/**
* Compute the facade index for given osm tags, polygon and height.
*
* @param tags
* @param polygon
* @param height
* @return Integer the facade index.
*/
public Integer computeFacadeIndex(OsmPolygon polygon) {
Integer result = null;
// first, do we are on a residential object?
// yes if there is residential or house tag
// or if surface of the polygon is under the max surface for a
// residential house
// and height is under max residential height
if ((OsmUtils.isValueinTags("residential", polygon.getTags())
|| OsmUtils.isValueinTags("house", polygon.getTags())
|| polygon.getArea() * 10000000 < ASSERTION_RESIDENTIAL_MAX_AREA)
&& polygon.getHeight() < XplaneOptionsHelper.getOptions().getResidentialMax()) {
result = computeResidentialFacadeIndex(polygon);
}
// do we are on a building object?
// yes if there is industrial or Commercial tag
// or if surface of the polygon is above the max surface for a
// residential house
// and height is above max residential height
else {
if (OsmUtils.isValueinTags("industrial", polygon.getTags())
|| OsmUtils.isValueinTags("Commercial", polygon.getTags())
|| polygon.getArea() * 10000000 > ASSERTION_RESIDENTIAL_MAX_AREA
|| polygon.getHeight() > XplaneOptionsHelper.getOptions().getResidentialMax()) {
result = computeBuildingFacadeIndex(polygon);
}
}
return result;
}
/**
* Compute the height for this polygon and osm tags.
*
* @return Integer the height.
*/
private Integer computeBuildingHeight(OsmPolygon polygon) {
Integer result = null;
Integer osmHeight = polygon.getHeight();
if (osmHeight != null) {
result = osmHeight;
} else {
if (polygon.getArea() * 10000000 < 0.2) {
result = XplaneOptionsHelper.getOptions().getResidentialMin();
} else {
if (polygon.getArea() * 10000000 > ASSERTION_RESIDENTIAL_MAX_AREA)
result =
MiscUtils.getRandomSize(
XplaneOptionsHelper.getOptions().getBuildingMin(),
XplaneOptionsHelper.getOptions().getBuildingMax());
else if (polygon.getArea() * 10000000 < ASSERTION_RESIDENTIAL_MAX_AREA)
result =
MiscUtils.getRandomSize(
XplaneOptionsHelper.getOptions().getResidentialMin(),
XplaneOptionsHelper.getOptions().getResidentialMax());
}
}
return result;
}