Joining table in ArcGIS Desktop but join field is greyed out?

How do I join an attribute table in Arcgis? Joining attributes in one table to another In the table of contents, right-click the layer or table you want to join, point to Joins and Relates, then click Join. Click the What do you want to join to this layer? Click the field on which the

How to download tile from Amazon’s Sentinel-2 service

Where can I download Sentinel-2 data? All Sentinel-2 data are freely available from the Copernicus Open Access Hub. Users can download the data via https://scihub.copernicus.eu/.  How do I download data from my Sentinel hub? Sentinels Scientific Data Hub Create a User Account. Go to Sentinels Scientific Data Hub. Select Your Area of Interest. Where is

How to convert coverage (.adf) to shapefile?

How to convert coverage to shapefile? Put all the coverage files in one folder, select all the ones you want to change into shapefiles, right click, export –> shapefile (multiple), then select the output folder and OK. It takes a while but it’s so easy!  How do I open ADF files in Arcgis? ADF files

Raster colormap setting in ArcMap not honored in GP tool

How do I add a Colormap in Arcgis? Creating a color map (. clr) file Add a single-band raster dataset to ArcMap. Right-click the raster dataset in the table of contents and click Properties. Click the Symbology tab. Choose the Unique Values renderer. Edit the symbol color to the appropriate color for each value. What

Tool to set the maximum shape area of drawn polygons [ArcGIS 10]

How do I resize a polygon in ArcMap? 1. Click the Customize menu at the top of ArcMap and choose Customize Mode. 2.Use the Scale button: Start an edit session. Use the Select arrow to select the feature you want to adjust. Click on the Scale button. Hit the “F” key on your keyboard. Where

Permanently change Table column order

How do I change the order of columns in a table? Rearrange the order of columns in a table In Datasheet view, drag the selected columns horizontally to the position that you want. In Design view, drag the selected columns vertically to the position that you want. How to change column order in MySQL table?

Spatial query st_contains postgis

What is the difference between ST_Contains and ST_Within? In colloquial terms, ST_Contains determines whether the first geometry given to it encloses the second geometry (whether the first contains the second). ST_Within determines whether the first geometry is completely inside the second (whether the first is within the second). What is the difference between ST_Contains and

Gdal Translate Creating Non-Standard File from netCDF

What is the difference between gdal_translate and Gdalwarp? Fundamental difference is that gdalwarp can reproject rasters between different coordinate reference systems but gdal_translate can’t. With gdal_translate it is more straight forward to translate data between the supported raster formats gdal.org/drivers/raster/index.html.  How to convert NC to TIFF? At the top of the screen, click on the

Error 001156. increasing the length of text limit

What is error 001156 in Arcmap? During the merging process, error ‘001156’ occurs when the feature classes or shapefiles that are selected for merging contain fields with conflicting field data types or lengths. For more information, please refer to ArcGIS Help: Understanding field properties, aliases, and table display options. What is the maximum length of

How to create an isotype map, where each symbol represents a number (eg. 50) from data in the attribute table?

What are the 4 types of map symbols? The four most popular thematic map types are choropleth, isopleth, proportional symbol, and dot maps. How do I use symbology in Arcgis? Connect symbol properties to attributes In the Contents pane, highlight a feature layer. On the Feature Layer tab, in the Drawing group, click Symbology .

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