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◆ test_raster_same_alignment()
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Definition at line 4728 of file cu_spatial_relationship.c.
4728 {
4729 rt_raster rast1;
4730 rt_raster rast2;
4731 int rtn;
4732 int aligned;
4733 char *reason;
4734
4735 rast1 = rt_raster_new(2, 2);
4736 CU_ASSERT(rast1 != NULL);
4737 rt_raster_set_scale(rast1, 1, 1);
4738
4739 rast2 = rt_raster_new(10, 10);
4740 CU_ASSERT(rast2 != NULL);
4741 rt_raster_set_scale(rast2, 1, 1);
4742
4743 rtn = rt_raster_same_alignment(rast1, rast2, &aligned, NULL);
4744 CU_ASSERT_EQUAL(rtn, ES_NONE);
4745 CU_ASSERT_NOT_EQUAL(aligned, 0);
4746
4747 rt_raster_set_scale(rast2, 0.1, 0.1);
4748 rtn = rt_raster_same_alignment(rast1, rast2, &aligned, &reason);
4749 CU_ASSERT_EQUAL(rtn, ES_NONE);
4750 CU_ASSERT_EQUAL(aligned, 0);
4751 CU_ASSERT_STRING_EQUAL(reason, "The rasters have different scales on the X axis");
4752 rt_raster_set_scale(rast2, 1, 1);
4753
4754 rt_raster_set_skews(rast2, -0.5, 0.5);
4755 rtn = rt_raster_same_alignment(rast1, rast2, &aligned, &reason);
4756 CU_ASSERT_EQUAL(rtn, ES_NONE);
4757 CU_ASSERT_EQUAL(aligned, 0);
4758 CU_ASSERT_STRING_EQUAL(reason, "The rasters have different skews on the X axis");
4759 rt_raster_set_skews(rast2, 0, 0);
4760
4761 rt_raster_set_offsets(rast2, 1, 1);
4762 rtn = rt_raster_same_alignment(rast1, rast2, &aligned, NULL);
4763 CU_ASSERT_EQUAL(rtn, ES_NONE);
4764 CU_ASSERT_NOT_EQUAL(aligned, 0);
4765
4766 rt_raster_set_offsets(rast2, 2, 3);
4767 rtn = rt_raster_same_alignment(rast1, rast2, &aligned, NULL);
4768 CU_ASSERT_EQUAL(rtn, ES_NONE);
4769 CU_ASSERT_NOT_EQUAL(aligned, 0);
4770
4771 rt_raster_set_offsets(rast2, 0.1, 0.1);
4772 rtn = rt_raster_same_alignment(rast1, rast2, &aligned, &reason);
4773 CU_ASSERT_EQUAL(rtn, ES_NONE);
4774 CU_ASSERT_EQUAL(aligned, 0);
4775 CU_ASSERT_STRING_EQUAL(reason, "The rasters (pixel corner coordinates) are not aligned");
4776
4777 cu_free_raster(rast2);
4778 cu_free_raster(rast1);
4779}
void rt_raster_set_scale(rt_raster raster, double scaleX, double scaleY)
Set scale in projection units.
Definition rt_raster.c:141
void rt_raster_set_skews(rt_raster raster, double skewX, double skewY)
Set skews about the X and Y axis.
Definition rt_raster.c:172
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_same_alignment(rt_raster rast1, rt_raster rast2, int *aligned, char **reason)
Definition rt_spatial_relationship.c:45
void rt_raster_set_offsets(rt_raster raster, double x, double y)
Set insertion points in projection units.
Definition rt_raster.c:203
Definition librtcore.h:2486
References cu_free_raster(), ES_NONE, rt_raster_new(), rt_raster_same_alignment(), rt_raster_set_offsets(), rt_raster_set_scale(), and rt_raster_set_skews().
Referenced by spatial_relationship_suite_setup().
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