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/*
*********************************************************************
* $Id$
*
* Project: MapServer
* Purpose: OGR Link
* Author: Daniel Morissette, DM Solutions Group (morissette@dmsolutions.ca)
* Frank Warmerdam (warmerdam@pobox.com)
*
**********************************************************************
* Copyright (c) 2000-2005, Daniel Morissette, DM Solutions Group Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*********************************************************************
*/
#
include
<
assert.h
>
#
include
"
mapserver.h
"
#
include
"
mapproject.h
"
#
include
"
mapthread.h
"
#
include
"
mapows.h
"
#
include
<
string
>
#
include
<
vector
>
#
include
"
gdal.h
"
#
include
"
cpl_conv.h
"
#
include
"
cpl_string.h
"
#
include
"
ogr_srs_api.h
"
#
include
<
memory
>
#
define
ACQUIRE_OGR_LOCK
msAcquireLock
(
TLOCK_OGR
)
#
define
RELEASE_OGR_LOCK
msReleaseLock
(
TLOCK_OGR
)
//
GDAL 1.x API
#
include
"
ogr_api.h
"
typedef
struct
ms_ogr_file_info_t
{
char
*pszFname;
char
*pszLayerDef;
int
nLayerIndex;
OGRDataSourceH hDS;
OGRLayerH hLayer;
OGRFeatureH hLastFeature;
int
nTileId;
/*
applies on the tiles themselves.
*/
projectionObj
sTileProj
;
/*
applies on the tiles themselves.
*/
struct
ms_ogr_file_info_t
*poCurTile;
/*
exists on tile index, -> tiles
*/
bool
rect_is_defined;
rectObj rect;
/*
set by TranslateMsExpression (possibly) and WhichShapes
*/
int
last_record_index_read;
const
char
*dialect;
/*
NULL, Spatialite or PostgreSQL
*/
char
*pszSelect;
char
*pszSpatialFilterTableName;
char
*pszSpatialFilterGeometryColumn;
char
*pszMainTableName;
char
*pszRowId;
int
bIsOKForSQLCompose;
bool
bHasSpatialIndex;
//
used only for spatialite for now
char
*pszTablePrefix;
//
prefix to qualify field names. used only for
//
spatialite & gpkg for now when a join is done for
//
spatial filtering.
int
bPaging;
char
*pszWHERE;
} msOGRFileInfo;
static
int
msOGRLayerIsOpen
(layerObj *layer);
static
int
msOGRLayerInitItemInfo
(layerObj *layer);
static
int
msOGRLayerGetAutoStyle
(mapObj *map, layerObj *layer, classObj *c,
shapeObj *shape);
static
void
msOGRCloseConnection
(
void
*conn_handle);
/*
==================================================================
* Geometry conversion functions
* ==================================================================
*/
/*
*********************************************************************
* ogrPointsAddPoint()
*
* NOTE: This function assumes the line->point array already has been
* allocated large enough for the point to be added, but that numpoints
* does not include this new point.
*********************************************************************
*/
static
void
ogrPointsAddPoint
(lineObj *line,
double
dX,
double
dY,
double
dZ,
int
lineindex, rectObj *bounds) {
/*
Keep track of shape bounds
*/
if
(line->
numpoints
==
0
&& lineindex ==
0
) {
bounds->
minx
= bounds->
maxx
= dX;
bounds->
miny
= bounds->
maxy
= dY;
}
else
{
if
(dX < bounds->
minx
)
bounds->
minx
= dX;
if
(dX > bounds->
maxx
)
bounds->
maxx
= dX;
if
(dY < bounds->
miny
)
bounds->
miny
= dY;
if
(dY > bounds->
maxy
)
bounds->
maxy
= dY;
}
line->
point
[line->
numpoints
].
x
= dX;
line->
point
[line->
numpoints
].
y
= dY;
line->
point
[line->
numpoints
].
z
= dZ;
line->
point
[line->
numpoints
].
m
=
0.0
;
line->
numpoints
++;
}
/*
*********************************************************************
* ogrGeomPoints()
*********************************************************************
*/
static
int
ogrGeomPoints
(OGRGeometryH hGeom, shapeObj *outshp) {
int
i;
int
numpoints;
if
(hGeom ==
NULL
)
return
0
;
OGRwkbGeometryType eGType =
wkbFlatten
(
OGR_G_GetGeometryType
(hGeom));
/*
--------------------------------------------------------------------
*/
/*
Container types result in recursive invocation on each
*/
/*
subobject to add a set of points to the current list.
