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Questions tagged [modis-reprojection-tool]

Modis reprojection tool (MRT) enables users to read data files in HDF-EOS format (MODIS Level-2G, Level-3, and Level-4 land data products), specify a subset or specific science data sets as input to processing, perform geographic transformation to a different coordinate system/cartographic projection, and write the output to file formats other formats. It comes in Linux, Windows, and Mac flavors with Linux having a 64-bit option. It requires JRE.

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126 views

How big is a MODIS 250m pixel in reality?

How big is a MODIS 250m pixel in reality? This appears to be a question that contains its own answer, but I have several reasons to doubt that the pixel size is actually 250m x 250m: I downloaded ...
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23 views

Will I get the same area results using different equal area projections in QGIS?

If I want to calculate areas with $area in QGIS in metric units (sq. unit) of a vector layer containing polygons represented in WGS84 lat/lon, I must reproject the layer onto an equal-area projection. ...
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2answers
105 views

Reproject MODIS data using R (results in NAs or no spatial extent)

I am using GLASS albedo data stored here for pre-2000 (AVHRR) data and here for post-2000 data (MODIS). My end goal is to create a raster stack of each month that contains white sky albedo data from ...
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1answer
72 views

MODIS 04_L2 projection transformation

Trying to extract MODIS Deep Blue Aerosols from a number of years. I have managed to open the HDF files in QGIS and ArcMap; however, have failed to reproject out of the sinusoidal grid so that the ...
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1answer
135 views

Batch reprojecting large number of MODIS files

I am currently trying to reproject a large number (~14.000) of .hdf - files from MODIS Aqua/Terra from MODIS sinusoidal to something more popular (e.g. WGS1984). The files can be obtained from LAADS. ...
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135 views

MODIS R Connection error

When i'm running my MODIS Download R script on my Windows, i'll get this error : ############################ Remote connection failed! Re-try: 49 Getting file from: LPDAAC #########################...
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53 views

MODIS Landsat overlapping

I have two Lands Surface Temperature images, one from Landsat 7 and the other one is from MODIS, both for the same day. After projecting MODIS to UTM WGS84 the two images are slightly shifted, i.e. ...
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1answer
83 views

MODIS getHdf : Error in .local(product, …) : Problems with online connections try a little later

I have a big problem today, i have this error while i'm executing my script : Error in .local(product, ...) : Problems with online connections try a little later My script : b1 <- getHdf(...
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1answer
250 views

MODIS data for entire Earth Surface with ModisDownload in R

I am trying to use the ModisDownload function from the rts package to download, mosaic and reproject NDVI data from MODIS for the entire Earth surface. I have successfully done that for a subset ...
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714 views

MODIS Projection Google Earth Engine

Why if I applied a code over a MODIS collection and then I download an image, the image is in WGS projection? The code is the next: // Simple regression of year versus NDVI. // Define the start date ...
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201 views

How to get tile number of sinusoidal MODIS product from lat/long?

I'm using this tool to get the tile number (horizontal/vertical) from lat/long. Is there any code,preferably python, to get the tile number ? I tried using this tool. But it gives wrong tile number. ...
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183 views

ModisDownload - doubts when using MRT tool

I am using the incredible MODISDownload function from the rts package in R to download NDVI data on vegetation index in Africa. I have two questions. I am using the latest version of the package ...
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1answer
365 views

How to mosaic multiple modis tiles of several dates using mrt tool?

How to mosaic multiple tiles of Modis MOD13Q1 in loop. I have about 395 files of each tile from a total of four tiles. I am using linux operating system and therefore use shell script. I need to ...
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197 views

Binary cloud Mask from MODIS (MOD35_L2) using MRTSWATH

When the MRTSwath tool is fed with MOD35_L2 cloud mask HDF file, the tool provides six tif images (b0 till b5). Each tif file has 8 bit information. Are these 6 images somehow indicating the 48 bits (...
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1answer
133 views

MODIS L1B reprojection and mosaic problem

I have been using MODIS L1B file to retrieve water vapor content. However, my study area is exactly between the gap between two images,just like this: I have tries ENVI MCTK extensions, HEG TOOLS, ...
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59 views

Unable to produce tif files from two stitched modis tiles, i could not extract my bands of interest which are EVI and pixel reliability

Hi i am trying to stitch two modis tiles and also extract my bands of interest which are EVI and pixel reliability. the steps i took are as follows. loaded the files into ModisTool selected my bands ...
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20 views

