From 1b11ba43a27396d506eb45f13440b52b2d01883c Mon Sep 17 00:00:00 2001
From: Peter Petrik <zilolv@gmail.com>
Date: Mon, 21 Jan 2019 08:49:43 +0100
Subject: [PATCH] fix docs

---
 .../mesh/qgsmeshlayerinterpolator.sip.in              | 11 +++++++----
 src/core/mesh/qgsmeshlayerinterpolator.cpp            |  6 +++---
 src/core/mesh/qgsmeshlayerinterpolator.h              | 11 +++++++----
 3 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/python/core/auto_generated/mesh/qgsmeshlayerinterpolator.sip.in b/python/core/auto_generated/mesh/qgsmeshlayerinterpolator.sip.in
index 2a5467fb266..799f601ffc3 100644
--- a/python/core/auto_generated/mesh/qgsmeshlayerinterpolator.sip.in
+++ b/python/core/auto_generated/mesh/qgsmeshlayerinterpolator.sip.in
@@ -24,8 +24,8 @@ namespace QgsMeshUtils
   QgsRasterBlock *exportRasterBlock(
     const QgsMeshLayer &layer,
     const QgsMeshDatasetIndex &datasetIndex,
-    const QgsCoordinateReferenceSystem &destination,
-    const QgsCoordinateTransformContext &context,
+    const QgsCoordinateReferenceSystem &destinationCrs,
+    const QgsCoordinateTransformContext &transformContext,
     double mapUnitsPerPixel,
     const QgsRectangle &extent,
     QgsRasterBlockFeedback *feedback = 0
@@ -33,10 +33,13 @@ namespace QgsMeshUtils
 %Docstring
 Exports mesh layer's dataset values as raster block
 
+The function always fetches native mesh and dataset data
+from data provider and calculates triangular mesh
+
 :param layer: mesh layer
 :param datasetIndex: index from layer defining group and dataset (time) to export
-:param destination: destination/map CRS. Used to create triangular mesh from native mesh
-:param context: Transform context to transform layer CRS to destination CRS
+:param destinationCrs: destination/map CRS. Used to create triangular mesh from native mesh
+:param transformContext: Transform context to transform layer CRS to destination CRS
 :param mapUnitsPerPixel: map units per pixel for block
 :param extent: extent of block in destination CRS
 :param feedback: optional raster feedback object for cancelation/preview
diff --git a/src/core/mesh/qgsmeshlayerinterpolator.cpp b/src/core/mesh/qgsmeshlayerinterpolator.cpp
index 74978ea098f..cc5cd02b3a3 100644
--- a/src/core/mesh/qgsmeshlayerinterpolator.cpp
+++ b/src/core/mesh/qgsmeshlayerinterpolator.cpp
@@ -154,8 +154,8 @@ QgsRasterBlock *QgsMeshLayerInterpolator::block( int, const QgsRectangle &extent
 QgsRasterBlock *QgsMeshUtils::exportRasterBlock(
   const QgsMeshLayer &layer,
   const QgsMeshDatasetIndex &datasetIndex,
-  const QgsCoordinateReferenceSystem &destination,
-  const QgsCoordinateTransformContext &context,
+  const QgsCoordinateReferenceSystem &destinationCrs,
+  const QgsCoordinateTransformContext &transformContext,
   double mapUnitsPerPixel,
   const QgsRectangle &extent,
   QgsRasterBlockFeedback *feedback )
@@ -176,7 +176,7 @@ QgsRasterBlock *QgsMeshUtils::exportRasterBlock(
                             widthPixel,
                             heightPixel,
                             0 );
-  QgsCoordinateTransform transform( layer.crs(), destination, context );
+  QgsCoordinateTransform transform( layer.crs(), destinationCrs, transformContext );
 
   QgsRenderContext renderContext;
   renderContext.setCoordinateTransform( transform );
diff --git a/src/core/mesh/qgsmeshlayerinterpolator.h b/src/core/mesh/qgsmeshlayerinterpolator.h
index 38721fe77e6..92b83c3cd71 100644
--- a/src/core/mesh/qgsmeshlayerinterpolator.h
+++ b/src/core/mesh/qgsmeshlayerinterpolator.h
@@ -84,10 +84,13 @@ namespace QgsMeshUtils
   /**
    * Exports mesh layer's dataset values as raster block
    *
+   * The function always fetches native mesh and dataset data
+   * from data provider and calculates triangular mesh
+   *
    * \param layer mesh layer
    * \param datasetIndex index from layer defining group and dataset (time) to export
-   * \param destination destination/map CRS. Used to create triangular mesh from native mesh
-   * \param context Transform context to transform layer CRS to destination CRS
+   * \param destinationCrs destination/map CRS. Used to create triangular mesh from native mesh
+   * \param transformContext Transform context to transform layer CRS to destination CRS
    * \param mapUnitsPerPixel map units per pixel for block
    * \param extent extent of block in destination CRS
    * \param feedback optional raster feedback object for cancelation/preview
@@ -98,8 +101,8 @@ namespace QgsMeshUtils
   CORE_EXPORT QgsRasterBlock *exportRasterBlock(
     const QgsMeshLayer &layer,
     const QgsMeshDatasetIndex &datasetIndex,
-    const QgsCoordinateReferenceSystem &destination,
-    const QgsCoordinateTransformContext &context,
+    const QgsCoordinateReferenceSystem &destinationCrs,
+    const QgsCoordinateTransformContext &transformContext,
     double mapUnitsPerPixel,
     const QgsRectangle &extent,
     QgsRasterBlockFeedback *feedback = nullptr