*/
/*
--------------------------------------------------------------------
*/
switch
(eGType) {
case
wkbGeometryCollection:
case
wkbMultiLineString:
case
wkbMultiPolygon:
case
wkbPolygon: {
/*
Treat it as GeometryCollection
*/
for
(
int
iGeom =
0
; iGeom <
OGR_G_GetGeometryCount
(hGeom); iGeom++) {
if
(
ogrGeomPoints
(
OGR_G_GetGeometryRef
(hGeom, iGeom), outshp) == -
1
)
return
-
1
;
}
return
0
;
}
break
;
case
wkbPoint:
case
wkbMultiPoint:
case
wkbLineString:
case
wkbLinearRing:
/*
We will handle these directly
*/
break
;
default
:
/*
There shouldn't be any more cases should there?
*/
msSetError
(
MS_OGRERR
,
"
OGRGeometry type `%s' not supported yet.
"
,
"
ogrGeomPoints()
"
,
OGR_G_GetGeometryName
(hGeom));
return
(-
1
);
}
/*
------------------------------------------------------------------
* Count total number of points
* ------------------------------------------------------------------
*/
if
(eGType == wkbPoint) {
numpoints =
1
;
}
else
if
(eGType == wkbLineString || eGType == wkbLinearRing) {
numpoints =
OGR_G_GetPointCount
(hGeom);
}
else
if
(eGType == wkbMultiPoint) {
numpoints =
OGR_G_GetGeometryCount
(hGeom);
}
else
{
msSetError
(
MS_OGRERR
,
"
OGRGeometry type `%s' not supported yet.
"
,
"
ogrGeomPoints()
"
,
OGR_G_GetGeometryName
(hGeom));
return
(-
1
);
}
/*
------------------------------------------------------------------
* Do we need to allocate a line object to contain all our points?
* ------------------------------------------------------------------
*/
if
(outshp->
numlines
==
0
) {
lineObj newline;
newline.
numpoints
=
0
;
newline.
point
=
NULL
;
msAddLine
(outshp, &newline);
}
/*
------------------------------------------------------------------
* Extend the point array for the new of points to add from the
* current geometry.
* ------------------------------------------------------------------
*/
lineObj *line = outshp->
line
+ outshp->
numlines
-
1
;
if
(line->
point
==
NULL
)
line->
point
= (pointObj *)
malloc
(
sizeof
(pointObj) * numpoints);
else
line->
point
= (pointObj *)
realloc
(
line->
point
,
sizeof
(pointObj) * (numpoints + line->
numpoints
));
if
(!line->
point
) {
msSetError
(
MS_MEMERR
,
"
Unable to allocate temporary point cache.
"
,
"
ogrGeomPoints()
"
);
return
(-
1
);
}
/*
------------------------------------------------------------------
* alloc buffer and filter/transform points
* ------------------------------------------------------------------
*/
if
(eGType == wkbPoint) {
ogrPointsAddPoint
(line,
OGR_G_GetX
(hGeom,
0
),
OGR_G_GetY
(hGeom,
0
),
OGR_G_GetZ
(hGeom,
0
), outshp->
numlines
-
1
,
&(outshp->
bounds
));
}
else
if
(eGType == wkbLineString || eGType == wkbLinearRing) {
for
(i =
0
; i < numpoints; i++)
ogrPointsAddPoint
(line,
OGR_G_GetX
(hGeom, i),
OGR_G_GetY
(hGeom, i),
OGR_G_GetZ
(hGeom, i), outshp->
numlines
-
1
,
&(outshp->
bounds
));
}
else
if
(eGType == wkbMultiPoint) {
for
(i =
0
; i < numpoints; i++) {
OGRGeometryH hPoint =
OGR_G_GetGeometryRef
(hGeom, i);
ogrPointsAddPoint
(line,
OGR_G_GetX
(hPoint,
0
),
OGR_G_GetY
(hPoint,
0
),
OGR_G_GetZ
(hPoint,
0
), outshp->
numlines
-
1
,
&(outshp->
bounds
));
}
}
outshp->
type
=
MS_SHAPE_POINT
;
return
(
0
);
}
/*
*********************************************************************
* ogrGeomLine()
*
* Recursively convert any OGRGeometry into a shapeObj. Each part becomes
* a line in the overall shapeObj.
