Hi,
The contour lines when exported(into shp file) from Pix4D survey that are generated from DSM, doesn’t contain the elevation information. How do i get that info so i can work with them in Global Mapper to smoothen the contours etc…
Hi @rayavarapunani ,
The altitude is saved in the geometry.
You need to use the field calculator to pull out the z-value from the geometry.
I sent feedback to the product team to see if it is possible to improve this workflow in the future.
Any update on this feature?
@rayavarapunani thanks for following up, and while it’s very important for us to ensure smoother compatibility with CAD and GIS software, we have not been able to address this yet. Could you provide us with more information about your workflow? What type of projects you work on, what results you need, which applications you interact with/why/in which order, your workflow, etc. so that we can make sure we implement the correct compatibility. Thanks!
Hi @Rhea_Garratt . Here’s my workflow. I generate Pointcloud and ortho from Matic. Then I transfer the point cloud to Pix4D survey and follow the usual steps to generate DTM. Since the lowest elevation values of DSM generated from Matic is different than the DSM (triangulated one)from Survey, I generate DSM and DTM from Pix4D Survey. Then comes the pain part. For some reason, tiff outputs generated from Matic do not open in AutoCAD. Contours generated in Pix4D Suvey do not have elevation table in Dbf file. Basically, the lines by themselves don’t mean anything if there are no elevation values. Workaround must happen in QGIS.
Outputs that are generated from Pix4D apart from landxml format, no tiff files open in AutoCAD . Every client complains this. What I don’t get is if every client that I met is using AutoCAD and my outputs must be compatible with their software, why can’t I get an option where the output mentions tiff exports that is AutoCAD compatible to clear the confusion instead of me reducing resolution and trying to figure out whether this works or not and do several iterations? Also why is it the contours and grid generated in Pix4D Survey doesn’t work sometimes on AutoCAD? GIS and CAD compatibility is a pain. Every single tiff file I have generated (be it ortho DSM DTM) never opened in AutoCAD. I have to turn to global mapper to convert it to a tiff file and then send it. Even this Global mapper workaround won’t work for big projects over (3500 images).