A few notes on how the plot works right now in Phase 1.
The shadow path (green, blue and red lines) are non-elevation corrected. The telescopes are the actual locations of the submitted stations. The chords (while or orange lines) for newly submitted stations are the elevation corrected chord relative to the path of the shadow.
After selecting a location on the GoogleMaps OWC will obtain the elevation for the location and then will draw two white lines as per the image below.
The white coord will be where the actual position is going to be related to the path, in the image below while the selected location is close to the non-elevation corrected center line (green line) the elevation corrected path puts the location outside of the shadow (between blue and red lines):
The position of the chord on the OW Plot will correspond to the elevation corrected chord. See how on the plot below the chord is in the 1-sigma zone:
The altitude can be also manually entered or updated which will cause the chord to be updated, too.
I hope that all this makes sense.
In phase 2 the entire path will be elevation corrected and the chords will run through the selected location, while the shadow path will be moved accordinly. So once Phase 2 is released, for the above example the while chord line will run through the telescope and the green line (and rest of the path) will be shifted to the lower right, leaving the white cord path again between the elevation corrected blue and red shadow lines.
Please note that all current chords submitted before this version will not be elevation corrected so the elevation correction for planning should be considered functional only for future stations.
Hristo.
On Saturday, May 6, 2023 at 05:20:27 PM GMT+10, hristo_dpavlov via groups.io <hristo_dpavlov@...> wrote:
Hi all,
Today I released the first phase of adding altitude corrections into OW Desktop.
In OW Desktop you can now enter a MSL altitude for all of your saved home sites and this will be used when computing event circumstanes locally on your OW Desktop.
OWC will be updated this weekend to query the SRTM elevation database for the elevation of any sites you are adding in GoogleMaps. The UI / user eperience should be self explanatory but let me know what you think.
I have done accuracy testing to ensure elevation corrections are computed correctly. As this is a massive change I expect that there will be feedback and potentially issues that I will need to fix in the next weeks to come.
So please provide feedback and report any issues you may have spotted.
