From 6523c1f6534042d89ff8a07d4e7c06050276521e Mon Sep 17 00:00:00 2001
From: ?? ? <ulysseskao@ximple.com.tw>
Date: Thu, 22 Apr 2010 16:31:12 +0800
Subject: [PATCH] dgn7 write function for complex chain
---
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7TextElementReaderTest.java | 1
xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Dgn7fileWriter.java | 15 ++
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7OracleReaderTest.java | 1
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileWriterTest.java | 47 ++-----
.gitattributes | 1
xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ComplexChainElement.java | 25 ++++
xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Element.java | 23 +++
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/ElementFactoryTest.java | 177 +++++++++++++++++++++++++++++
xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ElementFactory.java | 23 +++
9 files changed, 272 insertions(+), 41 deletions(-)
diff --git a/.gitattributes b/.gitattributes
index 975754f..ad1b2e2 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -39,6 +39,7 @@
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7TextElementReaderTest.java svneol=native#text/plain
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileReaderTest.java svneol=native#text/plain
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileWriterTest.java -text svneol=unset#text/plain
+xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/ElementFactoryTest.java -text svneol=unset#text/plain
xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/OracleTarget.java svneol=native#text/plain
xdgnjobs/ximple-dgnio/src/test/resources/com/ximple/io/dgn7/test-data/Demo.dgn -text
xdgnjobs/ximple-dgnio/src/test/resources/com/ximple/io/dgn7/test-data/HV88491-1.dgn -text
diff --git a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ComplexChainElement.java b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ComplexChainElement.java
index a5d7980..ef07d30 100644
--- a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ComplexChainElement.java
+++ b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ComplexChainElement.java
@@ -1,6 +1,7 @@
package com.ximple.io.dgn7;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
@@ -155,10 +156,32 @@
return factory.createMultiLineString(lines);
}
- public double getElementSize() {
+ public short getTotalLength() {
return raw[18];
}
+ protected void setTotalLength(short value) {
+ raw[18] = value;
+ }
+
+ public short getNumOfElement() {
+ return raw[19];
+ }
+
+ protected void setNumOfElement(short value) {
+ raw[19] = value;
+ }
+
+
+ public short[] getAttributes() {
+ return Arrays.copyOfRange(raw, 20, 23);
+ }
+
+ protected void setAttributes(short[] values) {
+ if (values.length < 4) return;
+ System.arraycopy(values, 0, raw, 20, 24 - 20);
+ }
+
public boolean isClosed() {
if (isEmpty()) {
return false;
diff --git a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Dgn7fileWriter.java b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Dgn7fileWriter.java
index fded903..6e475cd 100644
--- a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Dgn7fileWriter.java
+++ b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Dgn7fileWriter.java
@@ -304,8 +304,19 @@
}
public void writeElement(Element element) throws IOException {
- // element.raw
if (element == null) return;
+ if (element.getElementType().isComplexElement()) {
+ writeTo(element);
+ ComplexElement complexElement = (ComplexElement) element;
+ for (Element component : complexElement) {
+ writeTo(component);
+ }
+ } else {
+ writeTo(element);
+ }
+ }
+
+ private void writeTo(Element element) throws IOException {
ByteBuffer writeBuffer = ByteBuffer.allocateDirect(element.raw.length * 2);
writeBuffer.order(ByteOrder.LITTLE_ENDIAN);
