Update README.md

README.md

@@ -614,95 +614,171 @@ Almost all design templates use English.
 Each instance has scalar attributes (canvas) and sequence attributes (elements). Categorical values are stored as integer values. Check `ClassLabel` features of the dataset for the list of categorical labels.
 
 ```
-{'id': '5bd1c85078e1194aa6186300',
- 'length': 11,
- 'group': 4,
- 'format': 10,
- 'canvas_width': 40,
- 'canvas_height': 41,
- 'category': 1,
- 'type': [3, 3, 3, 3, 3, 3, 4, 1, 4, 4, 3],
- 'left': [0.8712766170501709,
-  0.42127659916877747,
-  0.14468085765838623,
-  0.8585106134414673,
-  0.8819149136543274,
-  0.043617021292448044,
-  0.30696335434913635,
-  0.0010638297535479069,
-  0.7409376502037048,
-  0.4813956916332245,
-  0.30744680762290955],
- 'top': [0.0,
-  0.0,
-  0.874365508556366,
-  0.6967005133628845,
-  0.6967005133628845,
-  0.9060913920402527,
-  0.8984156250953674,
-  0.113832488656044,
-  0.434346079826355,
-  0.14983975887298584,
-  0.05710659921169281],
- 'width': [0.12989361584186554,
-  0.2329787164926529,
-  0.42127659916877747,
-  0.0010638297535479069,
-  0.0010638297535479069,
-  0.20425531268119812,
-  0.2213829755783081,
-  0.5641489624977112,
-  0.2148936241865158,
-  0.2951063811779022,
-  0.6446808576583862],
- 'height': [1.0,
-  0.5164974331855774,
-  0.06598984450101852,
-  0.24365481734275818,
-  0.24365481734275818,
-  0.0012690355069935322,
-  0.026649747043848038,
-  0.7272842526435852,
-  0.2753807008266449,
-  0.2842639684677124,
-  0.7271573543548584],
- 'opacity': [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
+{'id': '59528b4e95a7a863ddcdf902',
+ 'length': 14,
+ 'group': 5,
+ 'format': 49,
+ 'canvas_width': 11,
+ 'canvas_height': 34,
+ 'category': 14,
+ 'type': [1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4],
+ 'left': [0.0002478847454767674,
+  0.0,
+  0.0,
+  0.03125,
+  0.05624999850988388,
+  0.30000001192092896,
+  0.16875000298023224,
+  0.18125000596046448,
+  0.5625,
+  0.3375000059604645,
+  0.25623849034309387,
+  0.41874998807907104,
+  0.19995903968811035,
+  0.36250001192092896],
+ 'top': [0.00042101924191229045,
+  0.0,
+  -0.0016666667070239782,
+  0.008333333767950535,
+  0.014999999664723873,
+  0.5633333325386047,
+  0.4816666543483734,
+  0.4116666615009308,
+  0.3883333206176758,
+  0.3883333206176758,
+  0.512499988079071,
+  0.4833333194255829,
+  0.4350000023841858,
+  0.3933333456516266],
+ 'width': [0.9999237656593323,
+  0.9937499761581421,
+  1.0,
+  0.9375,
+  0.8812500238418579,
+  0.4000000059604645,
+  0.65625,
+  0.637499988079071,
+  0.09375,
+  0.10000000149011612,
+  0.6084214448928833,
+  0.29374998807907104,
+  0.7160975337028503,
+  0.28125],
+ 'height': [1.0023325681686401,
+  0.9983333349227905,
+  1.0,
+  0.9833333492279053,
+  0.9683333039283752,
+  0.0416666679084301,
+  0.04333333298563957,
+  0.029999999329447746,
+  0.029999999329447746,
+  0.029999999329447746,
+  0.05166666582226753,
+  0.021666666492819786,
+  0.05166666582226753,
+  0.018333332613110542],
+ 'opacity': [1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0],
  'text': ['',
   '',
   '',
   '',
   '',
   '',
-  'Powerful Ways',
   '',
-  '11',
-  'Powerful Ways\nTo Take Care\nOf  Your Skin\nIn Summer',
-  ''],
- 'font': [0, 0, 0, 0, 0, 0, 24, 0, 24, 189, 0],
+  '',
+  '',
+  '',
+  'Nature',
+  'with',
+  'friends',
+  'Make'],
+ 'font': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 182, 31, 31],
  'font_size': [0.0,
   0.0,
   0.0,
   0.0,
   0.0,
   0.0,
-  21.504981994628906,
   0.0,
-  217.0,
-  43.18538284301758,
+  0.0,
+  0.0,
+  0.0,
+  31.71994972229004,
+  13.0,
+  31.644691467285156,
+  11.0],
+ 'text_align': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 1],
+ 'angle': [0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
   0.0],
- 'text_align': [0, 0, 0, 0, 0, 0, 2, 0, 2, 2, 0],
- 'angle': [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
- 'color': [[236.0, 96.0, 104.0],
-  [236.0, 96.0, 104.0],
-  [29.0, 29.0, 27.0],
-  [29.0, 29.0, 27.0],
-  [29.0, 29.0, 27.0],
-  [29.0, 29.0, 27.0],
-  [0.0, 0.0, 1.0],
-  [228.0, 148.0, 151.0],
-  [0.0, 0.0, 1.0],
-  [0.0, 0.0, 1.0],
-  [29.0, 29.0, 27.0]],
+ 'capitalize': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ 'line_height': [1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0,
+  1.0],
+ 'letter_spacing': [0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  0.0,
+  2.0,
+  0.0,
+  2.0,
+  1.0],
+ 'color': [[35.0, 80.0, 60.0],
+  [255.0, 255.0, 255.0],
+  [35.0, 31.0, 32.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0],
+  [255.0, 255.0, 255.0]],
  'image': [<PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
   <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
   <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
@@ -713,42 +789,48 @@ Each instance has scalar attributes (canvas) and sequence attributes (elements).
   <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
   <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
   <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
+  <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
+  <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
+  <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>,
   <PIL.PngImagePlugin.PngImageFile image mode=RGBA size=256x256>]}
 ```
 
 ### Data Fields
 
-In the following, categorical fields are shown as `string` type, but the actual storage is `int64`.
+In the following, categorical fields are shown as `categorical` type, but the actual storage is `int64`.
 
