本文整理汇总了C++中OGRLinearRing::get_IsClosed方法的典型用法代码示例。如果您正苦于以下问题：C++ OGRLinearRing::get_IsClosed方法的具体用法？C++ OGRLinearRing::get_IsClosed怎么用？C++ OGRLinearRing::get_IsClosed使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OGRLinearRing的用法示例。
在下文中一共展示了OGRLinearRing::get_IsClosed方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: if
void ILI1Reader::ReadGeom(char **stgeom, OGRwkbGeometryType eType, OGRFeature *feature) {
char **tokens = NULL;
const char *firsttok = NULL;
int end = FALSE;
int isArc = FALSE;
OGRLineString *ogrLine = NULL; //current line
OGRLinearRing *ogrRing = NULL; //current ring
OGRPolygon *ogrPoly = NULL; //current polygon
OGRPoint ogrPoint, arcPoint, endPoint; //points for arc interpolation
OGRMultiLineString *ogrMultiLine = NULL; //current multi line
//tokens = ["STPT", "1111", "22222"]
ogrPoint.setX(atof(stgeom[1])); ogrPoint.setY(atof(stgeom[2]));
ogrLine = (eType == wkbPolygon) ? new OGRLinearRing() : new OGRLineString();
ogrLine->addPoint(&ogrPoint);
//Set feature geometry
if (eType == wkbMultiLineString)
{
ogrMultiLine = new OGRMultiLineString();
feature->SetGeometryDirectly(ogrMultiLine);
}
else if (eType == wkbGeometryCollection) //AREA
{
if (feature->GetGeometryRef())
ogrMultiLine = (OGRMultiLineString *)feature->GetGeometryRef();
else
{
ogrMultiLine = new OGRMultiLineString();
feature->SetGeometryDirectly(ogrMultiLine);
}
}
else if (eType == wkbPolygon)
{
if (feature->GetGeometryRef())
{
ogrPoly = (OGRPolygon *)feature->GetGeometryRef();
if (ogrPoly->getNumInteriorRings() > 0)
ogrRing = ogrPoly->getInteriorRing(ogrPoly->getNumInteriorRings()-1);
else
ogrRing = ogrPoly->getExteriorRing();
if (ogrRing && !ogrRing->get_IsClosed()) ogrLine = ogrRing; //SURFACE polygon spread over multiple OBJECTs
}
else
{
ogrPoly = new OGRPolygon();
feature->SetGeometryDirectly(ogrPoly);
}
}
else
{
feature->SetGeometryDirectly(ogrLine);
}
//Parse geometry
while (!end && (tokens = ReadParseLine()))
{
firsttok = CSLGetField(tokens, 0);
if (EQUAL(firsttok, "LIPT"))
{
if (isArc) {
endPoint.setX(atof(tokens[1])); endPoint.setY(atof(tokens[2]));
interpolateArc(ogrLine, &ogrPoint, &arcPoint, &endPoint, arcIncr);
}
ogrPoint.setX(atof(tokens[1])); ogrPoint.setY(atof(tokens[2])); isArc = FALSE;
ogrLine->addPoint(&ogrPoint);
}
else if (EQUAL(firsttok, "ARCP"))
{
isArc = TRUE;
arcPoint.setX(atof(tokens[1])); arcPoint.setY(atof(tokens[2]));
}
else if (EQUAL(firsttok, "ELIN"))
{
if (ogrMultiLine)
{
ogrMultiLine->addGeometryDirectly(ogrLine);
}
if (ogrPoly && ogrLine != ogrRing)
{
ogrPoly->addRingDirectly((OGRLinearRing *)ogrLine);
}
end = TRUE;
}
else if (EQUAL(firsttok, "EEDG"))
{
end = TRUE;
}
else if (EQUAL(firsttok, "LATT"))
{
//Line Attributes (ignored)
}
else if (EQUAL(firsttok, "EFLA"))
{
end = TRUE;
}
else if (EQUAL(firsttok, "ETAB"))
{
end = TRUE;
//.........这里部分代码省略.........