![]() ![]() The more dificult and time consuming part is to also match the second point (scaling and rotating), because when scaling or rotating, the first point also moves.įor the rotation I found the solution here : when in rotation mode, I can click and drag the litle cross that is in the middle of the image, in order to change the pixed point.īut I haven't found a solution yet to set the fixed point for scaling (other than using a corner or the center). Matching the first point between sketch and survey is easy (I just move the sketch around). The more realistic solution, is that I always match 2 points (lets say points 4 and 5) between sketch and survey, by scaling and rotation the scanned sketch, then I draw the cave section between 4 and 5 (rather easy now that I can just copy the sketch). But I don't think there is such feature (in case there is, I'm interested). ![]() The "ideal" solution would be to just specify the matching points on the image and let Inkscape distort/scale/rotate the sketch to match them. What I'm trying to do, is to re-draw the sketch in inkscape, but this time with correct scale and orientation. I exported to inkscape all the numbered points (with correct scale and orientation). On the other hand, we did the survey of the cave (with laser), so I know exactly where the numbered points are. On the sketch, I have poins marked with numbers. I have a sketch of a cave (ie a drawing on paper, not on scale (and "scale" not the same in all parts of the image), not respecting orientation, with some distortions. How can I scale and rotate the picture such that A and A' (and B and B') match? (in order to re-draw in inkscape the sketch done on paper, but with correct scale and orientation).Īlternatively, how can I set an arbitrary fixed point for scalling (I found the solution for rotating)? This way, I match A and A', and then scale and rotate manually to match B and B'. ![]() I have a scanned drawing (picture) with the same 2 points (A' and B'). I have to points (nodes), A and B, on one layer. ![]()
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