+ implement missing support for :

multipoint
  multipointm
  multipointz
This commit is contained in:
Artem Pavlenko 2010-01-13 17:18:01 +00:00
parent 8a5e1ea736
commit 8d7ad5b190
2 changed files with 222 additions and 191 deletions

View file

@ -30,29 +30,29 @@ shape_featureset<filterT>::shape_featureset(const filterT& filter,
const std::set<std::string>& attribute_names,
std::string const& encoding,
long file_length )
: filter_(filter),
shape_type_(shape_io::shape_null),
shape_(shape_file),
query_ext_(),
tr_(new transcoder(encoding)),
file_length_(file_length),
count_(0)
: filter_(filter),
shape_type_(shape_io::shape_null),
shape_(shape_file),
query_ext_(),
tr_(new transcoder(encoding)),
file_length_(file_length),
count_(0)
{
shape_.shp().skip(100);
//attributes
typename std::set<std::string>::const_iterator pos=attribute_names.begin();
while (pos!=attribute_names.end())
{
for (int i=0;i<shape_.dbf().num_fields();++i)
{
if (shape_.dbf().descriptor(i).name_ == *pos)
{
attr_ids_.push_back(i);
break;
}
}
++pos;
}
shape_.shp().skip(100);
//attributes
typename std::set<std::string>::const_iterator pos=attribute_names.begin();
while (pos!=attribute_names.end())
{
for (int i=0;i<shape_.dbf().num_fields();++i)
{
if (shape_.dbf().descriptor(i).name_ == *pos)
{
attr_ids_.push_back(i);
break;
}
}
++pos;
}
}
@ -60,137 +60,153 @@ template <typename filterT>
feature_ptr shape_featureset<filterT>::next()
{
using mapnik::point_impl;
std::streampos pos=shape_.shp().pos();
using mapnik::point_impl;
std::streampos pos=shape_.shp().pos();
if (pos < std::streampos(file_length_ * 2))
{
shape_.move_to(pos);
int type=shape_.type();
feature_ptr feature(new Feature(shape_.id_));
if (type == shape_io::shape_point)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
++count_;
}
else if (type == shape_io::shape_pointm)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
shape_.shp().read_double();//m
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
++count_;
}
else if (type == shape_io::shape_pointz)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
shape_.shp().read_double();//z
shape_.shp().read_double();//m
geometry2d * point=new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
++count_;
}
else
{
while (!filter_.pass(shape_.current_extent()))
{
unsigned reclen=shape_.reclength_;
if (!shape_.shp().is_eof())
{
long pos = shape_.shp().pos();
shape_.move_to(pos + 2 * reclen - 36);
}
else
{
return feature_ptr();
if (pos < std::streampos(file_length_ * 2))
{
shape_.move_to(pos);
int type=shape_.type();
feature_ptr feature(new Feature(shape_.id_));
if (type == shape_io::shape_point)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
++count_;
}
else if (type == shape_io::shape_pointm)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
shape_.shp().read_double();//m
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
++count_;
}
else if (type == shape_io::shape_pointz)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
shape_.shp().read_double();//z
shape_.shp().read_double();//m
geometry2d * point=new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
++count_;
}
else
{
while (!filter_.pass(shape_.current_extent()))
{
unsigned reclen=shape_.reclength_;
if (!shape_.shp().is_eof())
{
long pos = shape_.shp().pos();
shape_.move_to(pos + 2 * reclen - 36);
}
else
{
return feature_ptr();
}
}
}
}
switch (type)
{
case shape_io::shape_polyline:
{
geometry2d * line = shape_.read_polyline();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinem:
{
geometry2d * line = shape_.read_polylinem();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinez:
{
geometry2d * line = shape_.read_polylinez();
feature->add_geometry(line);
++count_;
break;
switch (type)
{
case shape_io::shape_multipoint:
case shape_io::shape_multipointm:
case shape_io::shape_multipointz:
{
int num_points = shape_.shp().read_ndr_integer();
for (int i=0; i< num_points;++i)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
}
// ignore m and z for now
++count_;
break;
}
case shape_io::shape_polyline:
{
geometry2d * line = shape_.read_polyline();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinem:
{
geometry2d * line = shape_.read_polylinem();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinez:
{
geometry2d * line = shape_.read_polylinez();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polygon:
{
geometry2d * poly = shape_.read_polygon();
feature->add_geometry(poly);
++count_;
break;
geometry2d * poly = shape_.read_polygon();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_polygonm:
{
geometry2d * poly = shape_.read_polygonm();
feature->add_geometry(poly);
++count_;
break;
geometry2d * poly = shape_.read_polygonm();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_polygonz:
{
geometry2d * poly = shape_.read_polygonz();
feature->add_geometry(poly);
++count_;
break;
geometry2d * poly = shape_.read_polygonz();
feature->add_geometry(poly);
++count_;
break;
}
}
}
if (attr_ids_.size())
{
shape_.dbf().move_to(shape_.id_);
std::vector<int>::const_iterator pos=attr_ids_.begin();
std::vector<int>::const_iterator end=attr_ids_.end();
}
}
if (attr_ids_.size())
{
shape_.dbf().move_to(shape_.id_);
std::vector<int>::const_iterator pos=attr_ids_.begin();
std::vector<int>::const_iterator end=attr_ids_.end();
while (pos!=end)
{
try
{
shape_.dbf().add_attribute(*pos,*tr_,*feature);//TODO optimize!!!
}
catch (...)
{
std::clog << "error processing attributes " << std::endl;
}
++pos;
}
}
return feature;
}
else
{
while (pos!=end)
{
try
{
shape_.dbf().add_attribute(*pos,*tr_,*feature);//TODO optimize!!!
}
catch (...)
{
std::clog << "error processing attributes " << std::endl;
}
++pos;
}
}
return feature;
}
else
{
#ifdef MAPNIK_DEBUG
std::clog<<" total shapes read="<<count_<<"\n";
std::clog<<" total shapes read="<<count_<<"\n";
#endif
return feature_ptr();
}
return feature_ptr();
}
}

