gdaldem: allow -az zero or negative

rouault · rouault · commit c40f4fd5ae99 · 2025-03-31T23:16:39.000+02:00
diff --git a/apps/gdaldem_lib.cpp b/apps/gdaldem_lib.cpp
@@ -4104,11 +4104,6 @@ GDALDEMProcessingOptions *GDALDEMProcessingOptionsNew(
             throw std::invalid_argument("Invalid value for -alt");
         }
 
-        if (psOptions->az <= 0)
-        {
-            throw std::invalid_argument("Invalid value for -az");
-        }
-
         if (psOptions->bMultiDirectional && argParser->is_used_globally("-az"))
         {
             throw std::invalid_argument(

Original file line number	Diff line number	Diff line change
`@@ -4104,11 +4104,6 @@ GDALDEMProcessingOptions *GDALDEMProcessingOptionsNew(`
`4104`	`4104`	`throw std::invalid_argument("Invalid value for -alt");`
`4105`	`4105`	`}`
`4106`	`4106`
`4107`		`- if (psOptions->az <= 0)`
`4108`		`- {`
`4109`		`- throw std::invalid_argument("Invalid value for -az");`
`4110`		`- }`
`4111`		`-`
`4112`	`4107`	`if (psOptions->bMultiDirectional && argParser->is_used_globally("-az"))`
`4113`	`4108`	`{`
`4114`	`4109`	`throw std::invalid_argument(`