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Found_Image [2018/05/06 23:47]
peternlewis [Specifying Fields in Found Image Actions]
Found_Image [2019/07/08 01:02]
peternlewis
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-{{:​condition:​image-icon.png?​nolink|}} 
 ====== Found Image ====== ====== Found Image ======
  
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 There are various actions ([[action:​Move or Click Mouse|Move or Click Mouse]], [[action:​Find Image on Screen|Find Image on Screen]], [[condition:​Found Image|conditions]] and [[collection:​Found Images|collections]] that search the screen for a matching image. There are various actions ([[action:​Move or Click Mouse|Move or Click Mouse]], [[action:​Find Image on Screen|Find Image on Screen]], [[condition:​Found Image|conditions]] and [[collection:​Found Images|collections]] that search the screen for a matching image.
  
-**ExampleClick on Found Image**\\ +===== Example Click on Found Image =====
-This is how the Action appears when first inserted into your macro.{{:​click-found-image-action-initial-setup-km-7.3.png?​nolink|}}+
  
 +This is how the Action appears when first inserted into your macro.
  
 +{{ action:​clickatfoundimagedescription.png?​nolink&​611x290 | Click at Found Image Description }}
  
 ===== How To Use ===== ===== How To Use =====
 +
 ==== Specifying Fields in Found Image Actions ==== ==== Specifying Fields in Found Image Actions ====
  
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       * To view the image in the image well, click on it and press <​key>​SPACE</​key>​.       * To view the image in the image well, click on it and press <​key>​SPACE</​key>​.
       * You can copy the image from the Image Well.       * You can copy the image from the Image Well.
 +      * Alternatively (v9.0+), you can get the image to search from the System Clipboard, Trigger Clipboard, a Named Clipboard, a file, or from an image elsewhere on the screen.
  
 - **Specify the amount of fuzziness allowed** - **Specify the amount of fuzziness allowed**
         * Because of transparency and anti-aliasing almost all screen matches are fuzzy to some degree.         * Because of transparency and anti-aliasing almost all screen matches are fuzzy to some degree.
         * But usually about 20% is a good place to start.         * But usually about 20% is a good place to start.
-- **//Must be Unique// ​Checkbox** +- **//​Unique// ​Menu** 
-        * If //checked//then the image must be the only image in the specified areaor the //​Action// ​will fail. +        * By default, the image must be unique on the screen so that Keyboard Maestro knows where to clickotherwise ​the action ​will fail. 
-        * If //not checked//then best one of the images ​(based on an internal algorithm) will be selected. ​ If there are multiple similarly good matches then it is unpredictable which one will be used.+        * Alternativelyyou can have Keyboard Maestro click based on the best match, or (v9.0+) click on the topmost, leftmost, bottommost, or rightmost match.
 - **//​Display//​ Checkbox -- If //​checked//,​ it will highlight on the screen all found matches** - **//​Display//​ Checkbox -- If //​checked//,​ it will highlight on the screen all found matches**
         * This can be helpful in debugging, like determining the right amount of fuzz to use.         * This can be helpful in debugging, like determining the right amount of fuzz to use.
         * It will also show when an image is being found in more than one location.         * It will also show when an image is being found in more than one location.
 - **Choose Where to Search for Image** - **Choose Where to Search for Image**
-  * All screens+  * You can search in all screens, or on a specific ​screen. 
-  * Main screen. +  * Alternatively,​ you can search within a specific ​window. 
-  * Specified screen (counting from the left). +  * Or you can search within ​specific ​area on the screen.
-  * Front window. +
-  * Window with specified title. +
-  * Window with a title containing a given string. +
-  * Window with a title matching a given regular expression. +
-  * Specified window (counting from the frontmost window). +
-  * Specified ​area on the screen.+
     * For instructions on how to get data for area, see [Determine Location of Area to Search for Found Image](https://​forum.keyboardmaestro.com/​t/​using-mouse-display-window-to-get-window-specific-locations/​7112/​9)     * For instructions on how to get data for area, see [Determine Location of Area to Search for Found Image](https://​forum.keyboardmaestro.com/​t/​using-mouse-display-window-to-get-window-specific-locations/​7112/​9)
  
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 Remember when specifying the area, as with all [numeric fields](:​Text_Fields),​ the numbers can be calculations including [functions](:​Functions),​ and the fields expand to allow for longer expressions as soon as you type something other than a number, so this allows very precise control of where you can match. Remember when specifying the area, as with all [numeric fields](:​Text_Fields),​ the numbers can be calculations including [functions](:​Functions),​ and the fields expand to allow for longer expressions as soon as you type something other than a number, so this allows very precise control of where you can match.
  
-**Example: Click on Image in Area Relative to Front Window**{{:​click-found-image-action-km-7.3.png?​nolink|}}+ 
 +{{ action:​click-found-image-action-example.png?nolink&​503x407 ​Click at Found Image Example ​}}
  
 ===== Search Speed and Accuracy ===== ===== Search Speed and Accuracy =====
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 Keyboard Maestro uses a relatively fast search to make the action perform in a reasonable amount of time, but it can result in not finding some images.  ​ Keyboard Maestro uses a relatively fast search to make the action perform in a reasonable amount of time, but it can result in not finding some images.  ​
   * Images Difficult to Match   * Images Difficult to Match
-      * The most difficult images to match are small grey images (like icons or text).+      * The most difficult images to match are small grey images (like grey icons or text).
       * Since the screen tends to be filled with small grey areas, it is hard for Keyboard Maestro to find the best locations to look.       * Since the screen tends to be filled with small grey areas, it is hard for Keyboard Maestro to find the best locations to look.
   * Increasing Search Accuracy   * Increasing Search Accuracy
-      * Set Search Area to less than a quarter of the whole desktop +      * Set Search Area to less than a quarter of the whole desktop. 
-      * This will improve ability to find smaller images that have low contrast+      * This will improve ability to find smaller images that have low contrast.
  
 ===== Testing ===== ===== Testing =====
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 When testing found image macros: When testing found image macros:
  
-ALWAYS hide the Keyboard Maestro editor ​– as the image in the found image action may be found too under some circumstances+Hide the action or the Keyboard Maestro editor as the image within ​the action may be found. 
-ALWAYS turn ON the “Display” checkmark, so you get visual confirmation an image has been found. +Turn on the “Display” checkmark, so you get visual confirmation an image has been found. 
-* If the image is NOT found ALWAYS ​play with the fuzz slider. +* If the image is not foundplay with the fuzz slider. 
-* It's generally a good idea to initially test on the main monitor in the front window.+
Found_Image.txt · Last modified: 2019/07/08 01:02 by peternlewis