*********************************************************************
*/
static
int
ogrGeomLine
(OGRGeometryH hGeom, shapeObj *outshp,
int
bCloseRings) {
if
(hGeom ==
NULL
)
return
0
;
/*
------------------------------------------------------------------
* Use recursive calls for complex geometries
* ------------------------------------------------------------------
*/
OGRwkbGeometryType eGType =
wkbFlatten
(
OGR_G_GetGeometryType
(hGeom));
if
(eGType == wkbPolygon || eGType == wkbGeometryCollection ||
eGType == wkbMultiLineString || eGType == wkbMultiPolygon) {
if
(eGType == wkbPolygon && outshp->
type
==
MS_SHAPE_NULL
)
outshp->
type
=
MS_SHAPE_POLYGON
;
/*
Treat it as GeometryCollection
*/
for
(
int
iGeom =
0
; iGeom <
OGR_G_GetGeometryCount
(hGeom); iGeom++) {
if
(
ogrGeomLine
(
OGR_G_GetGeometryRef
(hGeom, iGeom), outshp,
bCloseRings) == -
1
)
return
-
1
;
}
}
/*
------------------------------------------------------------------
* OGRPoint and OGRMultiPoint
* ------------------------------------------------------------------
*/
else
if
(eGType == wkbPoint || eGType == wkbMultiPoint) {
/*
Hummmm a point when we're drawing lines/polygons... just drop it!
*/
}
/*
------------------------------------------------------------------
* OGRLinearRing/OGRLineString ... both are of type wkbLineString
* ------------------------------------------------------------------
*/
else
if
(eGType == wkbLineString) {
int
j, numpoints;
lineObj line = {
0
,
NULL
};
double
dX, dY;
if
((numpoints =
OGR_G_GetPointCount
(hGeom)) <
2
)
return
0
;
if
(outshp->
type
==
MS_SHAPE_NULL
)
outshp->
type
=
MS_SHAPE_LINE
;
line.
numpoints
=
0
;
line.
point
= (pointObj *)
malloc
(
sizeof
(pointObj) * (numpoints +
1
));
if
(!line.
point
) {
msSetError
(
MS_MEMERR
,
"
Unable to allocate temporary point cache.
"
,
"
ogrGeomLine
"
);
return
(-
1
);
}
OGR_G_GetPoints
(hGeom, &(line.
point
[
0
].
x
),
sizeof
(pointObj),
&(line.
point
[
0
].
y
),
sizeof
(pointObj), &(line.
point
[
0
].
z
),
sizeof
(pointObj));
for
(j =
0
; j < numpoints; j++) {
dX = line.
point
[j].
x
=
OGR_G_GetX
(hGeom, j);
dY = line.
point
[j].
y
=
OGR_G_GetY
(hGeom, j);
/*
Keep track of shape bounds
*/
if
(j ==
0
&& outshp->
numlines
==
0
) {
outshp->
bounds
.
minx
= outshp->
bounds
.
maxx
= dX;
outshp->
bounds
.
miny
= outshp->
bounds
.
maxy
= dY;
}
else
{
if
(dX < outshp->
bounds
.
minx
)
outshp->
bounds
.
minx
= dX;
if
(dX > outshp->
bounds
.
maxx
)
outshp->
bounds
.
maxx
= dX;
if
(dY < outshp->
bounds
.
miny
)
outshp->
bounds
.
miny
= dY;
if
(dY > outshp->
bounds
.
maxy
)
outshp->
bounds
.
maxy
= dY;
}
}
line.
numpoints
= numpoints;
if
(bCloseRings && (line.
point
[line.
numpoints
-
1
].
x
!= line.
point
[
0
].
x
||
line.
point
[line.
numpoints
-
1
].
y
!= line.
point
[
0
].
y
)) {
line.
point
[line.
numpoints
].
x
= line.
point
[
0
].
x
;
line.
point
[line.
numpoints
].
y
= line.
point
[
0
].
y
;
line.
point
[line.
numpoints
].
z
= line.
point
[
0
].
z
;
line.
numpoints
++;
}
msAddLineDirectly
(outshp, &line);
}
else
{
msSetError
(
MS_OGRERR
,
"
OGRGeometry type `%s' not supported.
"
,
"
ogrGeomLine()
"
,
OGR_G_GetGeometryName
(hGeom));
return
(-
1
);
}
return
(
0
);
}
/*
*********************************************************************
* ogrGetLinearGeometry()
*
* Fetch geometry from OGR feature. If using GDAL 2.0 or later, the geometry
* might be of curve type, so linearize it.
