devid_smith asked . 2022-02-11

Why am I unable to import files into the Map Viewer in the

Why am I unable to import files into the Map Viewer in the Mapping Toolbox 2.1 (R14SP2) on Mac OS X 10.3.x?

I am using the Map Viewer in the Mapping Toolbox 2.1 (R14SP2) on Mac OS X 10.3.8. I attempt to import an image into the Map Viewer using the following steps:

1. Enter the following command at MATLAB command line to start the Map Viewer:

mapview

2. From the menu bar of the Map Viewer, select "File -> Import From File..."

However, instead of seeing the Import Data dialog box, I receive the following error at the command line:

 ??? No method 'returnExtensionString' with matching signature found for class 'com.mathworks.hg.util.dFilter'. 

 ??? Error while evaluating uimenu Callback.

mac , import , mapview , accelbuild_private , mapping

Expert Answer

John Michell answered . 2024-12-21 00:45:26

This bug has been fixed in Release 14 Service Pack 3 (R14SP3). For previous product releases, read below for any possible workarounds:

There is a bug in the Mapping Toolbox 2.1 (R14SP2) in the way that the Map Viewer handles importing files on Mac OS X 10.3.x.

To work around this issue, load the file into the workspace using functions such as IMREAD or GEOTIFFREAD, and then import from the workspace into the Map Viewer by selecting "File-> Import From Workspace -> Raster Data -> Image..." from the menu bar of the Map Viewer. For example, to import the "boston.tif" file in the "mapdemos" folder, use the following:

[boston_X, boston_cmap, boston_R, bbox] = geotiffread('boston.tif'); 

boston_rgb = ind2rgb8(boston_X, boston_cmap);

Open the "Import Image Data" dialog by selecting "File-> Import From Workspace -> Raster Data -> Image..." from the menu bar of the Map Viewer. In the dialog, import "boston_rgb" as the image and "boston_R" as the referencing matrix.

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