| Re: IDL-Python Bridge: problem with the ENVI function. [message #92919 is a reply to message #92918] |
Wed, 23 March 2016 08:57   |
loreberna
Messages: 2
Registered: March 2016
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Junior Member |
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For Jim P.
The sintax msi_raster=e.OpenRaster(msi_file) generate the same lti_dsdk.dll error.
On Wednesday, March 23, 2016 at 3:37:48 PM UTC+1, Jim P wrote:
> On Wednesday, March 23, 2016 at 5:46:29 AM UTC-6, lore...@gmail.com wrote:
>> Hi all,
>> my aim is to use a script written in IDL, into python:
>>
>> IDL code:
>>
>> PRO PS_GS
>> ; Start the application
>> e = ENVI()
>> ;Generate the roi from a vector file
>> ; Open a vector file
>> file_vec = Filepath('Sic_Trapani.shp', ROOT_DIR = 'E:\mydirectory\')
>> vettore = e.OpenVector(file_vec)
>> ; Get the task from the catalog of ENVITasks
>> Task_VtoR = ENVITask('VectorRecordsToROI')
>> ; Define inputs
>> Task_VtoR.INPUT_VECTOR = vettore
>> ; Define outputs
>> Task_VtoR.OUTPUT_ROI_URI = Filepath('roi_roi.xml', ROOT_DIR = 'E:\mydirectory\')
>> ;Run the task
>> Task_VtoR.Execute
>> END
>>
>> The above code, launched into IDL command prompt, works correctly.
>> I want make a python script that:
>>
>> - option 1) launch the above idl .pro script
>> - option 2) use the IDL to Python Bridge sintax.
>>
>> In the first case, using the `subprocess.call("idldirectory\idl.exe")` command, i can open the IDL prompt into the windows command prompt. But i can not execute any IDL function like a simple `PRINT, 'hello'`.
>>
>> In the second case, i write the following poython code:
>>
>> import subprocess
>> from subprocess import call
>> import idlpy
>> from idlpy import IDL
>> e=IDL.ENVI()
>> msi_file = """IDL.Filepath(mydata.tif", ROOT_DIR = 'mydirectory')"""
>> msi_raster = IDL.OpenRaster(msi_file)
>>
>> The instruction `e=IDL.ENVI()` work correctly, in fact an Envi setion starts.
>>
>> The instruction `msi_file = """IDL.Filepath(mydata.tif", ROOT_DIR = 'mydirectory')"""` work correctly.
>>
>> My problem is with the OpenRaster instruction. It is an ENVI instruction and not an IDL instruction. So, IDL.OpenRaster does not work, and i do not have any solutions.
>>
>> I have modified the code like:
>> msi_raster=IDL.ENVI().OpenRaster(msi_file)
>> The result is the following error message:
>> Impossible find the access point
>> ??0LTISceneBuffer@LizardTech@@QEAA@AEBVLTIPixel@1@IIPEAPEAX@ Z
>> into the dynamic link library lti_DSDK.dll
>>
>> Googling i have found this site:
>> Malware scan of gdal110.dll
>> Any help or suggestion? Thanks
>
> You have a reference to the ENVI object in your variable "e". Use this syntax instead:
>
> msi_raster = e.OpenRaster(msi_file)
>
> Jim P
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