philippe.lhardy/artloglaby
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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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89
java/org/artisanlogiciel/osm/OsmReader.java
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@@ -18,10 +18,38 @@ public class OsmReader {
private HashMap<NodeRef,Node> refs;
private List<Way> ways;
public List<Way> getBuildings() {
return buildings;
}
private List<Way> buildings;
public double getMinlat() {
return minlat;
}
public double getMinlon() {
return minlon;
}
public double getMaxlat() {
return maxlat;
}
public double getMaxlon() {
return maxlon;
}
double minlat = 0;
double minlon = 0;
double maxlat = 180;
double maxlon = 180;
public OsmReader(String sample) {
this.sample = sample;
refs = new HashMap<>();
ways = new ArrayList<>();
buildings = new ArrayList<>();
}
public List<Way> getWays() {
@@ -38,6 +66,25 @@ public class OsmReader {
Document doc = builder.parse(new FileInputStream(sample));
Element root = doc.getDocumentElement();
System.out.println(root);
// <bounds minlat="43.6399000" minlon="7.0058300" maxlat="43.6435000" maxlon="7.0111700"/>
NodeList boundList = doc.getElementsByTagName("bounds");
for (int temp = 0; temp < boundList.getLength(); temp++) {
org.w3c.dom.Node nNode = boundList.item(temp);
if (nNode.getNodeType() == org.w3c.dom.Node.ELEMENT_NODE) {
Element e = (Element) nNode;
minlat = Double.valueOf(e.getAttribute("minlat"));
minlon = Double.valueOf(e.getAttribute("minlon"));
maxlat = Double.valueOf(e.getAttribute("maxlat"));
maxlon = Double.valueOf(e.getAttribute("maxlon"));
}
}
int boundserror = 0;
System.out.println("minlat " + minlat);
System.out.println("maxlat " + maxlat);
System.out.println("minlon " + minlon);
System.out.println("maxlon " + maxlon);
NodeList nList = doc.getElementsByTagName("node");
for (int temp = 0; temp < nList.getLength(); temp++) {
org.w3c.dom.Node nNode = nList.item(temp);
@@ -46,6 +93,26 @@ public class OsmReader {
long id = Long.valueOf(e.getAttribute("id"));
double lat = Double.valueOf(e.getAttribute("lat"));
double lon = Double.valueOf(e.getAttribute("lon"));
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);
}
Node node = new Node(new NodeRef(id), lat, lon);
refs.put(node.getRef(),node);
}
@@ -75,8 +142,19 @@ public class OsmReader {
}
}
}
Way way = new Way(id, nodeRefList);
ways.add(way);
if ( nodeRefList.size() > 0 )
{
Way way = new Way(id, nodeRefList);
// closed way ?
if (nodeRefList.get(0).equals(nodeRefList.get(nodeRefList.size() -1)))
{
buildings.add(way);
}
else
{
ways.add(way);
}
}
}
catch (Exception bad)
{
@@ -98,12 +176,5 @@ public class OsmReader {
System.out.println(refs);
System.out.println(ways);
}
public static void main(String pArgs[])
{
String sample = "/home/plhardy/valbonne3D/valbonne_oct_2020.osm";
OsmReader osmreader = new OsmReader(sample);
osmreader.read();
osmreader.dump();
}
}