 **Context features (Canvas attributes)**
 
-| Field         | Type   | Shape | Description                                                    |
-| ------------- | ------ | ----- | -------------------------------------------------------------- |
-| id            | string | ()    | Template ID from crello.com                                    |
-| group         | string | ()    | Broad design group, such as social media posts or blog headers |
-| format        | string | ()    | Detailed design format, such as Instagram post or postcard     |
-| category      | string | ()    | Topic category of the design, such as holiday celebration      |
-| canvas_width  | string | ()    | Canvas pixel width                                             |
-| canvas_height | string | ()    | Canvas pixel height                                            |
-| length        | int64  | ()    | Length of sequence features                                    |
+| Field         | Type        | Shape | Description                                                    |
+| ------------- | ----------- | ----- | -------------------------------------------------------------- |
+| id            | string      | ()    | Template ID from crello.com                                    |
+| group         | categorical | ()    | Broad design group, such as social media posts or blog headers |
+| format        | categorical | ()    | Detailed design format, such as Instagram post or postcard     |
+| category      | categorical | ()    | Topic category of the design, such as holiday celebration      |
+| canvas_width  | categorical | ()    | Canvas pixel width                                             |
+| canvas_height | categorical | ()    | Canvas pixel height                                            |
+| length        | int64       | ()    | Length of sequence features                                    |
 
 **Sequence features (Element attributes)**
 
-| Field       | Type    | Shape | Description                                                          |
-| ----------- | ------- | ----- | -------------------------------------------------------------------- |
-| type        | string  | ()    | Element type, such as vector shape, image, or text                   |
-| left        | float32 | ()    | Element left position normalized to [0, 1] range w.r.t. canvas_width |
-| top         | float32 | ()    | Element top position normalized to [0, 1] range w.r.t. canvas_height |
-| width       | float32 | ()    | Element width normalized to [0, 1] range w.r.t. canvas_width         |
-| height      | float32 | ()    | Element height normalized to [0, 1] range w.r.t. canvas_height       |
-| color       | int64   | (3,)  | Extracted main RGB color of the element                              |
-| opacity     | float32 | ()    | Opacity in [0, 1] range                                              |
-| image_bytes | string  | ()    | Pre-rendered 256x256 preview of the element encoded in PNG format    |
-| text        | string  | ()    | Text content in UTF-8 encoding for text element                      |
-| font        | string  | ()    | Font family name for text element                                    |
-| font_size   | float32 | ()    | Font size (height) in pixels                                         |
-| text_align  | string  | ()    | Horizontal text alignment, left, center, right for text element      |
-| angle       | float32 | ()    | Element rotation angle (radian) w.r.t. the center of the element     |
+| Field          | Type        | Shape | Description                                                          |
+| -------------- | ----------- | ----- | -------------------------------------------------------------------- |
+| type           | categorical | ()    | Element type, such as vector shape, image, or text                   |
+| left           | float32     | ()    | Element left position normalized to [0, 1] range w.r.t. canvas_width |
+| top            | float32     | ()    | Element top position normalized to [0, 1] range w.r.t. canvas_height |
+| width          | float32     | ()    | Element width normalized to [0, 1] range w.r.t. canvas_width         |
+| height         | float32     | ()    | Element height normalized to [0, 1] range w.r.t. canvas_height       |
+| color          | int64       | (3,)  | Extracted main RGB color of the element                              |
+| opacity        | float32     | ()    | Opacity in [0, 1] range                                              |
+| image_bytes    | image       | ()    | Pre-rendered 256x256 preview of the element encoded in PNG format    |
+| text           | string      | ()    | Text content in UTF-8 encoding for text element                      |
+| font           | categorical | ()    | Font family name for text element                                    |
+| font_size      | float32     | ()    | Font size (height) in pixels                                         |
+| text_align     | categorical | ()    | Horizontal text alignment, left, center, right for text element      |
+| angle          | float32     | ()    | Element rotation angle (radian) w.r.t. the center of the element     |
+| capitalize     | categorical | ()    | Binary flag to capitalize letters                                    |
+| line_height    | float32     | ()    | Scaling parameter to line height, default is 1.0                     |
+| letter_spacing | float32     | ()    | Adjustment parameter for letter spacing, default is 0.0              |
 
 Note that the color and pre-rendered images do not necessarily accurately reproduce the original design templates. The original template is accessible at the following URL if still available.
 
@@ -841,10 +923,11 @@ We do not re-distribute the original files as we are not allowed by terms.
 - Improve text rendering quality.
 - Change split generation criteria: no compatibility with v2 splits.
 - Incorporate a motion picture thumbnail in templates.
+- Add `capitalize`, `line_height`, and `letter_spacing` sequence attributes.
 
 2.0: v2 release (May 26, 2022)
 
-- Adds `text`, `font`, `font_size`, `text_align`, and `angle` sequence attributes.
+- Add `text`, `font`, `font_size`, `text_align`, and `angle` sequence attributes.
 - Include rendered text element in `image_bytes`.
 
 1.0: v1 release (Aug 24, 2021)