I'm not a python script writer thus the question. What's needed is a script that will do the following: * Run a definition query for each record in a polygon shapefile called "LineBuf.shp" on an attribute field named "LINENUM". (There are 441 unique records). * For each unique polygon, run a raster clip on "MN_DEM3second", the raster dataset. The option to "Use Input Features for Clipping Geometry" should be selected. * The file name of the resultant raster layer (in ESRI grid format) for each record should be the value of "LINENUM" (from the original definition query). * The script should create 441 raster layers.

Thanks for all your help, Jake!

You will not want to create a mosaic dataset to get this code to work. Change the following: raster = r"C:\temp\clips\SampleData\Data.gdb\DEM.tif" to: raster = r"C:\temp\clips\SampleData\DEM.tif"

Thanks for the sample data. Here's the error message and script using the sample data. I created a mosaic dataset under Data.gdb for the clipped rasters. Not sure if that is OK. Creating Feature Layer for 1 Clipping raster Runtime error Traceback (most recent call last): File " ", line 14, in File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\management.py", line 13594, in Clip raise e ExecuteError: ERROR 000732: Input Raster: Dataset C:\temp\clips\SampleData\Data.gdb\DEM.tif does not exist or is not supported import arcpy arcpy.env.overwriteOutput = 1 shapefile = r"C:\temp\clips\SampleData\Data.gdb\Linebuf_geo" raster = r"C:\temp\clips\SampleData\Data.gdb\DEM.tif" with arcpy.da.SearchCursor(shapefile, "LineNum") as cursor: for row in cursor: print("Creating Feature Layer for " + str(row[0])) arcpy.MakeFeatureLayer_management(shapefile, "fLayer", "LineNum = '" + row[0] + "'") desc = arcpy.Describe("fLayer") extent = str(desc.extent.XMin) + " " + str(desc.extent.YMin) + " " + str(desc.extent.XMax) + " " + str(desc.extent.YMax) print("Clipping raster") arcpy.Clip_management(raster, extent, r"C:\temp\clips\SampleData\Data.gdb\LineNum_Clips\DEM_" + str(row[0]), "fLayer", "", "ClippingGeometry", "MAINTAIN_EXTENT") del cursor

nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

Batch process to Clip Raster by Polygon

JimFritz

I'm not a python script writer thus the question. What's needed is a script that will do the following:

Run a definition query for each record in a polygon shapefile called "LineBuf.shp" on an attribute field named "LINENUM". (There are 441 unique records).
For each unique polygon, run a raster clip on "MN_DEM3second", the raster dataset. The option to "Use Input Features for Clipping Geometry" should be selected.
The file name of the resultant raster layer (in ESRI grid format) for each record should be the value of "LINENUM" (from the original definition query).
The script should create 441 raster layers.

Finde mehr Beiträge mit dem Tag

Accepted answers

All comments

JimFritz

Thanks, Jake and Dan but now I'm getting this message:

Runtime error Traceback (most recent call last): File "<string>", line 12, in <module> File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\management.py", line 13594, in Clip raise e ExecuteError: ERROR 000622: Failed to execute (Clip). Parameters are not valid. ERROR 000800: The value is not a member of ClippingGeometry | NONE.

>>>

Probably something easy with the ClippingGeometry arguments?

Jim

jskinner

You can replace the following line:

arcpy<SPAN class="">.</SPAN>MakeFeatureLayer_management<SPAN class="">(</SPAN>shapefile<SPAN class="">,</SPAN> <SPAN class="">"fLayer"</SPAN><SPAN class="">,</SPAN> <SPAN class="">"LINENUM = '"</SPAN> <SPAN class="">+</SPAN> row<SPAN class="">[</SPAN><SPAN class="">0</SPAN><SPAN class="">]</SPAN><SPAN class=""> + "'")</SPAN><CODE>arcpy<SPAN class="">.</SPAN>MakeFeatureLayer_management<SPAN class="">(</SPAN>shapefile<SPAN class="">,</SPAN> <SPAN class="">"fLayer"</SPAN><SPAN class="">,</SPAN> <SPAN class="">"LINENUM = "</SPAN> <SPAN class="">+</SPAN> row<SPAN class="">[</SPAN><SPAN class="">0</SPAN><SPAN class="">]</SPAN><SPAN class="">)

with

</SPAN>

Or Dan Patterson's approach (he was missing single quotes around the {}:

exp = "LineNum = '{}'".format(row[0])

arcpy.MakeFeatureLayer_management(shapefile, "fLayer", exp)

DanPatterson_Retired

exp = "LineNum = {}".format(roww[0])

arcpy.MakeFeatureLayer_management(shapefile, "fLayer", exp)

maybe?

