{"id":24617,"date":"2023-07-31T10:27:18","date_gmt":"2023-07-31T10:27:18","guid":{"rendered":"https:\/\/archiframe.fi\/?page_id=24617"},"modified":"2023-07-31T10:27:19","modified_gmt":"2023-07-31T10:27:19","slug":"using-collision-detection-with-archiframe","status":"publish","type":"page","link":"https:\/\/archiframe.fi\/en\/using-collision-detection-with-archiframe\/","title":{"rendered":"Using Collision Detection with ArchiFrame"},"content":{"rendered":"\n

Transcript for the video \u201cUsing Collision Detection with ArchiFrame\u201d<\/strong><\/h2>\n\n\n\n


(00:00) In this video, we will look at how ArchiCAD\u2019s collision detection tool can help your ArchiFrame design process. This tool was first introduced in ArchiCAD 21. It can help you find collisions between ArchiFrame planks and other objects such as plumbing pipes.<\/p>\n\n\n\n

(00:19) First let\u2019s look at finding collisions between ArchiFrame planks. I\u2019ll open the 3D window and set a layer combination where only framing is visible. Exterior cladding and weatherboards cause lots of collisions which are not problematic, so we don\u2019t want to include those in our analysis.<\/p>\n\n\n\n

(00:42) Then I\u2019ll open the Design menu and select \u201cCollision Detection\u2026\u201d. In the window that opens up, the two groups refer to groups of objects that collide with each other.  I want to check the collisions between all the 3D objects visible in my current view, so I\u2019ll set the collision criteria to 3D Types for each group.<\/p>\n\n\n\n

(01:07) Then I\u2019ll set the Volume Tolerance to 0,0001 cubic meters. This means that objects that intersect by at least 1 deciliter will be counted as colliding. The smallest possible tolerance that you can have is determined by the unit settings in your project preferences. If your volume units are cubic meters and you only have one decimal set for the accuracy, you won\u2019t be able to set the Volume Tolerance of the Collision Detection below 0,1 cubic meters either. So make sure that your volume and perhaps area units have enough decimals before checking collisions.<\/p>\n\n\n\n

(01:49) Then I\u2019ll press \u201cCheck\u201d. This opens a window telling me I have 3 collisions. The Markup Tools window also opens up, showing a list of all the collisions. By clicking the eye next to the collision, the colliding pieces will be highlighted in the 3D window. Double clicking the collision opens up a floor plan view zooming in on the collision in question. Here, it is easy to fix the collision by moving one of the planks.<\/p>\n\n\n\n

(02:22) Then I\u2019ll just go back to the 3D view and make sure that the wall stud I moved doesn\u2019t collide with the window header. I\u2019ll use the header to make a groove in the stud.<\/p>\n\n\n\n

(02:41) Let\u2019s have a look at another collision in the second floor. In this case, one of the roof rafters is colliding with the ridge beam because I had not made grooves in the rafters. I\u2019ll fix this by making the grooves.<\/p>\n\n\n\n

(03:06) Next, let\u2019s briefly look at how you can use collision detection to find intersections between ArchiFrame objects and ArchiCAD objects. I\u2019ve added some ArchiCAD pipe objects in the project, visible in yellow and located on the \u201cMEP \u2013 Plumbing\u201d layer.<\/p>\n\n\n\n

(03:24) I\u2019ll open the collision detection again. This time, I\u2019ll change the criteria for Group 2 to include \u201cObjects\u201d on the layer \u201cMEP- Plumbing\u201d. I\u2019ll set the tolerance to the smallest possible value, and then I\u2019ll click \u201cCheck\u201d.<\/p>\n\n\n\n

(03:52) As you can see, no collisions were found. This is because my pipe object is very thin so even with the small tolerance, there is not a big enough collision between the pipe and the plank. I\u2019ll therefore open the collision detection dialog again and check the \u201cCheck for Surface Collision\u201d box. I\u2019ll set the surface tolerance to 0,0001.<\/p>\n\n\n\n

(04:26) Now ArchiCAD found the collisions between the pipe and the planks, and we could then use the ArchiFrame drill tool to fix those collisions by drilling holes in the planks.<\/p>\n\n\n\n

(04:52) After the collision has been fixed, I can go back to the markup tools and remove it from the list.<\/p>\n","protected":false},"excerpt":{"rendered":"

Transcript for the video \u201cUsing Collision Detection with ArchiFrame\u201d (00:00) In this video, we will look at how ArchiCAD\u2019s collision detection tool can help your ArchiFrame design process. 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