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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
| """ | ||
| Name: i.pca test | ||
| Purpose: Tests i.pca. | ||
| Author: Hamed Elgizery - [email protected] | ||
| Copyright: (C) 2024 by Hamed Elgizery and the GRASS Development Team | ||
| Licence: This program is free software under the GNU General Public | ||
| License (>=v2). Read the file COPYING that comes with GRASS | ||
| for details. | ||
| """ | ||
| from grass.gunittest.case import TestCase | ||
|
|
||
|
|
||
| class TestReport(TestCase): | ||
| @classmethod | ||
| def setUpClass(cls): | ||
| """Use temporary region settings""" | ||
| cls.runModule("g.region", raster="lsat7_2002_10@PERMANENT") | ||
| cls.use_temp_region() | ||
|
|
||
| @classmethod | ||
| def tearDownClass(cls): | ||
| cls.runModule( | ||
| "g.remove", | ||
| flags="f", | ||
| type="raster", | ||
| name="lsat7_2002_pca.1,lsat7_2002_pca.2,lsat7_2002_pca.3,lsat7_2002_pca.4,lsat7_2002_pca.6", | ||
| ) | ||
| cls.del_temp_region() | ||
|
|
||
| def test_pca_sample(self): | ||
| """Testing pca sample""" | ||
| self.assertModule( | ||
| "i.pca", | ||
| input="lsat7_2002_10,lsat7_2002_20,lsat7_2002_30,lsat7_2002_40,lsat7_2002_50,lsat7_2002_70", | ||
| output="lsat7_2002_pca", | ||
| ) | ||
|
|
||
| lsat7_2002_pca_info_out = """north=228513 | ||
| south=214975.5 | ||
| east=645012 | ||
| west=629992.5 | ||
| nsres=28.5 | ||
| ewres=28.5 | ||
| rows=475 | ||
| cols=527 | ||
| cells=250325 | ||
| datatype=CELL | ||
| ncats=0 | ||
| comments=\"Eigen values, (vectors), and [percent importance]:PC1 4334.35 ( 0.2824, 0.3342, 0.5092,-0.0087, 0.5264, 0.5217) [83.04%]PC2 588.31 ( 0.2541, 0.1885, 0.2923,-0.7428,-0.5110,-0.0403) [11.27%]PC3 239.22 ( 0.3801, 0.3819, 0.2681, 0.6238,-0.4000,-0.2980) [ 4.58%]PC4 32.85 ( 0.1752,-0.0191,-0.4053, 0.1593,-0.4435, 0.7632) [ 0.63%]PC5 20.73 (-0.6170,-0.2514, 0.6059, 0.1734,-0.3235, 0.2330) [ 0.40%]PC6 4.08 (-0.5475, 0.8021,-0.2282,-0.0607,-0.0208, 0.0252) [ 0.08%]i.pca input=\"lsat7_2002_10,lsat7_2002_20,lsat7_2002_30,lsat7_2002_40\,lsat7_2002_50,lsat7_2002_70\" output=\"lsat7_2002_pca\" rescale=0,255 \percent=99" """ | ||
|
|
||
| lsat7_2002_pca_univar_out = [ | ||
| """n=250325 | ||
| null_cells=0 | ||
| cells=250325 | ||
| min=0 | ||
| max=255 | ||
| range=255 | ||
| mean=60.6958074503146 | ||
| mean_of_abs=60.6958074503146 | ||
| stddev=32.8850846003739 | ||
| variance=1081.42878917375 | ||
| coeff_var=54.1801583697417 | ||
| sum=15193678 | ||
| first_quartile=36 | ||
| median=51 | ||
| third_quartile=77 | ||
| percentile_90=101""", | ||
| """n=250325 | ||
| null_cells=0 | ||
| cells=250325 | ||
| min=0 | ||
| max=255 | ||
| range=255 | ||
| mean=106.099418755618 | ||
| mean_of_abs=106.099418755618 | ||
| stddev=26.4487056926998 | ||
| variance=699.534032819051 | ||
| coeff_var=24.928228639612 | ||
| sum=26559337 | ||
| first_quartile=88 | ||
| median=104 | ||
| third_quartile=121 | ||
| percentile_90=137""", | ||
| """n=250325 | ||
| null_cells=0 | ||
| cells=250325 | ||
| min=0 | ||
| max=255 | ||
| range=255 | ||
| mean=74.1768980325577 | ||
| mean_of_abs=74.1768980325577 | ||
| stddev=14.1956266450161 | ||
| variance=201.515815844691 | ||
| coeff_var=19.1375307158104 | ||
| sum=18568332 | ||
| first_quartile=67 | ||
| median=74 | ||
| third_quartile=81 | ||
| percentile_90=88""", | ||
| """n=250325 | ||
| null_cells=0 | ||
| cells=250325 | ||
| min=0 | ||
| max=255 | ||
| range=255 | ||
| mean=113.285145311096 | ||
| mean_of_abs=113.285145311096 | ||
| stddev=10.689092045444 | ||
| variance=114.256688755974 | ||
| coeff_var=9.43556369733241 | ||
| sum=28358104 | ||
| first_quartile=109 | ||
| median=114 | ||
| third_quartile=118 | ||
| percentile_90=122""", | ||
| """n=250325 | ||
| null_cells=0 | ||
| cells=250325 | ||
| min=0 | ||
| max=255 | ||
| range=255 | ||
| mean=110.346713272745 | ||
| mean_of_abs=110.346713272745 | ||
| stddev=8.43087149474902 | ||
| variance=71.0795941609716 | ||
| coeff_var=7.64034672596938 | ||
| sum=27622541 | ||
| first_quartile=106 | ||
| median=110 | ||
| third_quartile=114 | ||
| percentile_90=118""", | ||
| """n=250325 | ||
| null_cells=0 | ||
| cells=250325 | ||
| min=0 | ||
| max=255 | ||
| range=255 | ||
| mean=115.238465994208 | ||
| mean_of_abs=115.238465994208 | ||
| stddev=8.97064489504434 | ||
| variance=80.4724698329851 | ||
| coeff_var=7.78441887233665 | ||
| sum=28847069 | ||
| first_quartile=110 | ||
| median=115 | ||
| third_quartile=121 | ||
| percentile_90=126""", | ||
| ] | ||
|
|
||
| for i in range(1, 7): | ||
| # Asserting the results givien from r.info | ||
| self.assertRasterFitsInfo( | ||
| raster=f"lsat7_2002_pca.{i}", | ||
| reference=lsat7_2002_pca_info_out, | ||
| precision=3, | ||
| ) | ||
|
|
||
| # Asserting the results givien from r.univar | ||
| univar_out = lsat7_2002_pca_univar_out[i - 1] | ||
| self.assertModuleKeyValue( | ||
| "r.univar", | ||
| flags="eg", | ||
| map=f"lsat7_2002_pca.{i}", | ||
| reference=univar_out, | ||
| precision=3, | ||
| sep="=", | ||
| ) | ||
|
|
||
|
|
||
| if __name__ == "__main__": | ||
| from grass.gunittest.main import test | ||
|
|
||
| test() |
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