Rename g.bads to i.band.library and i.band to r.semantic.label (#1983)

According to a proposal by PSC:
https://trac.osgeo.org/grass/wiki/PSC/Minutes/PSC_Meeting_20211112

Related to #1868 and #1928

.flake8

@@ -196,7 +196,7 @@ per-file-ignores =
     scripts/r.in.wms/wms_cap_parsers.py: F841, E741, E501
     scripts/r.in.wms/wms_drv.py: E402, E722, E501
     scripts/r.in.wms/srs.py: E722, E501
-    scripts/i.band/i.band.py: F841, E501
+    scripts/r.semantic.label/r.semantic.label.py: F841, E501
     scripts/v.report/v.report.py: F841, E501
     scripts/db.out.ogr/db.out.ogr.py: F841
     scripts/g.extension/g.extension.py: F841, E722, E501

python/grass/semantic_label/reader.py

@@ -23,7 +23,7 @@ class SemanticLabelReader:
 
     def __init__(self):
         self._json_files = glob.glob(
-            os.path.join(os.environ["GISBASE"], "etc", "g.bands", "*.json")
+            os.path.join(os.environ["GISBASE"], "etc", "i.band.library", "*.json")
         )
         if not self._json_files:
             raise SemanticLabelReaderError("No semantic label definitions found")

scripts/Makefile

@@ -18,14 +18,13 @@ SUBDIRS = \
 	db.out.ogr \
 	db.test \
 	db.univar \
-	g.bands \
 	g.download.location \
 	g.extension \
 	g.extension.all \
 	g.manual \
 	g.search.modules \
+	i.band.library \
 	i.colors.enhance \
-	i.band \
 	i.image.mosaic \
 	i.in.spotvgt \
 	i.oif \
@@ -50,6 +49,7 @@ SUBDIRS = \
 	r.plane \
 	r.reclass.area \
 	r.rgb \
+	r.semantic.label \
 	r.shade \
 	r.tileset \
 	r.unpack \

scripts/g.bands/Makefile

@@ -1,6 +1,6 @@
 MODULE_TOPDIR = ../..
 
-PGM = g.bands
+PGM = i.band.library
 
 # TODO: unfortunately Script.make assumes that ETCFILES are Python
 # modules only, this should be improved (by introducing a new variable

scripts/g.bands/g.bands.html

@@ -1,6 +1,6 @@
 <h2>DESCRIPTION</h2>
 
-<em>g.bands</em> prints available band references information of multispectral data
+<em>i.band.library</em> prints available band information of multispectral data
 defined by GRASS GIS. The following multispectral sensors are supported
 by default (other band reference registry files can be added, see below):
 
@@ -75,19 +75,27 @@ fully defined band reference identifier) which can be specified
 by <b>pattern</b> option. For pattern syntax
 see <a href="https://docs.python.org/3/library/re.html#regular-expression-syntax">Python
 regular expression operations</a> documentation. By
-default, <em>g.bands</em> prints all available band references.
+default, <em>i.band.library</em> prints all available band references.
 
 <p>
 Extended metadata (central wavelength, spatial resolution, etc.) is printed
 only when the <b>-e</b> flag is given.
 
-<h2>NOTES</h2>
+<h2>Band reference and semantic label relation</h2>
+
+<p>
+Band references are a special case (a subset) of semantic labels.
+Any string can be a semantic label but strings identifying specific
+remote sensing platform bands (=band references)
+can have additional metadata managed by <em>i.band.library</em>.
+Specific band reference can be assigned to a raster map as a semantic
+label by <em><a href="r.semantic.label.html">r.semantic.label</a></em>
+or <em><a href="r.support.html">r.support</a></em> modules.
 