*********************************************************************
*/
static
OGRGeometryH
ogrGetLinearGeometry
(OGRFeatureH hFeature) {
/*
Convert in place and reassign to the feature
*/
OGRGeometryH hGeom =
OGR_F_StealGeometry
(hFeature);
if
(hGeom !=
NULL
) {
hGeom =
OGR_G_ForceTo
(hGeom,
OGR_GT_GetLinear
(
OGR_G_GetGeometryType
(hGeom)),
NULL
);
OGR_F_SetGeometryDirectly
(hFeature, hGeom);
}
return
hGeom;
}
/*
*********************************************************************
* ogrConvertGeometry()
*
* Convert OGR geometry into a shape object doing the best possible
* job to match OGR Geometry type and layer type.
*
* If layer type is incompatible with geometry, then shape is returned with
* shape->type = MS_SHAPE_NULL
*********************************************************************
*/
static
int
ogrConvertGeometry
(OGRGeometryH hGeom, shapeObj *outshp,
enum
MS_LAYER_TYPE
layertype) {
/*
------------------------------------------------------------------
* Process geometry according to layer type
* ------------------------------------------------------------------
*/
int
nStatus =
MS_SUCCESS
;
if
(hGeom ==
NULL
) {
//
Empty geometry... this is not an error... we'll just skip it
return
MS_SUCCESS
;
}
switch
(layertype) {
/*
------------------------------------------------------------------
* POINT layer - Any geometry can be converted to point/multipoint
* ------------------------------------------------------------------
*/
case
MS_LAYER_POINT
:
if
(
ogrGeomPoints
(hGeom, outshp) == -
1
) {
nStatus =
MS_FAILURE
;
//
Error message already produced.
}
break
;
/*
------------------------------------------------------------------
* LINE layer
* ------------------------------------------------------------------
*/
case
MS_LAYER_LINE
:
if
(
ogrGeomLine
(hGeom, outshp,
MS_FALSE
) == -
1
) {
nStatus =
MS_FAILURE
;
//
Error message already produced.
}
if
(outshp->
type
!=
MS_SHAPE_LINE
&& outshp->
type
!=
MS_SHAPE_POLYGON
)
outshp->
type
=
MS_SHAPE_NULL
;
//
Incompatible type for this layer
break
;
/*
------------------------------------------------------------------
* POLYGON layer
* ------------------------------------------------------------------
*/
case
MS_LAYER_POLYGON
:
if
(
ogrGeomLine
(hGeom, outshp,
MS_TRUE
) == -
1
) {
nStatus =
MS_FAILURE
;
//
Error message already produced.
}
if
(outshp->
type
!=
MS_SHAPE_POLYGON
)
outshp->
type
=
MS_SHAPE_NULL
;
//
Incompatible type for this layer
break
;
/*
------------------------------------------------------------------
* Chart or Query layers - return real feature type
* ------------------------------------------------------------------
*/
case
MS_LAYER_CHART
:
case
MS_LAYER_QUERY
:
switch
(
OGR_G_GetGeometryType
(hGeom)) {
case
wkbPoint:
case
wkbPoint25D:
case
wkbMultiPoint:
case
wkbMultiPoint25D:
if
(
ogrGeomPoints
(hGeom, outshp) == -
1
) {
nStatus =
MS_FAILURE
;
//
Error message already produced.
}
break
;
default
:
//
Handle any non-point types as lines/polygons ... ogrGeomLine()
//
will decide the shape type
if
(
ogrGeomLine
(hGeom, outshp,
MS_FALSE
) == -
1
) {
nStatus =
MS_FAILURE
;
//
Error message already produced.
}
}
break
;
default
:
msSetError
(
MS_MISCERR
,
"
Unknown or unsupported layer type.
"
,
"
msOGRLayerNextShape()
"
);
nStatus =
MS_FAILURE
;
}
/*
switch layertype
*/
return
nStatus;
}
/*
*********************************************************************
* msOGRGeometryToShape()
*
* Utility function to convert from OGR geometry to a mapserver shape
* object.
*********************************************************************
*/
int
msOGRGeometryToShape
(OGRGeometryH hGeometry, shapeObj *psShape,
OGRwkbGeometryType nType) {
if
(hGeometry && psShape && nType >
0
) {
if
(nType == wkbPoint || nType == wkbMultiPoint)
return
ogrConvertGeometry
(hGeometry, psShape,
MS_LAYER_POINT
);
else
if
(nType == wkbLineString || nType == wkbMultiLineString)
return
ogrConvertGeometry
(hGeometry, psShape,
MS_LAYER_LINE
);
else
if
(nType == wkbPolygon || nType == wkbMultiPolygon)
return
ogrConvertGeometry
(hGeometry, psShape,
MS_LAYER_POLYGON
);
else
return
MS_FAILURE
;
}
else
return
MS_FAILURE
;
}
/*
==================================================================
* Attributes handling functions
* ==================================================================
*/
//
Special field index codes for handling text string and angle coming from
//
OGR style strings.
