Replacing value of specific pixel using raster mask in ArcGIS Desktop?

How do I change the raster pixel value in ArcMap?

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 reclassify raster values in ArcGIS?

Click the Input raster dropdown arrow and click the raster with the values you want to reclassify. Click the Reclass field dropdown arrow and click the field you want to use. Click the Classify button. Click the Method dropdown arrow and choose a classification method to reclassify your input data.
 

How do I change raster values in ArcMap?

For ArcGIS version 10.0

1. In ArcMap, navigate to ArcToolbox > Spatial Analyst Tools > Map Algebra and open the Raster Calculator.
2. In the Raster Calculator, input the following syntax: Con(“InRaster” == -9999, 0 , “InRaster”) Note:
3. Specify a location for the output raster.
4. Click OK. Related Information.

How do I remove pixels from raster?

Using the raster painting erase tools

1. Click an erase tool on the Raster Painting toolbar. Click the Erase tool .
2. Drag the tool over the raster cells to erase them. When using the Magic Erase tool, connected cells are erased, although any connected cells that extended beyond the dragged box are not erased.

How do I change values in ArcGIS?

Replace values in a table cell

1. Click the Table menu and click Find and Replace.
2. Type the value to find in the Find text box.
3. In the Replace text box, type the new value.
4. Press Enter or click Replace.
5. Click Replace again to update the first encountered instance and locate the next one.
6. Click Close.

Can you edit a raster image?

With software like Adobe Photoshop, you can edit individual pixels within a raster file to change the appearance of a photograph. However, each raster image is limited to its individual dimensions and number of pixels, which affects its size and resolution.

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.

Can I Reproject a raster?

Reproject Rasters



We can use the projectRaster function to reproject a raster into a new CRS. Keep in mind that reprojection only works when you first have a defined CRS for the raster object that you want to reproject. It cannot be used if no CRS is defined.
 

What is reclassification in raster data?

Reclassification is the process of reassigning one or more values in a raster dataset to new output values. The Reclassify tool is available in the Spatial Analyst extension in both ArcMap and ArcGIS Pro.
 

How do I change the size of a raster cell?

You can control the default size of the cells in your output rasters.



Other options available:

1. Click the Spatial Analyst dropdown arrow and click Options.
2. Click the Cell Size tab.
3. Click the Analysis cell size dropdown arrow and choose the appropriate option.
4. Click OK.

Can you increase the resolution of raster?

There are several tools available that alter the resolution of an existing raster. If you have one raster at a finer resolution than other rasters, you may want to resample the finer resolution raster to the same resolution of the coarser ones, making all the raster datasets the same resolution.

How do you get pixel values in ArcGIS?

In ArcGIS Pro, select the navigation button from the Map tab and click on a pixel. Values for each visible band will be returned.