dgn7 write function for complex chain

?? ?

2010-04-22 6523c1f6534042d89ff8a07d4e7c06050276521e

 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);