This is a compiled list of DWG export problems. Hopefully this list will see some of these issues ironed out in subsequent releases. If you have any further issues that you think should be listed or comments on how some of these issues have effected your productively please post them.
1. Elements that have used the linework tool on certain category families do not get exported.
2. When the linework tool is used on an underlay to show the roof and the underlay is turned off, in the resulting export the roof hatch is typically exported also...
3. White, no pattern fills created in annotation families or any family for that matter export to AutoCAD and print as solid black making the annotations unreadable. FIXED
4. Elements in sub-categories are not exported to their subcategories even though they have been mapped to a seperate layer in the export layers file. THIS ISSUE HAS BEEN RESOLVED WITH A LATER BUILD OF REVIT. ELEMENTS ARE STILL EXPORTED TO THEIR CATEGORY LAYER AS BLOCKS, HOWEVER PARTS OF THESE BLOCKS CAN BE TURNED OFF USING THE SUBCATEGORIES. FIXED
5. Crop Region translations when exporting sheets directly correspond to those in Revit. The issue being is that an AutoCAD viewport crops text and annotations where is Revits doesn't...
6. When Override host layers is enabled for walls etc, the resulting export places these lines using an unpredictable color which doesn't correspond with the export layers file. Typically Color 10 or Color 50 so these need to be assigned in your CTB file.
7. Dimension and text should create new styles upon export rather than using the STANDARD style as this creates issues with older versions of AutoCAD commonly used by clients and consultants.
8. When loaded generic models are used as an in-place floor when a callout of them is exported the entire floor comes across in the result export. This is an issue as if the setting is used to export out to a single sheet often this floor then overlaps the other details on the sheet making them appear incorrectly.
9. Linetype translations are still unpredictable. Often the linetypes used in revit don't translate through into the export. A solid line is the result. For instance overrides applied using a filter to select specific wall types to display in a particular manner.
10. The penultimate would be for an exported titleblock to export with attributes created for the parameters. Some of our clients have database systems they use for managing drawings (checking in and out etc) that link with these attributes. As the various consultants do not currently use Revit the only deliverables are DWG and DWF/PDF. As such these resultant exports need to be perfect and useable in order to work appropriately within a system such as this.
11. Text leaders somtimes get exported with an uncontrollable overridden color. Color 10 or Color 50...
Feel free to add comments
Saturday, May 20, 2006
Tuesday, May 16, 2006
Revit 9 Filters Explained
Filters are a very powerful new tool available in Revit 9.
They give you the ability to control the visibility of any group of elements you define. Including their line colour, line style, and lineweight as well as whether that particular group of elements is visible.
They give the user the ability to control elements in way where previously mistreating worksets was the only method. Personally I still feel the need to control elements with worksets sometimes.
Before I begin with a quick tutorial, filters cannot be used on annotation elements such as section markers (unfortunately...)
Being by going to your visibility settings for the view you wish to add a filter.
Click on the filter tab.
Click Filters down the bottom.
Click New, to add a new filter.
Name it accordingly. Best to use something descriptive so you'll be able to use it again in another view at a later stage.
Select which element categories you'd like it to filter through... You can select multiple or single categories.
Select filter by... This enables you to filter from all the shared and project parameters available for these elements.
Then select the way you want to filter it (contains, equals etc)
Then type in the condition you require. (you can repeat this to set multiple conditions in a single filter)
Now insert this filter into the view.
Now all elements matching this criteria can be manipulated independently, either by turning them off, giving them a different line style (for example fire rated walls or structural walls...)
You can also access you filters through you settings menu.
They give you the ability to control the visibility of any group of elements you define. Including their line colour, line style, and lineweight as well as whether that particular group of elements is visible.
They give the user the ability to control elements in way where previously mistreating worksets was the only method. Personally I still feel the need to control elements with worksets sometimes.
Before I begin with a quick tutorial, filters cannot be used on annotation elements such as section markers (unfortunately...)
Being by going to your visibility settings for the view you wish to add a filter.
Click on the filter tab.
Click Filters down the bottom.
Click New, to add a new filter.
Name it accordingly. Best to use something descriptive so you'll be able to use it again in another view at a later stage.
Select which element categories you'd like it to filter through... You can select multiple or single categories.
Select filter by... This enables you to filter from all the shared and project parameters available for these elements.
Then select the way you want to filter it (contains, equals etc)
Then type in the condition you require. (you can repeat this to set multiple conditions in a single filter)
Now insert this filter into the view.
Now all elements matching this criteria can be manipulated independently, either by turning them off, giving them a different line style (for example fire rated walls or structural walls...)
You can also access you filters through you settings menu.
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