Commit bcaa8b03 authored by Cresson Remi's avatar Cresson Remi
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DOC: improve documentation in README.md

parent 024f9143
...@@ -51,7 +51,7 @@ This application performs the extraction of patches in images from a vector data ...@@ -51,7 +51,7 @@ This application performs the extraction of patches in images from a vector data
The OTB sampling framework can be used to generate the set of selected points. The OTB sampling framework can be used to generate the set of selected points.
After that, you can use the **PatchesExtraction** application to perform the sampling of your images. After that, you can use the **PatchesExtraction** application to perform the sampling of your images.
We denote _input source_ an input image, or a stack of input images (of the same size !). We denote _input source_ an input image, or a stack of input images (of the same size !).
The user can set the `OTB_TF_NSOURCES` environment variable to select the number of _input sources_ that he wants. The user can set the `OTB_TF_NSOURCES` environment variable to select the number of _input sources_ that he wants.
For example, for sampling a Time Series (TS) together with a single Very High Resolution image (VHR), a number of 2 sources is required: 1 input images list for time series and 1 input image for the VHR. For example, for sampling a Time Series (TS) together with a single Very High Resolution image (VHR), a number of 2 sources is required: 1 input images list for time series and 1 input image for the VHR.
The sampled patches will be extracted at each positions designed by the points, only if they are entirely lying inside all _input sources_ extents. The sampled patches will be extracted at each positions designed by the points, only if they are entirely lying inside all _input sources_ extents.
For each _input source_, patches sizes must be provided. For each _input source_, patches sizes must be provided.
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