Annotation and HotSpot - Revision history

NWE at 13:42, 13 November 2025

2025-11-13T13:42:33Z

CWI: /* Annotations {{Version/MobileSince|5.0}} */

2025-09-23T13:19:25Z

‎Annotations {{Version/MobileSince|5.0}}

CWI: /* Annotations */

2025-09-22T11:47:00Z

‎Annotations

CWI at 12:24, 18 September 2025

2025-09-18T12:24:19Z

CWI at 10:00, 18 September 2025

2025-09-18T10:00:41Z

LGE at 09:32, 18 December 2024

2024-12-18T09:32:51Z

LGE at 15:22, 25 November 2024

2024-11-25T15:22:46Z

LGE: LGE moved page HotSpotting to Annotation and HotSpot

2024-11-25T12:30:37Z

LGE moved page HotSpotting to Annotation and HotSpot

LMA at 09:53, 14 February 2023

2023-02-14T09:53:45Z

LMA at 09:53, 14 February 2023

2023-02-14T09:53:24Z

@@ Line 26: / Line 26: @@
 {{Version/XamarinSince|4.9}} We changed the way we uniquely identify annotations on the Mobile client, in order to avoid using slightly different colors for ink annotations, which proved to be problematic when you have many annotations of the same chosen color. This means, if you use the new Mobile client to view annotations created on older clients, you will not be able to select or edit them.
-[[Category:Client|Annotation and HotSpot]]
-[[Category:Mobile|Annotation and HotSpot]]
-[[Category:WinX|Annotation and HotSpot]]
 ==HotSpots==
@@ Line 51: / Line 51: @@
 ===ScanSpot===
 A scan spot is a HotSpot that scans the area it covers using OCR. So when the user moves it around a document or resizes it, it will write the recognized OCR text to its value.
 HotSpotting consists of 3 main elements, the Target, the Layer(s) and the HotSpots:
@@ Line 80: / Line 78: @@
      PageChangedCommand="{Binding DataContext.HotSpotViewModel.PageChangedCommand, ElementName=pdfBorder}" />
 </source>
 ===Merge/Flatten===

@@ Line 4: / Line 4: @@
 While HotSpotting is an abstract approach that could be applied to any kind of {{UBIK}} object, the client currently only supports displaying and interacting with HotSpots on PDF document objects.
-==Annotations {{Version/MobileSince|5.0}}==
+==Annotations==
 All annotations overlay on top of the documents. Technically speaking, they are separately stored in dedicated [[SYSCLS_ANNOTATION|ANNOTATIONS]] properties.
 When an annotation is created, the current user is remembered as the owner who is allowed to edit it afterwards.

@@ Line 4: / Line 4: @@
 While HotSpotting is an abstract approach that could be applied to any kind of {{UBIK}} object, the client currently only supports displaying and interacting with HotSpots on PDF document objects.
-==Annotations==
+==Annotations {{Version/MobileSince|5.0}}==
 All annotations overlay on top of the documents. Technically speaking, they are separately stored in dedicated [[SYSCLS_ANNOTATION|ANNOTATIONS]] properties.
 When an annotation is created, the current user is remembered as the owner who is allowed to edit it afterwards.
@@ Line 25: / Line 25: @@
 ====Can not select older annotations on Mobile client====
 {{Version/XamarinSince|4.9}} We changed the way we uniquely identify annotations on the Mobile client, in order to avoid using slightly different colors for ink annotations, which proved to be problematic when you have many annotations of the same chosen color. This means, if you use the new Mobile client to view annotations created on older clients, you will not be able to select or edit them.
 ==HotSpots==

@@ Line 23: / Line 23: @@
 We will be in contact with our PDF control provider and try to find a fix for it.
-====Can not select older annotations on Xamarin====
+====Can not select older annotations on Mobile client====
-{{Version/XamarinSince|4.9}} We changed the way we uniquely identify annotations on the Xamarin client, in order to avoid using slightly different colors for ink annotations, which proved to be problematic when you have many annotations of the same chosen color. This means, if you use the new Xamarin client to view annotations created on older clients, you will not be able to select or edit them.
+{{Version/XamarinSince|4.9}} We changed the way we uniquely identify annotations on the Mobile client, in order to avoid using slightly different colors for ink annotations, which proved to be problematic when you have many annotations of the same chosen color. This means, if you use the new Mobile client to view annotations created on older clients, you will not be able to select or edit them.
 ==HotSpots==
@@ Line 97: / Line 97: @@
 [[Category:Client|Annotation and HotSpot]]
 [[Category:Mobile|Annotation and HotSpot]]

