Skip to content
  • Home
  • Categories
    • Geology
    • Geography
    • Space and Astronomy
  • About
    • Privacy Policy
  • About
  • Privacy Policy
Our Planet TodayAnswers for geologist, scientists, spacecraft operators
  • Home
  • Categories
    • Geology
    • Geography
    • Space and Astronomy
  • About
    • Privacy Policy
on January 25, 2023

Why are my polygons automatically simplified/generalised when merging them in ArcMap 10.2?

Geographic Information Systems

Contents:

  • How do I merge polygons in Arcmap?
  • How do I merge overlapping polygons in ArcGIS?
  • How do you merge polygons?
  • How do I merge shapefiles in Arcmap?
  • What is the difference between merge union and dissolve?
  • What is the difference between merge and union in ArcGIS?
  • How do you fix overlapping polygons?
  • How do you know if a polygon is overlapping?
  • What is spatial join?
  • How do I merge two images in ArcMap?
  • What does the merge tool do in ArcMap?
  • How do I merge multiple layers in ArcMap?

How do I merge polygons in Arcmap?

Note:

  1. Click the Edit tool. on the Editor toolbar.
  2. Click the features you want to merge. The features must be from the same layer.
  3. Click the Editor menu and click Merge.
  4. Click the feature that the features will be merged into and will supply the attributes for the merged feature.
  5. Click OK.


How do I merge overlapping polygons in ArcGIS?

Merge existing features

  1. On the Edit tab, in the Features group, click Modify .
  2. Expand Construct and click Merge .
  3. Click the Existing Feature tab.
  4. Click Select.
  5. In the pane, add or remove features from the selection.
  6. Configure the attributes fields and field values for the merged feature.
  7. Click Merge.


How do you merge polygons?

Procedure

  1. Display the polygon coverage to edit in Edit Tools.
  2. On the Edit Polygons menu, click Merge.
  3. Select two adjacent polygons. The new polygon has the attributes of the last polygon selected.

 

How do I merge shapefiles in Arcmap?

Merging Shapefiles in ArcGIS Desktop

  1. Add two or more shapefiles in ArcGIS Desktop.
  2. Select Geoprocessing.
  3. Select Merge.
  4. See Merge Tool screen.
  5. Add the two or more shapefiles in Input Datasets.
  6. Save the Output Dataset.
  7. Name the Output shapefile.
  8. Press OK.

What is the difference between merge union and dissolve?

How is the Merge Tool different from the Dissolve Tool? The Merge Tool puts all the items from multiple datasets into a single dataset. But it maintains the boundaries between features. This is different from the Dissolve Tool, which melts boundaries from one or more datasets into a common border.
 

What is the difference between merge and union in ArcGIS?

There are two ways to combine existing features and create a new feature in ArcMap: Merge and Union. Merge combines two or more features from the same layer into one. Union creates a new feature from two or more selected features of the same geometry type.
 

How do you fix overlapping polygons?

Removing overlaps from existing polygons

  1. Select the polygon feature whose border you want to maintain. The other polygon will be clipped back to match it.
  2. Click the Editor menu and click Clip.
  3. Set the buffer distance to 0 and choose to discard the area that intersects.
  4. Click OK.




How do you know if a polygon is overlapping?

Start ArcMap. On the main menu, click Customize > Toolbars > Data Reviewer. Click the Select Data Check drop-down arrow on the Data Reviewer toolbar, click the plus sign (+) next to Feature on Feature Checks, then click Polygon Overlap/Gap is Sliver Check.

What is spatial join?

A spatial join involves matching rows from the Join Features to the Target Features based on their relative spatial locations. By default, all attributes of the join features are appended to attributes of the target features and copied over to the output feature class.

How do I merge two images in ArcMap?

To use this function, you need to open the attribute table and select the rows in the table representing one image, then right-click the Footprint layer and click Selection > Merge Selected Items. The selected items will be converted from individual items into one new item (row) in the mosaic dataset’s attribute table.

What does the merge tool do in ArcMap?

Combines multiple input datasets into a single, new output dataset. This tool can combine point, line, or polygon feature classes or tables.

How do I merge multiple layers in ArcMap?

In the Manage Data group, click Merge. The Geoprocessing pane appears with the parameters for the Merge tool. This tool combines multiple input layers into a single, new output layer.



Recent

  • Exploring the Geological Features of Caves: A Comprehensive Guide
  • What Factors Contribute to Stronger Winds?
  • The Scarcity of Minerals: Unraveling the Mysteries of the Earth’s Crust
  • How Faster-Moving Hurricanes May Intensify More Rapidly
  • Adiabatic lapse rate
  • Exploring the Feasibility of Controlled Fractional Crystallization on the Lunar Surface
  • Examining the Feasibility of a Water-Covered Terrestrial Surface
  • The Greenhouse Effect: How Rising Atmospheric CO2 Drives Global Warming
  • What is an aurora called when viewed from space?
  • Measuring the Greenhouse Effect: A Systematic Approach to Quantifying Back Radiation from Atmospheric Carbon Dioxide
  • Asymmetric Solar Activity Patterns Across Hemispheres
  • Unraveling the Distinction: GFS Analysis vs. GFS Forecast Data
  • The Role of Longwave Radiation in Ocean Warming under Climate Change
  • Esker vs. Kame vs. Drumlin – what’s the difference?

Categories

  • English
  • Deutsch
  • Français
  • Home
  • About
  • Privacy Policy

Copyright Our Planet Today 2025

We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept”, you consent to the use of ALL the cookies.
Do not sell my personal information.
Cookie SettingsAccept
Manage consent

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary
Always Enabled
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
CookieDurationDescription
cookielawinfo-checkbox-analytics11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional11 monthsThe cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy11 monthsThe cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.
Functional
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Analytics
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Advertisement
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Others
Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.
SAVE & ACCEPT