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++;
}
string
TeQuerierDB::sqlWhereRestrictions(TeRepresentation* rep)
{
TeKeys objs;
string whereClause= " 1 = 1 ";
TeDatabase* db = params_->theme()->layer()->database();
if(!db)
return "";
// load the first representation
if(!rep)
rep = (params_->theme()->layer()->vectRepres())[0];
// spatial restriction with other geometry representation
if (params_->hasSpatialRes() && rep)
{
if(params_->boxRest().isValid())
{
TeBox b = params_->boxRest();
TeGeomRep gRep = rep->geomRep_;
string geomTableRest = params_->theme()->layer()->tableName(params_->geomRepRest());
whereClause += " AND "+ db->getSQLBoxWhere(b, gRep, geomTableRest);
}
else if(params_->geomRest())
{
string geomTableRest = params_->theme()->layer()->tableName(params_->geomRepRest());
TePrecision::instance().setPrecision(TeGetPrecision(params_->theme()->layer()->projection()));
if((db->spatialRelation(geomTableRest, params_->geomRepRest(), params_->geomRest(),
objs, params_->spatialRelation())) && (!objs.empty()))
{
string obs;
for(unsigned int i=0; i<objs.size(); i++)
{
if(i!=0)
obs += ",";
obs += "'"+ objs[i] +"'";
}
whereClause += " AND "+ rep->tableName_ +".object_id IN ("+ obs +")";
}
else
whereClause += " AND 1 <> 1 "; // no geometry was found
}
}
//selected objects
switch (params_->selectedObjs())
{
case TeAll:
break;
case TeSelectedByPointing:
whereClause += " AND (grid_status = 1 OR grid_status = 3";
whereClause += " OR (grid_status IS NULL AND (c_object_status = 1 OR c_object_status = 3)))";
break;
case TeNotSelectedByPointing:
whereClause += " AND (grid_status = 0 OR grid_status = 2";
whereClause += " OR (grid_status is null AND (c_object_status = 0 OR c_object_status = 2)))";
break;
case TeSelectedByQuery:
whereClause += " AND (grid_status = 2 OR grid_status = 3";
whereClause += " OR (grid_status is null AND (c_object_status = 2 OR c_object_status = 3)))";
break;
case TeNotSelectedByQuery:
whereClause += " AND (grid_status = 0 OR grid_status = 1";
whereClause += " OR (grid_status is null AND (c_object_status = 0 OR c_object_status = 1)))";
break;
case TeGrouped:
whereClause += " AND c_legend_id <> 0";
break;
case TeNotGrouped:
whereClause += " AND c_legend_id = 0";
break;
case TeSelectedByPointingAndQuery:
whereClause += " AND grid_status = 3";
whereClause += " OR (grid_status is null AND c_object_status = 3)";
break;
case TeSelectedByPointingOrQuery:
whereClause += " AND (grid_status = 1 OR grid_status = 2 OR grid_status = 3)";
whereClause += " OR (grid_status is null AND (c_object_status = 3 OR c_object_status = 1 OR c_object_status = 2))";
break;
}
return whereClause;
}
