Hello, If documentation is not uptodate you can either send a PR or create an issue with some text and information (where? what?).
More information you give, easier and better it is for us. Y. On Thursday, October 23, 2014 8:21:03 Rahkonen Jukka wrote: > Hi, > > Fine, I could make is work with this knowledge. Is it so that the only > documentation right now is in the RFC and main documentation page > http://mapserver.org/documentation.html does not know about dynamic > heatmaps yet? Might be worth having an own entry in the Output section. > > I was trying to normalize my source data. There seems to be some limited > possibilities for doing that with source layer and kerneldensity layer: - > In source LAYER the attribute to be used for weighting can be selected with > "STYLE SIZE [attribute] END. The [attribute] is selected as it stands and > no expressions can be used in STYLE - SIZE - In the kerneldensity LAYER " > processing "KERNELDENSITY_NORMALIZATION" can be used for normalizing data > by a multiplication factor. - For more advanced normalization it must be > done in the data because for example expression [POPULATION]/[AREA] can't > be resolved on-the-fly because expressions are not supported in STYLE - > SIZE. > > Have I understood right? With some sources of the point layer data there > could perhaps be a workaround by computing new field on-the-fly inside > LAYER - DATA: "select geometry, population/area as popar from source" and > by using then "popar" as size attribute. I made some trials with > connnectiontype OGR but it was not trivial to make my selection to work > from a shapefile. > > -Jukka Rahkonen- > > thomas bonfort wrote: > > Jukka, > > All the functionality is tested in msautotest, the KERNELDENSITY_ATTRIBUTE > > is an error is the RFC. To use an attribute use STYLE SIZE [attribute] > > END in your linked vector layer. > > > > -- > > thomas > > > > On 23 October 2014 06:55, Rahkonen Jukka (Tike) > > > > <jukka.rahko...@mmmtike.fi> wrote: > > > Hi, > > > > > > I have tried to use attribute based weights in heatmaps as in RFC 108 > > > example http://mapserver.org/development/rfc/ms-rfc-108.html > > > processing "KERNELDENSITY_ATTRIBUTE=POP2010" > > > > > > However, this processing option does not seem to have any affect. It is > > > not > > > > used in the MS autotest mapfile and I wonder if it has been implemented at > > all yet. Does somebody know? > > > > > -Jukka Rahkonen- > > > _______________________________________________ > > > mapserver-users mailing list > > > mapserver-users@lists.osgeo.org > > > http://lists.osgeo.org/mailman/listinfo/mapserver-users > > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/mapserver-users -- Responsable Formation et Support Camptocamp France SAS Savoie Technolac, BP 352 73377 Le Bourget du Lac, Cedex Tel (France) : +33 4 79 26 57 98 Tel (Suisse) : 021 619 10 43 Mob. : +33 6 18 75 42 21 Fax : 04 79 70 15 81 Mail : yves.jaco...@camptocamp.com http://www.camptocamp.com _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
