The main map view is for visualization and browsing through existing satellite image data catalog.
Navigate to your area of interest by:
The main map view is for visualization and browsing through ingested satellite image data catalog. Navigate to your area of interest by:
* *panning*: using left click + drag or one finger drag and two finger pinch
* *zooming*: using mouse wheel scroll, double click or plus and minus icons in bottom right corner of a map
While hovering over the footprints in the map, the respective product(s) are highlighted in the map, timeslider and the selection menu on the right.
Clicking on the footprints in the map and then clicking on the plus or minus button overlays can used to add or remove images to/from selection for the download (see Download below).
In the top most part of the map, there is a colored loading indicator bar spanning the full width of the window, making it easier to understand if loading all requested map tiles is already finished or still in progress.
There are two side panels: the left menu for layer selection, filters and right menu for listing available data entries, adding them to download selection and downloading.
You can also easily view current map layer view without any UI features of the web client by clicking on the *landscape map* icon in the bottom right of the map window. Clicking on this button opens a list of available layers. Another click on one of them opens a new browser tab with a created WMS request copying current map parameters (zoom, bounding box, selected time, styling etc).
While hovering over footprints on the map, the respective product(s) are highlighted in the map, timeslider and the Search Results menu on the right. Same behavior is applied vice versa while hovering dot groups in Timeslider and individual items in Search Results.
Clicking on the footprints in the map and then clicking on the *plus* or *minus* button overlays can used to add or remove images to/from selection for the download (see Download below).
In the top most part of the map, there is a colored loading indicator bar spanning the full width of the window, making it easier to understand if loading of all requested map tiles is already finished or still in progress.
You can see updated current cursor coordinates as a longitude, latitude pair in the bottom left corner of the map. Web client by default operates on a coordinate reference system EPSG:4326.
There are two side panels: the left menu for layer selection, filters and right menu for listing available data entries, adding them to download selection and later downloading.
You can also easily view current map layer view without any web client UI elements by clicking on the *landscape map* icon in the bottom right of the map window. It then opens a list of available layers. Selecting one of them opens a new browser tab leading to a created *WMS* request copying current map parameters (zoom, bounding box, selected time, styling etc).
.. figure:: images/webclient_tutorial_02_map.*
:alt: Web Client Tutorial - Map
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@@ -54,14 +60,24 @@ Timeslider presents the distribution and number of datasets in time via *bar* gr
Search Results
--------------
Right part of the map window contains a panel with *Search results* for each enabled layer based on current area, time and additional filters. Items in the panel are sorted based on order in which the catalog returned them (by default from the oldest to the newest images).
Searching can be enabled and disabled for each displayed layer individually by clicking on the large button *X layers selected to show n/n* and clicking on corresponding layer entry.
You can inspect detail metadata and alternative visualization of individual images by hovering over an item and hitting *info* icon. That opens a new overlay panel with *details display*. (see Details Display below)
By clicking on individual images, you can insert or remove selected items from list for download.
Catalog search from the web client is scaled for performance and only a limited number of items is returned from the first search. In order to query for more items if available, click on *Load n more* button. *Select all* button adds all currently viewed items to the collection of selected for download.
Clicking on the *link* button next to layer name in the search result tab, it is possible to save the search query. To download the XML file click with the right mouse button on the link and then *Save Link As...*.
Items selected for download can be viewed in the *Basket* tab of the right panel. In order to remove them from the list, you can hover on them and click on the *minus* icon.
Clicking on the *link* button next to the level in the search result tab, it is possible to save the search query. To download the XML file click with the right mouse button on the link and then "Save Link As...".
Filters
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@@ -88,7 +104,7 @@ Map Layers
You can change the order of the layers by dragging the arrows corresponding to each layer up and down. This influences the order of rendering on the map and order of representation of datasets in Timeslider.
Layers can be fully disabled and enabled by the *eye* icon next to its name.
Individual layers can be fully disabled and enabled by the *eye* icon next to its name.
Changing the visualization (styling) of layers can be adapted by clicking on the *paint brush* icon next to the layer name. An afterwards displayed popup window enables setting the opacity and one of pre-configured styles for the layer.
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Three options
Details Display
---------------
In order to view details display panel for a single selected product, either click on the *info* (i) icon after clicking on the product footprint on the map or product entry in Search Results panel.
Newly opened overlay displays a map window with a set visualization and linked metadata. It also contains url links to several product related OGC compliant services requests (WMS, WCS etc). More information can be found in *sample-requests* chapter.
Visualization (opacity and style) can be changed after clicking on the *Visualization* button in top left corner.
.. _fig_webclient:
.. figure:: images/webclient_start.*
:alt: Screenshot of View Server built-in Web Client
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@@ -113,3 +137,5 @@ Three options
*View Server built-in Web Client*
:numref:`fig_webclient` above shows the basic interface