for (short word : element.raw) {
@@ -316,6 +327,8 @@
channel.write(writeBuffer);
}
+
+
public void toEnd() throws IOException, Dgn7fileException {
while (hasNext()) {
nextElement();
diff --git a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Element.java b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Element.java
index 91f0198..5c44664 100644
--- a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Element.java
+++ b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/Element.java
@@ -17,7 +17,6 @@
*
* @author Ulysses
* @version 0.1
- * @since 2006/5/18 �W�� 11:14:50
*/
public class Element {
public static final int CONSTRUCTION_CLASS = 0;
@@ -85,6 +84,10 @@
raw[5] = (short) (temp >> 16 & 0x0000ffff);
raw[4] = (short) (temp & 0x0000ffff);
+ // lowZ
+ raw[7] = 0;
+ raw[8] = 0;
+
int highCoorX = DgnUtility.converCoordToUnit(bbox.getMaxX());
temp = DgnUtility.converToDGN(highCoorX);
raw[9] = (short) (temp >> 16 & 0x0000ffff);
@@ -94,6 +97,11 @@
temp = DgnUtility.converToDGN(highCoorY);
raw[11] = (short) (temp >> 16 & 0x0000ffff);
raw[10] = (short) (temp & 0x0000ffff);
+
+ // highZ
+ raw[13] = (short) 0xffff;
+ raw[12] = (short) 0xffff;
+
}
public boolean isComponentElement() {
@@ -163,6 +171,15 @@
}
}
+ public short getFollowLength() {
+ return raw[1];
+ }
+
+ protected void setFollowLength(short value) {
+ assert (raw.length >= value + 2);
+ raw[1] = value;
+ }
+
public void addUserAttributeData(byte[] pDataBlock, Class dataClass, int iLinkageId) throws Element.Exception {
}
@@ -183,6 +200,10 @@
return true;
}
+ public int getUserAttributeDataOffset() {
+ return (raw[15] + 16);
+ }
+
public List<UserAttributeData> getUserAttributeData() {
short[] data;
short length, nextAttribute;
diff --git a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ElementFactory.java b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ElementFactory.java
index dc52e46..34dda57 100644
--- a/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ElementFactory.java
+++ b/xdgnjobs/ximple-dgnio/src/main/java/com/ximple/io/dgn7/ElementFactory.java
@@ -9,11 +9,11 @@
import java.util.LinkedList;
public class ElementFactory {
- private static final int DEFAULT_ELMHEAD_LENGTH = 28;
- private static final int DEFAULT_DISPHEAD_LENGTH = 8;
- private static final int MINIMAL_ELEMLENGTH = 18 * 2;
+ static final int DEFAULT_ELMHEAD_LENGTH = 28;
+ static final int DEFAULT_DISPHEAD_LENGTH = 8;
+ static final int MINIMAL_ELEMLENGTH = 18 * 2;
- private static final int MAXINUM_LINESTRING_PTLEN = 100;
+ static final int MAXINUM_LINESTRING_PTLEN = 100;
private static ElementFactory elementFactory = new ElementFactory();
private static GeometryFactory factory = new GeometryFactory();
@@ -35,6 +35,7 @@
}
element.setVerticeSize(pts.length);
element.setType(ElementType.SHAPE.id);
+ element.setFollowLength((short) ((elmsize / 2) - 2));
element.setRange(ring.getEnvelopeInternal());
element.setLevelIndex(0);
element.setColorIndex(0);
@@ -52,6 +53,7 @@
}
element.setVerticeSize(pts.length);
element.setType(ElementType.LINESTRING.id);
+ element.setFollowLength((short) ((elmsize / 2) - 2));
element.setLevelIndex(0);
element.setColorIndex(0);
element.setWeight(0);
@@ -68,6 +70,7 @@
}
element.setVerticeSize(pts.length);
element.setType(ElementType.SHAPE.id);
+ element.setFollowLength((short) ((elmsize / 2) - 2));
element.setLevelIndex(0);
element.setColorIndex(0);
element.setWeight(0);
@@ -80,13 +83,16 @@
Coordinate[] allpts = linestring.getCoordinates();
int segsize = allpts.length / MAXINUM_LINESTRING_PTLEN;
int currentpos = 0;
+ int totalLength = 0;
for (int seg = 0; seg < segsize; seg++) {
Coordinate[] pts = Arrays.copyOfRange(allpts,
- currentpos, currentpos + MAXINUM_LINESTRING_PTLEN, Coordinate[].class);
