How to C#: Imaging
Using Imaging SDK for C#.NET
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Image Load
Image Access and Modify
Geometry: Resample
Geometry: Resample
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How to C#: Resample Image


Tutorial for How to Resample Image




Steps to Resample image



Load an image with RasterImage object.


Create an image processor with ImageProcess object.


Call the method ResampleImage of ImageProcess object to complete the task flopping image.


Save the resampled image to an image file on the disk.


In order to acheive the work, please refer to the following steps.




Install XImage.Raster in C# Project



Add necessary references to your C#.NET project. Right-click the project and select "Add Reference..." to locate and add the following DLLs as project references;


  RasterEdge.Imaging.Basic.dll


  RasterEdge.XImage.Raster.Core.dll


  RasterEdge.XImage.Raster.dll


Use corresponding namespaces;


  using RasterEdge.XImage.Raster;


Note: When you get the error "Could not load file or assembly 'RasterEdge.Imaging.Basic' or any other assembly or one of its dependencies. An attempt to load a program with an incorrect format", please check your configure as follows:

       

       If you are using x64 libraries/dlls, Right click the project -> Properties -> Build -> Platform target: x64.

       

       If using x86, the platform target should be x86.




Sample code to Resample Image



By using the XImage.Raster SDK, you can modify the image size and orientation by assigning it to the processor. Unlike the resize image, resample image will  resize the image without color mixing, so it is much faster than resize.


Sample Code (resample image):




RasterImage img = new RasterImage(@"C:\input.tif");
ImageProcess process = new ImageProcess(img);
//Resample all the pages, do not respect the aspect ratio, the target size is 100x100.
process.ResampleImage(new Size(100, 100), false);
//If the input image has multiple frames,
//it will just resample the second page of the input tif.
process.ResampleImage(new Size(100, 100), false, 1);
img.Save(@"C:\output.tif");