Can someone explain what CANNOSCALE does exactly. I am a longtime Civil3D/LDD/Eagle Point/Wild/ACAD user. Linetype dash lengths are based on the drawing units of the space (model or paper) in which the objects were created. Setting PSLTSCALE to 1 will cause the linetype display to translate over to paper space drawing units. All my dotted lines have their own linetype scales set to 1. The lines look fine on paper space, in model they are dashed but the lines are to close together so it almost looks solid. If you intend to plot that same drawing from Paper Space you will have to set the line-type scale back to 1 to get the line types to appear correctly. Setting MSLTSCALE to 0 (Off) is the default setting and will behave as Autocad always has. ... will have different linetype scales in each view.-LTSCALE is global so linetype scale would only be ideal for viewports at one drawing scale when PSLTSCALE=0. Civil3D ships with these two variables set to opposite values. drawing lines in paperspace, the linetypes now display at a scale of 20 x to 50 x times what they used to display. The annoying thins that people get annoyed with is that when they jump back into Model Space, the linetype look tiny. This is a reasonably new (Since 2007), but extremely useful variable. If you intend to plot that same drawing from Paper Space, you will have to set the line-type scale back to 1 to get the line types to appear correctly. I create a layer and set the linetype to hidden. This is because Auto- CAD faithfully scales line types to the current unit system. Is there something I'm missing. So even if you have different viewports, with different magnifications - the linetypes will display the same. CANNOSCALE doesn't seem to do anything, it just zooms my drawing out a little bit in paper space. I have noticed the functionality of dimension scaling in viewports has changed with BricsCAD 16. Paper Space Linetype Scale. If PSLTSCALE is set to 0, all linetypes use the global setting of LTSCALE. Like Paper space line type scaling, Model Space Line Type Scaling only has two options. Can linetypes have their own scale in model space like dimensions can? All linetypes are continuous in model space, but correct in paper space. Cant find the problem, just patch it by setting object linetype scale to 0.05 or something. Doing this will not affect how the paper space linetype appears. I want to draw at a 1:1 scale so I add that annotation so it is 1" paper inch = 1 drawing inch in model space. Remember that Paper Space units differ from Model Space units. Set them both to one and presto, years of frustration gone. -check Use paper space units for scaling (PSLTSCALE=1)-set Global scale factor to 1.0 (LTSCALE=1)-then linetypes will use the same (reasonable) linetype scale for all drawing scales. If this is the case, simple use the REGEN (or RE ) command while in Models Space to make the linetype look correct in Model Space. I missed the boat on the annotative scaling, focusing on labels and styles of objects. I want both the lines in model space and in layout space to show up as the same dash-dot scale in layout (printed) space, so I am forced to use SetLinetypeScale to 1, and Print Display is set to show linetypes. I draw a line on that layer and it shows it as continuous line and not hidden. This is because AutoCAD.faithfully scales line types to the current unit system Remember that Paper Space units differ from Model Space units. When you plot from paper space, set the PSLTSCALE system variable to 1 to plot all linetype patterns consistently between viewports regardless of scale. We use Viewports in all of our drawings as well with different scales. 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