-Specific band reference can be assigned to a raster map
-by <em><a href="i.band.html">i.band</a></em> module.
+<h2>NOTES</h2>
 
 <p>
-Band reference concept is supported by temporal GRASS modules,
+Semantic label concept is supported by temporal GRASS modules,
 see <em><a href="t.register.html#support-for-band-references">t.register</a></em>,
 <em><a href="t.rast.list.html#filtering-the-result-by-band-references">t.rast.list</a></em>,
 <em><a href="t.info.html#space-time-dataset-with-band-references-assigned">t.info</a></em>
@@ -102,7 +110,7 @@ multi band data. It is used in many frameworks
 Earth Engine API</a> for example) to address multi spectral satellite
 images series. GRASS supports a multi-band raster layer approach
 basically with the imagery group concept
-(<em><a href="i.group.html">i.group</a></em>). A new band reference
+(<em><a href="i.group.html">i.group</a></em>). A new semantic label
 concept is designed in order to support image collections in GRASS
 GIS.
 
@@ -169,8 +177,8 @@ identifier.
 
 <p>
 System-defined registry files are located in GRASS GIS installation
-directory (<tt>$GISBASE/etc/g.bands</tt>). Note that
-currently <i>g.bands</i> allows to manage only system-defined registry
+directory (<tt>$GISBASE/etc/i.band.library</tt>). Note that
+currently <i>i.band.library</i> allows to manage only system-defined registry
 files. Support for user-defined registry files is planned to be
 implemented, see <a href="#known-issues">KNOWN ISSUES</a> section for
 details.
@@ -180,7 +188,7 @@ details.
 <h3>Print all available band references</h3>
 
 <div class="code"><pre>
-g.bands
+i.band.library
 
 S2_1 Visible (Coastal/Aerosol)
 S2_2 Visible (Blue)
@@ -201,7 +209,7 @@ Only band identifiers related to Sentinel-2 satellite will be
 printed.
 
 <div class="code"><pre>
-g.bands pattern=S2
+i.band.library pattern=S2
 
 S2_1 Visible (Coastal/Aerosol)
 ...
@@ -213,7 +221,7 @@ S2_12 SWIR 2
 Print all available 2nd bands:
 
 <div class="code"><pre>
-g.bands pattern=.*_2
+i.band.library pattern=.*_2
 
 S2_2 Visible (Blue)
 L7_2 Visible (Green)
@@ -227,7 +235,7 @@ Extended metadata related to the first band of Sentinel-2 satellite
 will be printed.
 
 <div class="code"><pre>
-g.bands -e pattern=S2_1
+i.band.library -e pattern=S2_1
 
 description: The Sentinel-2 A/B bands
 shortcut: S2
@@ -247,7 +255,7 @@ source: https://sentinel.esa.int/web/sentinel/missions/sentinel-2
 
 <h2>KNOWN ISSUES</h2>
 
-<em>g.bands</em> has currently <b>very limited functionality</b>. Only
+<em>i.band.library</em> has currently <b>very limited functionality</b>. Only
 system-defined band references are supported. The final implementation
 will support managing (add, modify, delete) user-defined band
 references.
@@ -266,7 +274,7 @@ will be improved in the near future.
 <h2>SEE ALSO</h2>
 
 <em>
-  <a href="i.band.html">i.band</a>,
+  <a href="r.semantic.label.html">r.semantic.label</a>,
   <a href="r.info.html">r.info</a>
 </em>
 

scripts/g.bands/g.bands.py

@@ -2,7 +2,7 @@
 
 ############################################################################
 #
-# MODULE:       g.bands
+# MODULE:       i.band.library
 # AUTHOR(S):    Martin Landa <landa.martin gmail com>
 #
 # PURPOSE:      Prints available semantic label information used for multispectral data.

scripts/g.bands/testsuite/test_g_bands.py

@@ -8,12 +8,12 @@ from grass.gunittest.gmodules import call_module
 class TestBandsSystemDefined(TestCase):
     @staticmethod
     def _number_of_bands(**kwargs):
-        gbands = call_module("g.bands", **kwargs)
+        gbands = call_module("i.band.library", **kwargs)
         return len(gbands.rstrip(os.linesep).split(os.linesep))
 
     def test_number_system_defined(self):
         """Test number of valid band identifiers"""
-        # get number of valid band identifiers by g.bands
+        # get number of valid band identifiers by i.band.library
         nbands = self._number_of_bands()
 
         # get number of valid band identifiers by Bands lib

scripts/i.band/Makefile

@@ -1,6 +1,6 @@
 MODULE_TOPDIR = ../..
 