+ currentpos, currentpos + MAXINUM_LINESTRING_PTLEN + 1, Coordinate[].class);
LineStringElement element = elementFactory.createLineStringElement(pts);
currentpos += MAXINUM_LINESTRING_PTLEN;
element.setRange(element.toGeometry(factory).getEnvelopeInternal());
element.setComponentElement(true);
+ element.setLevelIndex(0);
+ totalLength += element.raw.length;
elms.add(element);
}
int remain = allpts.length % MAXINUM_LINESTRING_PTLEN;
@@ -95,12 +101,19 @@
LineStringElement element = elementFactory.createLineStringElement(pts);
element.setRange(element.toGeometry(factory).getEnvelopeInternal());
element.setComponentElement(true);
+ element.setLevelIndex(0);
elms.add(element);
+ totalLength += element.raw.length;
ComplexChainElement result = new ComplexChainElement(new byte[MINIMAL_ELEMLENGTH + 12]);
result.addAll(elms);
result.setRange(linestring.getEnvelopeInternal());
result.setType(ElementType.COMPLEXCHAIN.id);
+ result.setFollowLength((short) (((MINIMAL_ELEMLENGTH + 12) / 2) - 2));
+ result.setNumOfElement((short) elms.size());
+ totalLength += result.raw.length;
+ totalLength -= 19;
+ result.setTotalLength((short) totalLength);
result.setLevelIndex(0);
result.setColorIndex(0);
result.setWeight(0);
diff --git a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7OracleReaderTest.java b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7OracleReaderTest.java
index 18992ac..0996150 100644
--- a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7OracleReaderTest.java
+++ b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7OracleReaderTest.java
@@ -17,7 +17,6 @@
* Dgn7OracleReaderTest
* User: Ulysses
* Date: 2007/10/24
- * Time: �W�� 10:49:54
*/
public class Dgn7OracleReaderTest {
@BeforeTest
diff --git a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7TextElementReaderTest.java b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7TextElementReaderTest.java
index 92a3c0b..54d8808 100644
--- a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7TextElementReaderTest.java
+++ b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7TextElementReaderTest.java
@@ -17,7 +17,6 @@
* Dgn7TextElementReaderTest
* User: Ulysses
* Date: 2008/1/10
- * Time: �W�� 12:19:14
*/
public class Dgn7TextElementReaderTest {
private final static Logger logger = Logger.getLogger(Dgn7fileReaderTest.class);
diff --git a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileWriterTest.java b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileWriterTest.java
index 0e8c65d..2d87990 100644
--- a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileWriterTest.java
+++ b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/Dgn7fileWriterTest.java
@@ -3,6 +3,7 @@
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.geotools.TestData;
+import org.testng.Assert;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
@@ -58,52 +59,31 @@
if (record.element() != null) {
Element element = (Element) record.element();
ElementType type = element.getElementType();
-
+ boolean completed = false;
if ((!type.isComplexElement()) && (!element.isComponentElement())) {
if (lastComplex != null) {
// @todo add process in here
+ processCompleteElement(lastComplex, writer);
lastComplex = null;
}
// @todo add process in here
+ processCompleteElement(element, writer);
} else if (element.isComponentElement()) {
if (lastComplex != null) {
((ComplexElement) lastComplex).add(element);
+ } else {
+ logger.warn("wong." + element.toString());
+ Assert.fail("Component Element cannot found parent.");
}
} else if (type.isComplexElement()) {
- if (lastComplex == null) {
- lastComplex = element;
- } else {
+ if (lastComplex != null) {
// @todo add process in here
- lastComplex = element;
+ processCompleteElement(lastComplex, writer);
}
+ lastComplex = element;
}
-
