Template:GMS Manipulate Raster Workflow: Difference between revisions

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:#Select a coverage (or create a new coverage) in the [[GMS:Map Module|Map]] module.
:#Select a coverage (or create a new coverage) in the [[GMS:Map Module|Map]] module.
:#Select the [[GMS:Feature Object Tool Palette|'''Create Arc''']] [[File:Tool CreateArc.png]] tool and draw a closed set of arcs.
:#Select the [[GMS:Feature Object Tool Palette|'''Create Arc''']] [[File:GMS Create Arc Tool.svg|16 px]] tool and draw a closed set of arcs.
:#While the arcs are selected, go to [[GMS:Feature Object Commands|''Feature Objects'' | '''Build Polygons''']].
:#While the arcs are selected, go to [[GMS:Feature Object Commands|''Feature Objects'' | '''Build Polygons''']].
:#Use the [[GMS:Feature Object Tool Palette|'''Select Polygon''']] [[File:Tool SelectPoly.png]] tool to select the polygon just created.
:#Use the [[GMS:Feature Object Tool Palette|'''Select Polygon''']] [[File:GMS Select Polygon Tool.svg|16 px]] tool to select the polygon just created.
:#Right-click the raster data in the Project Explorer and select [[GMS:GIS_Commands#GIS_Right-Click_Menu|''Convert To'' | '''Trimmed Raster''']].
:#Right-click the raster data in the Project Explorer and select [[GMS:GIS_Commands#GIS_Right-Click_Menu|''Convert To'' | '''Trimmed Raster''']].
:#Save a file with the [[GIS Conversion and Editing#Trimmed Raster|trimmed]] data.
:#Save a file with the [[GIS Conversion and Editing#Trimmed Raster|trimmed]] data.
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:# Right-click on one of the selected objects and select [[GMS:GIS_Commands#GIS_Right-Click_Menu|''Convert To'' | '''Merged Raster''']].  
:# Right-click on one of the selected objects and select [[GMS:GIS_Commands#GIS_Right-Click_Menu|''Convert To'' | '''Merged Raster''']].  
:# Save a file with the [[GIS Conversion and Editing#Merged Raster|merged]] data.
:# Save a file with the [[GIS Conversion and Editing#Merged Raster|merged]] data.
|}<noinclude>[[Category:GMS Workflow Templates]]</noinclude>
|}<noinclude>[[Category:GMS Workflow Templates|raster]]</noinclude>

Latest revision as of 23:02, 25 June 2024

1. Trim the raster.
  1. Select a coverage (or create a new coverage) in the Map module.
  2. Select the Create Arc GMS Create Arc Tool.svg tool and draw a closed set of arcs.
  3. While the arcs are selected, go to Feature Objects | Build Polygons.
  4. Use the Select Polygon GMS Select Polygon Tool.svg tool to select the polygon just created.
  5. Right-click the raster data in the Project Explorer and select Convert To | Trimmed Raster.
  6. Save a file with the trimmed data.
2. Resample a raster image.
  1. Right-click on the raster object in the Project Explorer and select the Convert To | Resampled Raster command.
  2. Use the Resample and Export Raster dialog to specify how to resample the image data values.
  3. Save the new resampled raster file.
3. Merge mulitple rasters.
  1. Select two or more raster items in the Project Explorer by holding down the Shift key while selecting each item.
  2. Right-click on one of the selected objects and select Convert To | Merged Raster.
  3. Save a file with the merged data.
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