#
define
MSOGR_FID_INDEX
-
99
#
define
MSOGR_LABELNUMITEMS
21
#
define
MSOGR_LABELFONTNAMENAME
"
OGR:LabelFont
"
#
define
MSOGR_LABELFONTNAMEINDEX
-
100
#
define
MSOGR_LABELSIZENAME
"
OGR:LabelSize
"
#
define
MSOGR_LABELSIZEINDEX
-
101
#
define
MSOGR_LABELTEXTNAME
"
OGR:LabelText
"
#
define
MSOGR_LABELTEXTINDEX
-
102
#
define
MSOGR_LABELANGLENAME
"
OGR:LabelAngle
"
#
define
MSOGR_LABELANGLEINDEX
-
103
#
define
MSOGR_LABELFCOLORNAME
"
OGR:LabelFColor
"
#
define
MSOGR_LABELFCOLORINDEX
-
104
#
define
MSOGR_LABELBCOLORNAME
"
OGR:LabelBColor
"
#
define
MSOGR_LABELBCOLORINDEX
-
105
#
define
MSOGR_LABELPLACEMENTNAME
"
OGR:LabelPlacement
"
#
define
MSOGR_LABELPLACEMENTINDEX
-
106
#
define
MSOGR_LABELANCHORNAME
"
OGR:LabelAnchor
"
#
define
MSOGR_LABELANCHORINDEX
-
107
#
define
MSOGR_LABELDXNAME
"
OGR:LabelDx
"
#
define
MSOGR_LABELDXINDEX
-
108
#
define
MSOGR_LABELDYNAME
"
OGR:LabelDy
"
#
define
MSOGR_LABELDYINDEX
-
109
#
define
MSOGR_LABELPERPNAME
"
OGR:LabelPerp
"
#
define
MSOGR_LABELPERPINDEX
-
110
#
define
MSOGR_LABELBOLDNAME
"
OGR:LabelBold
"
#
define
MSOGR_LABELBOLDINDEX
-
111
#
define
MSOGR_LABELITALICNAME
"
OGR:LabelItalic
"
#
define
MSOGR_LABELITALICINDEX
-
112
#
define
MSOGR_LABELUNDERLINENAME
"
OGR:LabelUnderline
"
#
define
MSOGR_LABELUNDERLINEINDEX
-
113
#
define
MSOGR_LABELPRIORITYNAME
"
OGR:LabelPriority
"
#
define
MSOGR_LABELPRIORITYINDEX
-
114
#
define
MSOGR_LABELSTRIKEOUTNAME
"
OGR:LabelStrikeout
"
#
define
MSOGR_LABELSTRIKEOUTINDEX
-
115
#
define
MSOGR_LABELSTRETCHNAME
"
OGR:LabelStretch
"
#
define
MSOGR_LABELSTRETCHINDEX
-
116
#
define
MSOGR_LABELADJHORNAME
"
OGR:LabelAdjHor
"
#
define
MSOGR_LABELADJHORINDEX
-
117
#
define
MSOGR_LABELADJVERTNAME
"
OGR:LabelAdjVert
"
#
define
MSOGR_LABELADJVERTINDEX
-
118
#
define
MSOGR_LABELHCOLORNAME
"
OGR:LabelHColor
"
#
define
MSOGR_LABELHCOLORINDEX
-
119
#
define
MSOGR_LABELOCOLORNAME
"
OGR:LabelOColor
"
#
define
MSOGR_LABELOCOLORINDEX
-
120
//
Special codes for the OGR style parameters
#
define
MSOGR_LABELPARAMNAME
"
OGR:LabelParam
"
#
define
MSOGR_LABELPARAMNAMELEN
14
#
define
MSOGR_LABELPARAMINDEX
-
500
#
define
MSOGR_BRUSHPARAMNAME
"
OGR:BrushParam
"
#
define
MSOGR_BRUSHPARAMNAMELEN
14
#
define
MSOGR_BRUSHPARAMINDEX
-
600
#
define
MSOGR_PENPARAMNAME
"
OGR:PenParam
"
#
define
MSOGR_PENPARAMNAMELEN
12
#
define
MSOGR_PENPARAMINDEX
-
700
#
define
MSOGR_SYMBOLPARAMNAME
"
OGR:SymbolParam
"
#
define
MSOGR_SYMBOLPARAMNAMELEN
15
#
define
MSOGR_SYMBOLPARAMINDEX
-
800
/*
*********************************************************************
* msOGRGetValues()
*
* Load selected item (i.e. field) values into a char array
*
* Some special attribute names are used to return some OGRFeature params
* like for instance stuff encoded in the OGRStyleString.
