square_grid_state()

static SquareGridState * square_grid_state ( double  size, const GBOX *  gbox, int32_t  srid  )

static

Definition at line 189 of file lwgeom_generate_grid.c.

{
        SquareGridState *state = palloc0(sizeof(SquareGridState));
 
        /* fill in state */
        state->cell_shape = SHAPE_SQUARE;
        state->size = size;
        state->srid = srid;
        state->done = false;
        state->bounds = *gbox;
 
        state->column_min = floor(gbox->xmin / size);
        state->column_max = floor(gbox->xmax / size);
        state->row_min = floor(gbox->ymin / size);
        state->row_max = floor(gbox->ymax / size);
        state->i = state->column_min;
        state->j = state->row_min;
        return state;
}

References SquareGridState::bounds, SquareGridState::cell_shape, SquareGridState::column_max, SquareGridState::column_min, SquareGridState::done, SquareGridState::i, SquareGridState::j, SquareGridState::row_max, SquareGridState::row_min, SHAPE_SQUARE, SquareGridState::size, SquareGridState::srid, GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by ST_ShapeGrid().

Here is the caller graph for this function: