Difference between revisions of "Providing the exact location of an avalanche or snowpack observation"
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This document describes how you can provide a precise location of an avalanche observation or a snowpack observation. | This document describes how you can provide a precise location of an avalanche observation or a snowpack observation. | ||
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==Background== | ==Background== | ||
− | In | + | In InfoEx all [[Definitions#Assessment|assessments]] and [[Definitions#Observation|observations]] need to have a geospatial reference. Subscribers need to maintain an up-to-date catalog of locations to allow the efficient and consistent georeferencing of their observations. Typical locations included in a location catalog are forecast areas, operating zones, roads, avalanche paths, ski runs or weather observation sites. See [[Location catalog overview]] for more information on the role and administration of location catalogs. |
− | The geospatial information associated with assessments is specified in the definition of the workflow in which the assessment is completed. Assessments typically apply to large scale areas, such as operation areas, operating zones or forecast areas and these location associations are fairly static and do not change on a daily | + | The geospatial information associated with assessments is specified in the definition of the workflow in which the assessment is completed. Assessments typically apply to large scale areas, such as operation areas, operating zones or forecast areas and these location associations are fairly static and do not change on a daily basis. Observations, on the other side, are associated with smaller scale locations, such as avalanche paths, ski runs or weather sites, and the location of every observation is different. To support this more dynamic relationship, all observation entry forms have a mandatory dropdown text field that allows users to associate one or many locations from your location catalog to your observation. Depending on the observation type, the list of available locations is restricted to ensure meaningful associations. |
− | It is this location information that is used in the InfoEx report to show where observations were taken and what areas assessment apply to. While the name or abbreviation of the location is used in the tabular report | + | It is this location information that is used in the InfoEx report to show where observations were taken and what areas assessment apply to. While the name or abbreviation of the location is used in the tabular report, the outline or the central point of the location is used in the map view. |
− | While these general location associations are sufficient for observations like field observations or avalanche summaries, a more precise description of the location for avalanche observations and snowpack observations can offer valuable additional information for the interpretation of this information. To support this need, | + | While these general location associations are sufficient for observations like field observations or avalanche summaries, a more precise description of the location for avalanche observations and snowpack observations can offer valuable additional information for the interpretation of this information. To support this need, InfoEx allows users to indicate the exact location of the observation on a map. |
− | + | Observations that have a precise location are shown at this exact location in the map view of the InfoEx. In the tabular view, the name of the associated location has a little blue pin next to it to indicate that we have precise location information for this observation. | |
==Step-by-step description== | ==Step-by-step description== | ||
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|class="StepNum" | 1. | |class="StepNum" | 1. | ||
− | |Open an avalanche or | + | |Open an avalanche or snow profile observation form from the observation overview table. |
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|class="StepNum" | 2. | |class="StepNum" | 2. | ||
− | |Associate the observation with a location from your location catalog by | + | |Associate the observation with a location from your location catalog by starting to type the location name into the location text box. A list of matching locations automatically appears as you start typing. Either use the arrow keys to navigate to the wanted location or directly click on the location to select it. While it is possible to select multiple locations for an avalanche observation, only one location can be associated with a snowpack observation. |
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|class="StepNum" | 3. | |class="StepNum" | 3. | ||
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|class="StepNum" | 4. | |class="StepNum" | 4. | ||
− | |[[File:GoogleEarthExactLocation.png|300px|thumb|right|Fig. 2: | + | |[[File:GoogleEarthExactLocation.png|300px|thumb|right|Fig. 2: Map pop-up window for mapping precise location of observation]] Click on the grey location pin to open a pop-up window with a map. The map will automatically zoom to the general area of the location you associated with this observation (Fig. 2). The geometry of the location is highlighted in yellow. |
{{Note|You need to have internet connectivity for this feature for work properly.|NoteWithImage}} | {{Note|You need to have internet connectivity for this feature for work properly.|NoteWithImage}} | ||
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|class="StepNum" | 5. | |class="StepNum" | 5. | ||
− | |If necessary, use the | + | |If necessary, use the map navigation tools to zoom closer to the location of your observation. |
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|class="StepNum" | 6. | |class="StepNum" | 6. | ||
− | |Choose | + | |Choose whether you want to draw a point to indicate the general point location of the avalanche or draw a polygon to record the outline of the avalanche event. |
− | * Click on | + | * Click on the [[File:ButtonDrawPoint.png]] button for dropping a pin. |
− | * Click on | + | * Click on the [[File:ButtonDrawPolygon.png]] button for drawing a polygon. |
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|class="StepNum" | 7. | |class="StepNum" | 7. | ||
− | |[[File:GoogleEarthExactLocationWithPin.png|300px|thumb|right|Fig. 3: | + | |[[File:GoogleEarthExactLocationWithPin.png|300px|thumb|right|Fig. 3: Map pop-up window for mapping precise location of observation with pin]] |
− | To indicate the general area of an avalanche with a point location, left-click on the location of your observation on the map to drop a pin. A | + | To indicate the general area of an avalanche with a point location,left-click on the location of your observation on the map to drop a pin. A blue paddle will appear in that location (Fig. 3). To draw the outline of an avalanche, left-click on the map to create the corners of the polygon. |
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|class="StepNum" | 8. | |class="StepNum" | 8. | ||
− | |To edit | + | |To edit a point location, drag and drop it to the desired location. To edit a polygon, left-click and hold the points and drag them to the desired new location. To add additional points to your polygon, click on the faint point between corners and drag them to the desired location. To delete points click on them. |
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|class="StepNum" | 9. | |class="StepNum" | 9. | ||
− | |To delete the pin or polygon from the map, click on the {{ButtonGrey|Clear}} button | + | |To delete the pin or polygon from the map, click on the {{ButtonGrey|Clear}} button. |
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|class="StepNum" | 10. | |class="StepNum" | 10. | ||
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|class="StepNum" | 11. | |class="StepNum" | 11. | ||
− | | | + | |Observations with an exact location are highlighted with [[File:LocationPin.png]] in the observation overview table. |
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==Related documents== | ==Related documents== |
Latest revision as of 13:03, 2 September 2017
REQUIREMENTS | |
Permission | All user levels |
Connectivity | Online only |
This document describes how you can provide a precise location of an avalanche observation or a snowpack observation.
Background
In InfoEx all assessments and observations need to have a geospatial reference. Subscribers need to maintain an up-to-date catalog of locations to allow the efficient and consistent georeferencing of their observations. Typical locations included in a location catalog are forecast areas, operating zones, roads, avalanche paths, ski runs or weather observation sites. See Location catalog overview for more information on the role and administration of location catalogs.
The geospatial information associated with assessments is specified in the definition of the workflow in which the assessment is completed. Assessments typically apply to large scale areas, such as operation areas, operating zones or forecast areas and these location associations are fairly static and do not change on a daily basis. Observations, on the other side, are associated with smaller scale locations, such as avalanche paths, ski runs or weather sites, and the location of every observation is different. To support this more dynamic relationship, all observation entry forms have a mandatory dropdown text field that allows users to associate one or many locations from your location catalog to your observation. Depending on the observation type, the list of available locations is restricted to ensure meaningful associations.
It is this location information that is used in the InfoEx report to show where observations were taken and what areas assessment apply to. While the name or abbreviation of the location is used in the tabular report, the outline or the central point of the location is used in the map view.
While these general location associations are sufficient for observations like field observations or avalanche summaries, a more precise description of the location for avalanche observations and snowpack observations can offer valuable additional information for the interpretation of this information. To support this need, InfoEx allows users to indicate the exact location of the observation on a map.
Observations that have a precise location are shown at this exact location in the map view of the InfoEx. In the tabular view, the name of the associated location has a little blue pin next to it to indicate that we have precise location information for this observation.
Step-by-step description
Related documents
[1] Click to watch a help video
[2] Click to watch a help video
Functionality tested by
- Dec. 23: Pascal Haegeli