@@ Line 98: / Line 98: @@
 [[Category:Client|Annotation and HotSpot]]
 [[Category:WinX|Annotation and HotSpot]]
-[[Category:Xamarin|Annotation and HotSpot]]
+[[Category:Mobile|Annotation and HotSpot]]

@@ Line 62: / Line 62: @@
 A HotSpot is a single data object that sits on a layer and typically has a visual representation, such as the value of a property it represents.
-==How to enable Hotspotting in the UI==
+===How to enable Hotspotting in the UI===
 In order to enable the hotspotting feature in the newest [[Version_4.0_(WinX)#4_0|4.0 release]] you have to do the following.
 Go to the UBIKDocumentArea.xaml and add the 'HotspotButtonVisibility="Visible"' line to the UBIKPdfViewer.
@@ Line 78: / Line 78: @@
 {{UnderConstructionEnd}}
 ==See also==

@@ Line 1: / Line 1: @@
-HotSpotting summarizes a general technique in {{UBIK}}, that allows to overlay data on the visual representation of other {{UBIK}} objects. The overlaid data can be of quite a variety, starting from Annotations (also known as Redlining or Inking) over Links/Cross-references between objects, to {{UBIK}} Properties in all their different possible types and appearances.
+Annotation (also known as redlining or inking) is a type of visual marking on documents. It is currently possible on PDF and image documents with the [[SYSCLS_ANNOTATION|annotation classificatioin]]. The typical types of different annotations include inking, free text, text markup and shape.
-While HotSpotting is an abstract approach that could be applied to any kind of {{UBIK}} object, the client currently only supports displaying and interacting with HotSpots on Document objects.
-==Overview==
+HotSpotting summarizes a general technique in {{UBIK}}, that allows to overlay data on the visual representation of other {{UBIK}} objects. The overlaid data can be of quite a variety, starting from annotations (also known as Redlining or Inking) over Links/Cross-references between objects, to {{UBIK}} Properties in all their different possible types and appearances.
-HotSpotting consists of 3 main elements, the Target, the Layer(s) and the HotSpots:
+While HotSpotting is an abstract approach that could be applied to any kind of {{UBIK}} object, the client currently only supports displaying and interacting with HotSpots on PDF document objects.
-===Target===
+==Annotations==
-A HotSpotting target can be basically any {{UBIK}} object that holds the classification [[SYSCLS HOTSPOT|HotSpotting target]]. In most of the use cases, this target will be [[FILEDOCUMENT|file document]] or a derivative of that class.
+All annotations overlay on top of the documents. Technically speaking, they are separately stored in dedicated [[SYSCLS_ANNOTATION|ANNOTATIONS]] properties.
-===Layer===
+===Merge/Flatten===
-A layer can be envisioned as a transparent film that is overlaid on the target and contains the actual HotSpots. Technically their can be as many layers as desired, overlaying each others.
+Annotations on a document can be merged/flattened/burnt in. After that, the annotations become a part of the document file and can be viewed in applications other than {{UBIK}} as well. However, you also lose the possibility to edit or interact with them.
-A layer covers the whole physical area of its target, i.e. the dimensions of the page of a document.
+* For image documents, it is only possible to merge annotations on the clients and it is the default behavior. But you can turn it off through the [[XAML#UBIKImageEditor|MergeAnnotationsOnSave (XAML)]] configuration.
-===HotSpot/Annotation===
+{{Hint|Since server 3.7.0 Build 15424 free text annotations support Chinese characters when flattening them into pdf.}}
-A HotSpot is a single data object that sits on a layer and typically has a visual representation, such as the value of a property it represents.
-Since 3.7.0 Build 15424 Freetext Annotations support Chinese characters when flattening them into pdf.
+===Known issues===
 ==HotSpots==
 All HotSpots have in common that they know
 * on which layer they sit
@@ Line 38: / Line 48: @@
 A scan spot is a HotSpot that scans the area it covers using OCR. So when the user moves it around a document or resizes it, it will write the recognized OCR text to its value.
-==Annotations==
+{{UnderConstructionStart}}
-An Annotation is a collection of Ink strokes that sits on a layer and typically represents redlining or additional information to a document, like a diagram or a photo.
-----
+===Target===
 ==How to enable Hotspotting in the UI==
@@ Line 60: / Line 77: @@
 </source>
 ==See also==
@@ Line 65: / Line 83: @@
 * [[SYSCLS HOTSPOT]]
 * [[HotSpotting (Plugin)]]

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