WMSMapContent createMapContext(QName layer, String style) throws Exception {
// create a map context
WMSMapContent mapContent = new WMSMapContent();
mapContent.addLayer(createMapLayer(layer, style));
mapContent.setMapHeight(256);
mapContent.setMapWidth(256);
GetMapRequest getMapRequest = createGetMapRequest(new QName[] {layer});
getMapRequest.setWidth(256);
getMapRequest.setHeight(256);
mapContent.setRequest(getMapRequest);
mapContent
.getViewport()
.setBounds(new ReferencedEnvelope(-180, 180, -90, 90, DefaultGeographicCRS.WGS84));
return mapContent;
}
@Test
public void testExternalImageSize() throws Exception {
GetMapRequest req = createGetMapRequest(MockData.STREAMS);
req.setWidth(256);
req.setHeight(256);
WMSMapContent mapContent = new WMSMapContent(req);
mapContent.addLayer(createMapLayer(MockData.STREAMS, "big-local-image"));
mapContent
.getViewport()
.setBounds(new ReferencedEnvelope(-180, 0, -90, 90, DefaultGeographicCRS.WGS84));
mapContent.setMapHeight(256);
mapContent.setMapWidth(256);
KMLMapOutputFormat of = new KMLMapOutputFormat(getWMS());
KMLMap map = of.produceMap(mapContent);
ByteArrayOutputStream bout = new ByteArrayOutputStream();
new KMLEncoder().encode(map.getKml(), bout, null);
Document document = dom(new ByteArrayInputStream(bout.toByteArray()));
assertEquals("kml", document.getDocumentElement().getNodeName());
assertEquals(1, document.getElementsByTagName("Style").getLength());
XMLAssert.assertXpathExists("//kml:IconStyle/kml:scale", document);
XPath xPath = XPathFactory.newInstance().newXPath();
initXPath(xPath);
Double scale =
(Double)
xPath.evaluate(
"//kml:IconStyle/kml:scale", document.getDocumentElement(), XPathConstants.NUMBER);
assertEquals(42d / 16d, scale, 0.01);
}