Contents
How to apply a geographic transformation in ArcMap?
Geographic transformations use different methods, with different accuracies, and are defined for particular areas. This document discusses how to manually apply a geographic transformation to the ArcMap data frame. In ArcMap, go to View > Data Frame Properties dialog. Select the Coordinate System tab.
Why do we need spatial references in ArcObjects?
Spatial references describe where these geometries are located on the earth. They also define the resolution and valid values for the coordinates used by the geometries. Almost every system in ArcObjects uses geometries and spatial references in some way.
What makes up a geometry object in ArcGIS?
Geometry objects are not meant to be extended by developers. In addition to the top level geometry objects ( Points, Multipoints, Polylines, Polygons, and MultiPatches ), Paths, Rings, Segments, TriangleStrips, TriangleFans, and Triangles serve as building blocks for polylines, polygons, and multipatches.
How are envelopes and geometrybags related in ArcGIS?
Envelopes describe the spatial extent of other geometries, and GeometryBags provide operations on collections of geometries. Multipoint, polyline, polygon, and multipatch geometries have constraints on their shapes. For example, a polygon must have its interior clearly defined and separated from its exterior.
What can I do with an ArcMap map?
Map and analyze deforestation caused by road building in the Amazon rainforest. Use geoprocessing tools to create a map that displays liquor stores’ proximity to schools. Steps for the different ways you can open a map document in ArcMap. Learn fundamental map design concepts and cartographic workflows.
How to use GIS data in ArcGIS Online?
Learn how to use data from the wide variety of GIS data sources in ArcGIS Online. Create and edit features in a map of Zion National Park. Use feature templates and topology. Join tabular and spatial data to visualize homelessness in North Dakota. Rich media in an online PDF exploring imagery and remote sensing in a modern GIS.
Can you use ArcGIS Desktop with ArcGIS Pro?
Your ArcGIS Desktop license includes ArcGIS Pro. If you’re already using ArcMap, moving to ArcGIS Pro is easy. Import your existing map documents, layouts, and data into an ArcGIS Pro project to get started. First time using ArcMap? Start here. Map and analyze deforestation caused by road building in the Amazon rainforest.