_rti_colormap_arg_init()

static _rti_colormap_arg _rti_colormap_arg_init ( rt_raster  raster )

static

Definition at line 1444 of file rt_mapalgebra.c.

References _rti_iterator_arg_t::arg, _rti_colormap_arg_t::band, _rti_colormap_arg_t::expr, _rti_colormap_arg_t::hasnodata, _rti_colormap_arg_t::nexpr, _rti_colormap_arg_t::nodataentry, _rti_colormap_arg_t::nodataval, _rti_colormap_arg_t::npos, _rti_colormap_arg_t::pos, _rti_colormap_arg_t::raster, rt_raster_clone(), rtalloc(), and rterror().

Referenced by rt_raster_colormap().

                                         {
        _rti_colormap_arg arg = NULL;

        arg = rtalloc(sizeof(struct _rti_colormap_arg_t));
        if (arg == NULL) {
                rterror("_rti_colormap_arg_init: Could not allocate memory for _rti_color_arg");
                return NULL;
        }

        arg->band = NULL;
        arg->nodataentry = NULL;
        arg->hasnodata = 0;
        arg->nodataval = 0;

        if (raster == NULL)
                arg->raster = NULL;
        /* raster provided */
        else {
                arg->raster = rt_raster_clone(raster, 0);
                if (arg->raster == NULL) {
                        rterror("_rti_colormap_arg_init: Could not create output raster");
                        return NULL;
                }
        }

        arg->nexpr = 0;
        arg->expr = NULL;

        arg->npos = 0;
        arg->pos = NULL;

        return arg;
}

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