void Kml::generatePolygonalLayer(const GraphicLayer* pGraphicLayer, bool visible, int order, const Layer* pGeoLayer)
{
VERIFYNRV(pGeoLayer != NULL);
if (pGraphicLayer == NULL)
{
return;
}
RasterElement* pGeoElement = dynamic_cast<RasterElement*>(pGeoLayer->getDataElement());
mXml.pushAddPoint(mXml.addElement("Folder"));
string name = pGraphicLayer->getDisplayName();
if (name.empty())
{
name = pGraphicLayer->getName();
}
mXml.addText(name, mXml.addElement("name"));
mXml.addText(pGraphicLayer->getDisplayText(), mXml.addElement("description"));
mXml.addText(visible ? "1" : "0", mXml.addElement("visibility"));
list<GraphicObject*> objects;
pGraphicLayer->getObjects(objects);
for (list<GraphicObject*>::const_iterator object = objects.begin(); object != objects.end(); ++object)
{
GraphicObject* pObject = *object;
if (pObject == NULL)
{
continue;
}
mXml.pushAddPoint(mXml.addElement("Placemark"));
mXml.addText(pObject->getName(), mXml.addElement("name"));
mXml.addText(pObject->isVisible() ? "1" : "0", mXml.addElement("visibility"));
mXml.pushAddPoint(mXml.addElement("Style"));
mXml.pushAddPoint(mXml.addElement("PolyStyle"));
ColorType c = pObject->getFillColor();
QChar fc('0');
mXml.addText(QString("%1%2%3%4").arg(c.mAlpha, 2, 16, fc).arg(c.mBlue, 2, 16, fc).arg(
c.mGreen, 2, 16, fc).arg(c.mRed, 2, 16, fc).toAscii().data(),
mXml.addElement("color"));
mXml.addText(pObject->getLineState() ? "1" : "0", mXml.addElement("outline"));
mXml.addText(pObject->getFillState() ? "1" : "0", mXml.addElement("fill"));
mXml.popAddPoint(); // PolyStyle
mXml.pushAddPoint(mXml.addElement("LineStyle"));
c = pObject->getLineColor();
mXml.addText(QString("%1%2%3%4").arg(c.mAlpha, 2, 16, fc).arg(c.mBlue, 2, 16, fc).arg(
c.mGreen, 2, 16, fc).arg(c.mRed, 2, 16, fc).toAscii().data(),
mXml.addElement("color"));
mXml.addText(StringUtilities::toXmlString(pObject->getLineWidth()), mXml.addElement("width"));
mXml.popAddPoint(); // LineStyle
mXml.popAddPoint(); // Style
switch (pObject->getGraphicObjectType())
{
case MULTIPOINT_OBJECT:
{
mXml.pushAddPoint(mXml.addElement("MultiGeometry"));
vector<LocationType> vertices = static_cast<MultipointObject*>(pObject)->getVertices();
for (vector<LocationType>::const_iterator vertex = vertices.begin(); vertex != vertices.end(); ++vertex)
{
mXml.pushAddPoint(mXml.addElement("Point"));
mXml.addText(QString::number(order).toAscii().data(), mXml.addElement("drawOrder"));
LocationType geo = pGeoElement->convertPixelToGeocoord(*vertex);
mXml.addText(QString("%1,%2").arg(geo.mY, 0, 'f', 10).arg(geo.mX, 0, 'f', 10).toAscii().data(),
mXml.addElement("coordinates"));
mXml.popAddPoint(); // Point
}
mXml.popAddPoint();
break;
}
case LINE_OBJECT:
case POLYLINE_OBJECT:
case HLINE_OBJECT:
case VLINE_OBJECT:
case ROW_OBJECT:
case COLUMN_OBJECT:
{
mXml.pushAddPoint(mXml.addElement("LineString"));
mXml.addText(QString::number(order).toAscii().data(), mXml.addElement("drawOrder"));
mXml.addText("1", mXml.addElement("tessellate"));
QStringList coords;
vector<LocationType> vertices;
if (pObject->getGraphicObjectType() == POLYLINE_OBJECT)
{
vertices = static_cast<PolylineObject*>(pObject)->getVertices();
}
else
{
LocationType ll = pObject->getLlCorner();
LocationType ur = pObject->getUrCorner();
vertices.push_back(ll);
vertices.push_back(ur);
}
for (vector<LocationType>::const_iterator vertex = vertices.begin(); vertex != vertices.end(); ++vertex)
{
LocationType geo = pGeoElement->convertPixelToGeocoord(*vertex);
coords << QString("%1,%2").arg(geo.mY, 0, 'f', 10).arg(geo.mX, 0, 'f', 10);
}
