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◆ test_raster_envelope()
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static |
Definition at line 27 of file cu_raster_geometry.c.
27 {
29 rt_envelope rtenv;
30
31 /* width = 0, height = 0 */
33 CU_ASSERT(raster != NULL);
34
35 rt_raster_set_offsets(raster, 0.5, 0.5);
36 rt_raster_set_scale(raster, 1, -1);
37
39 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinX, 0.5, DBL_EPSILON);
40 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxX, 0.5, DBL_EPSILON);
41 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinY, 0.5, DBL_EPSILON);
42 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxY, 0.5, DBL_EPSILON);
43 cu_free_raster(raster);
44
45 /* width = 0 */
47 CU_ASSERT(raster != NULL);
48
49 rt_raster_set_offsets(raster, 0.5, 0.5);
50 rt_raster_set_scale(raster, 1, -1);
51
53 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinX, 0.5, DBL_EPSILON);
54 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxX, 0.5, DBL_EPSILON);
55 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinY, -4.5, DBL_EPSILON);
56 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxY, 0.5, DBL_EPSILON);
57 cu_free_raster(raster);
58
59 /* height = 0 */
61 CU_ASSERT(raster != NULL);
62
63 rt_raster_set_offsets(raster, 0.5, 0.5);
64 rt_raster_set_scale(raster, 1, -1);
65
67 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinX, 0.5, DBL_EPSILON);
68 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxX, 5.5, DBL_EPSILON);
69 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinY, 0.5, DBL_EPSILON);
70 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxY, 0.5, DBL_EPSILON);
71 cu_free_raster(raster);
72
73 /* normal raster */
75 CU_ASSERT(raster != NULL);
76
77 rt_raster_set_offsets(raster, 0.5, 0.5);
78 rt_raster_set_scale(raster, 1, -1);
79
81 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinX, 0.5, DBL_EPSILON);
82 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxX, 5.5, DBL_EPSILON);
83 CU_ASSERT_DOUBLE_EQUAL(rtenv.MinY, -4.5, DBL_EPSILON);
84 CU_ASSERT_DOUBLE_EQUAL(rtenv.MaxY, 0.5, DBL_EPSILON);
85 cu_free_raster(raster);
86}
void rt_raster_set_scale(rt_raster raster, double scaleX, double scaleY)
Set scale in projection units.
Definition rt_raster.c:141
rt_raster rt_raster_new(uint32_t width, uint32_t height)
Construct a raster with given dimensions.
Definition rt_raster.c:52
rt_errorstate rt_raster_get_envelope(rt_raster raster, rt_envelope *env)
Get raster's envelope.
Definition rt_raster.c:782
void rt_raster_set_offsets(rt_raster raster, double x, double y)
Set insertion points in projection units.
Definition rt_raster.c:203
raster
Be careful!! Zeros function's input parameter can be a (height x width) array, not (width x height): ...
Definition rtrowdump.py:125
Definition librtcore.h:166
Definition librtcore.h:2486
References cu_free_raster(), ES_NONE, rt_envelope::MaxX, rt_envelope::MaxY, rt_envelope::MinX, rt_envelope::MinY, rt_raster_get_envelope(), rt_raster_new(), rt_raster_set_offsets(), and rt_raster_set_scale().
Referenced by raster_geometry_suite_setup().
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