User Instructions and Technical Guide
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1.4.2 Session Map
Like the manager’s web page, the session web pages are built around a Google Map Services™
interactive map to help orient you within the session and its geographic region. Unlike the manager’s
web page map, only information for the indicated session is shown here. Different icons are used to
reflect a project mark’s status in the session. A legend defining each icon type is given just above the
map (Figure 1.42).
Figure 1.42 - Legend icons
For MARKS:
A green, open circle icon means the preferences set by the project manager have been met.
The project mark icon may become green based on the OPUS, session, or session solution.
An orange, barred circle icon (with a line through it) means that the preferences set by the
manager have not been met in processing using this project mark’s data. This most often occurs with
the initial OPUS solution submission; less common from session processing. This condition does not
prevent the mark’s data from being used in the project.
A grey, crossed circle icon means that the project mark was not included in the processing
results being displayed.
A red, crossed circle icon notes an error with the project mark. This condition is seldom seen
but signifies a more serious problem with the mark’s data or solution.
For CORS:
A blue with yellow trim icon means that the CORS data have met the preferences set by the
manager.
A yellow with blue trim icon means that the CORS solution result does not meet the preferences
set by the manager. This condition does not prevent the CORS data from being used in the project.
A grey icon means that the CORS was not available or not included in the results being
displayed.
For Baselines:
If a session solution was completed, the baselines defined in the processing appear as color lines on the
map.
Within the map display to the upper-left, there are typical zoom controls (+/-) and controls to zoom
specifically to the session’s 'Marks' or 'Marks & CORS'. At the upper-right corner of the map (Figure
1.41) you may set the map background as either Terrain (digital elevation model), Satellite (satellite
imagery if available), or Map (towns, streets & highways). You also have the option to click and drag
(pan) the map to view nearby areas.
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Figure 1.46 - Add
marks
Figure 1.45 - Click on the mark ID in the right column
Figure 1.43 - Mark
icon action
Holding the cursor over a project mark icon will cause the icon color to lighten
and the mark’s ID to appear (Figure 1.43). Clicking (typical left mouse button)
a project mark icon will cause information about the data files associated with
that mark for this session only to appear in an information 'bubble'. At the top
of the bubble, the mark ID is given. If the mark is a project mark, the ID acts as
a convenience link to navigate to the summary web page of that mark. A table
listing all of the uploaded data files is also shown in the bubble (Figure 1.44).
Note that the antenna name and ARP height associated with each file are also
shown for the record. The project team member who uploaded the files is
given as the ‘OBSERVER’. Their name is a convenience link to send them an
email message.
Figure 1.44 - Mark data files bubble
1.4.3 Project mark and CORS lists
To the right of the map are lists of project marks and CORS included in the session. Like the map icons,
holding the cursor over a mark’s ID in the list will cause the icon color to lighten, and clicking (typical left
mouse button) a mark ID in the list causes that project mark's information bubble to appear on the map,
identifying its position.
1.4.3.1 Adding additional marks to the project
Below the project marks list to the right of the map is the ' Add Marks' button (Figure 1.46). This button
is a link to the OPUS Upload web page where you may upload additional GNSS occupation data files to
OPUS and assign them to your project.
User Instructions and Technical Guide
OPUS Projects
52 |
P a g e
NOAA | National Geodetic Survey
Figure 1.47 -
Add CORS
Figure 1.48 - The 'Add CORS' popup window
1.4.3.2 Adding additional CORS to the session
Below the CORS list, at the bottom right of the map, is the Add CORS button (Figure 1.47). Clicking this
button opens a new window with controls to add additional CORS to this session (Figure 1.48).
The map appearing in the
Add CORS window (Figure
1.48) is similar to the map
on the primary web page.
You may zoom in and out
and drag the map to other
areas. Notice the CORS
icons are color coded. As you zoom in to the map notice that the sites that have been operational for
shorter periods of time appear. CORS icons are color coded to reflect how long they have existed as a
CORS. As you zoom in to the map notice that the sites that have been operational for shorter periods of
time begin to appear. This a subtle way of encouraging the addition of CORS that have existed longer,
have more years of archived data, and which may overlap the session timelines for projects with older
observations. It is recommended to use CORS that are at least three years old which will have computed
(measured) velocities which OP will make use of.
Any CORS added while on a session page, will be added only to a session. You may wish to add the
same or different CORS to other sessions within the project. CORS added from the Managers page will
overlap all of the sessions in the project at the time the CORS are added. It may be prudent for team
field members to consult the project manager before uploading data files to OPUS so that a set of
specific CORS may be used throughout the project.
When in the Add CORS window, move the cursor over the CORS icon to see the CORS ID. Clicking on the
CORS icon gives you the option (within the information bubble) to add it to a list on the left. When you
have completed adding CORS to that list, click the Add CORS button at the top of the web page to
populate your current session with those additional CORS.
Remember, adding CORS after the session has been processed will require the session to be
reprocessed for the added CORS with associated baselines to be included in the session results.
1.4.4 Controls
At the top of the Session Web Page there are two pull-down menus that identify the Session name (ID)
and the type of results being displayed. In addition to acting as an identifying label for the web page,
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