* For now the following pseudo-attribute names are supported:
* "OGR:TextString" OGRFeatureStyle's text string if present
* "OGR:TextAngle" OGRFeatureStyle's text angle, or 0 if not set
*********************************************************************
*/
static
char
**
msOGRGetValues
(layerObj *layer, OGRFeatureH hFeature) {
char
**values;
const
char
*pszValue =
NULL
;
int
i;
if
(layer->
numitems
==
0
)
return
(
NULL
);
if
(!layer->
iteminfo
)
//
Should not happen... but just in case!
if
(
msOGRLayerInitItemInfo
(layer) !=
MS_SUCCESS
)
return
NULL
;
if
((values = (
char
**)
malloc
(
sizeof
(
char
*) * layer->
numitems
)) ==
NULL
) {
msSetError
(
MS_MEMERR
,
NULL
,
"
msOGRGetValues()
"
);
return
(
NULL
);
}
OGRStyleMgrH hStyleMgr =
NULL
;
OGRStyleToolH hLabelStyle =
NULL
;
OGRStyleToolH hPenStyle =
NULL
;
OGRStyleToolH hBrushStyle =
NULL
;
OGRStyleToolH hSymbolStyle =
NULL
;
int
*itemindexes = (
int
*)layer->
iteminfo
;
int
nYear;
int
nMonth;
int
nDay;
int
nHour;
int
nMinute;
int
nSecond;
int
nTZFlag;
for
(i =
0
; i < layer->
numitems
; i++) {
if
(itemindexes[i] >=
0
) {
//
Extract regular attributes
const
char
*pszValue =
OGR_F_GetFieldAsString
(hFeature, itemindexes[i]);
if
(pszValue[
0
] ==
0
) {
values[i] =
msStrdup
(
"
"
);
}
else
{
OGRFieldDefnH hFieldDefnRef =
OGR_F_GetFieldDefnRef
(hFeature, itemindexes[i]);
switch
(
OGR_Fld_GetType
(hFieldDefnRef)) {
case
OFTTime:
OGR_F_GetFieldAsDateTime
(hFeature, itemindexes[i], &nYear, &nMonth,
&nDay, &nHour, &nMinute, &nSecond, &nTZFlag);
switch
(nTZFlag) {
case
0
:
//
Unknown time zone
case
1
:
//
Local time zone (not specified)
values[i] =
msStrdup
(
CPLSPrintf
(
"
%02d:%02d:%02d
"
, nHour, nMinute, nSecond));
break
;
case
100
:
//
GMT
values[i] =
msStrdup
(
CPLSPrintf
(
"
%02d:%02d:%02dZ
"
, nHour, nMinute, nSecond));
break
;
default
:
//
Offset (in quarter-hour units) from GMT
const
int
TZOffset =
std::abs
(nTZFlag -
100
) *
15
;
const
int
TZHour = TZOffset /
60
;
const
int
TZMinute = TZOffset %
60
;
const
char
TZSign = (nTZFlag >
100
) ?
'
+
'
:
'
-
'
;
values[i] =
msStrdup
(
CPLSPrintf
(
"
%02d:%02d:%02d%c%02d:%02d
"
, nHour, nMinute,
nSecond, TZSign, TZHour, TZMinute));
}
break
;
case
OFTDate:
OGR_F_GetFieldAsDateTime
(hFeature, itemindexes[i], &nYear, &nMonth,
&nDay, &nHour, &nMinute, &nSecond, &nTZFlag);
values[i] =
msStrdup
(
CPLSPrintf
(
"
%04d-%02d-%02d
"
, nYear, nMonth, nDay));
break
;
case
OFTDateTime:
OGR_F_GetFieldAsDateTime
(hFeature, itemindexes[i], &nYear, &nMonth,
&nDay, &nHour, &nMinute, &nSecond, &nTZFlag);
switch
(nTZFlag) {
case
0
:
//
Unknown time zone
case
1
:
//
Local time zone (not specified)
values[i] =
msStrdup
(
CPLSPrintf
(
"
%04d-%02d-%02dT%02d:%02d:%02d
"
, nYear,
nMonth, nDay, nHour, nMinute, nSecond));
break
;
case
100
:
//
GMT
values[i] =
msStrdup
(
CPLSPrintf
(
"
%04d-%02d-%02dT%02d:%02d:%02dZ
"
, nYear,
nMonth, nDay, nHour, nMinute, nSecond));
break
;
default
:
//
Offset (in quarter-hour units) from GMT
const
int
TZOffset =
std::abs
(nTZFlag -
100
) *
15
;
const
int
TZHour = TZOffset /
60
;
const
int
TZMinute = TZOffset %
60
;
const
char
TZSign = (nTZFlag >
100
) ?
