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read osm format longitude and latitude bounds, separate ways and buildings

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- read longitude and lattude boundaries
- separate ways ( open ways ) from buildings ( closed )
- save as .imc and .drawing ( raw format ) [ since .imc seems buggy )
- read uncompressed drawing format
This commit is contained in:
philippe lhardy
2020-11-01 12:44:05 +01:00
parent 8af19bdb59
commit 94b4a0ce66
4 changed files with 237 additions and 15 deletions
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103
java/org/artisanlogiciel/osm/convert/OsmToDrawing.java
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@@ -4,9 +4,14 @@ import org.artisanlogiciel.graphics.Drawing;
import org.artisanlogiciel.graphics.DrawingLine;
import org.artisanlogiciel.osm.Node;
import org.artisanlogiciel.osm.NodeRef;
import org.artisanlogiciel.osm.OsmReader;
import org.artisanlogiciel.osm.Way;
import java.awt.*;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
/**
@@ -20,9 +25,28 @@ public class OsmToDrawing {
int mulx = 1;
int muly = 1;
public OsmToDrawing()
{
double minlat = 0;
double minlon = 0;
double maxlat = 180;
double maxlon = 180;
int boundserror = 0;
public OsmToDrawing(OsmReader reader, int mulx, int muly)
{
this.refx = reader.getMinlat();
this.minlat = reader.getMinlat();
this.refy = reader.getMinlon();
this.minlon = reader.getMinlon();
this.maxlat = reader.getMaxlat();
this.maxlon = reader.getMaxlon();
this.mulx = mulx;
this.muly = muly;
System.out.println("minlat " + minlat);
System.out.println("maxlat " + maxlat);
System.out.println("minlon " + minlon);
System.out.println("maxlon " + maxlon);
}
public OsmToDrawing(int mulx, int muly) {
@@ -43,7 +67,29 @@ public class OsmToDrawing {
for (NodeRef nr : way.getNdlist())
{
Node node = nr.getNode();
drawingLine.addPoint(new Point((int) ( (node.getLat() - refx)* mulx ) , (int) ( (node.getLon() - refy ) * muly) ));
double lat = node.getLat();
double lon = node.getLon();
if (lat < minlat)
{
boundserror ++;
System.err.println("lat < minlat " + lat );
}
else if (lat > maxlat)
{
boundserror ++;
System.err.println("lat > minlat " + lat);
}
if (lon < minlon)
{
boundserror ++;
System.err.println("lon < minlon " + lon);
}
else if (lon > maxlon)
{
boundserror ++;
System.err.println("lon > minlon " + lon);
}
drawingLine.addPoint(new Point((int) ( (lat - refx)* mulx ) , (int) ( (lon - refy ) * muly) ));
}
return drawingLine;
}
@@ -52,8 +98,57 @@ public class OsmToDrawing {
{
Drawing drawing = new Drawing();
for (Way way : ways) {
drawing.addLine(getDrawingLine(way));
int currenterrors = boundserror;
DrawingLine line = getDrawingLine(way);
if ( currenterrors == boundserror ) {
drawing.addLine(line);
}
else
{
System.err.println("skipping one line out of bound nodes");
}
}
return drawing;
}
public static void main(String pArgs[])
{
if ( pArgs.length > 0 ) {
String sample = pArgs[0];
OsmReader osmreader = new OsmReader(sample);
osmreader.read();
osmreader.dump();
OsmToDrawing converter = new OsmToDrawing(osmreader, 25000,25000);
Drawing drawing = converter.getDrawing(osmreader.getWays());
String savename = sample + ".ways";
saveImc(savename, drawing);
saveDrawing(savename, drawing);
Drawing drawing2 = converter.getDrawing(osmreader.getBuildings());
savename = sample + ".buildings";
saveImc(savename, drawing2);
saveDrawing(savename, drawing2);
}
}
private static void saveDrawing(String sample, Drawing drawing) {
try {
FileOutputStream out = new FileOutputStream(sample + ".drawing");
drawing.saveLines(new DataOutputStream(out));
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private static void saveImc(String sample, Drawing drawing) {
try {
FileOutputStream out = new FileOutputStream(sample + ".imc");
drawing.saveLinesKompressed(new DataOutputStream(out));
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}