topic Re: Scatterplot of two rasters in Python in Python Questions https://community.esri.com/t5/python-questions/scatterplot-of-two-rasters-in-python/m-p/668717#M51893 <HTML><HEAD></HEAD><BODY><P>conceptually, if you are doing this on a cell by cell basis, you could use <A href="http://RasterToNumpyArray/" rel="nofollow noopener noreferrer" target="_blank">RasterToNumpyArray </A>to convert the rasters to arrays...then 'flatten' the arrays so they essentially become X, Y pairs, then you can use matplotlib to do the scatter plot</P><P></P><PRE class="lia-code-sample line-numbers language-none">from matplotlib import pyplot as plt xs = [1,3,2,5,6,4] ys = [3,2,1,5,3,2] plt.scatter(xs, ys) main_title ="My first graph" plt.title(main_title, loc='center')&nbsp; #loc is either left, right or center plt.minorticks_on() plt.tick_params(which='major', direction='in', length=6, width=2) plt.tick_params(which='minor', direction='in', length=4, width=2) plt.show()</PRE></BODY></HTML> Sun, 12 Dec 2021 04:15:56 GMT DanPatterson_Retired 2021-12-12T04:15:56Z Scatterplot of two rasters in Python https://community.esri.com/t5/python-questions/scatterplot-of-two-rasters-in-python/m-p/668716#M51892 <HTML><HEAD></HEAD><BODY><P>Hi ALL,</P><P></P><P>I am doing a Temperature-Vegetation Dryness Index (TDVI) analysis using Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST) for drought assessment. I need to create a scatterplot of LST and NDVI. Can you help me do this in Python? or at least guide me on how to do this.</P><P></P><P>Thanks,</P><P>-Leo</P></BODY></HTML> Thu, 08 Jan 2015 09:50:28 GMT https://community.esri.com/t5/python-questions/scatterplot-of-two-rasters-in-python/m-p/668716#M51892 Leo_KrisPalao 2015-01-08T09:50:28Z Re: Scatterplot of two rasters in Python https://community.esri.com/t5/python-questions/scatterplot-of-two-rasters-in-python/m-p/668717#M51893 <HTML><HEAD></HEAD><BODY><P>conceptually, if you are doing this on a cell by cell basis, you could use <A href="http://RasterToNumpyArray/" rel="nofollow noopener noreferrer" target="_blank">RasterToNumpyArray </A>to convert the rasters to arrays...then 'flatten' the arrays so they essentially become X, Y pairs, then you can use matplotlib to do the scatter plot</P><P></P><PRE class="lia-code-sample line-numbers language-none">from matplotlib import pyplot as plt xs = [1,3,2,5,6,4] ys = [3,2,1,5,3,2] plt.scatter(xs, ys) main_title ="My first graph" plt.title(main_title, loc='center')&nbsp; #loc is either left, right or center plt.minorticks_on() plt.tick_params(which='major', direction='in', length=6, width=2) plt.tick_params(which='minor', direction='in', length=4, width=2) plt.show()</PRE></BODY></HTML> Sun, 12 Dec 2021 04:15:56 GMT https://community.esri.com/t5/python-questions/scatterplot-of-two-rasters-in-python/m-p/668717#M51893 DanPatterson_Retired 2021-12-12T04:15:56Z