New Post: No ideas about Geoprocessing usage?
Ok. So it looks like the geoprocessing functions really don't work correctly. In a typical GIS system, one can perform a Difference operation on a polyline shapefile and a polygon shapefile. I do this...
View ArticleNew Post: [How-to] Colorize individual shapes
thank you, these new methods are very usefull for me. I've been looking this for weeks. I am new for MapWinGis and VB.Net. Now I'm working on final project. This project is about vulnerability areas to...
View ArticleNew Post: No ideas about Geoprocessing usage?
Did you try to clip option? You should be able to clip the roads with your polygons. Here's the documentation:...
View ArticleNew Post: [How-to] Colorize individual shapes
You can join your mdb with your shapefile and create categories based on fields of the joined table. I justed show these methods are so new the documentation isn't up-to-date yet, but you can see an...
View ArticleNew Post: No ideas about Geoprocessing usage?
I sure did, which is even more odd. The Difference operation works, but produces an inaccurate result. However, the Clip operation fails entirely, as does the Intersect. They both fail no matter what...
View ArticleNew Post: [How-to] Colorize individual shapes
thx for your suggestion, Paul. I don't know where to find it on your link. I still dont understand how to make it. Can you show me an example, please? -winid-
View ArticleNew Post: No ideas about Geoprocessing usage?
Just as a follow up, I converted the road polylines into polygons by using the BufferByDistance method. I thought that this might be an alternative since the Clip method was having problems with a...
View ArticleNew Post: Missing method in Shapefile interface : EditAddShape()
The MapWinGIS API lists a method called Shapefile.EditAddShape(shape). However, the method does not appear in the actual COM interface of MapWinGIS. Any invocation of this method results in a COM error...
View ArticleNew Post: Missing method in Shapefile interface : EditAddShape()
In MapWinGis 4.8.6 I have EditAddShape availableMaurits
View ArticleNew Post: Missing method in Shapefile interface : EditAddShape()
You could use EditInsertShape
View ArticleNew Post: ShapeFile.NumShapes returns incorrect value
Another odd behavior - a shapefile that displays in the MapWin viewport returns 1 when the property Shapefile.NumShapes is accessed. Needless to say, it has more than 1 polygon. However, another...
View ArticleNew Post: ShapeFile.NumShapes returns incorrect value
Ok....I just did a test and I verified that it is a multipart geometry problem. The Shapefile class is providing the correct number of shapes. In this particular case, it is one feature (shape) that...
View ArticleNew Post: No ideas about Geoprocessing usage?
Ok....I just did a test and I verified that it is a multipart geometry problem. The Shapefile class is providing the correct number of shapes. In this particular case, it is one feature (shape) that...
View ArticleNew Post: No ideas about Geoprocessing usage?
Thanks for the follow ups. Can you share your data so I can reproduce and we can try to make a fix? You can send it to bontepaarden[AT]gmail[D0T]com Thanks, Paul
View ArticleNew Post: MapWinGIS - Shapefile Correct in viewport / not correct after...
After performing a Shapefile.Clip or Shapefile.Difference operation, the results shown in the viewport are correct. However, after saving the file and re-opening it, the results are different. This is...
View ArticleNew Post: How to cite MapWinGIS in academic paper.
I'm writing a paper describing an application I've made that uses MapWinGIS. I've looked in a few areas of the documentation with no luck. Is there a prefered citation to include to give credit for...
View ArticleNew Post: online base maps (like OSM)
Hello, I would like to use MapWinGIS control in my VB application to plot sampling points on a map. I was trying to add tiles from online map providers using this code...
View ArticleNew Post: How to cite MapWinGIS in academic paper.
We don't have a preferred citation. Please make a nice one and we can add it to the documentation page and mark yours as the future preferred citation. Paul
View ArticleNew Post: MapWinGIS - Shapefile Correct in viewport / not correct after...
As mentioned before I really like to have one of your shapefiles that is causing these problems. We did not have issues with multipart shapefiles before and without your data it is difficult to...
View ArticleNew Post: MapWinGIS - Shapefile Correct in viewport / not correct after...
Paul, I sent the files to you today. Thanks!
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