Help with line work / alternate work bias

xrok1

here is a construction line and a parallel inference:

here is a perp. one:

Count Spatula

What if I made a grid out of construction lines whch would give me a bunch of reference points to use (and put it on its own layer)

...which brings me to a related question. Sketchup doesn't let you offset just one line. You always have to slelect two lines. I don't understand that limitaton. Is there wa way to just offset one line?

Thank you for your ideas and assisitance.

xrok1

just copy it, which is the move tool and press ctrl you will see a plus sign by the tool.
i don't think a grid would work that well unless you just want things close or everthing is an exact multiple. the whole point of inferencing is so you don't need grids.

PS construction lines don't have points.

i think someone needs a "sketchup basics" refresher.

Count Spatula

I'm self taught, with some of the Aiden Chopra vids on YouTube. I don't know much about const lines. But wouldn't the point where two construction lins cross make an inference point?

xrok1

yes

xrok1

but if you insist that you want a grid just drag one out with the "sandbox->from scratch" tool?

Gaieus

Hi Count,

Above, xrok suggested you to adjust the axes to the second floor but then you both dropped that idea. I'd still go on long this.

Have a look at the attached file where there is a separate group for a first floor and another group for the second floor rotate by 50 degrees (that was it, right?). For the second floor I adjusted the axes so they now match with the alignment of the group. Then I created two scenes. In one scene the axes are aligned with the first floor while they are aligned with the second floor in the second scene. You can even switch scenes between operations and get your axis inference different between the two scenes.

Note that in the Scene manager (Window menu) I turned off Camera location (to save with scenes) so when you switch between them, your viewpoint won't change.

0-50degrees.skp

dale

Great suggestion for use of scenes Gaieus, and solves the struggle with bias modeling.
In the past I have basically modeled the whole upper floor group with the axes normal, then rotated the whole upper floor group when complete, and dealt with features like stairs etc that affect both floors. I like your method better.

xrok1

very nice tip Gaieus, i didn't know scenes would save the axis location. thanks.

Gaieus

They save many-many things; check out the scene manager and the first quarter of this presentation (you may realise that you know all the presenters there )