- if (element.getElementType().isComplexElement()) {
- if (element instanceof ComplexChainElement) {
- ComplexChainElement complexChain = (ComplexChainElement) element;
- int size = complexChain.size();
- for (Object aComplexChain : complexChain) {
- Element subElement = (Element) aComplexChain;
- subElement.getType();
- }
- }
-
- if (element instanceof ComplexShapeElement) {
- ComplexShapeElement complexShape = (ComplexShapeElement) element;
- }
-
- if (element instanceof TextNodeElement) {
- TextNodeElement textNode = (TextNodeElement) element;
- int size = textNode.size();
- for (int i = 0; i < size; i++) {
- Element subElement = textNode.get(i);
- subElement.getElementType();
- }
- }
- }
-
- writer.writeElement(element);
+ // writer.writeElement(element);
}
count++;
}
@@ -112,4 +92,9 @@
// FileUtils.copyFile(target, new File("G://target.dgn"));
}
+
+ private boolean processCompleteElement(Element element, Dgn7fileWriter writer) throws IOException {
+ writer.writeElement(element);
+ return true;
+ }
}
diff --git a/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/ElementFactoryTest.java b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/ElementFactoryTest.java
new file mode 100644
index 0000000..eaa5d73
--- /dev/null
+++ b/xdgnjobs/ximple-dgnio/src/test/java/com/ximple/io/dgn7/ElementFactoryTest.java
@@ -0,0 +1,177 @@
+package com.ximple.io.dgn7;
+
+import com.vividsolutions.jts.geom.CoordinateList;
+import com.vividsolutions.jts.geom.GeometryFactory;
+import com.vividsolutions.jts.geom.LineString;
+import com.vividsolutions.jts.geom.MultiLineString;
+import org.apache.commons.io.FileUtils;
+import org.apache.log4j.Logger;
+import org.geotools.TestData;
+import org.testng.Assert;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.channels.FileChannel;
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: Ulysses
+ * Date: 2010/4/21
+ */
+public class ElementFactoryTest {
+ private final static Logger logger = Logger.getLogger(Dgn7fileReaderTest.class);
+
+ // private final static String testFilePath = "test-data\\testHV.dgn";
+ private final static String testFilePath = "testHV.dgn";
+
+ private static GeometryFactory factory = new GeometryFactory();
+
+ private FileInputStream _fs;
+ private LineStringElement _testLineString = null;
+ private ComplexChainElement _testComplexChain = null;
+
+ @BeforeTest
+ public void setUp() throws IOException, Dgn7fileException {
+ File dataFile = TestData.file(this, testFilePath);
+ if (!dataFile.exists()) {
+ return;
+ }
+
+ _fs = new FileInputStream(dataFile);
+
+ fetchTestElement(_fs);
+ _fs.close();
+ }
+
+ private void fetchTestElement(FileInputStream fs) throws Dgn7fileException, IOException {
+ FileChannel fc = _fs.getChannel();
+ Dgn7fileReader reader = new Dgn7fileReader(fc, new Lock());
+ int count = 0;
+ Element lastComplex = null;
+ while (reader.hasNext()) {
+ Element.FileRecord record = reader.nextElement();
+ if (record.element() != null) {
+ Element element = (Element) record.element();
+ ElementType type = element.getElementType();
+ boolean completed = false;
+ if ((!type.isComplexElement()) && (!element.isComponentElement())) {
+ if (lastComplex != null) {
+ // @todo add process in here
+ if (!processCompleteElement(lastComplex)) break;
+ lastComplex = null;
+ }
+
+ // @todo add process in here
+ if (!processCompleteElement(element)) break;
+ } else if (element.isComponentElement()) {
+ if (lastComplex != null) {
+ ((ComplexElement) lastComplex).add(element);
+ } else {
+ logger.warn("wong." + element.toString());
+ Assert.fail("Component Element cannot found parent.");
+ }
+ } else if (type.isComplexElement()) {
+ if (lastComplex != null) {
+ // @todo add process in here
+ if (!processCompleteElement(lastComplex)) break;
+ }
+ lastComplex = element;
+ }
+ }
