Excel多网格F值位置计数求和与自动化更新技术咨询

Hey Scott, great question! This is a common scenario when working with repeated grid datasets, and Excel has some solid tools to handle both the counting and automation parts. Let’s break this down step by step:

First, make sure all your individual grids follow the same structure: same number of rows and columns (e.g., 5x5, 10x10). The easiest way to manage this is to put each grid on its own worksheet, and name them consistently—like Grid-1, Grid-2, Grid-3, etc. This makes it way easier to reference them later.

If you prefer keeping everything on one sheet, you can block out identical-sized regions for each grid (e.g., A1:E5 for Grid1, G1:K5 for Grid2) but separate worksheets are cleaner for automation.

Create a new worksheet named SummaryGrid—this will be your final dataset for the contour plot. Each cell here will count how many times "F" appears in the same position across all your raw grids.

Option 1: No Macros (Excel 365/2021+) #

This uses dynamic arrays to auto-update and avoid manual formula filling:

1. First, make a helper sheet named SheetList. In column A, list the names of all your raw grid worksheets (e.g., Grid-1, Grid-2). When you add a new grid, just add its name to this list.
2. In SummaryGrid cell A1, paste this formula (adjust SEQUENCE(5) to match your grid's row/column count—e.g., SEQUENCE(10) for 10 rows):

   =BYROW(SEQUENCE(5), LAMBDA(r, 
     BYCOL(SEQUENCE(5), LAMBDA(c, 
       SUMPRODUCT(COUNTIF(INDIRECT(SheetList!$A:$A&"!R"&r&"C"&c, FALSE), "F"))
     ))
   ))
   

This formula will automatically spill to fill the entire summary grid. Any time you add a new grid name to SheetList, it’ll instantly include that grid in the count.

Option 2: Compatible with Older Excel Versions #

If you’re not on Excel 365/2021, use this formula in SummaryGrid cell A1, then drag it across and down to fill your entire grid:

=SUMPRODUCT(COUNTIF(INDIRECT(SheetList!$A$1:$A$100&"!A1"), "F"))

Just adjust $A$1:$A$100 to cover all the grid names in your SheetList, and update the A1 reference in the INDIRECT part as you drag (Excel will do this automatically if you use relative references correctly).

To make sure new grids get included without manual work:

• Stick to the consistent naming convention for your raw grid worksheets (e.g., always start with Grid-).
• If you used the SheetList helper, just add the new worksheet name to column A—no other changes needed.
• For a fully hands-off approach (Excel 365 only), you can replace the SheetList with a dynamic name that auto-detects new grids:
  1. Go to Formulas > Define Name. Name it AllGrids, then enter this formula in the "Refers to" box:

     =FILTER(GET.WORKBOOK(1), NOT(ISNUMBER(SEARCH("SummaryGrid", GET.WORKBOOK(1)))))
     

  2. Then update the SummaryGrid formula to use AllGrids instead of SheetList!$A:$A:

     =BYROW(SEQUENCE(5), LAMBDA(r, 
       BYCOL(SEQUENCE(5), LAMBDA(c, 
         SUMPRODUCT(COUNTIF(INDIRECT(TEXTBEFORE(AllGrids, "]")&"!R"&r&"C"&c, FALSE), "F"))
       ))
     ))
     

Note: GET.WORKBOOK is a macro-compatible function, so you’ll need to save your file as .xlsm (Macro-Enabled Workbook) for this to work.

Once your SummaryGrid is populated with counts, it’s ready for plotting:

1. Select the entire range of numerical values in SummaryGrid.
2. Go to Insert > Charts > Surface Charts > Contour.
3. Excel will generate a contour map based on your count data. You can tweak the style, add labels, or adjust the contour levels via the Chart Design and Format tabs to get exactly what you need.

Quick Notes to Avoid Headaches #

• Double-check that all raw grids have the exact same dimensions—if one is missing a row/column, the count will be off.
• If your raw grids have other characters besides "F" and blanks, don’t worry—COUNTIF only counts cells that match "F" exactly.

内容的提问来源于stack exchange，提问作者Scott