test_raster_replace_band()

static void test_raster_replace_band ( )

static

Definition at line 172 of file cu_raster_basics.c.

                                       {
        rt_raster raster;
        rt_band band;
        rt_band rband;
        void* mem;
        size_t datasize;
        uint16_t width;
        uint16_t height;
        double nodata;
 
        raster = rt_raster_new(10, 10);
        CU_ASSERT(raster != NULL); /* or we're out of virtual memory */
        band = cu_add_band(raster, PT_8BUI, 0, 0);
        CU_ASSERT(band != NULL);
        band = cu_add_band(raster, PT_8BUI, 1, 255);
        CU_ASSERT(band != NULL);
 
        width = rt_raster_get_width(raster);
        height = rt_raster_get_height(raster);
 
        datasize = rt_pixtype_size(PT_8BUI) * width * height;
        mem = rtalloc(datasize);
        band = rt_band_new_inline(width, height, PT_8BUI, 1, 1, mem);
        CU_ASSERT(band != NULL);
        rt_band_set_ownsdata_flag(band, 1);
 
        rband = rt_raster_replace_band(raster, band, 0);
        CU_ASSERT(rband != NULL);
        rt_band_get_nodata(rt_raster_get_band(raster, 0), &nodata);
        CU_ASSERT_DOUBLE_EQUAL(nodata, 1, DBL_EPSILON);
 
        rt_band_destroy(rband);
        cu_free_raster(raster);
}

References cu_add_band(), cu_free_raster(), PT_8BUI, rt_band_destroy(), rt_band_get_nodata(), rt_band_new_inline(), rt_band_set_ownsdata_flag(), rt_pixtype_size(), rt_raster_get_band(), rt_raster_get_height(), rt_raster_get_width(), rt_raster_new(), rt_raster_replace_band(), and rtalloc().

Referenced by raster_basics_suite_setup().

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