1.1 functional components
ArcGIS runtime for iOS API contains nearly 200
Class and interface, covering map, Data, function display, operation, and other aspects, can also be called ArcGIS for server
Provides powerful plotting, geocoding, geographic processing and custom functions, and portal for ArcGIS
.
In addition, its function components cover all aspects of GIS functions, including data collection, data visualization, query and retrieval, network analysis, positioning and navigation, and access to public and private cloud services. Next we will discuss it one by one.
1.1.1
General functions of data collection 1.1.1.1
1)
Draw new elements and fill in attributes
2)
Modify spatial elements and attributes
3)
Delete Element
4)
GPS Positioning/map tagging
5)
Take photos and videos
6)
Transfer photos and videos
7)
Information and telephone contact of on-site personnel
8)
Use GPS to draw Elements
1.1.1.2 applicable scenarios 1.1.1.2.1 on-site data collection
1)
Field Image/Video Acquisition
2)
On-site business data collection and process operations
3)
Location Information Collection
4)
Sending and receiving information
1.1.1.2.2 incident reporting;
1)
Emergency location;
2)
Event description;
3)
Site photos.
1.1.2
Data presentation 1.1.2.1 Data Loading
1)
Initialize the loading range (Map. setextent (geometry ))
2)
Initialize the loading level/Resolution (setresolution (double res), setscale (double scale)
)
1.1.2.2 data browsing
1)
Zoom, pan, full graph, rotate (button, gesture)
2)
Zoom to the specified level (two levels of zoom in at a time: map. zoomto (centerpt, 2n)
)
3)
Scale to the specified resolution (Map. zoomtoresolution (centerpt, map. getresolution () * 2n)
)
4)
Rotate the map at the specified angle (Map. setrotationangle (15.0 ))
1.1.2.3 Layer Control
1)
Display Control (layer. setvisible)
2)
Transparency (layer. setopacity)
3)
Brightness (dynamiclayer. setbrightness (float brightness)
)
4)
Contrast (dynamiclayer. setcontrast (float contrast)
)
5)
Child Layer Control (dynamiclayer. getalllayers ())
1.1.2.4 others
1)
Scale
2)
Legend Control
3)
Bookmarks
4)
Split screen, linkage
5)
......
1.1.3
Query and retrieval 1.1.3.1 attribute Query
1)
Single field Query
2)
Multi-field joint Query
3)
Fuzzy search
4)
Multiple Layers (identify and find) are queried at a time)
1.1.3.2 space Query
1)
Identify
2)
Overwrite query (contain, overlap ......)
3)
...... Within the scope
1.1.3.3 joint query of space and attribute
1)
Query and querytask
2)
Query. setwhere
3)
Query. setgeometry
1.1.4
Network Analysis
1)
Service Area Analysis
2)
Shortest Path Analysis
3)
Multi-Point Path Analysis
4)
Set obstacle points
5)
Set necessary points
1.1.5
Access ArcGIS portal and ArcGIS online
1)
Browse, search, and use maps on ArcGIS online;
2)
Browse, search, and use the content shared between groups on ArcGIS online;
3)
Browse, search for and use recommended maps, such as the topic content, thematic groups, the most popular and top rated maps, etc;
4)
Add favorite maps to favorites;
5)
Add maps on other servers;
6)
Access Data on the ArcGIS portal;
1.1.6
Others
Other functions include:
1)
Situation drawing
2)
Measurement
3)
Data transmission and Synchronization
4)
Offline common resources