bool
TeExportLayerToShapefile(TeLayer* layer, const string& baseName)
{
if (!layer)
return false;
string fbase = baseName;
if (baseName.empty())
fbase = layer->name();
TeTheme* tempTheme = new TeTheme();
tempTheme->layer(layer);
tempTheme->collectionTable("");
tempTheme->collectionAuxTable("");
tempTheme->setAttTables(layer->attrTables());
TeQuerierParams qPar(true, true);
qPar.setParams(tempTheme);
TeQuerier* tQuerier = new TeQuerier(qPar);
bool res = TeExportQuerierToShapefile(tQuerier, baseName);
delete tQuerier;
delete tempTheme;
return res ;
}
void VoronoiWindow::themeComboBox_activated(const QString& themeName)
{
TeTheme* theme = getTheme(themeName.latin1());
if(theme == 0)
return;
// Updates the combo box with delimiters...
TeLayer* layer = theme->layer();
boxComboBox->setCurrentText(layer->name().c_str());
// Lists attributes on the weightComboBox
weightComboBox->clear();
//if (text=="") text=themeComboBox->currentText().latin1();
TeTable *attrTable = &layer->attrTables()[0];
TeAttributeList * attrList=&attrTable->attributeList();
for (std::vector<TeAttribute>::iterator i=attrList->begin(); i!=attrList->end();++i) {
cout<<i->rep_.name_<<endl;
weightComboBox->insertItem(i->rep_.name_);
}
}
bool
TeExportShapefile(TeLayer* layer, const string& shpFileName, const string& tableName, const string& restriction)
{
if (!layer || shpFileName.empty())
return false;
// check if asked table exist
TeAttrTableVector& vTables = layer->attrTables();
TeAttrTableVector::iterator it = vTables.begin();
while (it != vTables.end())
{
if (it->name() == tableName)
break;
++it;
}
if (it == vTables.end())
return false;
TeAttrTableVector askedTable;
askedTable.push_back(*it);
TeTheme* tempTheme = new TeTheme();
tempTheme->attributeRest(restriction);
tempTheme->layer(layer);
tempTheme->collectionTable("");
tempTheme->collectionAuxTable("");
tempTheme->setAttTables(askedTable);
TeQuerierParams qPar(true, true);
qPar.setParams(tempTheme);
TeQuerier* tQuerier = new TeQuerier(qPar);
bool res = TeExportQuerierToShapefile(tQuerier, shpFileName);
delete tQuerier;
delete tempTheme;
return res ;
}
void VoronoiWindow::okPushButton_clicked()
{
std::string layerName = layerNameLineEdit->text().utf8();
if(layerName.empty())
{
QMessageBox::information(this, tr("Information"), tr("Please, define a name to result Layer."));
voronoiTabWidget->setCurrentPage(0);
layerNameLineEdit->setFocus();
return;
}
std::string layerLinesName;
if(generateLinesCheckBox->isChecked())
{
layerLinesName = layerLinesLineEdit->text().ascii();
if(layerLinesName.empty())
{
QMessageBox::information(this, tr("Information"), tr("Please, define a name to Layer of Lines."));
voronoiTabWidget->setCurrentPage(1);
layerLinesLineEdit->setFocus();
return;
}
}
if(!isLayerNameValid(layerName))
{
voronoiTabWidget->setCurrentPage(0);
layerNameLineEdit->setFocus();
return;
}
if(!isLayerNameValid(layerLinesName))
{
voronoiTabWidget->setCurrentPage(1);
layerLinesLineEdit->setFocus();
return;
}
if(layerName == layerLinesName)
{
QMessageBox::information(this, tr("Information"), tr("Please, define names differents to Layer result and Layer of Lines."));
return;
}
TeDatabase* db = plugin_params_->getCurrentDatabasePtr();
TeTheme* theme = getTheme(themeComboBox->currentText().latin1());
if(theme == 0)
{
QMessageBox::critical(this, tr("Error"), tr("Error getting the input Theme."));
return;
}
TePrecision::instance().setPrecision(TeGetPrecision(theme->layer()->projection()));
TeTheme *themeDelimiter = getTheme(boxComboBox->currentText().latin1());
if(themeDelimiter == 0)
{
QMessageBox::critical(this, tr("Error"), tr("Error getting the delimiter Layer."));
return;
}
// Verifies is the box chosen is valid
TeBox b = themeDelimiter->layer()->box();
TeProjection* projFrom = themeDelimiter->layer()->projection();
TeProjection* projTo = theme->layer()->projection();
if(!((*projFrom) == (*projTo))) // need remap?
b = TeRemapBox(b, projFrom, projTo);
TeBox& inputBox = theme->layer()->box();
if(!TeIntersects(b, inputBox))
{
QMessageBox::information(this, tr("Information"), tr("The box chosen do not intercepts the input Theme. Please, try another."));
voronoiTabWidget->setCurrentPage(1);
boxComboBox->setFocus();
return;
}
//preparing to read the layer
bool loadAllAttributes=false;
if (diagramType==MWVoronoi) loadAllAttributes = true;
bool loadGeometries = true;
TeQuerierParams querierParams(loadGeometries, loadAllAttributes);
querierParams.setParams(theme->layer());
TeQuerier querier(querierParams);
querier.loadInstances();
//finding weight's attribute
TeAttributeList attrList = querier.getAttrList();
int weightAttrN=0;
if (diagramType==MWVoronoi) {
for (std::vector<TeAttribute>::iterator i=attrList.begin(); i!=attrList.end();++i) {
if (weightComboBox->currentText()==i->rep_.name_) {
break;
}
weightAttrN++;
}
}
int n=querier.numElemInstances();
if(n==0)
{
QMessageBox::critical(this, tr("Error"), tr("Error getting the points of input Theme."));
return;
}
TeWaitCursor wait;
// Converts x,y to a float array in order to pass to VoronoiDiagramGenerator class
float* x = new float[n];
float* y = new float[n];
//pointers for weighted voronoi
float* w;
int numPoints;
w= new float[n];
numPoints = 0;
TeSTInstance sti;
string peso;
//TePoint pointBefore(0,0);
while(querier.fetchInstance(sti)) { // for each point
// Stores on float array
if(sti.hasPoints())
{
TePointSet pointSet;
//reading geometry
sti.getGeometry(pointSet);
x[numPoints] = pointSet[0].location().x();
y[numPoints] = pointSet[0].location().y();
//reading weight
if (diagramType==MWVoronoi) {
stringstream ss;
sti.getPropertyValue(peso,weightAttrN);
ss<<peso;
ss>>w[numPoints];
}
numPoints++;
}
