void SimplifyWindow::pushButton_clicked() {
std::string inputThemeName=this->themeComboBox->currentText().toStdString();
double tol=this->lineEdit->text().toDouble();
std::string outThemeName=this->lineEdit_2->text().toStdString();
TeDatabase* db = plugin_params_->getCurrentDatabasePtr();
TeLayer* inputLayer=getLayer(inputThemeName);
TeProjection* proj = inputLayer->projection();
if (inputLayer->geomRep() & TeLINES) {
TeLineSet lines,outputLines;
inputLayer->getLines(lines);
for (TeLineSet::iterator lineIt=lines.begin();lineIt!=lines.end();++lineIt) {
TeLine2D newline;
newline.copyElements(*lineIt);
TeLineSimplify(newline,tol,TeLength(newline));
}
createLayer(outThemeName,db,proj,outputLines);
}
if (inputLayer->geomRep() & TePOLYGONS) {
TePolygonSet pols,outputPolygons;
inputLayer->getPolygons(pols);
for (TePolygonSet::iterator polIt=pols.begin();polIt!=pols.end();++polIt) {
TePolygon newpol;
for (TePolygon::iterator ringIt=polIt->begin();ringIt!=polIt->end();++ringIt) {
TeLinearRing newring;
newring.copyElements(*ringIt);
TeLineSimplify(newring,tol,TeLength(newring));
newpol.add(newring);
}
outputPolygons.add(newpol);
}
createLayer(outThemeName,db,proj,outputPolygons);
}
QMessageBox::information(this, tr("Information"), tr("Simplification process finished!"));
plugin_params_->updateTVInterface();
}
void TeMANAGER::TeGDLegend::draw(std::vector<TeLegendEntryVector>& legends,
std::vector<std::string>& legendTitles,
const int& width)
{
// verifica quantas linhas tera a legenda: uma para cada legenda e mais uma para cada agrupamento
int legendVecSize = 0;
for(unsigned int i = 0; i < legends.size(); ++i)
{
if(legends[i].size() > 1) // se existe mais de uma legenda, entao temos um agrupamento!
legendVecSize += legends[i].size() + 1;
else // caso contrario, temos somente uma legenda
++legendVecSize;
}
if(legendVecSize == 0)
return;
// determina as dimensoes do canvas
int legendHeight = legendVecSize * 20;
double nlin = (double)legendHeight / 20.0;
double ncol = (double)width/20.0;
TeCoord2D c1(0.0, 0.0);
TeCoord2D c2(ncol, nlin);
TeBox b(0.0, 0.0, ncol, nlin);
// ajusta o canvas
gdCanvas_->setWorld(b, width, legendHeight);
// marca a posicao inicial de escrita
int currentLinePosition = 0;
double posd = legendVecSize - 1;
TeCoord2D c(ncol/2.0, posd + 0.60);
// desenha as legendas
for(unsigned int i = 0; i < legends.size(); ++i)
{
for(unsigned int j = 0; j < legends[i].size(); ++j)
{
posd = legendVecSize - 1 - currentLinePosition;
if((j == 0) && legends[i].size() > 1)
{
TeCoord2D c(0.2, posd + 0.60);
gdCanvas_->draw(c, legendTitles[i], 0.0, 0.5, 0.0);
++currentLinePosition;
posd = legendVecSize - 1 - currentLinePosition;
}
bool hasPOLYGONS = (legends[i][j].getVisualMap().find(TePOLYGONS) != legends[i][j].getVisualMap().end());
bool hasLINES = (legends[i][j].getVisualMap().find(TeLINES) != legends[i][j].getVisualMap().end());
bool hasPOINTS = (legends[i][j].getVisualMap().find(TePOINTS) != legends[i][j].getVisualMap().end());
double dx = 0;
if(hasPOLYGONS)
dx = 1.75;
if(hasLINES)
dx += 1.75;
if(hasPOINTS)
dx += 1.75;
if((j == 0) && legends[i].size() == 1)
{
TeCoord2D c(dx, posd + 0.60);
gdCanvas_->draw(c, legendTitles[i], 0.0, 0.5, 0.0);
}
else
{
TeCoord2D c(dx, posd + 0.60);
gdCanvas_->draw(c, legends[i][j].label(), 0.0, 0.5, 0.0);
}
if(hasPOLYGONS)
{
TeCoord2D c1, c2, c3, c4;
c1.setXY(0.2, posd + 0.15);
c2.setXY(0.2, posd + 0.9);
c3.setXY(1.5, posd + 0.9);
c4.setXY(1.5, posd + 0.15);
TeLine2D l;
l.add(c1); l.add(c2); l.add(c3); l.add(c4); l.add(c1);
TeLinearRing r(l);
TePolygon p;
p.add(r);
// Draw the legend polygon
TeGeomRepVisualMap& visualMap = legends[i][j].getVisualMap();
TeVisual& polygonVisual = *(visualMap[TePOLYGONS]);
TeColor& polygonColor = polygonVisual.color();
TeColor& polygonContourColor = polygonVisual.contourColor();
gdCanvas_->setPolygonColor(polygonColor.red_, polygonColor.green_, polygonColor.blue_, polygonVisual.transparency());
gdCanvas_->setPolygonStyle(polygonVisual.style());
gdCanvas_->setPolygonLineColor(polygonContourColor.red_, polygonContourColor.green_, polygonContourColor.blue_);
gdCanvas_->setPolygonLineStyle(polygonVisual.contourStyle(), polygonVisual.contourWidth());
gdCanvas_->draw(p);
}
if(hasLINES)
{
dx = 0;
if(hasPOLYGONS)
dx = 1.75;
TeCoord2D c1, c2, c3, c4;
c1.setXY(0.2 + dx, posd + 0.15);
c2.setXY(0.6 + dx, posd + 0.9);
c3.setXY(1.0 + dx, posd + 0.15);
c4.setXY(1.5 + dx, posd + 0.9);
TeLine2D l;
l.add(c1); l.add(c2); l.add(c3); l.add(c4);
TeGeomRepVisualMap& visualMap = legends[i][j].getVisualMap();
TeVisual& lnVisual = *(visualMap[TeLINES]);
TeColor& lnColor = lnVisual.color();
gdCanvas_->setLineColor(lnColor.red_, lnColor.green_, lnColor.blue_);
gdCanvas_->setLineStyle(lnVisual.style(), lnVisual.width() + 1);
gdCanvas_->draw(l);
}
if(hasPOINTS)
{
dx = 0;
if(hasPOLYGONS)
dx = 1.75;
if(hasLINES)
dx += 1.75;
TeCoord2D c(0.6 + dx, posd + 0.6);
TePoint pt(c);
TeGeomRepVisualMap& visualMap = legends[i][j].getVisualMap();
TeVisual& ptVisual = *(visualMap[TePOINTS]);
TeColor& ptColor = ptVisual.color();
gdCanvas_->setPointColor(ptColor.red_, ptColor.green_, ptColor.blue_);
gdCanvas_->setPointStyle(ptVisual.style(), ptVisual.size() + 1);
gdCanvas_->draw(pt);
}
++currentLinePosition;
}
}
}