mXml.addText(coords.join(" ").toAscii().data(), mXml.addElement("coordinates"));
mXml.popAddPoint(); // LineString
break;
}
case RECTANGLE_OBJECT:
case TRIANGLE_OBJECT:
case POLYGON_OBJECT:
{
mXml.pushAddPoint(mXml.addElement("Polygon"));
mXml.addText(QString::number(order).toAscii().data(), mXml.addElement("drawOrder"));
mXml.addText("1", mXml.addElement("tessellate"));
mXml.pushAddPoint(mXml.addElement("LinearRing", mXml.addElement("outerBoundaryIs")));
QStringList coords;
vector<LocationType> vertices;
LocationType ll = pObject->getLlCorner();
LocationType ur = pObject->getUrCorner();
LocationType center = (ll + ur);
center.mX /= 2.0;
center.mY /= 2.0;
if (pObject->getGraphicObjectType() == RECTANGLE_OBJECT)
{
vertices.push_back(ll);
vertices.push_back(LocationType(ll.mX, ur.mY));
vertices.push_back(ur);
vertices.push_back(LocationType(ur.mX, ll.mY));
}
else if (pObject->getGraphicObjectType() == TRIANGLE_OBJECT)
{
double apex = pObject->getApex();
vertices.push_back(ll);
vertices.push_back(LocationType(ur.mX, ll.mY));
vertices.push_back(LocationType(ll.mX + apex * (ur.mX - ll.mX), ur.mY));
vertices.push_back(ll);
}
else
{
vertices = static_cast<PolygonObject*>(pObject)->getVertices();
}
QPointF qcenter(center.mX, center.mY);
QMatrix matrix;
matrix.rotate(pObject->getRotation());
for (vector<LocationType>::const_iterator vertex = vertices.begin(); vertex != vertices.end(); ++vertex)
{
QPointF point(vertex->mX - center.mX, vertex->mY - center.mY);
point = point * matrix;
point += qcenter;
LocationType geo = pGeoElement->convertPixelToGeocoord(LocationType(point.x(), point.y()));
coords << QString("%1,%2").arg(geo.mY, 0, 'f', 10).arg(geo.mX, 0, 'f', 10);
}
mXml.addText(coords.join(" ").toAscii().data(), mXml.addElement("coordinates"));
mXml.popAddPoint(); // LinearRing
mXml.popAddPoint(); // Polygon
break;
}
default: // not supported
break;
}
mXml.popAddPoint(); // Placemark
}
mXml.popAddPoint(); // Folder
}
vector<Feature*> ShapeFile::addFeatures(GraphicElement* pGraphicElement, GraphicObject* pObject,
RasterElement* pGeoref, string& message)
{
vector<Feature*> features;
message.clear();
if (pGraphicElement == NULL)
{
message = "Features cannot be added because the data element is invalid!";
return features;
}
if (pGeoref == NULL || !pGeoref->isGeoreferenced())
{
message = "No georeferencing information can be found.";
return features;
}
// Do not allow erase or toggle objects
if (pObject != NULL)
{
if (pObject->getDrawMode() != DRAW)
{
message = "The " + pObject->getName() + " object is an erase or toggle object, so a feature "
"will not be added.";
return features;
}
}
// Get the objects
list<GraphicObject*> objects;
if (pObject != NULL)
{
objects.push_back(pObject);
}
else
{
GraphicGroup* pGroup = pGraphicElement->getGroup();
if (pGroup != NULL)
{
// If the element is displayed in an annotation layer, use the selected objects
AnnotationLayer* pAnnotationLayer = dynamic_cast<AnnotationLayer*>(pGroup->getLayer());
if (pAnnotationLayer != NULL)
{
pAnnotationLayer->getSelectedObjects(objects);
}
if (objects.empty())
{
objects = pGroup->getObjects();
}
}
}
// Create the features
string elementName = pGraphicElement->getName();
const DynamicObject* pMetadata = getSourceMetadata(*pGraphicElement);
switch (mShape)
{
case ShapefileTypes::POINT_SHAPE:
{
if (dynamic_cast<AnnotationElement*>(pGraphicElement) != NULL)
{
if (objects.empty())
{
message = "Cannot create a shape file from an empty element.";
return features;
}
// Get names of attributes which should be copied/exported.
