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Orthoplane: Seeking recommendations for comparing with pre-build CAD plans


I have been able to render some small orthoplanes for a building project. The output images are geotiffs with sister .prj and .tfw files:

Prj: LOCAL_CS[“Arbitrary (m)”,LOCAL_DATUM[“Arbitrary datum”],UNIT[“meter”,1.0,AUTHORITY[“EPSG”,“9001”]]]

Tfw: 0.007100000000 / 0 / 0 / -0.007100000000 / 0.000000000000 / 8.000000000000

I am looking for recommendations for the following actions:

(1) Software / workflow recommendation for putting the orthoplane into a printable PDF document with a correct scale bar, similar to the side view in a technical drawing and CAD software.

(2) Unless point (1) uses software that can measure segment lengths and areas through a GUI, then I am also looking for recommendations for providing the client with ways to measure precise 2D lengths and surfaces directly from the orthoplane geotiff.

Many thanks for your help,


1 Like

Hi Charles,

When you produce an orthoplane in Pix4D, the ortho produced afterward is given in an arbitrary coordinate system but it is scaled and measurements can be done.
More information can be found here.

Most of the standard GIS or CAD software are able to import a Geotiff, measure on it and create a PDF file.