ArcGIS Pro – Importing MXD Programmatically

arcgis-desktoparcgis-proarcmaparcpymxd

I have a problem with importing an MXD file to ArcGIS Pro programatically. I try to do this by using the following arcpy.mp code:

import arcpy
aprx = arcpy.mp.ArcGISProject(r"C:\test\blank.aprx")
aprx.importDocument(r"C:\test.mxd)
aprx.saveACopy(r"C:\test\filled.aprx")

When I launch ArcGIS Pro and open the resulting project file, no items in Contents can be visible. I tried to load the MXD file programatically into opened ArcGIS Pro instance by using the Python frame – also no items are visible in Contents after loading. For a final test, I tried to load this MXD by using GUI – and this works perfectly, all layers are visible in Contents pane when loaded.

What am I doing wrong?

Best Answer

To follow up on my comment, the code you posted does work, but does not automatically open the newly imported map.

I checked with members of the arcpy.mp team and at the time of writing there is no function or option on importDocument to automatically open the imported document. In time the functions might be enhanced (I've passed this feedback to the team)

You could investigate using the ProSDK. I know in the SDK there are options to open maps from a Project. This sample here might do what you want. Note, the addins are "inside the app", thus its a singular workflow. Where the arcpy.mp in a script is a more automated workflow (unless you wrote code to automate over multiple aprx/mxds). Depending on your situation one method might be more preferable than the other (arcpy.mp vs. ProSDK).

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[GIS] Loading an extension-related mxd in ArcMap by double clicking it

Ok, this is the most simplistic extension with persistence. Works as expected, see the comments.

[ComVisible(true)]
[ProgId("Test.TestExtension")]
[Guid("FD5E7EA9-DEFC-4AA5-81C8-A378BFA4D506")]
[ClassInterface(ClassInterfaceType.None)]
public class TestExtension : IExtension, IPersistVariant
{
    private IApplication _application;

    public void Startup(ref object initializationData)
    {
        _application = (IApplication)initializationData;
    }

    public void Shutdown()
    {
        _application = null;
    }

    public string Name
    {
        get { return GetType().FullName; }
    }

    public void Load(IVariantStream stream)
    {
        // when a document, which was previously saved with this extension (i.e. IPersistVariant.Save implemented
        // here was called with that document), is opened, this method gets called

        // it does not matter whether the document was opened from within ArcMap or by double-clicking it in the shell
    }

    public void Save(IVariantStream stream)
    {
        // this method gets called whenever a document is saved
    }

    public UID ID
    {
        get { return new UIDClass {Value = GetType().GUID.ToString("B")}; }
    }

    #region COM Registration Function(s)

    [ComRegisterFunction]
    [ComVisible(false)]
    static void RegisterFunction(Type registerType)
    {
        var regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
        ESRI.ArcGIS.ADF.CATIDs.MxExtension.Register(regKey);
    }

    [ComUnregisterFunction]
    [ComVisible(false)]
    static void UnregisterFunction(Type registerType)
    {
        var regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
        ESRI.ArcGIS.ADF.CATIDs.MxExtension.Unregister(regKey);
    }

    #endregion
}

[GIS] Creating Index Map for ArcGIS Pro Map Series

You need to resize your index frame further. The reason your labels look messy is because it's trying to label features off the side of the frame. If you resize so none of these features are visible, it won't try to label them, and your labels will look much tidier.

Each time you resize your index frame you will need to reset your desired scale for the frame, as ArcGIS Pro seems to like zooming to make the same extent visible rather than keeping the scale the same. There may be an option to keep the scale when resizing, but I haven't been able to find that yet.

Other than that, your process looks fine - when I step through my different pages, the index frame updates to centre on the current page, and the rest of the grids label fine.

Best Answer

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[GIS] Loading an extension-related mxd in ArcMap by double clicking it

[GIS] Creating Index Map for ArcGIS Pro Map Series

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