vector<string> attrNames;
const DynamicObject* pAttributeMetadata = getSourceAttributeMetadata(*pGraphicElement);
if (pAttributeMetadata != NULL)
{
pAttributeMetadata->getAttributeNames(attrNames);
}
for (list<GraphicObject*>::const_iterator it = objects.begin(); it != objects.end(); ++it)
{
GraphicObject* pCurrentObject = *it;
if (pCurrentObject != NULL)
{
// Do not allow erase or toggle objects
if (pCurrentObject->getDrawMode() != DRAW)
{
continue;
}
string objectName = pCurrentObject->getName();
vector<LocationType> vertices;
pCurrentObject->getRotatedExtents(vertices);
// Each point created from this object uses the same metadata.
int idx = -1;
if (pMetadata != NULL)
{
idx = getAttributeIndex(*pCurrentObject, *pMetadata);
}
LocationType pixel;
for (vector<LocationType>::const_iterator verticesIter = vertices.begin();
verticesIter != vertices.end();
++verticesIter)
{
// Add the feature
SessionItem* pSessionItem = pGraphicElement;
if (pObject != NULL)
{
pSessionItem = pObject;
}
Feature* pFeature = new Feature(pSessionItem);
features.push_back(pFeature);
mFeatures.push_back(pFeature);
VERIFYNR(pFeature->attach(SIGNAL_NAME(Subject, Modified), Slot(this, &ShapeFile::shapeModified)));
// Fields
pFeature->addField("Name", string());
if (!elementName.empty())
{
if (pObject != NULL)
{
pFeature->setFieldValue("Name", elementName + ": " + pObject->getName());
}
else
{
pFeature->setFieldValue("Name", elementName + ": " + objectName);
}
}
pixel.mX = verticesIter->mX + 0.5;
pixel.mY = verticesIter->mY + 0.5;
QString pixelName = "(" + QString::number(verticesIter->mX + 1) + ", " +
QString::number(verticesIter->mY + 1) + ")";
pFeature->setFieldValue("Pixel", pixelName.toStdString());
if (idx > -1 && pAttributeMetadata != NULL)
{
copyMetadata(attrNames, idx, *pAttributeMetadata, *pFeature);
}
LocationType geo = pGeoref->convertPixelToGeocoord(*verticesIter);
pFeature->addVertex(geo.mY, geo.mX);
}
}
}
}
else
{
// The BitMaskIterator does not support negative extents and
// the BitMask does not correctly handle the outside flag so
// the BitMaskIterator is used for cases when the outside flag is true and
// the BitMask is used for cases when the outside flag is false
AoiElement* pAoiElement = dynamic_cast<AoiElement*>(pGraphicElement);
VERIFYRV(pAoiElement != NULL, features);
const BitMask* pMask = pAoiElement->getSelectedPoints();
if (pObject != NULL)
{
pMask = pObject->getPixels();
if (pMask == NULL)
{
message = "The " + pObject->getName() + " object cannot be represented by the " +
StringUtilities::toDisplayString(mShape) + " shape type, so a feature will not be added.";
return features;
}
}
if (pMask != NULL)
{
BitMaskIterator maskIt(pMask, pGeoref);
if ((maskIt.getCount() > 0 && pMask->isOutsideSelected() == true) ||
(pMask->getCount() > 0 && pMask->isOutsideSelected() == false))
{
