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ExportToPNG error

RobertRogers

I have this code, which is basically copied from the online help:

<SPAN class="keyword token">import</SPAN> arcpy
mxd <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>MapDocument<SPAN class="punctuation token">(</SPAN><SPAN class="string token">"CURRENT"</SPAN><SPAN class="punctuation token">)</SPAN>
arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>ExportToPNG<SPAN class="punctuation token">(</SPAN>mxd<SPAN class="punctuation token">,</SPAN> r<SPAN class="string token">"D:\t.png"</SPAN><SPAN class="punctuation token">)</SPAN>‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

It generates this error:

Runtime error 
Traceback (most recent call last):
 File "<string>", line 1, in <module>
 File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\utils.py", line 182, in fn_
 return fn(*args, **kw)
 File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\mapping.py", line 1228, in ExportToPNG
 layout.exportToPNG(*args)
 File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\utils.py", line 182, in fn_
 return fn(*args, **kw)
 File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\arcobjects\mixins.py", line 586, in exportToPNG
 return self._arc_object.exportToPNG(*args)
AttributeError: PageLayoutObject: Error in parsing arguments for ExportToPNG
<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>

Exporting the map using file, export, works fine. I tried making the path on C: and that fails too. I tried using exportToJPEG and got the same sort of error.

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RobertRogers

Things are working now.

I decided to upgrade from 10.3 to 10.6. After quitting all my running programs and starting the install process, the installer complained that ArcMap was still running. Task manager showed that it was still running, and using 13% of the CPU.

I suspect that the phantom ArcMap instance must have been doing something that was causing the problems. I should have taken my own advice and restarted the PC and I bet it would have worked from the start!

RobertRogers

Yes. Exporting using the menus continues to work fine.

RandyBurton

And file, export still works? Hmmm...

RobertRogers

Thanks.

I tried "PAGE_LAYOUT" and it gave similar results. I also tried not providing anything and that didn't work either.

The wildcard filter is *Income, and lry reports that it is Median Household Income, so I think the wildcard is working properly.

RobertRogers

It is an empty folder.

I didn't try ExportToPDF but I did try ExportToJPEG and it gave me the same sorts of errors.

ChrisPedrezuela

if you do not need to specify a dataframe for your output, just try replace df variable with string "PAGE_LAYOUT".

if you are specifying a dataframe, make sure your wildcard string to filter the dataframe name is correctly spelled? maybe a typo error or an extra white space at the end of the dataframe name?

RandyBurton

By any chance are you trying to overwrite an existing PNG? Also, there is a similar tool to export to PDF (arcpy.mapping.ExportToPDF). If you try it, do you also get an error?

RobertRogers

Thanks again.

I forgot to mention that I have:

df = arcpy.mapping.ListDataFrames(mxd, "Layers")[0]<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

That part seems to be working because if I do

lyr <SPAN class="operator token">=</SPAN> arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>ListLayers<SPAN class="punctuation token">(</SPAN>mxd<SPAN class="punctuation token">,</SPAN><SPAN class="string token">"*Income"</SPAN><SPAN class="punctuation token">,</SPAN>df<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN>‍
<SPAN class="keyword token">print</SPAN> lyr<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

Then it outputs the full name of the layer: "Median Household Income"

DanPatterson_Retired

In the first case, the 'AttributeError' was associated with the PageLayoutObject and in the second it was the DataFrameObject, it is as if the object isn't being obtained suggesting that you need more than the *.mxd name... see line 2 below

mxd = arcpy.mapping.MapDocument(r"C:\Project\Project.mxd") 
df = arcpy.mapping.ListDataFrames(mxd, "Transportation")[0] 
arcpy.mapping.ExportToPNG(mxd, r"C:\Project\Output\ProjectDataFrame.png", df, df_export_width=1600, df_export_height=1200, world_file=True) <SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

RobertRogers

Thanks.

I tried this code after creating a \test folder:

arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>ExportToPNG<SPAN class="punctuation token">(</SPAN>mxd<SPAN class="punctuation token">,</SPAN> r<SPAN class="string token">"D:\test\t.png"</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

I get the same error. I added "ALL APPLICATION PACKAGES" write permissions for the test folder but that didn't help.

D is a physical drive in my PC. All my data is stored on it; I don't have any trouble writing to it using the arcMap menus.

I'm not sure if this is significant but if I run this code:

arcpy<SPAN class="punctuation token">.</SPAN>mapping<SPAN class="punctuation token">.</SPAN>ExportToPNG<SPAN class="punctuation token">(</SPAN>mxd<SPAN class="punctuation token">,</SPAN> r<SPAN class="string token">"D:\test\t.png"</SPAN><SPAN class="punctuation token">,</SPAN> df<SPAN class="punctuation token">)</SPAN>‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN></SPAN>

Then I get a slightly different error:

Runtime error 
Traceback (most recent call last):
 File "<string>", line 1, in <module>
 File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\utils.py", line 182, in fn_
 return fn(*args, **kw)
 File "c:\program files (x86)\arcgis\desktop10.3\arcpy\arcpy\mapping.py", line 1228, in ExportToPNG
 layout.exportToPNG(*args)
AttributeError: DataFrameObject: Error in parsing arguments for ExportToPNG<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN>

DanPatterson_Retired

The arcmap help topic for the current version of arcmap has a different code sample. Perhaps the 10.3 version was incorrect ExportToPng help topic, But as Randy suggests it is more likely that you aren't allowed to write to the 😧 drive or it may be a USB drive or something not quite 'real'. Try putting it in a folder in the drive r'D:\test\t.png' for instance

RandyBurton

If you attempt to save the PNG to a location that you do not have permission, ArcMap will give an error like the one you received.

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