_rti_iterator_arg_empty_init()

static int _rti_iterator_arg_empty_init ( _rti_iterator_arg  _param )

static

Definition at line 670 of file rt_mapalgebra.c.

References _rti_iterator_arg_t::columns, _rti_iterator_arg_t::dimension, _rti_iterator_arg_t::empty, _rti_iterator_arg_t::nodata, _rti_iterator_arg_t::rows, rtalloc(), rterror(), _rti_iterator_arg_t::values, _rti_iterator_arg_t::x, and _rti_iterator_arg_t::y.

Referenced by rt_raster_iterator().

                                                       {
        int x = 0;
        int y = 0;

        _param->empty.values = rtalloc(sizeof(double *) * _param->dimension.rows);
        _param->empty.nodata = rtalloc(sizeof(int *) * _param->dimension.rows);
        if (_param->empty.values == NULL || _param->empty.nodata == NULL) {
                rterror("_rti_iterator_arg_empty_init: Could not allocate memory for empty values and NODATA");
                return 0;
        }

        for (y = 0; y < _param->dimension.rows; y++) {
                _param->empty.values[y] = rtalloc(sizeof(double) * _param->dimension.columns);
                _param->empty.nodata[y] = rtalloc(sizeof(int) * _param->dimension.columns);

                if (_param->empty.values[y] == NULL || _param->empty.nodata[y] == NULL) {
                        rterror("_rti_iterator_arg_empty_init: Could not allocate memory for elements of empty values and NODATA");
                        return 0;
                }

                for (x = 0; x < _param->dimension.columns; x++) {
                        _param->empty.values[y][x] = 0;
                        _param->empty.nodata[y][x] = 1;
                }
        }

        return 1;
}

Here is the call graph for this function:

Here is the caller graph for this function: