readme proj example and test

Author: bosborn

README.md

@@ -115,6 +115,21 @@ case OPERATION:
 
 ```
 
+#### PROJ ####
+
+```java
+
+// String wkt = ...
+
+CRS crs = CRSReader.read(wkt);
+
+ProjParams projParamsFromCRS = ProjParser.params(crs);
+String projTextFromCRS = ProjParser.paramsText(crs);
+ProjParams projParamsFromWKT = ProjParser.params(wkt);
+String projTextFromWKT = ProjParser.paramsText(wkt);
+
+```
+
 ### Installation ###
 
 Pull from the [Maven Central Repository](http://search.maven.org/#artifactdetails|mil.nga|crs|1.0.0|jar) (JAR, POM, Source, Javadoc)

src/test/java/mil/nga/crs/ReadmeTest.java

@@ -18,6 +18,8 @@
 import mil.nga.crs.parametric.ParametricCoordinateReferenceSystem;
 import mil.nga.crs.projected.ProjectedCoordinateReferenceSystem;
 import mil.nga.crs.temporal.TemporalCoordinateReferenceSystem;
+import mil.nga.crs.util.proj.ProjParams;
+import mil.nga.crs.util.proj.ProjParser;
 import mil.nga.crs.vertical.VerticalCoordinateReferenceSystem;
 import mil.nga.crs.wkt.CRSReader;
 import mil.nga.crs.wkt.CRSWriter;
@@ -51,8 +53,11 @@ public void testCRS() throws IOException {
 				+ "AXIS[\"Geodetic latitude (Lat)\",north],AXIS[\"Geodetic longitude (Lon)\",east],"
 				+ "ANGLEUNIT[\"degree\",0.0174532925199433,ID[\"EPSG\",9102]],"
 				+ "ID[\"EPSG\",4326]]";
+
 		assertEquals(wkt, testCRS(wkt));
 
+		assertEquals("+proj=longlat +datum=WGS84 +no_defs", testProj(wkt));
+
 	}
 
 	/**
@@ -161,4 +166,27 @@ private String testCRS(String wkt) throws IOException {
 		return text;
 	}
 
+	/**
+	 * Test proj
+	 *
+	 * @param wkt
+	 *            crs well-known text
+	 * @return PROJ text
+	 * @throws IOException
+	 *             upon failure
+	 */
+	private String testProj(String wkt) throws IOException {
+
+		// String wkt = ...
+
+		CRS crs = CRSReader.read(wkt);
+
+		ProjParams projParamsFromCRS = ProjParser.params(crs);
+		String projTextFromCRS = ProjParser.paramsText(crs);
+		ProjParams projParamsFromWKT = ProjParser.params(wkt);
+		String projTextFromWKT = ProjParser.paramsText(wkt);
+
+		return projTextFromWKT;
+	}
+
 }