// Add features for each selected pixel
int startColumn = 0;
int endColumn = 0;
int startRow = 0;
int endRow = 0;
if (pMask->isOutsideSelected() == true)
{
maskIt.getBoundingBox(startColumn, startRow, endColumn, endRow);
}
else
{
pMask->getBoundingBox(startColumn, startRow, endColumn, endRow);
}
LocationType pixel;
for (int i = startColumn; i <= endColumn; i++)
{
for (int j = startRow; j <= endRow; j++)
{
if ((maskIt.getPixel(i, j) && pMask->isOutsideSelected() == true) ||
(pMask->getPixel(i, j) && pMask->isOutsideSelected() == false))
{
// Add the feature
SessionItem* pSessionItem = pGraphicElement;
if (pObject != NULL)
{
pSessionItem = pObject;
}
Feature* pFeature = new Feature(pSessionItem);
features.push_back(pFeature);
mFeatures.push_back(pFeature);
VERIFYNR(pFeature->attach(SIGNAL_NAME(Subject, Modified),
Slot(this, &ShapeFile::shapeModified)));
pixel.mX = i + 0.5;
pixel.mY = j + 0.5;
// Fields
pFeature->addField("Name", string());
pFeature->addField("Pixel", string());
if (!elementName.empty())
{
if (pObject != NULL)
{
pFeature->setFieldValue("Name", elementName + ": " + pObject->getName());
}
else
{
pFeature->setFieldValue("Name", elementName);
}
}
QString pixelName = "(" + QString::number(i + 1) + ", " + QString::number(j + 1) + ")";
pFeature->setFieldValue("Pixel", pixelName.toStdString());
// Vertex
pixel = pGeoref->convertPixelToGeocoord(pixel);
pFeature->addVertex(pixel.mY, pixel.mX); // Longitude as x-coord
}
}
}
}
}
}
}
break;
case ShapefileTypes::POLYLINE_SHAPE:
{
if (objects.empty())
{
message = "Cannot create a shape file from an empty element.";
return features;
}
// Get names of attributes which should be copied/exported.
vector<string> attrNames;
const DynamicObject* pAttributeMetadata = getSourceAttributeMetadata(*pGraphicElement);
if (pAttributeMetadata != NULL)
{
pAttributeMetadata->getAttributeNames(attrNames);
}
for (list<GraphicObject*>::const_iterator it = objects.begin(); it != objects.end(); ++it)
{
GraphicObject* pCurrentObject = *it;
if (pCurrentObject != NULL)
{
GraphicObjectType objectType = pCurrentObject->getGraphicObjectType();
if ((objectType == LINE_OBJECT) || (objectType == POLYLINE_OBJECT) ||
(objectType == HLINE_OBJECT) || (objectType == VLINE_OBJECT))
{
// Do not allow erase or toggle objects
if (pCurrentObject->getDrawMode() != DRAW)
{
continue;
}
string objectName = pCurrentObject->getName();
vector<LocationType> vertices;
pCurrentObject->getRotatedExtents(vertices);
if (vertices.empty() == false)
{
Feature* pFeature = new Feature(pCurrentObject);
features.push_back(pFeature);
mFeatures.push_back(pFeature);
VERIFYNR(pFeature->attach(SIGNAL_NAME(Subject, Modified), Slot(this, &ShapeFile::shapeModified)));
pFeature->addField("Name", string());
if (!elementName.empty())
{
pFeature->setFieldValue("Name", elementName + ": " + objectName);
}
// Copy attributes.
