Font Selection

The AVEVA software supports both AVEVA fonts and TrueType fonts. AVEVA fonts are provided with the AVEVA product and are therefore immediately available for use. TrueType fonts are only available if they are present on each workstation running the AVEVA software and are registered in the project SYSTEM database. The installation and configuration of TrueType fonts is a system administration function. Up to 23 TrueType fonts can be registered per project. Once the TrueType fonts are properly configured and registered for the project, it is possible to use them in the Draft application, but only on picture elements that have been configured to use TrueType fonts. It is not possible to mix True Type and AVEVA fonts on the same sheet.

Elements such as SHEE, BACK, OVER, SHTMPL, SYLB, ISOLB and LALB have a system attribute TTFENA that determines whether they can accept AVEVA or TrueType fonts. TTFENA (True Type Font Enabled) is a system attribute automatically set on element-creation that cannot be changed. The rules are:

• If the value of the owner's FONT attribute is in the range reserved for AVEVA fonts, the element is marked as accepting AVEVA fonts only, (that means, TTFENA FALSE).

• If the value of the owner's FONT attribute is in the range reserved for TrueType fonts, the element is marked as accepting TrueType fonts only, (that means, TTFENA TRUE).

For example, in order to create a SHEE, that can accept TrueType fonts, it is necessary that its owner (a DRWG) has the FONT attribute set to identify a TrueType font. Then, when a new SHEE is created, it will be marked as accepting TrueType fonts.

As a result it is possible to have a DRWG containing some SHEE elements using AVEVA fonts, and other SHEE elements using TrueType fonts, (by changing the DRWG's FONT attribute between the creation of the SHEEs). Ideally, entire REGI or DEPT elements should be properly set up to use TrueType fonts, then all subsequently created members will inherit this setting.

Note: An associated backing sheet (BACK) can restrict the choice of fonts. If the backing sheet is marked as using AVEVA fonts, you cannot switch the font to TrueType. Any backing sheets (and overlay sheets too) should have compatible TTFENA attribute settings with the SHEE element with which they are associated.

Forms that previously offered the choice of a font, now can allow the selection of a TrueType font (provided that the element being modified can accept TrueType fonts).

For example, a DRWG element, that has a backing sheet reference unset, has full freedom of choice of the TTFENA attribute. Therefore, the Drawing Attributes form would appear as shown:

The Font dropdown list allows a choice of AVEVA or TrueType fonts. For example, if the *Select a TrueType font option, is selected, the TrueType font selection form is displayed.

This form allows you to choose the font, including its Bold and Italic settings.