on February 1, 2023

Problem with projection in meters with ArcGIS 10.1

Geographic Information Systems

How do I fix ArcGIS projection?

Answer

  1. Open ArcToolbox and select Data Management Tools > Projections and Transformations > Define Projection.
  2. Choose the appropriate coordinate system. You have to define it as what it is, not as what you want it to be.
  3. Once the projection is defined correctly, the projection can be changed.

 

How do I change the projection coordinate system in ArcGIS?

Right-click the data frame name and choose Properties to bring up the Data Frame Properties dialog box. Click the Coordinate System tab and navigate to the desired coordinate system for your map display.

Why can’t I measure in ArcMap?

This issue occurs because the map does not have known units.
 

How do I show projections in ArcGIS?

Setting and Changing Projections in ArcGIS Pro



Projections can be changed on an ArcGIS Pro map by right-clicking on the layer in the Contents pane and selecting Properties -> Coordinate Systems. The dialog box will show you the current projection and allow you to search or browse for a new projection.

Why is map projection wrong?

The popular Mercator projection distorts the relative size of landmasses, exaggerating the size of land near the poles as compared to areas near the equator. This map shows that in reality, Brazil is almost as large as Canada, even though it appears to be much smaller on Mercator maps.
 

Why are my coordinates wrong in ArcGIS?

Cause. In some cases, the XY points display in the wrong location if a projected coordinate system is used instead of a geographic coordinate system. The XY points are in decimal degrees, but the projected coordinate system attempts to display the points as units of feet instead of as decimal degrees.

Is WGS 84 a projection system?

For example, the “WGS84 projection” is a geographic one. A UTM projection is a projected one. Either of these will use only one datum. However, the data on the map could have come from multiple sources, all with unique projections and therefore datums.
 

What is the default projection in ArcGIS?

Web Mercator

In ArcGIS Online, like in most online mapping platforms, Web Mercator is the default coordinate system. As many of you know, Web Mercator is not designed to minimize distortions for distance and area calculations.

How do I change the projection on a map?



Quote from video: And arcmap to do so right-click your active data frame within the table contents and choose properties in this case our data frame is called layers.

How do I fix the topology in ArcGIS pro?

Fixing topology errors

  1. Open the Error Inspector and search for errors, or click the Fix Topology Error tool.
  2. Click the error in the Error Inspector list or use the Fix Topology Error tool to click it on the map.
  3. Right-click the error in the list or on the map and click one of the available fixes.

How do I change the projection of a shapefile?

In ArcCatalog, click the shapefile whose coordinate system you want to define. Click the File menu and click Properties. Click the XY Coordinate System tab. Click New and click Projected.

How do I change the projection on a data frame?

Right-click the data frame name and choose Properties to bring up the Data Frame Properties dialog box. Click the Coordinate System tab and navigate to the desired coordinate system for your map display.