For reference

/blogs/dan_patterson/2016/08/14/script-formatting

since you have no line numbers

JimFritz

Jake,

Many thanks for script but I get the following error message. Note that I changed the folder paths to the shapefile and raster inputs. The field "LineNum" is a text field if that is an issue.

>>> import arcpy

arcpy.env.overwriteOutput = 1

shapefile = r"S:\General-Offices-GO-Trans\SLR-Mapping\GIS_Projects_2018\Smart_T_Line_Model\geodata\LineBuf.shp"

raster = r"S:\General-Offices-GO-Trans\SLR-Mapping\GIS_Projects_2018\Smart_T_Line_Model\geodata\MN_DEM3second"

with arcpy.da.SearchCursor(shapefile, "LineNum") as cursor:

for row in cursor:

print("Creating Feature Layer for " + str(row[0]))

arcpy.MakeFeatureLayer_management(shapefile, "fLayer", "LineNum = " + row[0])

print("Clipping raster")

arcpy.Clip_management(raster, "", r"S:\General-Offices-GO-Trans\SLR-Mapping\GIS_Projects_2018\Smart_T_Line_Model\geodata\DEM_" + str(row[0]), "", "fLayer", "MAINTAIN_EXTENT")

del cursor

Creating Feature Layer for 0517

Runtime error Traceback (most recent call last): File "<string>", line 10, in <module> File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\management.py", line 6520, in MakeFeatureLayer raise e ExecuteError: ERROR 000358: Invalid expression LineNum = 0517 Failed to execute (MakeFeatureLayer).

>>>

jskinner

Try the following:

<SPAN class="keyword token">import</SPAN> arcpy
arcpy<SPAN class="punctuation token">.</SPAN>env<SPAN class="punctuation token">.</SPAN>overwriteOutput <SPAN class="operator token">=</SPAN> <SPAN class="number token">1</SPAN>

shapefile <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"C:\temp\LineBuf.shp"</SPAN>
raster <SPAN class="operator token">=</SPAN> r<SPAN class="string token">"C:\temp\MN_DEM3second"</SPAN>

<SPAN class="keyword token">with</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>da<SPAN class="punctuation token">.</SPAN>SearchCursor<SPAN class="punctuation token">(</SPAN>shapefile<SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"LINENUM"</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">as</SPAN> cursor<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">for</SPAN> row <SPAN class="keyword token">in</SPAN> cursor<SPAN class="punctuation token">:</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="string token">"Creating Feature Layer for "</SPAN> <SPAN class="operator token">+</SPAN> str<SPAN class="punctuation token">(</SPAN>row<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy<SPAN class="punctuation token">.</SPAN>MakeFeatureLayer_management<SPAN class="punctuation token">(</SPAN>shapefile<SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"fLayer"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"LINENUM = "</SPAN> <SPAN class="operator token">+</SPAN> row<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="string token">"Clipping raster"</SPAN><SPAN class="punctuation token">)</SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy<SPAN class="punctuation token">.</SPAN>Clip_management<SPAN class="punctuation token">(</SPAN>raster<SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> r<SPAN class="string token">"C:\temp\DEM_"</SPAN> <SPAN class="operator token">+</SPAN> str<SPAN class="punctuation token">(</SPAN>row<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">""</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"fLayer"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"MAINTAIN_EXTENT"</SPAN><SPAN class="punctuation token">)</SPAN>

<SPAN class="keyword token">del</SPAN> cursor<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

Nimm an der Unterhaltung teil

Angemeldete Mitglieder können Beiträge verfassen, Updates folgen und mehr. Neu hier? Registriere ein kostenloses Konto.

Schnellzugriffe

Community Help
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.