Re: [GRASS-user] creating network only input points
hi, thanks for answering to create the network I have a layer of segments and other points, I say put the points in a different and so is entering, so I worry that the network is not exclusively think my point :S , you suggest. I use this instruction that in grass gis 65 svn *v.net in=lines points=nodes alayer=lines nlayer=points out=network* thanks for your help Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] creating network only input points
hello. how to create a network so that nodes are only the input points , as this grass gis adding nodes that make noise in my calculations, as are the beginning and end of each line and points outside the same network, this to be, and how I can make a network with my real points only. I am using grass gis 65 svn in ubuntu linux of 64 bit Thanks for your answers Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] v.in.ogr and g.region trouble coordenate
hello. how to make g.region and v.in.ogr use the same projection that an incoming file. since at run-d g.region v.in.ogr and maintaining the coordinates but not the coordinate system, given the same coordinate system of the lease, what should I do to keep your incoming file coordinate system . thanks for your help and attention Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
Re: [GRASS-user] v.in.ogr and g.region trouble coordenate
hi, thanks for answering I understand your answer but if my location has an arbitrary coordinate system, there will be no way to keep the coordinate system of the incoming file Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] v.in.ogr and g.region trouble coodinate system
hi all, I have a problem with g.region, since by using v.in.ogr, get the coordinates but leaves the geographic projection and the projection of the files is a flat projection. how to maintain not only the coordinates only, but also the coordinate system?. thanks for your attention and help Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] spgrass trouble in rpy and rpy2
hi all, I have problems with loading package in rpy2 in python, I get the following errors. would have to do so you can load these package. SPGRASS6 in Rpy2 Traceback (most recent call last): File /usr/local/lib/python2.6/dist-packages/pywps/Wps/Execute.py, line 560, in executeProcess processError = self.process.execute() File /usr/local/lib/python2.6/dist-packages/pywps/processes/centralidad.py, line 126, in execute ) File /usr/lib/python2.6/dist-packages/rpy2/robjects/__init__.py, line 536, in __call__ res = self.eval(p) File /usr/lib/python2.6/dist-packages/rpy2/robjects/__init__.py, line 423, in __call__ res = super(RFunction, self).__call__(*new_args, **new_kwargs) RRuntimeError: Error in library(spgrass6) : there is no package called 'spgrass6' Error in library(spgrass6) : there is no package called 'spgrass6' thanks for your help and time Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] custom reports
hi all, how I can create my own reports, for example, if I have v.net.centrality which creates 4 new attributes, as I can get a report with the results of this calculation in an orderly manner and that the report has a header as desire, you can create pdf directly, but as I can do it in plain text. tahnks for your help and time Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] location for temporal files
hi all, how I can create a temporary location for maps so that everything is calculated using the coordinate system which are the base files. ideas? thank you all for your time and help Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] OBDC connection with postgresql in ubuntu 10.04 64 bits
hi all, how I can create ODBC connections with postgresql in Ubuntu 10.04 of 64 bits, since the ODBC plugin for postgresql is very different from what is documented to someone already done, I could explain it. thank you all for your time and help Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] matrices of distances in attribute tables
hi all, is there any way to insert the results of the distance matrix v.distances-pa in the database attribute points, but not in a single column but a table and each column would be the distance from one point to the other, additionally also like to add the result of shortestpath pars for all in the same way, but in the same order as if a distance matrix. this is to compare how easy or difficult is it to travel from one point to another. thanks for your answers Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] bug in v.net
hello all, I found a bug in the script v.net creates more nodes to be created, for example using the Gisdemo_ncspm mapaset creating a network between the layer of streets and schools in this mapaset schools are 169, but the resulting network appears with 49 746 nodes this is a mistake recording advised me to correct it or what version of GRASS GIS is in good condition and has the scripts of centrality and short cuts for all couples thanks for the support and help Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] v.net error
hello, I have a question about the command v.net think that is creating additional nodes that are not related to the network, for example if they enter 36 points out 136 nodes, but there are 100 nodes that are fabricated and has nothing to do with the original or network, someone had this same error as I can correct it, I use the svn version 6.5 of Grass gis thanks for the help Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] rpy proceses
Hello everyone I have a question I can suggest tutorials or manuals that explain how to work rpy and grass at the same time. thanks for the help and attention Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] work with wfs layer
Hello everyone I have a question you can work in grass gis directly with wfs layers or intermediaries such as oswlib necessary. thanks for the help and attention Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] attributes in networks
hello all, I have a problem with the command v.net.path v.net and how you can add attributes to the network or as the network can be created with the attributes of the points and segments. thanks for your answers I worked with Grass Gis 6.5svn Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] creating new attributes
hello all, I tried to make calculations between attributes and insert the results in new columns, in vector files, but can not find an easy way to do also is very difficult to edit or delete an attribute not know if I'm doing something wrong or is it something program, which surprises me the level of complication that occurs to be a chore, been reviewing the documentation, but can not find anything about it, but routine suggested for this sql based standard of Grass gis. thanks for your answers PS: I use the svn version 6.5 Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] attributes operations in a network
hello all, I have a question which is the best way to perform operations on the attributes of a network and add the results to the layer of network points such distances and other things. thanks for your answers Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] huff model
hello all, saw some of you to know if there is any implementation of huff model for grass gis or failing that a script on it in Open Source software arcgis but I do not want to work with such libraries. thanks for your answers Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] surface cost
hello all, I have a question that can be evaluated as sustainable urban accessibility of a zone map go through friction, but the only difference to the examples in the book that the analysis I want to do is not over in many respects an attractive location but several points of interest between themselves, to facilitate the compression of what I want to analyze the connection (and accessibility) among various warehouses or schools, both topologically (factor map distance matrix) as the gravitational level ( huff model), which commands do you recommend for this type of process. code more than I would like to hear experiences and suggestions on this topic thanks for your attention, time and answers ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] help(r.walk and r.cost and ogr)
hello all, I'm developing a pywps geoprocess in calculating accessibility, I saw a command called r.walk and r.cost not how viable is to use my project as: composite, I would like to share their experiences with these commands, downside is that the input data are vector network ogr I recommend to process attributes to network with their raster, or that would be the most appropriate to make these calculations, I just need a basic procedure thanks for your answers and suggestions Ricardo Rodríguez Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] isolines and kml files interpolation
hello all, a question, points are interpolated by any method in kml and get a new file with interpolation or isolines in kml, thanks for your answers Ricardo Rodríguez Ing. Topográfico Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] help(temporal tables)
hello a question, on grass you can work directly with databases that hold temporary tables, plus there is any way to add new attributes to the same tables. thanks for any response Ricardo Rodríguez Ing. Topográfico Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
[GRASS-user] help(ordering attributes in various matrices)
hi all, I need some help with a script I'm doing if it's not possible to order the attributes of a road network in matrix form as having ordered the item id of the segments, as shown below (id) 0 1 2 3 4 5 6 7 8 9 0 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 1 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 2 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 3 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 4 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 5 t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 thanks for your answers Ricardo Rodríguez Ing. Topográfico Univalle ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user