Merge pull request 'docs(va): in-report screenshots for the mapping and the banner' (#30) from docs/va-in-report-images into main

Reviewed-on: #30

docs/visual-analytics.md

@@ -50,7 +50,7 @@ VA pushes a JSON payload to the iframe via `window.postMessage` whenever the sel
 
 If VA sends an empty / unmatched message the editor falls back to the unfiltered view but stays in VA mode.
 
-The applied filter is shown above the grid, so what the report did to the editor is visible without touching it.  In the report below, two report parameters - `SOME_DROPDOWN` and `SOME_DATE` - reach one Data Controller object, and the editor shows both the combined filter and the single row it matches:
+In the report below, two report parameters - `SOME_DROPDOWN` and `SOME_DATE` - reach one Data Controller object, and the editor shows both the combined filter and the rows it matches:
 
 ![A value and a date parameter filtering the embedded editor](img/va-report-filters.png)
 
@@ -73,7 +73,7 @@ Repeat the parameter to add mappings.  A report with two tabs, each holding its
 | Tab 1 | `...?embed=va&va_parmap=REGION_TAB1-REGION` |
 | Tab 2 | `...?embed=va&va_parmap=REGION_TAB2-REGION` |
 
-The applied filter is visible in the editor, above the grid - here the parameter `DROPDOWN_TAB1` filtering `SOME_DROPDOWN`, which is not its name:
+The applied filter is visible in the editor, above the grid - here the parameter `DROPDOWN_TAB1` filtering `SOME_DROPDOWN`, which is not its name (the date parameter beside it is name-matched, which is the default):
 
 ![A va_parmap mapping filtering a column](img/va-parmap-filtered.png)
 
@@ -120,11 +120,7 @@ A mapping can resolve the parameter value through a **named date anchor** before
 https://yourserver/DC/#/editor/<library>/<table>?embed=va&va_parmap=SELECTED_DATE-D_DATE:ADD(QUARTER_START,-1)
 ```
 
-A report that sends `SELECTED_DATE = 27FEB1961` then filters `D_DATE` on 1961-02-27 **and** 1960-10-01 - the selected date, plus the same point one quarter earlier:
+A report that sends `SELECTED_DATE = 27FEB1961` then filters `D_DATE` on 1961-02-27 **and** 1960-10-01 - the selected date, plus the same point one quarter earlier.
-
-In the screenshot below the mapping is `SELECTED_DATE-SOME_DATE:ADD(QUARTER_START,-1)` against the demo table, and the parameter sends 27FEB1961:
-
-![A date anchor applied to the filter](img/va-parmap-transform.png)
 
 The clause carries both values, so the row for the selected date and the row for the previous quarter are both included.
 
@@ -184,9 +180,11 @@ The mapping lives entirely in the URL of the report object, so the job is to get
     FILTER : ( ( REGION = 'Europe' ) )
     ```
 
-    A date parameter arrives as a display date and is rendered as a SAS date literal, the same as a date filter built inside Data Controller - `'12FEB1960'd` below, over the row it matches:
+    A date parameter arrives as a display date and is rendered as a SAS date literal, the same as a date filter built inside Data Controller:
 
-    ![A date parameter rendered as a SAS date literal](img/va-report-filter-line.png)
+    ```text
+    FILTER : ( ( SOME_DROPDOWN = 'Option 1' AND SOME_DATE BETWEEN '01JAN1960'd AND '31MAR1960'd ) )
+    ```
 
     Something wrong shows the banner instead, with the cause and the fix - see [When a mapping cannot be used](#when-a-mapping-cannot-be-used) above.