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Right, I didn't save the mxd before I ran the code. Thanks.
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03-04-2015
11:59 AM
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Thanks Jake, it worked on my data too! Is there a way to get the polygons to show up too, since its parcel boundaries - need that displayed as well. again, thanks for tolerating my neediness.
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03-04-2015
11:29 AM
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Jake, Thanks again for the timely response. I'm still getting blank JPEGs. I've taken a subset of my data and removed any special characters in the rows within the specified fieldname (Unit1) The attribute table is simply "FID", "Shape","Unit1", "Hectares", "Shape_Leng", "Shape_Area" "Unit1" is the field name I want to iterate through and also will be used to name the JPEGs, ex: "CT001GM.jpg" FID Shape Unit1 Hectares Shape_Leng Shape_Area 0 Polygon CT001GM 0 0.084042 -0.000311 import time import arcpy from arcpy import env from arcpy import mapping env.workspace = r"N:\NWRS\DNR\Coastal_Network" mxd = arcpy.mapping.MapDocument(r"N:\NWRS\DNR\Coastal_Network\IWMM.mxd") df = arcpy.mapping.ListDataFrames(mxd)[0] fc = r"N:\NWRS\DNR\Coastal_Network\Test2.shp" count = str(arcpy.GetCount_management(fc)) x = 0 while x < int(count) + 1: rows = arcpy.SearchCursor(fc, "FID = " + str(x)) for row in rows: xmin = row.shape.extent.XMin ymin = row.shape.extent.YMin xmax = row.shape.extent.XMax ymax = row.shape.extent.YMax filename = row.getValue("Unit1") # this should be the attribute field name correct? df = arcpy.mapping.ListDataFrames(mxd)[0] newExtent = df.extent newExtent.XMin, newExtent.YMin = xmin, ymin newExtent.XMax, newExtent.YMax = xmax, ymax df.extent = newExtent time.sleep(60) mapping.ExportToJPEG(mxd,r"N:\NWRS\DNR\Coastal_Network\Test_JPEGS\{0}.jpg".format(filename)) print "successfully printed JPG" x += 1
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03-04-2015
06:58 AM
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Hi Jake, Thanks for the script, its almost doing exactly what I want it to do. Thanks Darren for your correction. I've got the script to run and iterate through each row and produce a JPEG. However, the JPEGs are all blank - just a white space JPEG of 23 KB. I was thinking that the iteration is not allowing Arc to redraw the map and taking a snapshot of a blank dataframe before the orthophoto and polygons had time to draw. I added a "time.sleep" of 20 seconds (didn't work), so I increased to 60 sec (didn't work). I've also tried exporting to PDFs, but same issue. Any ideas??? Nate Here's the Script: import time import arcpy from arcpy import env from arcpy import mapping mxd = arcpy.mapping.MapDocument(r"N:\Data\My_map.mxd") df = arcpy.mapping.ListDataFrames(mxd)[0] fc = r"N:\Data\IWMMunits.shp" count = str(arcpy.GetCount_management(fc)) x = 0 while x < int(count) + 1: rows = arcpy.SearchCursor(fc, "FID = " + str(x)) for row in rows: xmin = row.shape.extent.XMin ymin = row.shape.extent.YMin xmax = row.shape.extent.XMax ymax = row.shape.extent.YMax filename = row.getValue("Unit_1") df = arcpy.mapping.ListDataFrames(mxd)[0] @ newExtent = df.extent newExtent.XMin, newExtent.YMin = xmin, ymin newExtent.XMax, newExtent.YMax = xmax, ymax df.extent = newExtent time.sleep(60) mapping.ExportToJPEG(mxd,r"N:\Data\Test_JPEGS\{0}.jpg".format(filename)) print "successfully printed JPG" x += 1
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03-04-2015
05:12 AM
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Hi Curtis, I'm new to Python, but this is exactly what I need to do - run through my shapefile (poly) and zoom to each polygon within and export to JPEG. I've copied your script, but keep getting the attribute error 'Extent' object has no attribute 'Xmin'. My shapefile consists of 4 fields (FID, Shape, Unit, Hectares), am I missing something? Nate
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03-03-2015
10:57 AM
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hi Jake, I'm also pretty new to Python, but iterating through many polygons within my shapefile and exporting to JPEGs is exactly what I need to do. I've copied your script, but I keep coming up with the attribute error 'Extent' object has no attribute 'Xmin'. My shapefile only has 4 fields (FID, Shape*, Unit, Hectares), am I missing something here? Any help is good help. Thanks Nate
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03-03-2015
10:53 AM
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