PostGIS  2.5.0dev-r@@SVN_REVISION@@
static void test_raster_intersects ( )
static

Definition at line 4261 of file cu_spatial_relationship.c.

References cu_add_band(), cu_free_raster(), ES_NONE, PT_8BUI, rt_band_get_nodata(), rt_band_set_nodata(), rt_band_set_pixel(), rt_raster_intersects(), rt_raster_new(), rt_raster_set_offsets(), rt_raster_set_scale(), and rt_raster_set_skews().

Referenced by spatial_relationship_suite_setup().

4261  {
4262  rt_raster rast1;
4263  rt_raster rast2;
4264  rt_band band1;
4265  rt_band band2;
4266  double nodata;
4267  int rtn;
4268  int result;
4269 
4270  /*
4271  rast1
4272 
4273  (-1, -1)
4274  +-+-+
4275  |1|1|
4276  +-+-+
4277  |1|1|
4278  +-+-+
4279  (1, 1)
4280  */
4281  rast1 = rt_raster_new(2, 2);
4282  CU_ASSERT(rast1 != NULL);
4283  rt_raster_set_scale(rast1, 1, 1);
4284  rt_raster_set_offsets(rast1, -1, -1);
4285 
4286  band1 = cu_add_band(rast1, PT_8BUI, 1, 0);
4287  CU_ASSERT(band1 != NULL);
4288  rt_band_set_nodata(band1, 0, NULL);
4289  rtn = rt_band_set_pixel(band1, 0, 0, 1, NULL);
4290  rtn = rt_band_set_pixel(band1, 0, 1, 1, NULL);
4291  rtn = rt_band_set_pixel(band1, 1, 0, 1, NULL);
4292  rtn = rt_band_set_pixel(band1, 1, 1, 1, NULL);
4293 
4294  rt_band_get_nodata(band1, &nodata);
4295  CU_ASSERT_EQUAL(nodata, 0);
4296 
4297  /*
4298  rast2
4299 
4300  (0, 0)
4301  +-+-+
4302  |1|1|
4303  +-+-+
4304  |1|1|
4305  +-+-+
4306  (2, 2)
4307  */
4308  rast2 = rt_raster_new(2, 2);
4309  CU_ASSERT(rast2 != NULL);
4310  rt_raster_set_scale(rast2, 1, 1);
4311 
4312  band2 = cu_add_band(rast2, PT_8BUI, 1, 0);
4313  CU_ASSERT(band2 != NULL);
4314  rt_band_set_nodata(band2, 0, NULL);
4315  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4316  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4317  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4318  rtn = rt_band_set_pixel(band2, 1, 1, 1, NULL);
4319 
4320  rt_band_get_nodata(band2, &nodata);
4321  CU_ASSERT_EQUAL(nodata, 0);
4322 
4323  rtn = rt_raster_intersects(
4324  rast1, 0,
4325  rast2, 0,
4326  &result
4327  );
4328  CU_ASSERT_EQUAL(rtn, ES_NONE);
4329  CU_ASSERT_EQUAL(result, 1);
4330 
4331  rtn = rt_raster_intersects(
4332  rast1, -1,
4333  rast2, -1,
4334  &result
4335  );
4336  CU_ASSERT_EQUAL(rtn, ES_NONE);
4337  CU_ASSERT_EQUAL(result, 1);
4338 
4339  /*
4340  rast2
4341 
4342  (0, 0)
4343  +-+-+
4344  |0|1|
4345  +-+-+
4346  |1|1|
4347  +-+-+
4348  (2, 2)
4349  */
4350  rtn = rt_band_set_pixel(band2, 0, 0, 0, NULL);
4351 
4352  rtn = rt_raster_intersects(
4353  rast1, 0,
4354  rast2, 0,
4355  &result
4356  );
4357  CU_ASSERT_EQUAL(rtn, ES_NONE);
4358  CU_ASSERT_EQUAL(result, 1);
4359 
4360  /*
4361  rast2
4362 
4363  (0, 0)
4364  +-+-+
4365  |1|0|
4366  +-+-+
4367  |1|1|
4368  +-+-+
4369  (2, 2)
4370  */
4371  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4372  rtn = rt_band_set_pixel(band2, 1, 0, 0, NULL);
4373 
4374  rtn = rt_raster_intersects(
4375  rast1, 0,
4376  rast2, 0,
4377  &result
4378  );
4379  CU_ASSERT_EQUAL(rtn, ES_NONE);
4380  CU_ASSERT_EQUAL(result, 1);
4381 
4382  /*
4383  rast2
4384 
4385  (0, 0)
4386  +-+-+
4387  |0|0|
4388  +-+-+
4389  |0|1|
4390  +-+-+
4391  (2, 2)
4392  */
4393  rtn = rt_band_set_pixel(band2, 0, 0, 0, NULL);
