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editing_tap_event_translation_max_threshold [2019/01/29 19:06] (current)
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 +====== Editing Tap Event Translation Max Threshold ======
  
 +The "​translation_max"​ attribute of the "<​point>"​ tag defines the maximum allowable movement of a touch point in a single processing frame. ​
 +
 +In the example below translation_max="​2"​ is used to set a translation threshold on the "​n-hold"​ gesture. This means that ANY touch point that moves more than 2 pixels in a single processing frame will not meet the matching criteria and therefor cannot be part of the HOLD gesture.
 +
 +<​code:​csharp linenums:​1>​
 +<Gesture id="​n-hold"​ type="​hold">​
 +    <​match>​
 +        <​action>​
 +            <​initial>​
 +                <point event_duration_min="​500"​ translation_max="​2"/>​
 +                <cluster point_number="​0"​ point_number_min="​1"​ point_number_max="​5"/>​
 +            </​initial>​
 +        </​action>​
 +    </​match> ​      
 +    <​analysis>​
 +        <​algorithm>​
 +            <library module="​hold"/>​
 +            <​returns>​
 +                <​property id="​hold_x"​ result="​x"/>​
 +                <​property id="​hold_y"​ result="​y"/>​
 +                <​property id="​hold_n"​ result="​n"/>​
 +            </​returns>​
 +        </​algorithm>​
 +    </​analysis> ​   ​
 +    <​mapping>​
 +        <update dispatch_type="​discrete"​ dispatch_reset="​cluster_remove">​
 +            <​gesture_event ​ type="​hold">​
 +                <​property ref="​hold_x"/>​
 +                <​property ref="​hold_y"/>​
 +                <​property ref="​hold_n"/>​
 +            </​gesture_event>​
 +        </​update>​
 +    </​mapping>​
 +</​Gesture>​
 +</​code>​
editing_tap_event_translation_max_threshold.txt · Last modified: 2019/01/29 19:06 (external edit)