if ((pMetadata != NULL) && (pAttributeMetadata != NULL))
{
int idx = getAttributeIndex(*pCurrentObject, *pMetadata);
if (idx > -1)
{
copyMetadata(attrNames, idx, *pAttributeMetadata, *pFeature);
}
}
for (vector<LocationType>::const_iterator iter = vertices.begin(); iter != vertices.end(); ++iter)
{
LocationType geo = pGeoref->convertPixelToGeocoord(*iter);
pFeature->addVertex(geo.mY, geo.mX);
}
}
}
}
}
}
break;
case ShapefileTypes::POLYGON_SHAPE:
{
if (objects.empty())
{
message = "Cannot create a shape file from an empty element.";
return features;
}
// Get names of attributes which should be copied/exported.
vector<string> attrNames;
const DynamicObject* pAttributeMetadata = getSourceAttributeMetadata(*pGraphicElement);
if (pAttributeMetadata != NULL)
{
pAttributeMetadata->getAttributeNames(attrNames);
}
for (list<GraphicObject*>::const_iterator it = objects.begin(); it != objects.end(); ++it)
{
GraphicObject* pCurrentObject = *it;
if (pCurrentObject != NULL)
{
GraphicObjectType objectType = pCurrentObject->getGraphicObjectType();
if ((objectType == RECTANGLE_OBJECT) || (objectType == ROUNDEDRECTANGLE_OBJECT) ||
(objectType == ELLIPSE_OBJECT) || (objectType == TRIANGLE_OBJECT) ||
(objectType == POLYGON_OBJECT) || (objectType == ARC_OBJECT))
{
// Do not allow erase or toggle objects
if (pCurrentObject->getDrawMode() != DRAW)
{
continue;
}
string objectName = pCurrentObject->getName();
vector<LocationType> vertices;
pCurrentObject->getRotatedExtents(vertices);
if (vertices.empty() == false)
{
// To represent non-polygon objects as polygons, add the first vertex as the last vertex
if (objectType != POLYGON_OBJECT)
{
vertices.push_back(vertices.front());
}
Feature* pFeature = new Feature(pCurrentObject);
features.push_back(pFeature);
mFeatures.push_back(pFeature);
VERIFYNR(pFeature->attach(SIGNAL_NAME(Subject, Modified), Slot(this, &ShapeFile::shapeModified)));
pFeature->addField("Name", string());
if (!elementName.empty())
{
pFeature->setFieldValue("Name", elementName + ": " + objectName);
}
// Copy attributes.
if ((pMetadata != NULL) && (pAttributeMetadata != NULL))
{
int idx = getAttributeIndex(*pCurrentObject, *pMetadata);
if (idx > -1)
{
copyMetadata(attrNames, idx, *pAttributeMetadata, *pFeature);
}
}
for (vector<LocationType>::const_iterator iter = vertices.begin(); iter != vertices.end(); ++iter)
{
LocationType geo = pGeoref->convertPixelToGeocoord(*iter);
pFeature->addVertex(geo.mY, geo.mX);
}
}
}
}
}
}
break;
case ShapefileTypes::MULTIPOINT_SHAPE:
{
if (dynamic_cast<AnnotationElement*>(pGraphicElement) != NULL)
{
if (objects.empty())
{
message = "Cannot create a shape file from an empty element.";
return features;
}
// Get names of attributes which should be copied/exported.
vector<string> attrNames;
const DynamicObject* pAttributeMetadata = getSourceAttributeMetadata(*pGraphicElement);
if (pAttributeMetadata != NULL)
{
pAttributeMetadata->getAttributeNames(attrNames);
}
for (list<GraphicObject*>::const_iterator it = objects.begin(); it != objects.end(); ++it)
{
GraphicObject* pCurrentObject = *it;
if (pCurrentObject != NULL)
{
// Do not allow erase or toggle objects
if (pCurrentObject->getDrawMode() != DRAW)
{
continue;
}
Feature* pFeature = new Feature(pGraphicElement);
features.push_back(pFeature);
mFeatures.push_back(pFeature);
VERIFYNR(pFeature->attach(SIGNAL_NAME(Subject, Modified), Slot(this, &ShapeFile::shapeModified)));
// Fields
pFeature->addField("Name", string());
if (!elementName.empty())
{
if (pObject != NULL)
{
pFeature->setFieldValue("Name", elementName + ": " + pObject->getName());
}
else
{
pFeature->setFieldValue("Name", elementName);
}
}
// Copy attributes.
