GridGroupReader

The class GridGroupReader reads attributes and arrays from the grid group of a qdf file.

This file extends the attribute structure:

struct GridAttributes : Attributes {
    stringmap smData;
};
Code:
GridGroupReader.h
GridGroupReader.cpp

Public Methods

createGridGroupReader

static GridGroupReader *createGridGroupReader(const std::string sFileName);
static GridGroupReader *createGridGroupReader(hid_t hFile);

Creates a GridGroupReader object for a qdf file.

sFileName

Name of the file to read the grid from.

hFile

HDF5 handle for the file to read the grid from.

Returns a pointer to the GridGroupReader object or NULL on failure.

tryReadAttributes

virtual int tryReadAttributes(GridAttributes *pAttributes);

Reads all attributes in the grid group into the attribute structure. It first calls the parent class’ version of tryReadAttributes() and then goes on loading the gtid specific data.

pAttributes

A pointer GridAttributes object to hold the attributes.

Returns 0 on success, -1 on failure.

readArray

virtual int readArray(SCellGrid *pGroup, const std::string sArrayName)

For GridGroupReader this method does nothing.

Returns 0.

readData

virtual int readData(SCellGrid *pGroup);

Reads the CellDataSet from the grid group of the qdf file into the GridGroupObject.

pGroup

A Pointer to SCellGrid object.

Protected Methods

constructor

GridGroupReader();

The constructor