View file

@ -48,8 +48,8 @@ shape_index_featureset<filterT>::shape_index_featureset(const filterT& filter,
stream<mapped_file_source> file(shape_file + ".index");
if (file)
{
shp_index<filterT,stream<mapped_file_source> >::query(filter,file,ids_);
file.close();
shp_index<filterT,stream<mapped_file_source> >::query(filter,file,ids_);
file.close();
}
std::sort(ids_.begin(),ids_.end());
@ -78,18 +78,17 @@ shape_index_featureset<filterT>::shape_index_featureset(const filterT& filter,
template <typename filterT>
feature_ptr shape_index_featureset<filterT>::next()
{
using mapnik::feature_factory;
using mapnik::point_impl;
if (itr_!=ids_.end())
using mapnik::feature_factory;
using mapnik::point_impl;
if (itr_!=ids_.end())
{
int pos=*itr_++;
shape_.move_to(pos);
int type=shape_.type();
feature_ptr feature(feature_factory::create(shape_.id_));
if (type==shape_io::shape_point)
{
if (type == shape_io::shape_point)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
geometry2d * point = new point_impl;
@ -97,11 +96,12 @@ feature_ptr shape_index_featureset<filterT>::next()
feature->add_geometry(point);
++count_;
}
else if (type == shape_io::shape_pointm)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
shape_.shp().read_double();// m
shape_.shp().skip(8);// skip m
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
@ -111,8 +111,7 @@ feature_ptr shape_index_featureset<filterT>::next()
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
shape_.shp().read_double();// z
shape_.shp().read_double();// m
shape_.shp().skip(8*2); // skip m,z
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
@ -121,7 +120,7 @@ feature_ptr shape_index_featureset<filterT>::next()
else
{
while(!filter_.pass(shape_.current_extent()) &&
itr_!=ids_.end())
itr_!=ids_.end())
{
pos=*itr_++;
shape_.move_to(pos);
@ -129,49 +128,65 @@ feature_ptr shape_index_featureset<filterT>::next()
switch (type)
{
case shape_io::shape_polyline:
{
geometry2d * line = shape_.read_polyline();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinem:
{
geometry2d * line = shape_.read_polylinem();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinez:
{
geometry2d * line = shape_.read_polylinez();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polygon:
{
geometry2d * poly = shape_.read_polygon();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_polygonm:
{
geometry2d * poly = shape_.read_polygonm();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_polygonz:
{
geometry2d * poly = shape_.read_polygonz();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_multipoint:
case shape_io::shape_multipointm:
case shape_io::shape_multipointz:
{
int num_points = shape_.shp().read_ndr_integer();
for (int i=0; i< num_points;++i)
{
double x=shape_.shp().read_double();
double y=shape_.shp().read_double();
geometry2d * point = new point_impl;
point->move_to(x,y);
feature->add_geometry(point);
}
// ignore m and z for now
++count_;
break;
}
case shape_io::shape_polyline:
{
geometry2d * line = shape_.read_polyline();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinem:
{
geometry2d * line = shape_.read_polylinem();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polylinez:
{
geometry2d * line = shape_.read_polylinez();
feature->add_geometry(line);
++count_;
break;
}
case shape_io::shape_polygon:
{
geometry2d * poly = shape_.read_polygon();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_polygonm:
{
geometry2d * poly = shape_.read_polygonm();
feature->add_geometry(poly);
++count_;
break;
}
case shape_io::shape_polygonz:
{
geometry2d * poly = shape_.read_polygonz();
feature->add_geometry(poly);
++count_;
break;
}
}
}
if (attr_ids_.size())