Unable to eliminate Pacific gap

I am trying to project APJ specific meridian on -180, under WGS84/PDC Mercator always produces gap as attached. Can you help explain how to manage an overlapped projection?
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1answer
578 views

Modis Reprojection Tool “Input header file, Error in module”

I am trying to run Modis Reprojection tool for conversion from HFD to Geotiff for Modis terra Level 2 data 3KM swath i.e "MOD04_3K". Every time I try to input a file I get the following error: Error ...
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1answer
283 views

Modis Reprojection tool, BAD or missing Total_BANDS values

I am trying to convert Modis terra Level 2 data 3KM swath i.e "MOD04_3K" from HDF to GeoTiff. I am using Modis Swath tool. When I input my file it gives an error saying "BAD or missing Total_BANDS ...
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1answer
146 views

How to extract EVI from MOD13Q1 with MRTBatch?

I want to extract EVI from Modis MOD13Q1 from some scene of images. I use ModisTool and MRTBatch. I have selected ONLY 250m_16_days_EVI as selected bands. All is correct until I save the parameter ...
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45 views

How can I create a polygon(filled polygon) from a single pixel stored in a hdf file(MODIS)?

I'm working with MODIS data to get EVI. I'm following this question to get the required values of EVI. The hdf file has 4800x4800 rows/columns (250m). I can get the X,Y pixel coordinates and the ...
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4answers
604 views

ModisDownload error downloading only portion of hdf files

I am having problems with ModisDownload recently that I have not had when using it so far. I dowloaded, reprojected and mosaiced modis images about two months ago successfully, despite some errors ...
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1answer
335 views

MODIS Reprojection Tool - setting projection parameters to UTM Zone South

The MODIS Reprojection Tool (MRT) allows users to input a UTM zone in the projection parameters, yet it defaults to North (e.g., UTM Zone 20N). Is it possible to edit the projection parameters so that ...
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1answer
187 views

Where can I find or how can I create my .prm files for MODIS Reprojection Tool?

I am tying to reproject my images into ggrs87 and I can't find a .prm file to do that is there a place where I can find such a file or a document that can guide me through my problem?I also thought ...
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1answer
1k views

Recommendation for getting TIF raster from modis HDF, for processing in R

I've downloaded a set of modis mod13q1 HDF files, e.g. MOD13Q1.A2016097.h11v05.006.2016114040325.hdf. I'd like to load the 250m_16_days_EVI and 250m_16_days_pixel_reliability bands into R as rasters. ...
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1answer
49 views

MODIS emissivity extraction using ArcGIS Desktop?

I am doing validation of 40 Landsat images.now I need two spectral emissivities of the 8-day MODIS land surface temperature and emissivity product (MOD11A2).and I have to extract emissivities for ...
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1answer
290 views

How to reproject MODIS L2 data with lat/lon

I downloaded the MODIS level 2 data for precipitable water vapor (MOD05_L2.A2015193.1535.006.2015194020321.hdf) and the corresponding geolocation file (MOD03.A2015193.1535.006.2015193213734.hdf). When ...
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1answer
362 views

How to modify parameter file in MRTSwath for bulk data processing?

I need to create a parameter file for bulk data processing in MRTSwath Tool. I have the basic script written but there is issue in modifying it so that it automatically picks the input files from a ...
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1answer
647 views

How to mosaic multiple MODIS images of Multiple months using MRT tool?

I have monthly MODIS images for 2001-2014. For few images mosaicing with reprojection can be done using MRT tool. However, for large number of images it's a cumbersome process. There are multiple ...
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2answers
2k views

MODIS-Sphere to WGS84 coordinate system in ArcGIS [duplicate]

I want to overlay two global raster datasets on land use which use different coordinate systems (MODIS-Sphere & WGS84) using ArcGIS Desktop. There seems to be no direct transformation option from ...
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1answer
213 views

Dose pyModis work with “ModisSwathTool” too?

I am going to use pyModis to work with MODIS data, Since I am quite new to Python, before starting to learn and use pyModis, I have a question for those who are familiar and using pyModis, right now....
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1answer
723 views

Switch an R script from “MODIS Reprojection Tool” to “ModisSwathTool”

This R script works with MRT (MODIS Reprojection Tool), and its performance is unbelievable for land data. The only problem is when you use Atmospheric data from Modis, like "MOD05_L2". The problem ...
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1answer
247 views

MODIS resolution missmatch between MRT and GDAL processing

I've been using MRT (Modis Reprojectin tool) to extract EVI bands into a geotiff with geographic coordinates (epsg4326). I did not specify an output resolution to MRT. The output from MRT had a ...