'
+
'
:
'
-
'
;
values[i] =
msStrdup
(
CPLSPrintf
(
"
%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d
"
, nYear, nMonth, nDay,
nHour, nMinute, nSecond, TZSign, TZHour, TZMinute));
}
break
;
default
:
values[i] =
msStrdup
(pszValue);
break
;
}
}
}
else
if
(itemindexes[i] ==
MSOGR_FID_INDEX
) {
values[i] =
msStrdup
(
CPLSPrintf
(
CPL_FRMT_GIB
, (GIntBig)
OGR_F_GetFID
(hFeature)));
}
else
{
//
Handle special OGR attributes coming from StyleString
if
(!hStyleMgr) {
hStyleMgr =
OGR_SM_Create
(
NULL
);
OGR_SM_InitFromFeature
(hStyleMgr, hFeature);
int
numParts =
OGR_SM_GetPartCount
(hStyleMgr,
NULL
);
for
(
int
i =
0
; i < numParts; i++) {
OGRStyleToolH hStylePart =
OGR_SM_GetPart
(hStyleMgr, i,
NULL
);
if
(hStylePart) {
if
(
OGR_ST_GetType
(hStylePart) == OGRSTCLabel && !hLabelStyle)
hLabelStyle = hStylePart;
else
if
(
OGR_ST_GetType
(hStylePart) == OGRSTCPen && !hPenStyle)
hPenStyle = hStylePart;
else
if
(
OGR_ST_GetType
(hStylePart) == OGRSTCBrush && !hBrushStyle)
hBrushStyle = hStylePart;
else
if
(
OGR_ST_GetType
(hStylePart) == OGRSTCSymbol &&
!hSymbolStyle)
hSymbolStyle = hStylePart;
else
{
OGR_ST_Destroy
(hStylePart);
hStylePart =
NULL
;
}
}
/*
Setting up the size units according to msOGRLayerGetAutoStyle
*/
if
(hStylePart && layer->
map
)
OGR_ST_SetUnit
(hStylePart, OGRSTUPixel,
layer->
map
->
cellsize
* layer->
map
->
resolution
/
layer->
map
->
defresolution
*
72.0
*
39.37
);
}
}
int
bDefault;
if
(itemindexes[i] ==
MSOGR_LABELTEXTINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelTextString,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELTEXTNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELANGLEINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelAngle,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELANGLENAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELSIZEINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelSize,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELSIZENAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELFCOLORINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelFColor,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
#000000
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELFCOLORNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELFONTNAMEINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelFontName,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
Arial
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELFONTNAMENAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELBCOLORINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelBColor,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
#000000
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELBCOLORNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELPLACEMENTINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelPlacement,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELPLACEMENTNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELANCHORINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelAnchor,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELANCHORNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELDXINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelDx,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELDXNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELDYINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelDy,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELDYNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELPERPINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelPerp,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELPERPNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELBOLDINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelBold,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELBOLDNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELITALICINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelItalic,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELITALICNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELUNDERLINEINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelUnderline,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELUNDERLINENAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELPRIORITYINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelPriority,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELPRIORITYNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELSTRIKEOUTINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelStrikeout,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELSTRIKEOUTNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELSTRETCHINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelStretch,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
