
      context.error(
          String.format("Zoom level %d is out of range", parsed), evt.getStartMark());
    }
  }
}

代码示例来源：origin: org.geotools/gt-ysld

private ScaleRange parseZoom(YamlMap r, YamlParseContext context) {
  if (r.has("zoom")) {
    ZoomContext zCtxt = getZoomContext(context);
    Object value = r.get("zoom");
    Tuple t = null;
    try {
      t = Tuple.of(2).parse(value);
    } catch (IllegalArgumentException e) {
      throw new IllegalArgumentException(
          String.format("Bad zoom value: '%s', must be of form [<min>,<max>]", value),
          e);
    }
    @Nullable Integer min = null;
    @Nullable Integer max = null;
    if (t.at(0) != null) {
      if (!t.strAt(0).equalsIgnoreCase("min")) {
        min = Integer.parseInt(t.strAt(0));
      }
    }
    if (t.at(1) != null) {
      if (!t.strAt(1).equalsIgnoreCase("max")) {
        max = Integer.parseInt(t.strAt(1));
      }
    }
    return zCtxt.getRange(min, max);
  } else {
    return null;
  }
}