100 GIS practical application cases (52) - how to keep the number of rows and columns consistent and aligned when cutting grids with grids in ArcGIS?

01 Summary of problems

Scope of application ： Clip the grid with the grid , Keep the number of rows and columns consistent and aligned .

02 Problems encountered

You need to cut a small range of grids from a large range of grids . Used for later grid alignment and calculation . I have dat Format of a small range grid and tif Large scale grid of format .（ It has been confirmed that the projection and pixel size are the same ）

As shown in the figure, the black range is tif Large scale grid of format , The blue part is a small range dat Small scale grid . My goal is to extract the blue part , But the surrounding cyan （ With a yellow slash ） Part of the nodata, It needs to be lost . Because the number of rows and columns in the later stage needs to be calculated consistently .

I started trying 【 Data management tools 】——【 grid 】——【 Grid processing 】——【 tailoring 】, And set up tools 【 Environmental Science 】 Inside the processing range and capture grid . But the result is still to output an entire image range . as follows , Color area . The shaded part of the yellow line is still preserved .

03 Problem investigation and handling