void DBObjData::RecalcExtent() {
DBRegion extent;
switch (Type()) {
case DBTypeVectorPoint:
case DBTypeVectorLine:
case DBTypeVectorPolygon: {
DBVectorIF *vectorIF = new DBVectorIF(this);
DBInt recordID;
for (recordID = 0; recordID < vectorIF->ItemNum(); ++recordID)
extent.Expand(Extent(vectorIF->Item(recordID)));
delete vectorIF;
}
break;
case DBTypeGridDiscrete:
case DBTypeGridContinuous: {
DBGridIF *gridIF = new DBGridIF(this);
extent.LowerLeft = Extent().LowerLeft;
extent.UpperRight.X = extent.LowerLeft.X + gridIF->ColNum() * gridIF->CellWidth();
extent.UpperRight.Y = extent.LowerLeft.Y + gridIF->RowNum() * gridIF->CellHeight();
delete gridIF;
}
break;
case DBTypeNetwork: {
DBNetworkIF *netIF = new DBNetworkIF(this);
extent.LowerLeft = Extent().LowerLeft;
extent.UpperRight.X = extent.LowerLeft.X + netIF->ColNum() * netIF->CellWidth();
extent.UpperRight.Y = extent.LowerLeft.Y + netIF->RowNum() * netIF->CellHeight();
delete netIF;
}
break;
case DBTypeTable:
default:
return;
}
Extent(extent);
}
DBObjData *DBNetworkToGrid(DBObjData *netData, DBInt type) {
DBPosition pos;
DBObjData *grdData = new DBObjData("", type);
DBObjRecord *layerRec, *dataRec;
DBObjTable *layerTable = grdData->Table(DBrNLayers);
DBObjTable *itemTable = grdData->Table(DBrNItems);
DBObjTableField *rowNumFLD = layerTable->Field(DBrNRowNum);
DBObjTableField *colNumFLD = layerTable->Field(DBrNColNum);
DBObjTableField *cellWidthFLD = layerTable->Field(DBrNCellWidth);
DBObjTableField *cellHeightFLD = layerTable->Field(DBrNCellHeight);
DBObjTableField *valueTypeFLD = layerTable->Field(DBrNValueType);
DBObjTableField *valueSizeFLD = layerTable->Field(DBrNValueSize);
DBObjTableField *layerFLD = layerTable->Field(DBrNLayer);
DBNetworkIF *netIF;
DBGridIF *gridIF;
grdData->Projection(netData->Projection());
grdData->Precision(netData->Precision());
grdData->MaxScale(netData->MaxScale());
grdData->MinScale(netData->MinScale());
grdData->Extent(netData->Extent());
grdData->Document(DBDocGeoDomain, netData->Document(DBDocGeoDomain));
netIF = new DBNetworkIF(netData);
layerTable->Add("FirstLayer");
if ((layerRec = layerTable->Item()) == (DBObjRecord *) NULL) {
delete netIF;
return ((DBObjData *) NULL);
}
rowNumFLD->Int(layerRec, netIF->RowNum());
colNumFLD->Int(layerRec, netIF->ColNum());
cellWidthFLD->Float(layerRec, netIF->CellWidth());
cellHeightFLD->Float(layerRec, netIF->CellHeight());
switch (type) {
case DBTypeGridContinuous:
valueTypeFLD->Int(layerRec, DBTableFieldFloat);
valueSizeFLD->Int(layerRec, sizeof(DBFloat));
break;
case DBTypeGridDiscrete:
valueTypeFLD->Int(layerRec, DBTableFieldInt);
valueSizeFLD->Int(layerRec, sizeof(DBInt));
break;
default:
CMmsgPrint(CMmsgAppError, "Invalid Data Type in: %s %d", __FILE__, __LINE__);
delete grdData;
delete netIF;
return ((DBObjData *) NULL);
}
if ((dataRec = new DBObjRecord(layerRec->Name(),
((size_t) netIF->ColNum()) * netIF->RowNum() * valueSizeFLD->Int(layerRec),
valueSizeFLD->Int(layerRec))) == (DBObjRecord *) NULL) {
delete netIF;
return ((DBObjData *) NULL);
}
(grdData->Arrays())->Add(dataRec);
layerFLD->Record(layerRec, dataRec);
gridIF = new DBGridIF(grdData);
if (type == DBTypeGridContinuous) {
itemTable->Add(layerRec->Name());
DBObjTableField *missingValueFLD = itemTable->Field(DBrNMissingValue);
missingValueFLD->Float(itemTable->Item(layerRec->Name()), DBDefaultMissingFloatVal);
for (pos.Row = 0; pos.Row < netIF->RowNum(); pos.Row++)
for (pos.Col = 0; pos.Col < netIF->ColNum(); pos.Col++)
gridIF->Value(layerRec, pos, DBDefaultMissingFloatVal);
}
else {
DBObjTable *symbolTable = grdData->Table(DBrNSymbols);
DBObjTableField *foregroundFLD = symbolTable->Field(DBrNForeground);
DBObjTableField *backgroundFLD = symbolTable->Field(DBrNBackground);
DBObjTableField *styleFLD = symbolTable->Field(DBrNStyle);
DBObjRecord *symbolRec = symbolTable->Add("Default Symbol");
foregroundFLD->Int(symbolRec, 1);
backgroundFLD->Int(symbolRec, 0);
styleFLD->Int(symbolRec, 0);
for (pos.Row = 0; pos.Row < netIF->RowNum(); pos.Row++)
for (pos.Col = 0; pos.Col < netIF->ColNum(); pos.Col++)
gridIF->Value(layerRec, pos, 0);
}
delete netIF;
delete gridIF;
return (grdData);
}