-PGM = i.band
+PGM = r.semantic.label
 
 include $(MODULE_TOPDIR)/include/Make/Script.make
 

scripts/i.band/i.band.html

@@ -1,6 +1,6 @@
 <h2>DESCRIPTION</h2>
 
-<em>i.band</em> allows assigning a semantic label information to a
+<em>r.semantic.label</em> allows assigning a semantic label information to a
 single raster map or to a list of specified raster maps. Semantic
 label can be defined by <b>semantic_label</b> option. Already assigned semantic
 label can be removed from a specified raster map
@@ -19,7 +19,7 @@ Note that <i>only raster maps from the current mapsets</i> can be modified.
 <p>
 For more information about semantic label concept and supported sensors
 (generic multispectral system, Landsat-5, Landsat-7, Landsat-8, Sentinel-2)
-see the <em><a href="g.bands.html">g.bands</a></em> module.
+see the <em><a href="i.band.library.html">i.band.library</a></em> module.
 
 <p>
 Semantic labels are supported by temporal GRASS modules. Name of
@@ -36,48 +36,48 @@ modules for examples.
 <h3>Assign semantic label to a single raster map</h3>
 
 <div class="code"><pre>
-i.band map=T33UVR_20180506T100031_B01 semantic_label=S2_1
+r.semantic.label map=T33UVR_20180506T100031_B01 semantic_label=S2_1
 </pre></div>
 
 <h3>Assign semantic label to a list of raster maps</h3>
 
 <div class="code"><pre>
-i.band map=T33UVR_20180506T100031_B01,T33UVR_20180521T100029_B01 semantic_label=S2_1,S2_1
+r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180521T100029_B01 semantic_label=S2_1,S2_1
 </pre></div>
 
 <h3>Assign different semantic labels to a list of raster maps</h3>
 
 <div class="code"><pre>
-i.band map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 semantic_label=S2_1,S2_2
+r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 semantic_label=S2_1,S2_2
 </pre></div>
 
 <h3>Remove semantic label from a list of raster maps</h3>
 
 <div class="code"><pre>
-i.band map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 operation=remove
+r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 operation=remove
 </pre></div>
 
 <h3>Print semantic label information about single raster map</h3>
 
 <div class="code"><pre>
-i.band map=T33UVR_20180506T100031_B01 operation=print
+r.semantic.label map=T33UVR_20180506T100031_B01 operation=print
 </pre></div>
 
 <h3>Print extended semantic label information for a list of raster map</h3>
 
 <div class="code"><pre>
-i.band map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 operation=print
+r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 operation=print
 </pre></div>
 
 <h2>KNOWN ISSUES</h2>
 
-<em>i.band</em> allows managing semantic labels only related to 2D
+<em>r.semantic.label</em> allows managing semantic labels only related to 2D
 raster maps.
 
 <h2>SEE ALSO</h2>
 
 <em>
-  <a href="g.bands.html">g.bands</a>,
+  <a href="i.band.library.html">i.band.library</a>,
   <a href="r.info.html">r.info</a>,
   <a href="r.support">r.support</a>
 </em>

scripts/i.band/i.band.py

@@ -2,7 +2,7 @@
 
 ############################################################################
 #
-# MODULE:       i.band
+# MODULE:       r.semantic.label
 # AUTHOR(S):    Martin Landa <landa.martin gmail com>
 #
 # PURPOSE:      Manages semantic label information assigned to a single

scripts/i.band/testsuite/test_i_band.py

@@ -33,13 +33,13 @@ class TestSemanticLabelsSystemDefined(TestCase):
             self.mapset.name = "PERMANENT"
             a_map = self.mapset.glist(type="raster")[0]
             module = SimpleModule(
-                "i.band", map=a_map, semantic_label=self.semantic_label
+                "r.semantic.label", map=a_map, semantic_label=self.semantic_label
             )
             self.assertModuleFail(module)
 
     def test_semantic_label_assign(self):
         module = SimpleModule(
-            "i.band", map=self.map, semantic_label=self.semantic_label
+            "r.semantic.label", map=self.map, semantic_label=self.semantic_label
         )
         self.assertModule(module)
 
