Elevation (z) offset and scaling.

[lidar532]

It would be very nice to be able to set offset and scale for the z values.

[verma]

I get the scaling part, it'd be nice to scale out the Z axis to see more detail. How do you think the offset part would work?

[lidar532]

Greetings!

Very nice project you have there.. Before scaling, would be nice to add
an offset. I will frequently offset to translate from one vertical datum
to another. For example, from wgs84 to sea level or navd88. Another
reason would be if you could load two data sets at the same time and each
was in a different vertical datum, you could offset one or the other
of them to agree.

I would very much like to learn more about plasio. I'm interested to see
if we could extend it to do manual point cloud editing, and some analysis.

Best
Wayne

On Saturday, May 31, 2014, Uday Verma [email protected] wrote:

I get the scaling part, it'd be nice to scale out the Z axis to see more
detail. How do you think the offset part would work?

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[hobu]

I will say that it is probably out of scope for plasio to be doing real vertical datum transformations. The software for doing that isn't really web-ready.

[lidar532]

Hi Howard,

I agree that a real datum transform is out of scope; however, simply
applying a fixed vertical offset is still very useful.

Best
Wayne

On Saturday, May 31, 2014, Howard Butler [email protected] wrote:

I will say that it is probably out of scope for plasio to be doing real
vertical datum transformations. The software for doing that isn't really
web-ready.

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[hobu]

Out of scope for the short term, anyway. proj.4 in the browser with datum transformation might not be forever far away http://howardbutler.com/back-to-the-future-again.html