4394  rtn = rt_band_set_pixel(band2, 1, 0, 0, NULL);
4395  rtn = rt_band_set_pixel(band2, 0, 1, 0, NULL);
4396 
4397  rtn = rt_raster_intersects(
4398  rast1, 0,
4399  rast2, 0,
4400  &result
4401  );
4402  CU_ASSERT_EQUAL(rtn, ES_NONE);
4403  CU_ASSERT_EQUAL(result, 1);
4404 
4405  /*
4406  rast2
4407 
4408  (0, 0)
4409  +-+-+
4410  |0|0|
4411  +-+-+
4412  |0|0|
4413  +-+-+
4414  (2, 2)
4415  */
4416  rtn = rt_band_set_pixel(band2, 0, 0, 0, NULL);
4417  rtn = rt_band_set_pixel(band2, 1, 0, 0, NULL);
4418  rtn = rt_band_set_pixel(band2, 0, 1, 0, NULL);
4419  rtn = rt_band_set_pixel(band2, 1, 1, 0, NULL);
4420 
4421  rtn = rt_raster_intersects(
4422  rast1, 0,
4423  rast2, 0,
4424  &result
4425  );
4426  CU_ASSERT_EQUAL(rtn, ES_NONE);
4427  CU_ASSERT_NOT_EQUAL(result, 1);
4428 
4429  /*
4430  rast2
4431 
4432  (2, 0)
4433  +-+-+
4434  |1|1|
4435  +-+-+
4436  |1|1|
4437  +-+-+
4438  (4, 2)
4439  */
4440  rt_raster_set_offsets(rast2, 2, 0);
4441 
4442  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4443  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4444  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4445  rtn = rt_band_set_pixel(band2, 1, 1, 1, NULL);
4446 
4447  rtn = rt_raster_intersects(
4448  rast1, 0,
4449  rast2, 0,
4450  &result
4451  );
4452  CU_ASSERT_EQUAL(rtn, ES_NONE);
4453  CU_ASSERT_NOT_EQUAL(result, 1);
4454 
4455  /*
4456  rast2
4457 
4458  (0.1, 0.1)
4459  +-+-+
4460  |1|1|
4461  +-+-+
4462  |1|1|
4463  +-+-+
4464  (0.9, 0.9)
4465  */
4466  rt_raster_set_offsets(rast2, 0.1, 0.1);
4467  rt_raster_set_scale(rast2, 0.4, 0.4);
4468 
4469  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4470  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4471  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4472  rtn = rt_band_set_pixel(band2, 1, 1, 1, NULL);
4473 
4474  rtn = rt_raster_intersects(
4475  rast1, 0,
4476  rast2, 0,
4477  &result
4478  );
4479  CU_ASSERT_EQUAL(rtn, ES_NONE);
4480  CU_ASSERT_EQUAL(result, 1);
4481 
4482  /*
4483  rast2
4484 
4485  (-0.1, 0.1)
4486  +-+-+
4487  |1|1|
4488  +-+-+
4489  |1|1|
4490  +-+-+
4491  (0.9, 0.9)
4492  */
4493  rt_raster_set_offsets(rast2, -0.1, 0.1);
4494 
4495  rtn = rt_raster_intersects(
4496  rast1, 0,
4497  rast2, 0,
4498  &result
4499  );
4500  CU_ASSERT_EQUAL(rtn, ES_NONE);
4501  CU_ASSERT_EQUAL(result, 1);
4502 
4503  cu_free_raster(rast2);
4504 
4505  /*
4506  rast2
4507 
4508  (0, 0)
4509  +-+-+-+
4510  |1|1|1|
4511  +-+-+-+
4512  |1|1|1|
4513  +-+-+-+
4514  |1|1|1|
4515  +-+-+-+
4516  (3, 3)
4517  */
4518  rast2 = rt_raster_new(3, 3);
4519  CU_ASSERT(rast2 != NULL);
4520  rt_raster_set_scale(rast2, 1, 1);
4521 
4522  band2 = cu_add_band(rast2, PT_8BUI, 1, 0);
4523  CU_ASSERT(band2 != NULL);
4524  rt_band_set_nodata(band2, 0, NULL);
4525  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4526  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4527  rtn = rt_band_set_pixel(band2, 0, 2, 1, NULL);
4528  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4529  rtn = rt_band_set_pixel(band2, 1, 1, 1, NULL);
4530  rtn = rt_band_set_pixel(band2, 1, 2, 1, NULL);
4531  rtn = rt_band_set_pixel(band2, 2, 0, 1, NULL);
4532  rtn = rt_band_set_pixel(band2, 2, 1, 1, NULL);
