Seeking software for 2D height plot

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JRM
Posts: 5
Joined: Wed Apr 27, 2016 8:20 am

Seeking software for 2D height plot

Postby JRM » Fri Aug 19, 2016 10:20 am

Hi,

I'm seeking an open-source software to plot profiles on a lidar cloud where the users can manually draw the profile's line and get a 2D height plot along the axis of this profile. The aim is to allow them to create their profile on their own for studies and publication purpose.

Free proprietary tools such as LP360 or FrugoViewer offer these feature but I would like to keep the toolchain free as in sa speech as much as possible. The web viewer potree has a measurement tool which has most of the wanted features but is unable to export the 2D plot, the user is taking a screenshot of the webpage, import the raster into his vector editor (Inkscape/Illustrator), scale it manually and redraw over everything.

Image

Regards,
JRM

daniel
Site Admin
Posts: 3199
Joined: Wed Oct 13, 2010 7:34 am
Location: Grenoble, France
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Re: Seeking software for 2D height plot

Postby daniel » Fri Aug 26, 2016 9:46 pm

Sorry for the late reply.

CC can automatically extract contours from slices but it's limited to simple contours or profiles:
http://www.cloudcompare.org/doc/wiki/index.php?title=Cross_Section
http://www.cloudcompare.org/doc/wiki/index.php?title=Extract_Sections

Or you can also draw the contours yourself:
http://www.cloudcompare.org/doc/wiki/index.php?title=Trace_polyline

And you can export the resulting polylines to DXF.
Daniel, CloudCompare admin

JRM
Posts: 5
Joined: Wed Apr 27, 2016 8:20 am

Re: Seeking software for 2D height plot

Postby JRM » Mon Aug 29, 2016 3:05 pm

Hi daniel and thanks for your answer,

These tools are those that I'm using when I'm the one producing the profile :
- I select the wanted profi with the cross-section tools
- an approximated contour is generated and exported to shp/dxf and used in QGIS to create a svg file with a correct scale
- I render the front view to a file (due to #385) and scale it by measuring the embedded graphic scale

I can't tell my users to do the same with CC, the global shift panel would already be a stop sign. Potree was nearly perfect in this regard as the user had most of the parameters already figured out for him and just had to focus on the length and width of his profiles. After a few hours of search, it seems there is no open-source viewer for this task.

mariareese
Posts: 1
Joined: Wed Jul 19, 2017 12:31 pm

Re: Seeking software for 2D height plot

Postby mariareese » Wed Jul 19, 2017 12:35 pm

Smart thinking to make tool.. I was also looking for similar thing to make .. work is in process ..:)


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