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• ### Is it possible to create visibilities using the COM interface?

Yes, it is possible to create visibilities via the COM interface (RF‑COM3 / RS‑COM6). In the following code, the elements are first selected for a visibility. This is done via Selections. First, activate them with "rfEnableSelections," then you can use "rfSelectObjects" to select the objects:

Sub set_visibility() ' get interface from the opened model and lock the licence/programDim iModel As RFEM3.IrfStructure3Set iModel = GetObject(, "RFEM3.Structure")iModel.rfGetApplication.rfLockLicence On Error GoTo e ' get interface for modeldataDim iModdata As RFEM3.IrfStructuralData4Set iModdata = iModel.rfGetStructuralData iModdata.rfEnableSelections True iModdata.rfSelectObjects STR_MEMBER, "1-2"'iModdata.rfSelectObjects STR_MEMBERS_SET, "1"'iModdata.rfSelectObjects STR_NODE_SUPPORT, "1" ' get interface for viewDim iView As RFEM3.IrfView2Set iView = iModel.rfGetActiveView iView.rfSetPartialView "test|view"'iView.rfSelectPartialView "test|view", PVM_SHOW, True, True e: If Err.Number <> 0 Then MsgBox Err.description, , Err.Source iModel.rfGetApplication.rfUnlockLicenceSet iModel = NothingEnd Sub

You can use the "iView" interface and the "rfSetPartialView" command to create a visibility. The description is especially important here. The separator "|" ensures that the visibility with the "view" name is created in the "test" group.

In the code, you can find further alternative commented commands. Please note the "rfSelectPartialView" command, which allows you to activate the visibility. This visibility is then displayed, for example, directly in RFEM (PVM_SHOW), depending on the set command.

• ### How can I change the font color of the guideline numbering?

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The font color of the numbering of guidelines can be changed in Display Properties:

Right-click the workspace → Display Properties → Fonts → Other → Guidelines → "Font" button → Change Color, see the figure.

• ### How can I change the display of the arrows for punching loads in RF‑PUNCH Pro?

This adjustment of the arrow sizes of punching loads can be done in the display properties in the main program: Shortcut menu (right-click the workspace) → Display Properties → Loads → Nodal Loads → Nodal Forces, see the figure.

• ### How can I graphically display the effective lengths of members?

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The effective length of a member can be adjusted manually in the "Effective Lengths" tab of the "Edit Member" dialog box (see Figure 01).

Then, you can graphically display the members in color according to the effective length:
Click the "Display" navigator → "Colors in Graphic According to" → "Effective Length Factor" (see Figure 02).

• ### How can I change the colors of user-defined visibilities for a screen and a printout report?

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The colors of user-defined visibilities for the screen can be set in the panel. To do this, double-click the entry in the panel that you want to modify, and open the "Color" dialog box where you can select the desired color (Figure 01). The settings in the panel only affect the screen and not the printout report.

The color of user-defined visibilities can also be set in the display properties. You can open the dialog box by using the menu "Options" → "Display Properties" → "Edit" or the shortcut menu. The color setting for user-defined visibilities can be set separately for the screen and the printout report in the "Objects by Color" → "User-defined Visibilities" category (Figure 02).

Under the link below, you find the explanation of how to make identical settings for the screen and the printout report.

The video shows you how to change the color of the visibility "E‑05" for the screen in the panel. Then, it shows how to change the color of the visibility "E‑05" for the printout report.

• ### How can I change the colors of member hinges for a screen or a printout report?

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You can change the color of member hinges in the display properties under "Model Data" → "Hinges" → "Member Hinges," see Figure 01.

• ### What setting should I make to display all local extreme values of member internal forces in my structure, not just an extreme value of the entire model?

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To display all local extreme values, deactivate the "Extreme Values" option in the Display navigator under "Results" → "Members," see Figure 01.

• ### My panel has suddenly disappeared. How can I restore it?

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The panel may have been placed in the background. You can easily deactivate this function (see the figure).

However, it is also possible that the panel has been accidentally docked at the bottom of the screen (below the table). The video shows how you can dock the panel to any edge of the screen again with just a few clicks.

• ### Why is a node that I have selected not displayed?

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If all other nodes are displayed, the visibility mode is probably activated. Deactivate it using the toolbar or the menu bar, see Figure 01.

• ### How can I quickly find all members that rest parallel to each other?

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The most efficient way to select the members lying parallel to each other is to use the "Special Selection" function, see Figure 01.

Then, you can activate the visibility by selected objects.

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#### First Steps

We provide hints and tips to help you get started with the main programs RFEM and RSTAB.

#### Wind Simulation & Wind Load Generation

With the stand-alone program RWIND Simulation, wind flows around simple or complex structures can be simulated by means of a digital wind tunnel.

The generated wind loads acting on these objects can be imported to RFEM or RSTAB.

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