4533  rtn = rt_band_set_pixel(band2, 2, 2, 1, NULL);
4534 
4535  rt_band_get_nodata(band2, &nodata);
4536  CU_ASSERT_EQUAL(nodata, 0);
4537 
4538  rtn = rt_raster_intersects(
4539  rast1, 0,
4540  rast2, 0,
4541  &result
4542  );
4543  CU_ASSERT_EQUAL(rtn, ES_NONE);
4544  CU_ASSERT_EQUAL(result, 1);
4545 
4546  /*
4547  rast2
4548 
4549  (-2, -2)
4550  +-+-+-+
4551  |1|1|1|
4552  +-+-+-+
4553  |1|1|1|
4554  +-+-+-+
4555  |1|1|1|
4556  +-+-+-+
4557  (1, 1)
4558  */
4559  rt_raster_set_offsets(rast2, -2, -2);
4560 
4561  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4562  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4563  rtn = rt_band_set_pixel(band2, 0, 2, 1, NULL);
4564  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4565  rtn = rt_band_set_pixel(band2, 1, 1, 1, NULL);
4566  rtn = rt_band_set_pixel(band2, 1, 2, 1, NULL);
4567  rtn = rt_band_set_pixel(band2, 2, 0, 1, NULL);
4568  rtn = rt_band_set_pixel(band2, 2, 1, 1, NULL);
4569  rtn = rt_band_set_pixel(band2, 2, 2, 1, NULL);
4570 
4571  rtn = rt_raster_intersects(
4572  rast1, 0,
4573  rast2, 0,
4574  &result
4575  );
4576  CU_ASSERT_EQUAL(rtn, ES_NONE);
4577  CU_ASSERT_EQUAL(result, 1);
4578 
4579  /*
4580  rast2
4581 
4582  (-2, -2)
4583  +-+-+-+
4584  |0|1|1|
4585  +-+-+-+
4586  |1|0|1|
4587  +-+-+-+
4588  |1|1|0|
4589  +-+-+-+
4590  (1, 1)
4591  */
4592  rtn = rt_band_set_pixel(band2, 0, 0, 0, NULL);
4593  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4594  rtn = rt_band_set_pixel(band2, 0, 2, 1, NULL);
4595  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4596  rtn = rt_band_set_pixel(band2, 1, 1, 0, NULL);
4597  rtn = rt_band_set_pixel(band2, 1, 2, 1, NULL);
4598  rtn = rt_band_set_pixel(band2, 2, 0, 1, NULL);
4599  rtn = rt_band_set_pixel(band2, 2, 1, 1, NULL);
4600  rtn = rt_band_set_pixel(band2, 2, 2, 0, NULL);
4601 
4602  rtn = rt_raster_intersects(
4603  rast1, 0,
4604  rast2, 0,
4605  &result
4606  );
4607  CU_ASSERT_EQUAL(rtn, ES_NONE);
4608  CU_ASSERT_EQUAL(result, 1);
4609 
4610  /*
4611  rast2
4612 
4613  (-2, -2)
4614  +-+-+-+
4615  |0|1|1|
4616  +-+-+-+
4617  |1|0|0|
4618  +-+-+-+
4619  |1|0|0|
4620  +-+-+-+
4621  (1, 1)
4622  */
4623  rtn = rt_band_set_pixel(band2, 0, 0, 0, NULL);
4624  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4625  rtn = rt_band_set_pixel(band2, 0, 2, 1, NULL);
4626  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4627  rtn = rt_band_set_pixel(band2, 1, 1, 0, NULL);
4628  rtn = rt_band_set_pixel(band2, 1, 2, 0, NULL);
4629  rtn = rt_band_set_pixel(band2, 2, 0, 1, NULL);
4630  rtn = rt_band_set_pixel(band2, 2, 1, 0, NULL);
4631  rtn = rt_band_set_pixel(band2, 2, 2, 0, NULL);
4632 
4633  rtn = rt_raster_intersects(
4634  rast1, 0,
4635  rast2, 0,
4636  &result
4637  );
4638  CU_ASSERT_EQUAL(rtn, ES_NONE);
4639  CU_ASSERT_EQUAL(result, 1);
4640 
4641  /*
4642  rast2
4643 
4644  (-2, -2)
4645  +-+-+-+
4646  |0|1|0|
4647  +-+-+-+
4648  |1|0|0|
4649  +-+-+-+
4650  |0|0|0|
4651  +-+-+-+
4652  (1, 1)
4653  */
4654  rtn = rt_band_set_pixel(band2, 0, 0, 0, NULL);
4655  rtn = rt_band_set_pixel(band2, 0, 1, 1, NULL);
4656  rtn = rt_band_set_pixel(band2, 0, 2, 0, NULL);
4657  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4658  rtn = rt_band_set_pixel(band2, 1, 1, 0, NULL);