+ count++;
+ }
+ }
+
+ private boolean processCompleteElement(Element element) throws IOException {
+ if (element instanceof LineStringElement) {
+ _testLineString = (LineStringElement) element;
+ }
+
+ if (element instanceof ComplexChainElement) {
+ _testComplexChain = (ComplexChainElement) element;
+ }
+
+ if ((_testLineString != null) && (_testComplexChain != null)) return false;
+ return true;
+ }
+
+ @Test
+ public void testCreateLineString() throws IOException, Dgn7fileException {
+ Assert.assertNotNull(_testLineString);
+ LineStringElement originElement = _testLineString;
+
+ LineString geometry = (LineString) originElement.toGeometry(factory);
+ Element cloneElement = ElementFactory.createLineString(geometry);
+ Assert.assertTrue(cloneElement instanceof LineStringElement);
+ cloneElement.setLevelIndex(originElement.getLevelIndex());
+ cloneElement.setColorIndex(originElement.getColorIndex());
+ cloneElement.setWeight(originElement.getWeight());
+ cloneElement.setLineStyle(originElement.getLineStyle());
+ cloneElement.setRange(geometry.getEnvelopeInternal());
+
+ int len = originElement.raw.length;
+ int lenClone = cloneElement.raw.length;
+ // Assert.assertEquals(lenClone, len - originElement.getUserAttributeDataOffset() + 1);
+ if (originElement.hasUserAttributeData()) {
+ Assert.assertEquals(lenClone, originElement.getUserAttributeDataOffset());
+ }
+ System.out.println("origin size=(" + len + ")-:- Clone size=(" + lenClone + ")");
+ int headerSize = ElementFactory.MINIMAL_ELEMLENGTH / 2;
+ for (int i = 0; i <= headerSize; i++) {
+ if (originElement.raw[i] != cloneElement.raw[i]) {
+ System.out.print("different index=" + i + ":");
+ System.out.println("origin[" + Integer.toHexString(originElement.raw[i])
+ + "]-clone:[" + Integer.toHexString(cloneElement.raw[i]) + "]");
+ }
+ }
+ }
+
+ @Test
+ public void testCreateComplexChain() throws IOException, Dgn7fileException {
+ Assert.assertNotNull(_testComplexChain);
+ ComplexChainElement originElement = _testComplexChain;
+
+ System.out.print("len=" + originElement.raw.length);
+ for (Element elm : originElement) {
+ System.out.print(":" + elm.raw.length);
+ }
+ System.out.println();
+
+ MultiLineString geometries = (MultiLineString) originElement.toGeometry(factory);
+ LineString geometry = factory.createLineString(geometries.getCoordinates());
+
+ ComplexChainElement cloneElement = (ComplexChainElement) ElementFactory.createComplexChain(geometry);
+ Assert.assertTrue(cloneElement instanceof ComplexChainElement);
+ cloneElement.setLevelIndex(originElement.getLevelIndex());
+ cloneElement.setColorIndex(originElement.getColorIndex());
+ cloneElement.setWeight(originElement.getWeight());
+ cloneElement.setLineStyle(originElement.getLineStyle());
+ cloneElement.setRange(geometry.getEnvelopeInternal());
+
+ int len = originElement.raw.length;
+ int lenClone = cloneElement.raw.length;
+ // Assert.assertEquals(lenClone, len - originElement.getUserAttributeDataOffset() + 1);
+ System.out.print("clonelen=" + cloneElement.raw.length);
+ for (Element elm : cloneElement) {
+ System.out.print(":" + elm.raw.length);
+ }
+ System.out.println();
+
+ if (originElement.hasUserAttributeData()) {
+ Assert.assertEquals(lenClone, originElement.getUserAttributeDataOffset() + 4);
+ }
+ System.out.println("origin size=(" + len + ")-:- Clone size=(" + lenClone + ")");
+ int headerSize = ElementFactory.MINIMAL_ELEMLENGTH / 2 + 6;
+ for (int i = 0; i < headerSize; i++) {
+ if (originElement.raw[i] != cloneElement.raw[i]) {
+ System.out.print("different index=" + i + ":");
+ System.out.println("origin[" + Integer.toHexString(originElement.raw[i])
+ + "]-clone:[" + Integer.toHexString(cloneElement.raw[i]) + "]");
+ }
+ }
+ }
+}
--
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