Question & Answer

The Question & Answer (Q&A) resource offers a way to communicate, seek, and share answers to general "how-to" questions with other TatukGIS product users. All users are welcome to contribute. Product related technical questions, bugs reports, etc., however, should be addressed to support@tatukgis.com.
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Is there a functiion that can convert TColor to TGIS_Color?  I am using a color picker to allow my users to set the Marker color. Thanks  
Published on March 05, 2021 by Crag Cox
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I am migrating my Delphi app that used DK10 to DK11 and want to store individual maps as Project file settings in the newer XML style in a database.  The ini settings for each layer that is added to the viewer are queried from database tables in the oder ini styles.  They load as expected, but when I save th...
Published on February 28, 2021 by Crag Cox
3
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I am using the procedure below to delete a layer from the ControlLegend.  In DK10 the Legend responded immediately; however in DK11, the legend does not respond unless I make some other change, like maximizing the Form, or changing the scale of the Viewer.  How do I get it to respond as soon as the procdure ...
Published on February 18, 2021 by Crag Cox
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How do I present Lat Long in a statusbar when using U.S. State Plane coordinate systems? Right now I am able to present the X and Y with statusBar1.Panels[1].Text := Format( 'X : %.4f | Y : %.4f', [ptg.X, ptg.Y] ) ; I would like to also present Lat Long in statusBar1.Panels[2].Text := .......... ; 
Published on February 14, 2021 by Crag Cox
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I am trying to use symbols to show the position and azimuth of photographs taken at a site.  I am approaching it by importing them as a single layer, with each photo as a separate section that assigns the roation.  Many of the photos are taken from the same X,Y position with the azimuth changing between shot...
Published on January 09, 2021 by Crag Cox
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DK 11, VCL I want to save the project file from my Delphi app to a stringlist that can then be stored in a database field.  I can sort out the SQL.   Do you have any suggestions on an approach get SaveProject, or SaveProjectAs to save to a TStringList variable without the need for a path? Thanks    
Published on January 04, 2021 by Crag Cox
3
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Hi, I have a question about dk 11 migration... Can I acess the canvas object inside PaintShapeEvent /label event? I see the canvas inside PaintEventArgs, but not inside TGIS_ShapeEventArgs... and I'm using shape events to provide custom render. Best regards!
Published on November 05, 2020 by EltS
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I'm running into an issue when trying to modify the sample "SelectByShape" If I make a selection I want to remove the selection circle but I can't seem to figure out how that is done. When you select a new circle the old one is removed and it looked like getting the 'Buffers' layer and then reverting shape...
Published on November 09, 2020 by BerF
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I have a XML file containing some GLM elements in a specific GML format ( NEN3610). It is not a GML "map" file but a interchange XML-file with som GML elements:90566 394134 90566 394192 90634 394192 90634 394134 90566 394134          Hoe can I extract these elements to a tgis_vectorlayer ?  Do I explicitly n...
Published on October 22, 2020 by Willem Schnitger
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Layers can be setup to be shown at certain scales. The layers is however always active in the legend. So how can I ask if data of a layer is visible/drawn at a certain scale? I would like to know something like: l_shape.VisibleAtScale(GIS.Scale) or l_shape.VisibleAtScale('1:500') or on layer level l_v...
Published on October 05, 2020 by Danv
1
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