Fix heatmap rasters not correctly initialising with NODATA value

nyalldawson · nyalldawson · commit 85a3a672880a · 2013-05-06T09:26:49.000+10:00
diff --git a/src/plugins/heatmap/heatmap.cpp b/src/plugins/heatmap/heatmap.cpp
@@ -142,11 +142,13 @@ void Heatmap::run()
 
     float* line = ( float * ) CPLMalloc( sizeof( float ) * columns );
     for ( int i = 0; i < columns ; i++ )
+    {
       line[i] = NO_DATA;
+    }
     // Write the empty raster
     for ( int i = 0; i < rows ; i++ )
     {
-      poBand->RasterIO( GF_Write, 0, 0, columns, 1, line, columns, 1, GDT_Float32, 0, 0 );
+      poBand->RasterIO( GF_Write, 0, i, columns, 1, line, columns, 1, GDT_Float32, 0, 0 );
     }
 
     CPLFree( line );

Original file line number	Diff line number	Diff line change
`@@ -142,11 +142,13 @@ void Heatmap::run()`
`142`	`142`
`143`	`143`	`float* line = ( float * ) CPLMalloc( sizeof( float ) * columns );`
`144`	`144`	`for ( int i = 0; i < columns ; i++ )`
	`145`	`+ {`
`145`	`146`	`line[i] = NO_DATA;`
	`147`	`+ }`
`146`	`148`	`// Write the empty raster`
`147`	`149`	`for ( int i = 0; i < rows ; i++ )`
`148`	`150`	`{`
`149`		`- poBand->RasterIO( GF_Write, 0, 0, columns, 1, line, columns, 1, GDT_Float32, 0, 0 );`
	`151`	`+ poBand->RasterIO( GF_Write, 0, i, columns, 1, line, columns, 1, GDT_Float32, 0, 0 );`
`150`	`152`	`}`
`151`	`153`
`152`	`154`	`CPLFree( line );`