How do I delete a raster value in ArcGIS?

In ArcMap, in the table of contents, right-click the raster layer from which you want to remove the background and click Properties. Click the Symbology tab and click Unique Values from the Show list. Click the symbol that represents background (usually with a value of zero). Click Remove.

How do I change the NoData value in ArcGIS?

How to: Set raster values to NoData easily in ArcGIS 10

  1. Run the Spatial Analyst -> Conditional -> Set Null tool.
  2. Set the input conditional raster to be the raster dataset which you want to change.
  3. Set the expression to VALUE = 9999 where 9999 is the value that you want to replace with NoData.

How do I remove negative values from DEM in ArcGIS?

Answer

  1. Open the Image Metadata tool (ERDAS IMAGINE Home tab > Information group > Metadata). Select your DEM (File > Open). Display the Set or Clear NoData Value dialog (Edit > Set/Clear NoData Value).
  2. Create a spatial model to recalculate the elevation values. The model statement can be very simple:

What is NoData value?

A nodata value simply is a pixel value in a vector or raster map representing no information. It is not to be confused with a pixel value of 0 (zero). Accumulations of neighboring pixels result in so called “nodata-areas”.

How do I remove data from raster?

There are two ways to define the rasters that will be removed….Use a query to define the rasters that you want removed.

  1. Optionally, select the rasters you want to remove from the mosaic dataset.
  2. Open the Remove Raster From Mosaic Dataset tool.
  3. Optionally, define a query to select the rasters you want removed.
  4. Click OK.

How do I edit raster data in ArcGIS?

Start an edit session Add the data you want to edit as a layer in a map. Select the raster layer in the Contents Pane. Go to the Imagery tab and click the Pixel Editor button found in the Tools group. When you start an edit session you will get a new Pixel Editor tab containing all the tools to edit your data.

How do I change a cell value to a NoData?

How to change NoData cells to a value

  1. Identify the NoData locations with the IsNull tool: Input raster : InRas1. Output raster : OutNullRas.
  2. Use Con on the results to give the original NoData areas a value: Input conditional raster : OutNullRas. Expression : “Value = 1” Input true raster or constant value : 100.

How do I change the raster value in ArcGIS pro?

Start an edit session Select the raster layer in the Contents Pane. Go to the Imagery tab and click the Pixel Editor button found in the Tools group. When you start an edit session you will get a new Pixel Editor tab containing all the tools to edit your data. There are 3 unique experiences for editing raster data.

How do you get rid of bad values?

7 Ways to Get Rid of Negative Energy and Become Positive

  1. Be Grateful for Everything.
  2. Laugh More, Especially at Yourself.
  3. Help Others.
  4. Direct Your Thinking Away From Negative Energy.
  5. Surround Yourself with Positive People.
  6. Turn Negative Energy Into Positive Action.
  7. Take Full Responsibility.

How do I remove values from raster?

Click the Raster Cleanup menu on the ArcScan toolbar and click Start Cleanup. Click Erase Selected Cells to erase the cells or Fill Selected Cells to paint over the selected cells with the foreground color.

What does NoData mean in Arcgis?

Every cell location in a raster has a value assigned to it. When information is unavailable for a cell location, the location will be assigned as NoData. NoData means that not enough information is known about a cell location to assign it a value.

How do I convert Mosaic to new raster tool?

Open the Mosaic To New Raster tool by navigating to ArcToolbox > Data Management Tools > Raster > Raster Dataset.

  1. Insert the raster files.
  2. Select the output location.
  3. Specify a name and extension for the output.
  4. Specify the pixel type.
  5. Specify the number of bands.