So I have a set of construction drawings for a project I want to insert into my rhino file. These drawings do not have a graphic scale, instead they just have normal architecture scales like 1:150, 1:200, etc. How can I get these files (raster images (the originals are vector format but I want them to be raster in my model)) into my rhino model at a 1:1 (1m = 1m) scale? So far I’ve tried inserting the images at a size of 1-to-1 which inserts the images into my model at their original size (~47 inch wide sheets). I’m not really sure how to get these from their various scales to the full size they’re representing since I dont have any accurate reference points like a graphic scale bar to use to manually scale them. Is there a way I can tell Rhino what scale the drawings are at and then it will scale them accordingly when I insert them?
You don’t say what format your drawing files are in so I can’t be specific about what stage you do this at. But basically if a drawing is at a scale of, say, 1:150 you need to scale up that sheet by a factor of 150.
You probably will be able to do this in the import options for your file type or, if that isn’t possible, bring the drawing in at 1:1 and then scale it in Rhino by 150.
Caveat: the above assumes your drawing sheets are the original sizes used when the drawings were done. If they are reproductions then that is unlikely to be true and you will only be able to get the true scale by comparing the physical length of dimension lines in the drawing with the lengths they represent, or if you don’t have dimension lines, surveying large real world objects represented on your drawings and comparing the real world dimensions to the size of their drawn representation.
If the dimensions are critical and must be precise then real world surveying would be advisable anyway as the as-built dimensions may differ from the design drawings.