0
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELSTRETCHNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELADJHORINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelAdjHor,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELADJHORNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELADJVERTINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelAdjVert,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELADJVERTNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELHCOLORINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelHColor,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELHCOLORNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] ==
MSOGR_LABELOCOLORINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(hLabelStyle, OGRSTLabelOColor,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELOCOLORNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] >=
MSOGR_LABELPARAMINDEX
) {
if
(hLabelStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(
hLabelStyle, itemindexes[i] -
MSOGR_LABELPARAMINDEX
,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_LABELPARAMNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] >=
MSOGR_BRUSHPARAMINDEX
) {
if
(hBrushStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(
hBrushStyle, itemindexes[i] -
MSOGR_BRUSHPARAMINDEX
,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_BRUSHPARAMNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] >=
MSOGR_PENPARAMINDEX
) {
if
(hPenStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(
hPenStyle, itemindexes[i] -
MSOGR_PENPARAMINDEX
,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_PENPARAMNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
if
(itemindexes[i] >=
MSOGR_SYMBOLPARAMINDEX
) {
if
(hSymbolStyle ==
NULL
||
((pszValue =
OGR_ST_GetParamStr
(
hSymbolStyle, itemindexes[i] -
MSOGR_SYMBOLPARAMINDEX
,
&bDefault)) ==
NULL
))
values[i] =
msStrdup
(
"
"
);
else
values[i] =
msStrdup
(pszValue);
if
(layer->
debug
>=
MS_DEBUGLEVEL_VVV
)
msDebug
(
MSOGR_SYMBOLPARAMNAME
"
=
\"
%s
\"\n
"
, values[i]);
}
else
{
msFreeCharArray
(values, i);
OGR_SM_Destroy
(hStyleMgr);
OGR_ST_Destroy
(hLabelStyle);
OGR_ST_Destroy
(hPenStyle);
OGR_ST_Destroy
(hBrushStyle);
OGR_ST_Destroy
(hSymbolStyle);
msSetError
(
MS_OGRERR
,
"
Invalid field index!?!
"
,
"
msOGRGetValues()
"
);
return
(
NULL
);
}
}
}
OGR_SM_Destroy
(hStyleMgr);
OGR_ST_Destroy
(hLabelStyle);
OGR_ST_Destroy
(hPenStyle);
OGR_ST_Destroy
(hBrushStyle);
OGR_ST_Destroy
(hSymbolStyle);
return
(values);
}
/*
*********************************************************************
* msOGRSpatialRef2ProjectionObj()
*
* Init a MapServer projectionObj using an OGRSpatialRef
* Works only with PROJECTION AUTO
*
* Returns MS_SUCCESS/MS_FAILURE
*********************************************************************
*/
static
int
msOGRSpatialRef2ProjectionObj
(OGRSpatialReferenceH hSRS,
projectionObj *proj,
int
debug_flag) {
//
First flush the "auto" name from the projargs[]...
msFreeProjectionExceptContext
(proj);
if
(hSRS ==
NULL
||
OSRIsLocal
(hSRS)) {
//
Dataset had no set projection or is NonEarth (LOCAL_CS)...
//
Nothing else to do. Leave proj empty and no reprojection will happen!
return
MS_SUCCESS
;
}
//
This helps avoiding going through potentially lossy PROJ4 strings
const
char
*pszAuthName =
OSRGetAuthorityName
(hSRS,
NULL
);
if
(pszAuthName &&
EQUAL
(pszAuthName,
"
EPSG
"
)) {
const
char
*pszAuthCode =
OSRGetAuthorityCode
(hSRS,
NULL
);
if
(pszAuthCode) {
char
szInitStr[
32
];
snprintf
(szInitStr,
sizeof
(szInitStr),
"
init=epsg:%d
"
,
atoi
(pszAuthCode));
if
(debug_flag)
msDebug
(
"
AUTO = %s
\n
"
, szInitStr);
return
msLoadProjectionString
(proj, szInitStr) ==
0
?
MS_SUCCESS
:
MS_FAILURE
;
}
}
//
Export OGR SRS to a PROJ4 string
char
*pszProj =
NULL
;
if
(
OSRExportToProj4
(hSRS, &pszProj) !=
OGRERR_NONE
|| pszProj ==
NULL
||
strlen
(pszProj) ==
0
) {
msSetError
(
MS_OGRERR
,
"
Conversion from OGR SRS to PROJ4 failed.
"
,
"
msOGRSpatialRef2ProjectionObj()
"
);
CPLFree
(pszProj);
return
(
MS_FAILURE
);
}
if
(debug_flag)
msDebug
(
"
AUTO = %s
\n
"
, pszProj);
if
(
msLoadProjectionString
(proj, pszProj) !=
0
)
View remainder of file in raw view
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