if ((pMetadata != NULL) && (pAttributeMetadata != NULL))
{
int idx = getAttributeIndex(*pCurrentObject, *pMetadata);
if (idx > -1)
{
copyMetadata(attrNames, idx, *pAttributeMetadata, *pFeature);
}
}
vector<LocationType> vertices;
pCurrentObject->getRotatedExtents(vertices);
for (vector<LocationType>::const_iterator iter = vertices.begin(); iter != vertices.end(); ++iter)
{
LocationType geo = pGeoref->convertPixelToGeocoord(*iter);
pFeature->addVertex(geo.mY, geo.mX);
}
}
}
}
else
{
// The BitMaskIterator does not support negative extents and
// the BitMask does not correctly handle the outside flag so
// the BitMaskIterator is used for cases when the outside flag is true and
// the BitMask is used for cases when the outside flag is false
AoiElement* pAoiElement = dynamic_cast<AoiElement*>(pGraphicElement);
VERIFYRV(pAoiElement != NULL, features);
const BitMask* pMask = pAoiElement->getSelectedPoints();
if (pObject != NULL)
{
pMask = pObject->getPixels();
if (pMask == NULL)
{
message = "The " + pObject->getName() + " object cannot be represented by the " +
StringUtilities::toDisplayString(mShape) + " shape type, so a feature will not be added.";
return features;
}
}
if (pMask != NULL)
{
BitMaskIterator maskIt(pMask, pGeoref);
if ((maskIt.getCount() > 0 && pMask->isOutsideSelected() == true) ||
(pMask->getCount() > 0 && pMask->isOutsideSelected() == false))
{
// Add the feature
SessionItem* pSessionItem = pGraphicElement;
if (pObject != NULL)
{
pSessionItem = pObject;
}
Feature* pFeature = new Feature(pSessionItem);
features.push_back(pFeature);
mFeatures.push_back(pFeature);
VERIFYNR(pFeature->attach(SIGNAL_NAME(Subject, Modified), Slot(this, &ShapeFile::shapeModified)));
// Fields
pFeature->addField("Name", string());
if (!elementName.empty())
{
if (pObject != NULL)
{
pFeature->setFieldValue("Name", elementName + ": " + pObject->getName());
}
else
{
pFeature->setFieldValue("Name", elementName);
}
}
// Vertices
int startColumn = 0;
int endColumn = 0;
int startRow = 0;
int endRow = 0;
if (pMask->isOutsideSelected() == true)
{
maskIt.getBoundingBox(startColumn, startRow, endColumn, endRow);
}
else
{
pMask->getBoundingBox(startColumn, startRow, endColumn, endRow);
}
LocationType pixel;
for (int i = startColumn; i <= endColumn; i++)
{
for (int j = startRow; j <= endRow; j++)
{
if ((maskIt.getPixel(i, j) && pMask->isOutsideSelected() == true) ||
(pMask->getPixel(i, j) && pMask->isOutsideSelected() == false))
{
pixel.mX = i + 0.5;
pixel.mY = j + 0.5;
pixel = pGeoref->convertPixelToGeocoord(pixel);
pFeature->addVertex(pixel.mY, pixel.mX); // Longitude as x-coord
}
}
}
}
}
}
}
break;
default:
message = "Shape type not recognized.";
return features;
}
if (features.empty())
{
message = elementName + " has no objects that can be represented with the " +
StringUtilities::toDisplayString(mShape) + " shape type, so no features can be added.";
}
return features;
}