blocks become skewed or text doesn’t translate. We have found that Autocad sometimes distorts our own information in a flattening process – e.g. This option can be ticked off if you wish to work to elevations.įlattening a surveyor’s drawing is a ‘black-box’ type process where it is difficult to know if any information has been lost or distorted. The result of this is that you can work around 3D drawings but be safe in the knowledge that the resulting lines are in a 2D plane. when working in plan, it ignores the z-axis, when working in elevation it ignores another axis. In the McNeel Software, Rhinoceros, there is a simple tick box called ‘Project’ that ignores the invisible orthographic axis when working in a view – e.g. In my opinion, all the information is there in the surveyor’s drawing – we just need to use it in 2D.
In the past, we have used the ‘flatten’ command to remove this information but I do not think that this is the correct solution nor a long-term solution. We often receive files from surveyors with the elevation information built in place – spot heights, contours, etc. I have a question regarding flattening drawings and using this with surveys.
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