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Modeling
About Archicad's design tools, element connections, modeling concepts, etc.
2021-04-1902:16 PM - last edited on 2023-05-0903:44 PM by Rubia Torres
2021-04-1902:16 PM
Ok folks,
Hopefully somebody can help me find a solution to this.
I have an angled corner that I am trying to create. Unfortunately, whichever way I approach drawing this, the end solution is not perfect. If I draw the walls using straight walls, then gaps are left in the wall face. If I use a polygonal wall to achieve the desired corner structure, then the 3d texture for the corner piece is out of alignment with the adjacent walls. See the 2d and 3d views for the outcomes. The first three are drawn using straight walls and the final one (on the right) is drawn using a polygonal wall for the corner piece. You can see the texture is out of alignment.
Could somebody please explain why a) using straight walls I end up with gaps in the face of the wall, or b) how I can align the 3d texture of the polygonal wall piece to match the texture of the adjacent walls? I have no idea where the 3d texture origin for the adjacent walls (and reset of the model) actually is.
I see you have a short wall length at the internal corner, so if the corner is formed with three walls there shouldn’t be a connection problem providing the reference lines are consistent e.g. placed to the outside face. I have used complex profile columns for corners in the past, but by the looks of things That shouldn’t be necessary in this case.
The reference lines all meet. Please see the attached screen grab for confirmation. I switched the true line weight off for clarity. I honestly have no idea why this is happening. I have tried everything. Yes, a complex profile column works, but then I cannot have different materials internally and externally (Only top/bottom and sides). Thanks for the 3d texture alignment link, but this does not say how to align the texture to match the adjacent texture. How can I identify the 3d texture origin of an adjacent material so that I can set my new origin (for the corner piece) to that?
I have uploaded a video of me drawing the corner piece (highlighting the issue) to youtube:
griggadee wrote: but then I cannot have different materials internally and externally
In the Profile Editor you can select individual edges and set their surface. This does mean that you cannot really use the Column edge override as it will override even the ones you have individually modified.
Does the same issue occur if you change to an external reference line?
I see no reason why that shouldn't work - in fact I tried and the wall trim fine.
Reference lines all on the inside or outside both work fine.
All I can think of is you have other walls in layers that have been turned off.
These can affect how the walls trim even when the layer is off.
Turn all layers on and see what you have there.
Barry.
One of the forum moderators. Versions 6.5 to 27 i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10 Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
griggadee wrote:
Thanks for the 3d texture alignment link, but this does not say how to align the texture to match the adjacent texture. How can I identify the 3d texture origin of an adjacent material so that I can set my new origin (for the corner piece) to that?
You can't line up to another texture (other than by guessing), but you can line up to a known node - such as a bottom of a wall.
The trick is to make sure all the surface textures line up with the same point.
You can do this individually, or select more than one element and align them all at the same time to the same point.
Barry.
One of the forum moderators. Versions 6.5 to 27 i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10 Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
griggadee wrote: but then I cannot have different materials internally and externally
In the Profile Editor you can select individual edges and set their surface. This does mean that you cannot really use the Column edge override as it will override even the ones you have individually modified.
Does the same issue occur if you change to an external reference line?
Ling.
Thanks Ling. I was not aware I could select individual edges and allocate specific materials to them in the profile manager. Could you point me in the direction of an explanation of how to do this please? I can't seem to figure it out!
Barry wrote:
I see no reason why that shouldn't work - in fact I tried and the wall trim fine.
Reference lines all on the inside or outside both work fine.
All I can think of is you have other walls in layers that have been turned off.
These can affect how the walls trim even when the layer is off.
Turn all layers on and see what you have there.
Barry.
Thanks Barry. All layers are turned on and there are no walls under, over or near these walls affecting them in any way. It's very strange to say the least!
In terms of reference lines, having the reference line on the inside of the wall creates the problem. Having the reference line on the outside of the wall overcomes the problem. Whilst this appears to be a good thing, this of course is not a workable solution, because the entire model, across 4-storeys, is drawn with the reference line on the inside, and therefore I would have to redraw the entire perimeter on each floor just to suit that one problematic section, which is just not practical.
I created another video showing the different results for internal and external reference lines and also discovered another piece of the puzzle. It seems that wall thickness is what is causing the issue! The proposed wall is 480mm thick. When drawn at this thickness, the corner issue appears. If I reduce the wall thickness down to 350mm, the corner appears just fine! How utterly strange! Maybe you can test drawing the wall to the dimensions shown in the print screen under and see what results you get? Here is the video:
griggadee wrote:
Thanks for the 3d texture alignment link, but this does not say how to align the texture to match the adjacent texture. How can I identify the 3d texture origin of an adjacent material so that I can set my new origin (for the corner piece) to that?
You can't line up to another texture (other than by guessing), but you can line up to a known node - such as a bottom of a wall.
The trick is to make sure all the surface textures line up with the same point.
You can do this individually, or select more than one element and align them all at the same time to the same point.
Barry.
Thanks Barry. Do you happen to know if there is a default origin for projects? It's strange how all of the materials line up to the exact same default origin, yet any new complex wall profiles seem to be referenced to a totally different origin point and even resetting this texture does nothing. It's not like I even chose an origin point originally. It's just whatever was set by the programme.
