Draft some more stuff.

src/atlas.md

@@ -81,6 +81,8 @@ such files are the non-altered/original atlases or within a given directory unde
 In the second case, atlases are altered,
 derived or applied and thus multiple use cases have to be distinguished as indicated further below.
 
+{{ MACROS___make_filename_template("atlas", suffixes=["dseg", "probseg", "mask"]) }}
+
 ### Representing an atlas as a dataset
 
 The first option refers to atlases that were not altered, for example,

src/schema/rules/files/atlas/atlas.yaml

@@ -1,12 +1,57 @@
 ---
-atlas:
+volumetric:
   suffixes:
     - dseg
     - probseg
     - mask
   extensions:
-    - .nii.gz
     - .nii
+    - .nii.gz
+    - .tsv
+    - .json
+  entities:
+    atlas: required
+    space: optional
+    resolution: optional
+    description: optional
+
+surface:
+  suffixes:
+    - dseg
+    - probseg
+    - mask
+  extensions:
+    - .label.gii
+    - .label.gii.gz
+    - .tsv
+    - .json
+  entities:
+    atlas: required
+    space: optional
+    density: optional
+    description: optional
+
+cifti_probseg:
+  suffixes:
+    - probseg
+  extensions:
+    - .dscalar.nii
+    - .tsv
+    - .json
+  entities:
+    atlas: required
+    space: optional
+    resolution: optional
+    density: optional
+    description: optional
+
+cifti_dseg:
+  suffixes:
+    - dseg
+    - mask
+  extensions:
+    - .dlabel.nii
+    - .tsv
     - .json
   entities:
     atlas: required

tools/schemacode/bidsschematools/render/text.py

@@ -248,7 +248,7 @@ def make_filename_template(
 
     Parameters
     ----------
-    dstype : "raw" or "deriv"
+    dstype : "raw" or "deriv" or "atlas"
         The type of files being rendered; determines if rules are found in rules.files.raw
         or rules.files.deriv
     schema : dict