Tag Archives: Geoprocessing

Clipping overlapping polygons on the same layer

Sometimes we can have a layer where we have overlapping polygons, and we need to clip one of them so that there is no overlap (for example a large parcel with an internal parcel, where we really have the polygon … Continue reading

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How to convert a line layer into equispaced points layer

Sometimes we need to convert a line layer into equispaced points layer, that is, points that are separated by a certain distance from each other. This type of layers can be generated almost immediately thanks to a geoprocess in gvSIG … Continue reading

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How to calculate the Euclidean distance from many elements to an origin

In certain occasions we need to calculate the distances from a series of elements to another one that we will call ‘origin’. The Euclidean distance geoprocess available in gvSIG Desktop allows us to do it automatically. And, from there, we … Continue reading

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From points to polygons. How to calculate population by block

In some projects that we have carried out we have had to represent the population by block. We had this population as street and number, in a point layer (very common in the census of inhabitants of any municipality). In … Continue reading

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Towards gvSIG 2.5: New geoprocess, Aoristic Clock by grid

In previous posts we spoke (Aoristic clock, Ring map and Grid by point density) about a series of geoprocesses related to criminology made together with Jaume I University (UJI). These geoprocesses can be used in different sectors, not exclusively related … Continue reading

Posted in english, gvSIG Crime, gvSIG Desktop | Tagged , , , , | 3 Comments

Towards gvSIG 2.5: New geoprocess, Aoristic Clock

In previous posts we spoke (Ring map and Grid by point density) about a series of geoprocesses related to criminology made together with Jaume I University (UJI). These geoprocesses can be used in different sectors, not exclusively related to criminology. … Continue reading

Posted in english, gvSIG Crime, gvSIG Desktop | Tagged , , , , | 4 Comments

Coordinate capture tool utilities in gvSIG

In certain gvSIG tools it is necessary to enter coordinates as input parameters. For example in graphical editing, in geoprocessing (Visibility and lighting geoprocesses such as “Visibility” or “Line of sight”, or some tools for hydrological analysis such as “Flow … Continue reading

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Towards gvSIG 2.5: New geoprocess, Grid by point density

In the previous post we talked about a series of geoprocesses related to criminology made together with Jaume I University (UJI). These geoprocesses can be used in different fields, not exclusively in criminology. Now we are going to show the … Continue reading

Posted in english, gvSIG Crime, gvSIG Desktop | Tagged , , | 4 Comments

Towards gvSIG 2.5: New geoprocess, Ring map

In the last gvSIG Conferences we talked about a series of geoprocess created for criminology developed with Universidad Jaume I (UJI). You can see the video here (in spanish, if you have any question you can write directly to us … Continue reading

Posted in english, gvSIG Crime, gvSIG Desktop | Tagged | 5 Comments

Towards gvSIG 2.5: Improvements at geoprocessing framework

The gvSIG Desktop 2.5 version, that you can test with the new distribution candidate to final version, includes a series of improvements in the geoprocess framework that we explain below.  Visual improvements Now when opening the geoprocessing toolbox, you can … Continue reading

Posted in english, gvSIG Desktop, testing | Tagged | 3 Comments