4659  rtn = rt_band_set_pixel(band2, 1, 2, 0, NULL);
4660  rtn = rt_band_set_pixel(band2, 2, 0, 0, NULL);
4661  rtn = rt_band_set_pixel(band2, 2, 1, 0, NULL);
4662  rtn = rt_band_set_pixel(band2, 2, 2, 0, NULL);
4663 
4664  rtn = rt_raster_intersects(
4665  rast1, 0,
4666  rast2, 0,
4667  &result
4668  );
4669  CU_ASSERT_EQUAL(rtn, ES_NONE);
4670  CU_ASSERT_EQUAL(result, 1);
4671 
4672  cu_free_raster(rast2);
4673 
4674  /* skew tests */
4675  /* rast2 (skewed by -0.5, 0.5) */
4676  rast2 = rt_raster_new(3, 3);
4677  CU_ASSERT(rast2 != NULL);
4678  rt_raster_set_scale(rast2, 1, 1);
4679  rt_raster_set_skews(rast2, -0.5, 0.5);
4680 
4681  band2 = cu_add_band(rast2, PT_8BUI, 1, 0);
4682  CU_ASSERT(band2 != NULL);
4683  rt_band_set_nodata(band2, 0, NULL);
4684  rtn = rt_band_set_pixel(band2, 0, 0, 1, NULL);
4685  rtn = rt_band_set_pixel(band2, 0, 1, 2, NULL);
4686  rtn = rt_band_set_pixel(band2, 0, 2, 3, NULL);
4687  rtn = rt_band_set_pixel(band2, 1, 0, 1, NULL);
4688  rtn = rt_band_set_pixel(band2, 1, 1, 2, NULL);
4689  rtn = rt_band_set_pixel(band2, 1, 2, 3, NULL);
4690  rtn = rt_band_set_pixel(band2, 2, 0, 1, NULL);
4691  rtn = rt_band_set_pixel(band2, 2, 1, 2, NULL);
4692  rtn = rt_band_set_pixel(band2, 2, 2, 3, NULL);
4693 
4694  rtn = rt_raster_intersects(
4695  rast1, 0,
4696  rast2, 0,
4697  &result
4698  );
4699  CU_ASSERT_EQUAL(rtn, ES_NONE);
4700  CU_ASSERT_EQUAL(result, 1);
4701 
4702  /* rast2 (skewed by -1, 1) */
4703  rt_raster_set_skews(rast2, -1, 1);
4704 
4705  rtn = rt_raster_intersects(
4706  rast1, 0,
4707  rast2, 0,
4708  &result
4709  );
4710  CU_ASSERT_EQUAL(rtn, ES_NONE);
4711  CU_ASSERT_EQUAL(result, 1);
4712 
4713  /* rast2 (skewed by 1, -1) */
4714  rt_raster_set_skews(rast2, 1, -1);
4715 
4716  rtn = rt_raster_intersects(
4717  rast1, 0,
4718  rast2, 0,
4719  &result
4720  );
4721  CU_ASSERT_EQUAL(rtn, ES_NONE);
4722  CU_ASSERT_EQUAL(result, 1);
4723 
4724  cu_free_raster(rast2);
4725  cu_free_raster(rast1);
4726 }
void rt_raster_set_skews(rt_raster raster, double skewX, double skewY)
Set skews about the X and Y axis.
Definition: rt_raster.c:168
rt_errorstate rt_band_set_nodata(rt_band band, double val, int *converted)
Set nodata value.
Definition: rt_band.c:600
rt_errorstate rt_band_get_nodata(rt_band band, double *nodata)
Get NODATA value.
Definition: rt_band.c:1597
void cu_free_raster(rt_raster raster)
rt_band cu_add_band(rt_raster raster, rt_pixtype pixtype, int hasnodata, double nodataval)
rt_errorstate rt_raster_intersects(rt_raster rast1, int nband1, rt_raster rast2, int nband2, int *intersects)
Return ES_ERROR if error occurred in function.
void rt_raster_set_scale(rt_raster raster, double scaleX, double scaleY)
Set scale in projection units.
Definition: rt_raster.c:137
void rt_raster_set_offsets(rt_raster raster, double x, double y)
Set insertion points in projection units.
Definition: rt_raster.c:199
rt_raster rt_raster_new(uint32_t width, uint32_t height)
Construct a raster with given dimensions.
Definition: rt_raster.c:48
rt_errorstate rt_band_set_pixel(rt_band band, int x, int y, double val, int *converted)
Set single pixel's value.
Definition: rt_band.c:841

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