Create Spatially Balanced Points Tool ??

Question

Original User: FMIN

Some one can explain me what's a inclusion probabilities raster and how can i get it.

Geoportal_SIG_NOAA_v1.pdf

Data_gov-GOS Portal ToolKit User Group Meeting  1-20-10.pdf

20110121_GPT_UserGroup_Notes_v1.docx

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Anonymous User · Answer

Original User: GrizJohnsonReclassify to integer values and then divide by a value to create the probability raster.

I.e, if you want all the values in the habitat raster that are forest, for example, to have an inclusion probability of 0.75, then reclass them to 75 and the use the Divide (by 100) tool to create the probability raster

Steve

Thanks for this Steve, I have one modification to this: after reclassifying the raster as an integer it was necessary for me to convert to float before dividing by 100.  After that it worked great!

Ian

SteveLynch · Answer

Reclassify to integer values and then divide by a value to create the probability raster.

I.e, if you want all the values in the habitat raster that are forest, for example, to have an inclusion probability of 0.75, then reclass them to 75 and the use the Divide (by 100) tool to create the probability raster

Steve

Anonymous User · Answer

Original User: GrizJohnson

I want to use this tool to create sample points with probabilities that favor sampling in wooded areas. To do this I have been trying to reclassify a habitat cover raster with values between 0 and 1 in a way that wooded areas are favored (ie: .99). However, the problem that I am running into with this method is that when reclassifying the raster the output can only be an integer.

SO. My question: what's the best way to manipulate a raster layer (habitat coverage) so that it has the needed inclusion probabilities?

Thank you.
Ian Johnson