[Qgis-user] Importing Cropland Data Layer

[Alex M]

Yes added the tif file, tried, drag & drop, the Browser Panel, and the
Add Raster menu.

In all cases it lines up correctly.

Thanks,
Alex

On 08/03/2018 01:46 PM, Emily Wine wrote:
> Alex,
> 
> How did you import the Cropland Data Layer into QGIS? Did you just import
> it as a tif file? And did it line up with the correct location on World
> Imagery?
> 
> Thanks,
> 
> Emily
> 
> On Fri, Aug 3, 2018 at 1:37 PM, Emily Wine <ehw38 at cornell.edu> wrote:
> 
>> Alex,
>>
>> I added World Imagery by pasting this code into the Python Console:
>>
>>
>> *qgis.utils.iface.addRasterLayer("http://server.arcgisonline.com/arcgis/rest/services/ESRI_Imagery_World_2D/MapServer?f=json&pretty=true","raster"
>> <http://server.arcgisonline.com/arcgis/rest/services/ESRI_Imagery_World_2D/MapServer?f=json&pretty=true%22,%22raster%22>)*
>>
>> Thanks so much,
>>
>> Emily
>>
>> On Fri, Aug 3, 2018 at 1:33 PM, Alex M <tech_dev at wildintellect.com> wrote:
>>
>>> Ah, it changed in QGIS 3. How did you add the World Imagery?
>>>
>>> Your CDL file and one I downloaded worked fine for me in QGIS 2 and QGIS
>>> 3.
>>>
>>> Thanks,
>>> Alex
>>>
>>> On 08/03/2018 01:16 PM, Emily Wine wrote:
>>>> Alex,
>>>>
>>>> I don't see any option to enable on the fly transformation. I've
>>> attached a
>>>> link showing what I see on my screen.
>>>>
>>>> Thanks,
>>>>
>>>> Emily
>>>>
>>>>  crs project properties.PNG
>>>>
>>>>
>>>> On Fri, Aug 3, 2018 at 1:03 PM, Alex M <tech_dev at wildintellect.com>
>>> wrote:
>>>>
>>>>> On 08/03/2018 12:50 PM, Alex M wrote:
>>>>>> On 08/03/2018 11:52 AM, Emily Wine wrote:
>>>>>>> Hi everyone!
>>>>>>>
>>>>>>> I am completely new to QGIS (and mapping in general), and I can't
>>> get my
>>>>>>> layers to line up.
>>>>>>>
>>>>>>> * QGIS Version: 3.2.1-BonnStandalone-installerWindows 10 64-bit*
>>>>>>>
>>>>>>> *All of my layers are in the USA Contiguous Albers Equal Area
>>>>> projection.*
>>>>>>>
>>>>>>> Currently, I have three layers:
>>>>>>> Site Coordinates
>>>>>>> World Imagery layer from ESRI
>>>>>>> Cropland Data Layer (CDL) from USDA-NASS CropScape
>>>>>>>
>>>>>>> My coordinates line up perfectly with the World Imagery layer.
>>> However,
>>>>> the
>>>>>>> CDL is floating somewhere out in the universe and won't line up.
>>>>>>>
>>>>>>> CDL Extent:
>>>>>>> 48885.0000000000000000,2818725.0000000000000000 :
>>>>>>> 117585.0000000000000000,2930685.0000000000000000
>>>>>>>
>>>>>>> I downloaded the CDL as a zipped file containing a .tif and a
>>>>> .vat.dbf.tif
>>>>>>> file.
>>>>>>> I unzipped the file and uploaded it to QGIS as a .tif file.
>>>>>>>
>>>>>>
>>>>>> Can you please provide a link to what you downloaded.
>>>>>>
>>>>>>> Is it possible that the georeferencing for the .tif file is encoded
>>> in
>>>>> the
>>>>>>> .vat.dbf.tif file? How do I import the Cropland Data Layer to QGIS?
>>>>>>>
>>>>>>
>>>>>> Nope, thats a value attribute database file.
>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> Emily
>>>>>>>
>>>>>>
>>>>>> It's very likely that QGIS is just reading the projection data
>>>>>> incorrectly. Check the Properties/Metadata tab for the layer to see
>>> what
>>>>>> projection QGIS assigned the layer.
>>>>>>
>>>>>> Was there a tfw with the data? that would contain georeference.
>>>>>>
>>>>>> Thanks,
>>>>>> Alex
>>>>>
>>>>> PS: Do you have projection on the Fly (OTF) enabled?
>>>>> https://docs.qgis.org/testing/en/docs/user_manual/working_
>>>>> with_projections/working_with_projections.html#define-on-
>>>>> the-fly-otf-crs-transformation
>>>>>
>>>>> -Alex
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>