:yellow-highlight:`STEP 8 (OP5)`: Uploading GVX file(s) ======================================================= #. Start on the "Manager’s page" for your project. From the menu on the left-hand side of the screen, click on the blue button labeled "Upload GNSS Vectors" (highlighted below). .. _FigureQS-3gvx.png: .. figure:: ../images/FigureQS-3gvx.png :width: 600 px :alt: "Upload GNSS Vectors" Button (highlighted in yellow) "Upload GNSS Vectors" Button (highlighted in yellow) #. A dialog box will pop up on the screen, prompting you to upload a GNSS Vector (.gvx) file. Click on the blue button labeled "Browse (.gvx)". .. _FigureQS-4gvx.png: .. figure:: ../images/FigureQS-4gvx.png :width: 600 px :alt: Upload GNSS Vectors Window Upload GNSS Vectors Window #. Navigate to the directory containing the files you wish to upload to your project. You may batch upload multiple files. Once all files have been selected, click on the "open" button. .. _FigureQS-5gvx.png: .. figure:: ../images/FigureQS-5gvx.png :width: 600 px :alt: GVX-file Selection Confirmation GVX-file Selection Confirmation #. The dialogue box will tabulate the number of GNSS vectors in the selected file(s). The example below shows 3 GVX files with 13, 15, and 18 vectors included, respectively. (If the GVX file is not formatted properly, the table will say "invalid .gvx will be excluded". The thrown error will also be listed at the bottom of the window.) Next, click the blue button labeled "Upload GNSS Vector (.gvx) File". .. _FigureQS-6gvx.png: .. figure:: ../images/FigureQS-6gvx.png :width: 600 px :alt: "Upload GNSS Vector (.gvx) File" Button (highlighted in yellow) "Upload GNSS Vector (.gvx) File" Button (highlighted in yellow) #. Wait for the request to be completed. Once done, the map will update and display diamonds for all surveyed marks and dashed purple or cyan lines for all uploaded GNSS vectors. See the screenshot below. In this example, one CORS was automatically added to the project named "umbc". This was added because some of the GNSS vectors originate from it. Static data files (RINEX) must be uploaded for all other RTN base stations as per Step 5 above. .. _FigureQS-7gvx.png: .. figure:: ../images/FigureQS-7gvx.png :width: 600 px :alt: Map Display with GNSS Vectors Map Display with GNSS Vectors #. Two new web pages have been created for OPUS-Projects 5. These pages allow you to view the contents and metadata of the uploaded GVX files. The first webpage is known as the "GVX" webpage. You are allowed to view the contents of each individually uploaded GVX file. To see the contents of one of your uploaded files, from the manager’s page, scroll down to a table beneath the map and click on one of the GVX file names. In the example, we clicked on "golden52.gvx"). #. A new web page should open displaying the contents of the GVX file. You should be able to see baselines in this file on the map, and a table beneath the map listing the relevant metadata associated with each vector (measurement). The metadata should include: - Repeat vectors between the same two marks, organized into "To" - "From" baselines. - Vector ID assigned by OPUS-Projects - Antenna types and heights - PDOP - Observation start and stop times (in GPS time), observation duration and number of epochs used. - Estimated accuracy of the vector from the GVX file, in north, east, and up components - The total number of satellites used and number of satellites used by GNSS type (C = BeiDou, E = Galileo, G = GPS, J = QZSS, R = GLONASS) - The ephemeris type (satellite orbit information) used - If the vector has a fixed or float solution - The type of solution method (NetworkRTK, Single-baseRTK, or Post-processed) - The name of the baseline processing software for deriving the vector - The mount point name if the vector was from a real-time network (RTN) #. Click on one of the baselines to view the other new webpage. In the example below, we clicked on "e087-umbc" to view all vectors measured for this given baseline in the project. .. _FigureQS-8gvx.png: .. figure:: ../images/FigureQS-8gvx.png :width: 600 px :alt: Vectors for Baseline "e087-umbc" Vectors for Baseline "e087-umbc" #. Another new web page should open displaying the selected baseline and all repeat vectors (or measurements) of this baseline. The map will show the baseline, and a table of all vectors will be given with the same metadata described above. If you scroll further down the page, you will see scatter plots depicting the precision of the repeat measurements. .. _FigureQS-9gvx.png: .. figure:: ../images/FigureQS-9gvx.png :width: 600 px :alt: Repeat Measurements Scatter Plot Repeat Measurements Scatter Plot #. You have now seen the two new webpages (by GVX file and by baseline). You may click on other baselines and GVX file names to view the same types of information for other files and lines. #. OPUS-Projects 5 provides some simple tools for flagging poor data and allowing users to remove outliers or bad measurements. Of course, a user may simply view the scatter plots individually, but this may take too much time for large projects. Instead, some more tools are available. Click on the blue button labeled "Manager’s Page" to return to the main page for the project. #. Next, scroll down to the bottom of the page to view a table below the map. Click on the dropdown carrot to change the view from Occupation to "Statistics". A new table will appear displaying a summary of certain statistics for each baseline (see below). The summary is useful for detecting outliers. In the example below, notice that one of the boxes is flagged orange, depicting an Up peak-to-peak error greater than 0.050 m (per the thresholds set in the project Preferences). This flag indicates a possible outlier in the data. We clicked on the link "brun-mas2" to view its baseline webpage. .. _FigureQS-10gvx.png: .. figure:: ../images/FigureQS-10gvx.png :width: 600 px :alt: GVX Vector Listing GVX Vector Listing #. The baseline page appeared for brun-mas2. We scrolled towards the bottom of the page to view the scatter plots. The upper right plot depicted "Up" residuals versus GPS Time. We noticed that one data point has a somewhat larger residual compared to all other data points. .. _FigureQS-11gvx.png: .. figure:: ../images/FigureQS-11gvx.png :width: 600 px :alt: Scatter Plots for Baseline "brun-mas2" Scatter Plots for Baseline "brun-mas2" #. We hover the mouse over this datapoint (highlighted above), and a tooltip appeared showing it is "V1 from golden52.gvx". We found V1 in the table above the scatter plots. We then unchecked the blue box next to V1 to remove this poor vector from the survey network. Notice that the point in the scatter plot is now dimmed, and the icon in the table turned gray (indicating that it is not used). Afterwards, we clicked on the Update .GVX blue button to save the changes. We have now identified a poor vector in the network, and we removed it. .. _FigureQS-12gvx.png: .. figure:: ../images/FigureQS-12gvx.png :width: 600 px :alt: "Update GVX" Button (highlighted in yellow) "Update GVX" Button (highlighted in yellow) #. To ensure that the vector was indeed removed, we returned to the manager’s web page. This was done by scrolling up to the top of the page and clicking on the blue button on the left-hand menu labeled "Manager’s Page". #. Once at the Manager’s Page, we scrolled back down to the bottom of the page. Again, we clicked on the left dropdown list and changed it to "Statistics" to re-open the statistics table. Now, we notice that the orange flag is gone (the issue has been resolved because the one poor vector was removed). We can also see in the table that for the "fran-prs9" baseline, there are 6 vectors and only 5 are being used. .. _FigureQS-13gvx.png: .. figure:: ../images/FigureQS-13gvx.png :width: 600 px :alt: GVX Baseline Statistics Window GVX Baseline Statistics Window ------- .. toctree:: :maxdepth: 2