Dear Alessandro, The emergency lighting feature according to the EN1838 standard is only implemented in DIALux 4. Therefore, we would recommend you to use DIALux 4.13 instead of evo, when planning an emergency calculation. The emergency lighting is currently in the specification phase with various s...

Dear Enneka, It is not possible to show x orientation. We will forward your suggestion to our product owner. They will discuss your issue intensively and add your wish to our improvement list for future evo versions. Up to now, we are not able to tell you a date for implementation. Best regards, DIA...

Dear jason,

Please send us a problematic project file and some explaining screenshots of the problem with a link to this thread for an analysis to the mail address 'Support@dial.de'


Best regards,
Your DIAL Support Team

Dear Lukas,

Please check the following calculation settings in our DIALux evo software. These could cause the problem:

Best regards
Your DIAL Support Team

Dear AJK, The formula describes the number of calculation points on a grid according to the standard. The calculation grid and the working planes use this formula as long as the number or spacing of the points is not changed by the user. Adaptive surfaces do not use this formula. Adaptive vertical i...

Dear Lukas, Unfortunately there is no workaround for finding the luminaires without room construction. It gives no other ways to reduce the calculation time than by using IFC files that are not too complex. In most cases, it is not due to any PC components that the calculation is slow or cannot be p...

Dear aref_seraji2000,

Would you just like to have false colors displayed on the ceiling?

You only have to click on the function “Results on surface” and choose the ceiling. Then you can choose the false colors for the ceiling.


Best regards,
Your DIAL Support Team

Dear Lukas,

You should be able to delete this luminaire like any other luminaire. I just managed it without any problems.
If this problem still exists, please send us the project file and some explanatory screenshots for an analysis to 'Support@dial.de'


Best regards,
Your DIAL Support Team

Dear Dr mohamed hegab,

Nice job!


Bets regards,
Your DIAL Support Team

Dear Sun, The visual task area is always assigned to the room because it always creates or adapts a background area. The background area adapts to the geometry of the room, which is why an area of the visual task always needs a room and is assigned to it. Then often the argument comes up that the ge...