@@ -47,7 +47,7 @@ class TestSemanticLabelsSystemDefined(TestCase):
         self.assertEqual(self.read_semantic_label(), self.semantic_label)
 
     def test_semantic_label_dissociate(self):
-        module = SimpleModule("i.band", operation="remove", map=self.map)
+        module = SimpleModule("r.semantic.label", operation="remove", map=self.map)
         self.assertModule(module)
 
         # check also using pygrass

temporal/t.info/t.info.html

@@ -140,7 +140,7 @@ t.info input=2009_01_tempmean type=raster
 <h3>Space time dataset with semantic labels assigned</h3>
 
 This information is printed only when semantic labels have been assigned
-to registered raster maps by <em><a href="i.band.html">i.band</a></em>
+to registered raster maps by <em><a href="r.semantic.label.html">r.semantic.label</a></em>
 or <em><a href="t.register.html#support-for-semantic-labels">t.register</a></em> module.
 
 <div class="code"><pre>

temporal/t.rast.list/t.rast.list.html

@@ -187,7 +187,7 @@ vector dataset <a href="t.vect.list.html#using-method-option">t.vect.list</a>
 <h3>Filtering the result by semantic label</h3>
 
 Semantic label can be assigned to raster maps
-by <em><a href="i.band.html">i.band</a></em> module or even when
+by <em><a href="r.semantic.label.html">r.semantic.label</a></em> module or even when
 registrating raster maps into STRDS
 by <em><a href="t.register.html#support-for-semantic-labels">t.register</a></em>.
 
@@ -206,7 +206,7 @@ modules</i>.
 
 <p>
 Also note that only STRDS can be filtered by semantic label,
-see <em><a href="i.band.html#known-issues">i.band</a></em> for
+see <em><a href="r.semantic.label.html#known-issues">r.semantic.label</a></em> for
 current limitations.
 
 

temporal/t.rast.mapcalc/t.rast.mapcalc.html

@@ -165,7 +165,7 @@ t.rast.mapcalc inputs=test.S2_8,test.S2_4 output=ndvi basename=ndvi \
 </pre></div>
 
 For more information about semantic label concept
-see <em><a href="g.bands.html">g.bands</a></em> module.
+see <em><a href="i.band.library.html">i.band.library</a></em> module.
 
 <h2>SEE ALSO</h2>
 

temporal/t.register/t.register.html

@@ -116,7 +116,7 @@ prec_6|2002-04-01|2002-07-01
 <h3>Support for semantic labels</h3>
 
 For more information about semantic labels and image collections
-see <em><a href="g.bands.html">g.bands</a></em> module.
+see <em><a href="i.band.library.html">i.band.library</a></em> module.
 
 <p>
 Specification of map names and absolute start time (datetime) of the time
@@ -139,7 +139,7 @@ T33UYP_20190331T094039_B09|2019-03-31 09:40:39|S2_9
 
 In this case <em>t.register</em> assigns to given raster maps
 a semantic label similarly as
-<em><a href="i.band.html">i.band</a></em> does.
+<em><a href="r.semantic.label.html">r.semantic.label</a></em> does.
 
 Such registered raster maps is possible
 to <a href="t.rast.list.html#filtering-the-result-by-semantic-label">filter

temporal/t.upgrade/t.upgrade.html

@@ -3,7 +3,7 @@
 This module upgrades the temporal database in the current mapset
 from version 2 (default in GRASS 7) to 3 (default in GRASS 8).
 The version 3 introduces a semantic label support, see
-<em><a href="g.bands.html">g.bands</a></em> for details.
+<em><a href="i.band.library.html">i.band.library</a></em> for details.
 
 <h2>EXAMPLE</h2>