<div dir="ltr"><div><div><div><div><div><div></div><div>How to update map region using C to get to the next resolution?<br><br></div></div>I have a raster map where I loop over data using Rast_get_row() and friends.<br></div>Later I draw these pixels on a screen. Now to get a zoom functionality, I need to update region settings and then redraw the pixels.<br></div>This is where I need some help. <br></div><div><br></div><div>Rast_get_window(&window)<br><br></div>How to perform an update of "window" to move to next zoom level ?. <br><br></div><div>I had looked code in <br>gui/wxpython/core/render.py <br>gui/wxpython/mapwin/buffered.py<br></div><div><br></div><div>Hope someone with experience in wxgui rendering could help me in this case.<br></div><div><br></div><div>Thank you in advance for help.<br></div><div><div><div><div><div><div><div><div><div><br><div><div><div><div><div>-- <br><div class="gmail-m_-5732234907669766373gmail_signature"><div><font face="arial, helvetica, sans-serif">Regards,<br> Rashad</font></div></div>
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