Spreadsheet Workbench/ro

Atelierul lucru pentru foi de calcul vă permite să creați și să editați foi de calcul, să efectuați calcule și să preluați date dintr-un model și să exportați datele sale în alte aplicații de calcul tabelar, cum ar fi LibreOffice sau Microsoft Excel.



Funcții Suportate
Foaia de calcul oferă următoarele funcții, luând unul sau două argumente: abs, acos, asin, atan, atan2, cos, cosh, exp, log, log10, mod, pow, sin, sinh, sqrt, tan, tanh

Funcțiile trigonometrice utilizează grade ca unitate implicită; furnizarea rad permite folosirea radiani.

Funcțiile adiționale: ceil, floor, trunc, and round sunt disponibile în FreeCAD începând cu

Următoarele funcții agregate sunt suportate: average, count, max, min, stddev, sum.

Funcțiile agregate pot lua unul sau mai multe argumente, separate prin virgulă sau punct și virgulă. Argumentele pot include intervale (două celule separate prin două puncte), de ex=average(B1:B8)

Constantele pi și e sunt predefinite.

Funcțiile if funcționează de maniera: ''= condition ? resultTrue : resultFalse''

Funcția IF este definită ca o expresie care evaluaează fie 0 (for false) sau diferit de zero pentru true. Următorii operatori de compararea sunt definiți: ==, !=, >, <, >=, and <=.

Funcția IF are de fapt un bug cu privire la declarațiile condiționale imbricate. Numai rezultatul real poate avea o altă funcție IF. Parantezele se îndepărtează după confirmarea expresiei. Încercarea de a pune o afirmație condiționată imbricată în rezultatul false are ca rezultat paranteze stabilite greșite cu un rezultat diferit după salvarea și redeschiderea documentului.

Formulas are written as follows: =A2+A3

Noteː Cell-references have to be written with capital letters.

Reference To CAD-Data
It is possible to use data from the construction in the spreadsheet. The following table shows some examples assuming the model has a feature named "Cube" (note that this is the internal name of the feature, not the user assigned Label):

Proprietățile celulei
The properties of a spreadsheet cell can be edited with a right-click on a cell. The following dialog pops up:



It has several tabs. The following properties can be changed:


 * Text color and background color
 * Text horizontal and vertical alignment
 * Text style: bold, italic, underline
 * Display unit for this cell. Please read the section below.
 * Define an alias-name for this cell. This alias-name can be used in cell formulas and also in FreeCADExpressions

The expressions are explained here: Expressions

Spreadsheet Data in Expressions
The usage of spreadsheet data in other parts of FreeCAD requires a fully defined name. Because it is possible to have more than one spreadsheet in a document, the spreadsheet name together with the cell name or alias is required. The following pictures showing the usage of an alias "number" from a spreadsheet "MySheet" in an expression in the PartDesign Workbench.

Typing an "M" shows a list of available names. The arrow-buttons allow to select "MySheet".



Typing an "n" shows now the list of available alias names in MySheet starting with "n". The "number" can be selected with the down-arrow-button. Once a valid name with a usable content is given, the result field will present the calculated length.



Unități de măsură
The Spreadsheet uses units. If a number has a unit, this unit will be used in all calculations. The multiplication of two length with the unit mm gives an area with the unit mm&sup2;.

You can switch the length-unit from mm to inch in the dialog, you get with a right-click on a cell. The cell will now show the length in inches. The value used for calculations does not change. The results of a formula using this value do not change, when the shown unit of an input was changed. The result is still calculated from the length in mm.

A number without a unit cannot be changed in a number with unit by the cell properties dialog. One can put in a unit string, that will also be shown, but the cell still contains only a number without unit.

Sometime it is desirably to get rid of a unit. This can only to be done by multiplying with 1 with a reciprocal unit.

Import și export
Sheets can be imported and exported to the csv format which can also be read and written by most other spreadsheet applications such as Microsoft Excel or LibreOffice Calc. When importing files into FreeCAD, the delimiter (the character that is used to separate columns) must be the TAB character (this can be set when exporting from other applications). The import of a CSV-file is available over the menu Spreadsheet/ Import Spreadsheet or by clicking on the icon. This import function does not open Excel files or any other spreadsheet format.

Spreadsheets in Excel-format "xlsx" can be imported via the menu File/Import... into a FreeCAD document. Excel-spreadsheets can also be opened by FreeCAD by clicking in the menu File/Open... or by clicking on the icon. In this case a new document with a spreadsheet inside is created. Supported are the following features:


 * all functions that are also available in the FreeCAD spreadsheet. Other functions do give an error in the corresponding cell after the import.
 * Alias names for cells
 * More than one table in the Excel-sheet. In this case more FreeCAD spreadsheets are created.

Other functionality is not imported into the FreeCAD spreadsheet. The Excel-import is of FreeCAD.

Limitări curente
It is not possible providing data for a geometry, for example a length, in a spreadsheet and retrieving in the same spreadsheet the volume of the resulting shape. This will create a circular reference. This is a design decision. However, it is possible to use two different spreadsheets: one as data-source for geometry and another for reporting geometry-data.

It is not possible to select and copy multiple cells. Only the content of a cell from the input field can be copied and paste into the input field of another cell.

For FreeCAD earlier versions see Spreadsheet legacy